Protein C zymogen in adults with severe sepsis or septic shock

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Discrimination for Simplified Acute Physiology Score 3 model tested using the area under the Receiver Operating Characteristics curve (ROC area)." ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "C. López-Caler, M. García-Delgado, J. Carpio-Sanz, J. Álvarez-Rodríguez, E. Aguilar-Alonso, E. Castillo-Lorente, J.E. Barrueco-Francioni, R. Rivera-Fernández" "autores" => array:8 [ 0 => array:2 [ "nombre" => "C." "apellidos" => "López-Caler" ] 1 => array:2 [ "nombre" => "M." "apellidos" => "García-Delgado" ] 2 => array:2 [ "nombre" => "J." "apellidos" => "Carpio-Sanz" ] 3 => array:2 [ "nombre" => "J." "apellidos" => "Álvarez-Rodríguez" ] 4 => array:2 [ "nombre" => "E." "apellidos" => "Aguilar-Alonso" ] 5 => array:2 [ "nombre" => "E." "apellidos" => "Castillo-Lorente" ] 6 => array:2 [ "nombre" => "J.E." "apellidos" => "Barrueco-Francioni" ] 7 => array:2 [ "nombre" => "R." "apellidos" => "Rivera-Fernández" ] ] ] ] ] "idiomaDefecto" => "en" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S2173572714000393?idApp=WMIE" "url" => "/21735727/0000003800000005/v1_201406130020/S2173572714000393/v1_201406130020/en/main.assets" ] "itemAnterior" => array:19 [ "pii" => "S2173572714000332" "issn" => "21735727" "doi" => "10.1016/j.medine.2013.04.003" "estado" => "S300" "fechaPublicacion" => "2014-06-01" "aid" => "596" "copyright" => "Elsevier España, S.L. and SEMICYUC" "documento" => "article" "crossmark" => 0 "subdocumento" => "fla" "cita" => "Med Intensiva. 2014;38:271-7" "abierto" => array:3 [ "ES" => true "ES2" => true "LATM" => true ] "gratuito" => true "lecturas" => array:2 [ "total" => 3804 "formatos" => array:3 [ "EPUB" => 172 "HTML" => 2758 "PDF" => 874 ] ] "en" => array:13 [ "idiomaDefecto" => true "cabecera" => "Original" "titulo" => "Acute renal failure according to the RIFLE and AKIN criteria: A multicenter study" "tienePdf" => "en" "tieneTextoCompleto" => "en" "tieneResumen" => array:2 [ 0 => "en" 1 => "es" ] "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "271" "paginaFinal" => "277" ] ] "titulosAlternativos" => array:1 [ "es" => array:1 [ "titulo" => "Insuficiencia renal aguda según RIFLE y AKIN: estudio multicéntrico" ] ] "contieneResumen" => array:2 [ "en" => true "es" => true ] "contieneTextoCompleto" => array:1 [ "en" => true ] "contienePdf" => array:1 [ "en" => true ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:7 [ "identificador" => "fig0005" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 971 "Ancho" => 1547 "Tamanyo" => 70390 ] ] "descripcion" => array:1 [ "en" => "Acute renal failure according to the AKIN and RIFLE classifications, and both classifications jointly." ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "G. Salgado, M. Landa, D. Masevicius, S. Gianassi, J.E. San-Román, L. Silva, M. Gimenez, O. Tejerina, P. Díaz-Cisneros, F. Ciccioli, J.L. do Pico" "autores" => array:11 [ 0 => array:2 [ "nombre" => "G." "apellidos" => "Salgado" ] 1 => array:2 [ "nombre" => "M." "apellidos" => "Landa" ] 2 => array:2 [ "nombre" => "D." "apellidos" => "Masevicius" ] 3 => array:2 [ "nombre" => "S." "apellidos" => "Gianassi" ] 4 => array:2 [ "nombre" => "J.E." "apellidos" => "San-Román" ] 5 => array:2 [ "nombre" => "L." "apellidos" => "Silva" ] 6 => array:2 [ "nombre" => "M." "apellidos" => "Gimenez" ] 7 => array:2 [ "nombre" => "O." "apellidos" => "Tejerina" ] 8 => array:2 [ "nombre" => "P." "apellidos" => "Díaz-Cisneros" ] 9 => array:2 [ "nombre" => "F." "apellidos" => "Ciccioli" ] 10 => array:2 [ "nombre" => "J.L." "apellidos" => "do Pico" ] ] ] ] ] "idiomaDefecto" => "en" "Traduccion" => array:1 [ "es" => array:9 [ "pii" => "S0210569113001083" "doi" => "10.1016/j.medin.2013.04.007" "estado" => "S300" "subdocumento" => "" "abierto" => array:3 [ "ES" => true "ES2" => true "LATM" => true ] "gratuito" => true "lecturas" => array:1 [ "total" => 0 ] "idiomaDefecto" => "es" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S0210569113001083?idApp=WMIE" ] ] "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S2173572714000332?idApp=WMIE" "url" => "/21735727/0000003800000005/v1_201406130020/S2173572714000332/v1_201406130020/en/main.assets" ] "en" => array:19 [ "idiomaDefecto" => true "cabecera" => "Original" "titulo" => "Protein C zymogen in adults with severe sepsis or septic shock" "tieneTextoCompleto" => true "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "278" "paginaFinal" => "282" ] ] "autores" => array:1 [ 0 => array:4 [ "autoresLista" => "M. Crivellari, S. Silvetti, C. Gerli, G. Landoni, A. Franco, T. Bove, F. Pappalardo, A. Zangrillo" "autores" => array:8 [ 0 => array:2 [ "nombre" => "M." "apellidos" => "Crivellari" ] 1 => array:2 [ "nombre" => "S." "apellidos" => "Silvetti" ] 2 => array:2 [ "nombre" => "C." "apellidos" => "Gerli" ] 3 => array:4 [ "nombre" => "G." "apellidos" => "Landoni" "email" => array:1 [ 0 => "landoni.giovanni@hsr.it" ] "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "¿" "identificador" => "cor0005" ] ] ] 4 => array:2 [ "nombre" => "A." "apellidos" => "Franco" ] 5 => array:2 [ "nombre" => "T." "apellidos" => "Bove" ] 6 => array:2 [ "nombre" => "F." "apellidos" => "Pappalardo" ] 7 => array:2 [ "nombre" => "A." "apellidos" => "Zangrillo" ] ] "afiliaciones" => array:1 [ 0 => array:2 [ "entidad" => "Department of Anesthesia and Intensive Care, San Raffaele Scientific Institute, Milano, Italy" "identificador" => "aff0005" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor0005" "etiqueta" => "⁎" "correspondencia" => "Corresponding author." ] ] ] ] "titulosAlternativos" => array:1 [ "es" => array:1 [ "titulo" => "Zimógeno de proteína C en adultos con sepsis grave o choque séptico" ] ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:7 [ "identificador" => "fig0005" "etiqueta" => "Fig. 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 873 "Ancho" => 1442 "Tamanyo" => 78669 ] ] "descripcion" => array:1 [ "en" => "Trend of protein C zymogen during the 72h of administration." ] ] ] "textoCompleto" => "IntroductionSevere sepsis and septic shock are life-threatening medical emergencies and are among the most significant challenges in critical care. Mortality rates approach 30–50%, and can be as high as 90% when multiple organ dysfunctions ensue.<a class="elsevierStyleCrossRefs" href="#bib0005">1,2</a> Improvement in survival rates was achieved through early broad-spectrum antibiotic administration, organ supportive therapy, and, until recently, through Recombinant Human Activated Protein C (rhAPC) in selected patients at low risk of bleeding. A recent randomized study showed that rhAPC did not significantly reduce mortality at 28 or 90 days, as compared with placebo, in patients with septic shock.<a class="elsevierStyleCrossRef" href="#bib0015">3</a>Protein C (PC) is the vitamin K-dependent zymogen of a serine protease with antithrombotic, anti-inflammatory, and profibrinolytic properties.<a class="elsevierStyleCrossRef" href="#bib0020">4</a> Due to its action on the coagulation pathway, rhAPC, the active form of drug, exposes treated patients to a serious hemorrhagic risk<a class="elsevierStyleCrossRefs" href="#bib0025">5–8</a> and its administration was subject to careful evaluation of the risk-to-benefit ratio. Attempts were made to use protein C zymogen, its “inactive” precursor, endowed with anti-inflammatory activity but devoid of anticoagulant properties. Among its advantages, PC is activated “on demand” in sites of major thrombin formation, and this is expected to limit or eliminate unwanted bleeding.Few case series have been published on adult septic patients receiving protein C zymogen. We hereby describe the largest case series of adult patients with severe sepsis or septic shock receiving PC in a single center.Patients and methods, setting and study populationAfter ethical committee approval and with patients’ written consent, we collected data from 23 adult patients with severe sepsis or septic shock admitted to two intensive care units (ICU) of San Raffaele Scientific Institute over a 2-year period. Eleven of these 23 patients were already reported in other publications.<a class="elsevierStyleCrossRefs" href="#bib0045">9,10</a> Inclusion criteria were represented by age >18 years, diagnosis of severe sepsis (acute organ dysfunction secondary to documented or suspected infection) or septic shock (severe sepsis plus hypotension not reversed with fluid resuscitation) and two or more organ failures due to sepsis of recent onset (less than 48h); contraindication to receive rhAPC (recent major surgery in most patients); being admitted in the ICU. Exclusion criteria were represented by known allergy to the study product and inclusion in other studies.In addition to current standard-of-care therapies for severe sepsis and septic shock, patients received PC concentrates (Ceprotin®, Baxter, Wien) administered as a starting bolus (50IU/kg) plus a 3IU/kg/h continuous infusion over 72h.We measured plasma PC activity, prothrombin time (PT), activated partial thromboplastin time (aPTT), Platelets (PLTs), C-reactive protein (CRP), white cell count (WBC), D-dimer and fibrinogen (FG) values at baseline, at 6 and 12h after PC concentrate administration, then every 12h for 60h. The sequential organ assessment failure (SOFA) score, the Acute Physiology and Chronic Health Evaluation (APACHE II) score, and the simplified acute physiology score (SAPS II) were recorded at baseline (when patient received PC zymogen), daily for 7 days.Laboratory methodsSerial venous samples (4.5ml) were collected in siliconized Vacutainer tubes (Becton-Dickinson, Plymouth, UK) containing (0.5ml) tri-sodium citrate (0.129M) and in tubes containing 0.5ml of a mixture of tri-sodium citrate and benzamidine–HCl (200mM) at the following times: before the bolus dose, 6h after bolus and every 12h thereafter up to 72h. Within 1h from collection, platelet poor plasma was obtained by centrifugation for 10min at 2000×g at room temperature. PT (Hemoliance Recombiplastin, Instrumentation Laboratory, Lexington, MA), aPTT (STA aPTT Kaolin, Diagnostica Stago, Asnier sur Seine, France), FG (clotting assay, STA Fibrinogen, Stago), and D-dimer (STA Liatest D-D, Stago) determinations were performed on fresh citrated plasma samples with an automated coagulometer (STA, Stago). Plasma aliquots were snap-frozen with methanol and dry ice and stored at −70°C for additional measurements in citrated plasma of PC anticoagulant activity (STA Protein C, Stago), and antithrombin (amidolytic activity, STA Antithrombin, Stago). Blood samples collected in tri-sodium citrate and benzamidine–HCl were also centrifuged as described above with plasma aliquots snap-frozen and stored at −70°C. Within one month, prothrombin fragment 1+2 (F1+2, Enzygnost F1+2, Dade-Behring, Marburg) and thrombin-antithrombin III complex (TAT Enzygnost TAT micro, Dade-Behring, Marburg) were measured with commercially available ELISA kits.StatisticsCollected data were analyzed through repeated measure ANOVA, chi-square (χ2), and Friedman's test using SPSS® 13 statistical package (Chicago, Illinois). The Z-test for two proportions was employed to compare expected versus observed mortality. A p-value <0.05 was considered statistically significant.ResultsWe enrolled 23 consecutive patients with severe sepsis or septic shock. Twenty-one (91%) of them were surgical patients (18 cardiac surgery and one each for thoracic, vascular, urologic and abdominal surgery) and 1 patient presented to the emergency department with septic shock. Mean patient age was 63±12 years (range 25–77) and 4 (17%) were female.All patients showed signs of sepsis-induced multiorgan dysfunction syndrome: 22 patients had respiratory failure, 16 had acute renal failure requiring renal replacement therapy and 16 had pharmacological sedation. The average APACHE II was 25±5, mean SAPS II was 58±14, and mean SOFA score was 14±2. The timing from surgery (or ICU admission) to the first cultural sample was 5±4.7 days while the timing from surgery (or ICU admission) to PC administration was 7±5.1 days. Seventeen patients had single or multiple cultural examination (in 4 patients the germs were identified in multiple sites and in 6 patients more than one germ was identified). Blood culture (8 patients), bronchoalveolar lavage (10 patients) and urine culture (2 patients) were positive for the following germs: Staphylococcus spp. (7 patients), Escherichia coli (6 patients), Acinetobacter spp. (2 patients), Proteus, Serratia marcescens, Streptococcus spp., Enterobacter cloacae, Klebsiella pneumonia, Citrobacter and Pseudomonas aeruginosa.Baseline plasma PC activity was 33±18% [normal values 65–140%], and increased to 66±22% at 6h after PC bolus (p<0.001). Afterwards, it remained constantly within normal range values during PC concentrate continuous infusion and was 90±25% at 72h (p<0.001 to baseline) (<a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a>).<elsevierMultimedia ident="fig0005"></elsevierMultimedia>Changes in laboratory variables after protein C concentrate administration showed in <a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>. A significantly increasing of ATIII values from 49±15 to 81±19 was observed at 60h (p=0.04), FG and fibrin D-dimer showed a trend toward reduction and PLT count tended to increase from 130 (×109/l)±121 (×109/l) to 120 (×109/l)±140 (×109/l) during the 60h period.<elsevierMultimedia ident="tbl0005"></elsevierMultimedia>On the inflammatory viewpoint PCR values significantly decreased from 204±130.1 to 59±63.0 during 60h (p<0.01).We observed a rapid reduction of the SOFA (from 14±2 to 7±4, p<0.001) (<a class="elsevierStyleCrossRef" href="#fig0010">Fig. 2</a>), the SAPS II (from 58±14 to 37±12, p<0.001), and the APACHE II (from 25±5 to 14±6, p<0.001) scores at 7 days.<elsevierMultimedia ident="fig0010"></elsevierMultimedia>Septic shock mortality rates in the literature approach 60% and the expected mortality in our sample population was 53±17%. The Z-test for two proportions evidenced a significant reduction between the expected mortality (53%) and the observed mortality 30% (Z value=1.99, p=0.046). In fact, 7 patients of our sample died (30%), all of them by refractory shock. A post hoc analysis showed that the best results in terms of crude mortality were observed in the subgroup of 11 patients with a cardiac index ≥2.5L/min/m2. In that group, only 1 patient (9%) died (Z value=3.5, p=0.001).We observed two cases of hemorrhagic cystitis, respectively three days and two weeks after PC concentrate interruption. One case of bilateral jugular vein thrombosis was recorded as well. These phenomena could not be attributed to the drug administration. No bleeding complication was reported.DiscussionTo the best of our knowledge this is the largest case series ever reported on the use of PC zymogen. In this study we showed a favorable effects on coagulation, multiorgan function and survival in patients that received PC zymogen.PC levels increased from 33±18% to 66±22% [normal values 65–140%], at 6h after PC bolus (p<0.001), and kept on increasing during the 72h of administration (p<0.001 to baseline). Interestingly, all our patients had low baseline levels of PC. This finding is important because a low PC value is a strong predictor of unfavorable outcome<a class="elsevierStyleCrossRefs" href="#bib0055">11–14</a> and septic patients are associated with increased morbidity and mortality. Despite this baseline data we achieved a survival rate of 70%. Given the expected poor outcome on the basis of the score risks and our patients’ PC activity, the 70% survival rate may indicate that perhaps a beneficial drug effect on survival is present.In our patients PC levels increased at 6h after PC bolus and remained constant thereafter, furthermore ATIII levels significantly increased after drug administration.We also reported clinical benefit as documented by the significant reduction in the indices of organ dysfunction (the SOFA). Finally patient mortality was 30% versus the expected 53% and this difference was even more evident if only septic patients with cardiac index ≥2.5L/min/m2 were considered (mortality was 9%).Consistently with the findings of the largest adult case series (20 patients) published so far<a class="elsevierStyleCrossRef" href="#bib0075">15</a> we achieved normalization of coagulation parameters as a increasing of ATIII, as indicated by prompt raise of plasma PC activity within normal values, and a decreasing of PCR levels; an improvement of indices of organ dysfunction and a beneficial effect on patient survival. Similar findings were noted in our previously published case series that included 9 of these 23 patients.<a class="elsevierStyleCrossRef" href="#bib0045">9</a> A recent systematic review on all the published case reports and case series of adult septic patients receiving PC suggested that mortality rates are low when receiving this drug.<a class="elsevierStyleCrossRef" href="#bib0050">10</a>One interesting finding of our case series is that the beneficial effects on survival were more important in the patients with high cardiac output. The results of our study are important especially in view of the paucity of drugs, techniques or strategies that might reduce perioperative mortality in critically ill patients.<a class="elsevierStyleCrossRef" href="#bib0080">16</a>LimitationsAlthough this is the largest case series of adult patients receiving PC ever published in literature, the small sample size and the non randomized study design do not allow us to draw definitive conclusions on the beneficial effect of PC administration in severe sepsis or septic shock. Furthermore, we measured only PCR and not other inflammatory markers such as procalcitonin or interleukine-6. On top of this, we acknowledge that the diagnosis of sepsis after major surgery might be challenging and that SIRS without infection is to be taken into consideration. Lastly, in half of our patients sepsis was diagnosed in patients with ongoing LCOS, a condition that is frequent after cardiac surgery and that can further confound the clinical picture of these patients.ConclusionsThe favorable effects on coagulation, multiorgan function and survival suggest potential beneficial effects of PC concentrate on restoring homeostasis, at least as coagulation is concerned, and should raise interest in confirming our and others’ promising results through a randomized clinical trial or at least case match studies.Conflict of interestThe authors declare no conflicts of interest." "textoCompletoSecciones" => array:1 [ "secciones" => array:10 [ 0 => array:2 [ "identificador" => "xres345756" "titulo" => array:5 [ 0 => "Abstract" 1 => "Introduction" 2 => "Design, setting and participants" 3 => "Results" 4 => "Conclusion" ] ] 1 => array:2 [ "identificador" => "xpalclavsec327356" "titulo" => "Keywords" ] 2 => array:2 [ "identificador" => "xres345755" "titulo" => array:5 [ 0 => "Resumen" 1 => "Introducción" 2 => "Diseño, ámbito y participantes" 3 => "Resultados" 4 => "Conclusión" ] ] 3 => array:2 [ "identificador" => "xpalclavsec327357" "titulo" => "Palabras clave" ] 4 => array:2 [ "identificador" => "sec0005" "titulo" => "Introduction" ] 5 => array:3 [ "identificador" => "sec0010" "titulo" => "Patients and methods, setting and study population" "secciones" => array:2 [ 0 => array:2 [ "identificador" => "sec0015" "titulo" => "Laboratory methods" ] 1 => array:2 [ "identificador" => "sec0020" "titulo" => "Statistics" ] ] ] 6 => array:2 [ "identificador" => "sec0025" "titulo" => "Results" ] 7 => array:3 [ "identificador" => "sec0030" "titulo" => "Discussion" "secciones" => array:2 [ 0 => array:2 [ "identificador" => "sec0035" "titulo" => "Limitations" ] 1 => array:2 [ "identificador" => "sec0040" "titulo" => "Conclusions" ] ] ] 8 => array:2 [ "identificador" => "sec0045" "titulo" => "Conflict of interest" ] 9 => array:1 [ "titulo" => "References" ] ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "fechaRecibido" => "2012-11-20" "fechaAceptado" => "2013-04-21" "PalabrasClave" => array:2 [ "en" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Keywords" "identificador" => "xpalclavsec327356" "palabras" => array:5 [ 0 => "Protein C zymogen" 1 => "Bleeding" 2 => "Sepsis" 3 => "Intensive care" 4 => "Critical care" ] ] ] "es" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Palabras clave" "identificador" => "xpalclavsec327357" "palabras" => array:5 [ 0 => "Zimógeno de proteína C" 1 => "Hemorragia" 2 => "Sepsis" 3 => "Cuidados intensivos" 4 => "Cuidados críticos" ] ] ] ] "tieneResumen" => true "resumen" => array:2 [ "en" => array:2 [ "titulo" => "Abstract" "resumen" => "IntroductionActivated protein C is associated with a risk of bleeding and its effects on survival in septic shock patients are questionable. Protein C zymogen has no risk of bleeding and improves the outcome of patients with septic shock. We hereby describe the largest published case series of adult patients receiving protein C zymogen. Design, setting and participantsA prospective study on 23 adult patients with severe sepsis or septic shock, two or more organ failures and at high risk for bleeding, treated with protein C zymogen (50IU/kg bolus followed by continuous infusion of 3IU/kg/h for 72h). ResultsThe Z-test evidenced a significant reduction between the expected mortality (53%) and the observed mortality 30% (Z value=1.99, p=0.046) in our sample population. Protein C levels increased from 34±18% to 66±22% at 6h after PC bolus (p<0.001), and kept on increasing during 72h of administration (p<0.001 to baseline). Sequential Organ Failure Assessment (SOFA), score of organ dysfunction, decreased from baseline to 7 days after administration of protein C from 14±2 to 7±4 (p<0.001). No adverse event drug related was noted. ConclusionProtein C zymogen administration is safe and its use in septic patients should be investigated through a randomized controlled trial." ] "es" => array:2 [ "titulo" => "Resumen" "resumen" => "IntroducciónLa proteína C activada se asocia a un elevado riesgo de hemorragia, y sus efectos sobre la supervivencia en los pacientes con choque séptico son cuestionables. El zimógeno de proteína C no presenta ningún riesgo de hemorragia, y mejora los resultados en los pacientes con choque séptico. Describimos la serie de casos más amplia publicada de pacientes adultos tratados con zimógeno de proteína C. Diseño, ámbito y participantesSe ha llevado a cabo un estudio prospectivo en el que han participado 23 adultos con sepsis grave o choque séptico, 2 o más fallos orgánicos, y un elevado riesgo de hemorragia, tratados con zimógeno de proteína C (dosis en bolo de 50UI/kg seguida de una infusión continua de 3UI/kg/h durante 72h). ResultadosLa prueba Z puso de manifiesto una disminución significativa entre la mortalidad prevista (53%), y la mortalidad observada 30% (valor Z=1,99; p=0,046) en nuestra serie. Las concentraciones de proteína C incrementaron de 34±18% a 66±22% a las 6h de la dosis en bolo (p<0,001), y siguieron incrementando durante las 72h siguientes a la administración (p<0,001 respecto a la situación basal). La puntuación en la evaluación secuencial del fallo orgánico (SOFA) disminuyó entre la situación basal, y 7 días después de la administración de proteína C de 14±2 a 7±4 (p<0,001). No se registraron reacciones farmacológicas adversas. ConclusiónEl zimógeno de proteína Z debería investigarse su utilización en los pacientes con sepsis mediante un estudio aleatorizado y controlado." ] ] "multimedia" => array:3 [ 0 => array:7 [ "identificador" => "fig0005" "etiqueta" => "Fig. 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 873 "Ancho" => 1442 "Tamanyo" => 78669 ] ] "descripcion" => array:1 [ "en" => "Trend of protein C zymogen during the 72h of administration." ] ] 1 => array:7 [ "identificador" => "fig0010" "etiqueta" => "Fig. 2" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr2.jpeg" "Alto" => 707 "Ancho" => 1539 "Tamanyo" => 77708 ] ] "descripcion" => array:1 [ "en" => "Variation of Sequential Organ Failure Assessment (SOFA), score during and after protein C zymogen administration." ] ] 2 => array:7 [ "identificador" => "tbl0005" "etiqueta" => "Table 1" "tipo" => "MULTIMEDIATABLA" "mostrarFloat" => true "mostrarDisplay" => false "tabla" => array:1 [ "tablatextoimagen" => array:1 [ 0 => array:2 [ "tabla" => array:1 [ 0 => """ <table border="0" frame="\n \t\t\t\t\tvoid\n \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black"> \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">Before bolus \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">After 6h \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">12h \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">24h \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">36h \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">48h \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">60h \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">p value \t\t\t\t\t\t\n \t\t\t\t</td></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">aPTT (ratio) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">40±15.0 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">41±17.9 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">40±19.4 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">40±20.3 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">38±14.4 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">36±12.0 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">33±10.9 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.33 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">ATIII \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">49±14.9 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">66±19.2 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">66±26.5 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">56±21.2 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">67±23.2 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">72±13.5 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">81±18.7 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.04 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">D-dimer (mg/ml) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">6.0±5.73 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">5.6±5.92 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">5.0±6.19 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">6.2±6.38 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">4.4±2.90 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">6.1±1.47 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">5.2±2.37 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.46 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">FG (mg/dl) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">550±163.7 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">526±204.6 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">626±209.2 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">672±116.1 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">717±120.7 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">674±137.0 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">654±134.0 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.62 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">INR \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1.5±0.6 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1.5±0.6 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1.5±0.7 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1.4±0.4 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1.3±0.3 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1.3±0.3 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1.2±0.2 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.08 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">PCR (ng/ml) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">204±130.1 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">171±85.7 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">157±68.3 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">132±90.7 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">112±59.5 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">67±64.4 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">59±63.0 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><0.001 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Platelet count (×109/l) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">130±121 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">110±85 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">120±120 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">130±123 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">140±124 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">130±137 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">120±140 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.86 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">WBC counts (×109/l) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">19±11.1 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">21±14.7 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">20±11.3 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">22±12.3 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">22±17.5 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">23±19.5 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">23±21.6 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">0.97 \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] "imagenFichero" => array:1 [ 0 => "xTab515352.png" ] ] ] ] "descripcion" => array:1 [ "en" => "Changes in laboratory 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Protein C zymogen in adults with severe sepsis or septic shock

Zimógeno de proteína C en adultos con sepsis grave o choque séptico

M. Crivellari, S. Silvetti, C. Gerli, G. Landoni

Corresponding author

landoni.giovanni@hsr.it

Corresponding author.

, A. Franco, T. Bove, F. Pappalardo, A. Zangrillo

Department of Anesthesia and Intensive Care, San Raffaele Scientific Institute, Milano, Italy

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          "en" => "<p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">Trend of protein C zymogen during the 72<span class="elsevierStyleHsp" style=""></span>h of administration&#46;</p>"
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    "textoCompleto" => "<span class="elsevierStyleSections"><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0070">Introduction</span><p id="par0005" class="elsevierStylePara elsevierViewall">Severe sepsis and septic shock are life-threatening medical emergencies and are among the most significant challenges in critical care&#46; Mortality rates approach 30&#8211;50&#37;&#44; and can be as high as 90&#37; when multiple organ dysfunctions ensue&#46;<a class="elsevierStyleCrossRefs" href="#bib0005"><span class="elsevierStyleSup">1&#44;2</span></a> Improvement in survival rates was achieved through early broad-spectrum antibiotic administration&#44; organ supportive therapy&#44; and&#44; until recently&#44; through Recombinant Human Activated Protein C &#40;rhAPC&#41; in selected patients at low risk of bleeding&#46; A recent randomized study showed that rhAPC did not significantly reduce mortality at 28 or 90 days&#44; as compared with placebo&#44; in patients with septic shock&#46;<a class="elsevierStyleCrossRef" href="#bib0015"><span class="elsevierStyleSup">3</span></a></p><p id="par0010" class="elsevierStylePara elsevierViewall">Protein C &#40;PC&#41; is the vitamin K-dependent zymogen of a serine protease with antithrombotic&#44; anti-inflammatory&#44; and profibrinolytic properties&#46;<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a> Due to its action on the coagulation pathway&#44; rhAPC&#44; the active form of drug&#44; exposes treated patients to a serious hemorrhagic risk<a class="elsevierStyleCrossRefs" href="#bib0025"><span class="elsevierStyleSup">5&#8211;8</span></a> and its administration was subject to careful evaluation of the risk-to-benefit ratio&#46; Attempts were made to use protein C zymogen&#44; its &#8220;inactive&#8221; precursor&#44; endowed with anti-inflammatory activity but devoid of anticoagulant properties&#46; Among its advantages&#44; PC is activated &#8220;on demand&#8221; in sites of major thrombin formation&#44; and this is expected to limit or eliminate unwanted bleeding&#46;</p><p id="par0015" class="elsevierStylePara elsevierViewall">Few case series have been published on adult septic patients receiving protein C zymogen&#46; We hereby describe the largest case series of adult patients with severe sepsis or septic shock receiving PC in a single center&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0075">Patients and methods&#44; setting and study population</span><p id="par0020" class="elsevierStylePara elsevierViewall">After ethical committee approval and with patients&#8217; written consent&#44; we collected data from 23 adult patients with severe sepsis or septic shock admitted to two intensive care units &#40;ICU&#41; of San Raffaele Scientific Institute over a 2-year period&#46; Eleven of these 23 patients were already reported in other publications&#46;<a class="elsevierStyleCrossRefs" href="#bib0045"><span class="elsevierStyleSup">9&#44;10</span></a> Inclusion criteria were represented by age &#62;18 years&#44; diagnosis of severe sepsis &#40;acute organ dysfunction secondary to documented or suspected infection&#41; or septic shock &#40;severe sepsis plus hypotension not reversed with fluid resuscitation&#41; and two or more organ failures due to sepsis of recent onset &#40;less than 48<span class="elsevierStyleHsp" style=""></span>h&#41;&#59; contraindication to receive rhAPC &#40;recent major surgery in most patients&#41;&#59; being admitted in the ICU&#46; Exclusion criteria were represented by known allergy to the study product and inclusion in other studies&#46;</p><p id="par0025" class="elsevierStylePara elsevierViewall">In addition to current standard-of-care therapies for severe sepsis and septic shock&#44; patients received PC concentrates &#40;Ceprotin<span class="elsevierStyleSup">&#174;</span>&#44; Baxter&#44; Wien&#41; administered as a starting bolus &#40;50<span class="elsevierStyleHsp" style=""></span>IU&#47;kg&#41; plus a 3<span class="elsevierStyleHsp" style=""></span>IU&#47;kg&#47;h continuous infusion over 72<span class="elsevierStyleHsp" style=""></span>h&#46;</p><p id="par0030" class="elsevierStylePara elsevierViewall">We measured plasma PC activity&#44; prothrombin time &#40;PT&#41;&#44; activated partial thromboplastin time &#40;aPTT&#41;&#44; Platelets &#40;PLTs&#41;&#44; C-reactive protein &#40;CRP&#41;&#44; white cell count &#40;WBC&#41;&#44; D-dimer and fibrinogen &#40;FG&#41; values at baseline&#44; at 6 and 12<span class="elsevierStyleHsp" style=""></span>h after PC concentrate administration&#44; then every 12<span class="elsevierStyleHsp" style=""></span>h for 60<span class="elsevierStyleHsp" style=""></span>h&#46; The sequential organ assessment failure &#40;SOFA&#41; score&#44; the Acute Physiology and Chronic Health Evaluation &#40;APACHE II&#41; score&#44; and the simplified acute physiology score &#40;SAPS II&#41; were recorded at baseline &#40;when patient received PC zymogen&#41;&#44; daily for 7 days&#46;</p><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0080">Laboratory methods</span><p id="par0035" class="elsevierStylePara elsevierViewall">Serial venous samples &#40;4&#46;5<span class="elsevierStyleHsp" style=""></span>ml&#41; were collected in siliconized Vacutainer tubes &#40;Becton-Dickinson&#44; Plymouth&#44; UK&#41; containing &#40;0&#46;5<span class="elsevierStyleHsp" style=""></span>ml&#41; tri-sodium citrate &#40;0&#46;129<span class="elsevierStyleHsp" style=""></span>M&#41; and in tubes containing 0&#46;5<span class="elsevierStyleHsp" style=""></span>ml of a mixture of tri-sodium citrate and benzamidine&#8211;HCl &#40;200<span class="elsevierStyleHsp" style=""></span>mM&#41; at the following times&#58; before the bolus dose&#44; 6<span class="elsevierStyleHsp" style=""></span>h after bolus and every 12<span class="elsevierStyleHsp" style=""></span>h thereafter up to 72<span class="elsevierStyleHsp" style=""></span>h&#46; Within 1<span class="elsevierStyleHsp" style=""></span>h from collection&#44; platelet poor plasma was obtained by centrifugation for 10<span class="elsevierStyleHsp" style=""></span>min at 2000<span class="elsevierStyleHsp" style=""></span>&#215;<span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">g</span> at room temperature&#46; PT &#40;Hemoliance Recombiplastin&#44; Instrumentation Laboratory&#44; Lexington&#44; MA&#41;&#44; aPTT &#40;STA aPTT Kaolin&#44; Diagnostica Stago&#44; Asnier sur Seine&#44; France&#41;&#44; FG &#40;clotting assay&#44; STA Fibrinogen&#44; Stago&#41;&#44; and D-dimer &#40;STA Liatest D-D&#44; Stago&#41; determinations were performed on fresh citrated plasma samples with an automated coagulometer &#40;STA&#44; Stago&#41;&#46; Plasma aliquots were snap-frozen with methanol and dry ice and stored at &#8722;70<span class="elsevierStyleHsp" style=""></span>&#176;C for additional measurements in citrated plasma of PC anticoagulant activity &#40;STA Protein C&#44; Stago&#41;&#44; and antithrombin &#40;amidolytic activity&#44; STA Antithrombin&#44; Stago&#41;&#46; Blood samples collected in tri-sodium citrate and benzamidine&#8211;HCl were also centrifuged as described above with plasma aliquots snap-frozen and stored at &#8722;70<span class="elsevierStyleHsp" style=""></span>&#176;C&#46; Within one month&#44; prothrombin fragment 1<span class="elsevierStyleHsp" style=""></span>&#43;<span class="elsevierStyleHsp" style=""></span>2 &#40;F1<span class="elsevierStyleHsp" style=""></span>&#43;<span class="elsevierStyleHsp" style=""></span>2&#44; Enzygnost F1<span class="elsevierStyleHsp" style=""></span>&#43;<span class="elsevierStyleHsp" style=""></span>2&#44; Dade-Behring&#44; Marburg&#41; and thrombin-antithrombin III complex &#40;TAT Enzygnost TAT micro&#44; Dade-Behring&#44; Marburg&#41; were measured with commercially available ELISA kits&#46;</p></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0085">Statistics</span><p id="par0040" class="elsevierStylePara elsevierViewall">Collected data were analyzed through repeated measure ANOVA&#44; chi-square &#40;<span class="elsevierStyleItalic">&#967;</span><span class="elsevierStyleSup">2</span>&#41;&#44; and Friedman&#39;s test using SPSS<span class="elsevierStyleSup">&#174;</span> 13 statistical package &#40;Chicago&#44; Illinois&#41;&#46; The <span class="elsevierStyleItalic">Z</span>-test for two proportions was employed to compare expected versus observed mortality&#46; A <span class="elsevierStyleItalic">p</span>-value &#60;0&#46;05 was considered statistically significant&#46;</p></span></span><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0090">Results</span><p id="par0045" class="elsevierStylePara elsevierViewall">We enrolled 23 consecutive patients with severe sepsis or septic shock&#46; Twenty-one &#40;91&#37;&#41; of them were surgical patients &#40;18 cardiac surgery and one each for thoracic&#44; vascular&#44; urologic and abdominal surgery&#41; and 1 patient presented to the emergency department with septic shock&#46; Mean patient age was 63<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>12 years &#40;range 25&#8211;77&#41; and 4 &#40;17&#37;&#41; were female&#46;</p><p id="par0050" class="elsevierStylePara elsevierViewall">All patients showed signs of sepsis-induced multiorgan dysfunction syndrome&#58; 22 patients had respiratory failure&#44; 16 had acute renal failure requiring renal replacement therapy and 16 had pharmacological sedation&#46; The average APACHE II was 25<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>5&#44; mean SAPS II was 58<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>14&#44; and mean SOFA score was 14<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>2&#46; The timing from surgery &#40;or ICU admission&#41; to the first cultural sample was 5<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>4&#46;7 days while the timing from surgery &#40;or ICU admission&#41; to PC administration was 7<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>5&#46;1 days&#46; Seventeen patients had single or multiple cultural examination &#40;in 4 patients the germs were identified in multiple sites and in 6 patients more than one germ was identified&#41;&#46; Blood culture &#40;8 patients&#41;&#44; bronchoalveolar lavage &#40;10 patients&#41; and urine culture &#40;2 patients&#41; were positive for the following germs&#58; <span class="elsevierStyleItalic">Staphylococcus</span> spp&#46; &#40;7 patients&#41;&#44; <span class="elsevierStyleItalic">Escherichia coli</span> &#40;6 patients&#41;&#44; <span class="elsevierStyleItalic">Acinetobacter</span> spp&#46; &#40;2 patients&#41;&#44; <span class="elsevierStyleItalic">Proteus</span>&#44; <span class="elsevierStyleItalic">Serratia marcescens</span>&#44; <span class="elsevierStyleItalic">Streptococcus</span> spp&#46;&#44; <span class="elsevierStyleItalic">Enterobacter cloacae</span>&#44; <span class="elsevierStyleItalic">Klebsiella pneumonia</span>&#44; <span class="elsevierStyleItalic">Citrobacter</span> and <span class="elsevierStyleItalic">Pseudomonas aeruginosa</span>&#46;</p><p id="par0055" class="elsevierStylePara elsevierViewall">Baseline plasma PC activity was 33<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>18&#37; &#91;normal values 65&#8211;140&#37;&#93;&#44; and increased to 66<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>22&#37; at 6<span class="elsevierStyleHsp" style=""></span>h after PC bolus &#40;<span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;001&#41;&#46; Afterwards&#44; it remained constantly within normal range values during PC concentrate continuous infusion and was 90<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>25&#37; at 72<span class="elsevierStyleHsp" style=""></span>h &#40;<span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;001 to baseline&#41; &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>&#41;&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0060" class="elsevierStylePara elsevierViewall">Changes in laboratory variables after protein C concentrate administration showed in <a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>&#46; A significantly increasing of ATIII values from 49<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>15 to 81<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>19 was observed at 60<span class="elsevierStyleHsp" style=""></span>h &#40;<span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;04&#41;&#44; FG and fibrin D-dimer showed a trend toward reduction and PLT count tended to increase from 130 &#40;&#215;10<span class="elsevierStyleSup">9</span>&#47;l&#41;<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>121 &#40;&#215;10<span class="elsevierStyleSup">9</span>&#47;l&#41; to 120 &#40;&#215;10<span class="elsevierStyleSup">9</span>&#47;l&#41;<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>140 &#40;&#215;10<span class="elsevierStyleSup">9</span>&#47;l&#41; during the 60<span class="elsevierStyleHsp" style=""></span>h period&#46;</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><p id="par0065" class="elsevierStylePara elsevierViewall">On the inflammatory viewpoint PCR values significantly decreased from 204<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>130&#46;1 to 59<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>63&#46;0 during 60<span class="elsevierStyleHsp" style=""></span>h &#40;<span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;01&#41;&#46;</p><p id="par0070" class="elsevierStylePara elsevierViewall">We observed a rapid reduction of the SOFA &#40;from 14<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>2 to 7<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>4&#44; <span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;001&#41; &#40;<a class="elsevierStyleCrossRef" href="#fig0010">Fig&#46; 2</a>&#41;&#44; the SAPS II &#40;from 58<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>14 to 37<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>12&#44; <span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;001&#41;&#44; and the APACHE II &#40;from 25<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>5 to 14<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>6&#44; <span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;001&#41; scores at 7 days&#46;</p><elsevierMultimedia ident="fig0010"></elsevierMultimedia><p id="par0075" class="elsevierStylePara elsevierViewall">Septic shock mortality rates in the literature approach 60&#37; and the expected mortality in our sample population was 53<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>17&#37;&#46; The <span class="elsevierStyleItalic">Z</span>-test for two proportions evidenced a significant reduction between the expected mortality &#40;53&#37;&#41; and the observed mortality 30&#37; &#40;<span class="elsevierStyleItalic">Z</span> value<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>1&#46;99&#44; <span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;046&#41;&#46; In fact&#44; 7 patients of our sample died &#40;30&#37;&#41;&#44; all of them by refractory shock&#46; A post hoc analysis showed that the best results in terms of crude mortality were observed in the subgroup of 11 patients with a cardiac index &#8805;2&#46;5<span class="elsevierStyleHsp" style=""></span>L&#47;min&#47;m<span class="elsevierStyleSup">2</span>&#46; In that group&#44; only 1 patient &#40;9&#37;&#41; died &#40;<span class="elsevierStyleItalic">Z</span> value<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>3&#46;5&#44; <span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;001&#41;&#46;</p><p id="par0080" class="elsevierStylePara elsevierViewall">We observed two cases of hemorrhagic cystitis&#44; respectively three days and two weeks after PC concentrate interruption&#46; One case of bilateral jugular vein thrombosis was recorded as well&#46; These phenomena could not be attributed to the drug administration&#46; No bleeding complication was reported&#46;</p></span><span id="sec0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0095">Discussion</span><p id="par0085" class="elsevierStylePara elsevierViewall">To the best of our knowledge this is the largest case series ever reported on the use of PC zymogen&#46; In this study we showed a favorable effects on coagulation&#44; multiorgan function and survival in patients that received PC zymogen&#46;</p><p id="par0090" class="elsevierStylePara elsevierViewall">PC levels increased from 33<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>18&#37; to 66<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>22&#37; &#91;normal values 65&#8211;140&#37;&#93;&#44; at 6<span class="elsevierStyleHsp" style=""></span>h after PC bolus &#40;<span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;001&#41;&#44; and kept on increasing during the 72<span class="elsevierStyleHsp" style=""></span>h of administration &#40;<span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;001 to baseline&#41;&#46; Interestingly&#44; all our patients had low baseline levels of PC&#46; This finding is important because a low PC value is a strong predictor of unfavorable outcome<a class="elsevierStyleCrossRefs" href="#bib0055"><span class="elsevierStyleSup">11&#8211;14</span></a> and septic patients are associated with increased morbidity and mortality&#46; Despite this baseline data we achieved a survival rate of 70&#37;&#46; Given the expected poor outcome on the basis of the score risks and our patients&#8217; PC activity&#44; the 70&#37; survival rate may indicate that perhaps a beneficial drug effect on survival is present&#46;</p><p id="par0095" class="elsevierStylePara elsevierViewall">In our patients PC levels increased at 6<span class="elsevierStyleHsp" style=""></span>h after PC bolus and remained constant thereafter&#44; furthermore ATIII levels significantly increased after drug administration&#46;</p><p id="par0100" class="elsevierStylePara elsevierViewall">We also reported clinical benefit as documented by the significant reduction in the indices of organ dysfunction &#40;the SOFA&#41;&#46; Finally patient mortality was 30&#37; versus the expected 53&#37; and this difference was even more evident if only septic patients with cardiac index &#8805;2&#46;5<span class="elsevierStyleHsp" style=""></span>L&#47;min&#47;m<span class="elsevierStyleSup">2</span> were considered &#40;mortality was 9&#37;&#41;&#46;</p><p id="par0105" class="elsevierStylePara elsevierViewall">Consistently with the findings of the largest adult case series &#40;20 patients&#41; published so far<a class="elsevierStyleCrossRef" href="#bib0075"><span class="elsevierStyleSup">15</span></a> we achieved normalization of coagulation parameters as a increasing of ATIII&#44; as indicated by prompt raise of plasma PC activity within normal values&#44; and a decreasing of PCR levels&#59; an improvement of indices of organ dysfunction and a beneficial effect on patient survival&#46; Similar findings were noted in our previously published case series that included 9 of these 23 patients&#46;<a class="elsevierStyleCrossRef" href="#bib0045"><span class="elsevierStyleSup">9</span></a> A recent systematic review on all the published case reports and case series of adult septic patients receiving PC suggested that mortality rates are low when receiving this drug&#46;<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">10</span></a></p><p id="par0110" class="elsevierStylePara elsevierViewall">One interesting finding of our case series is that the beneficial effects on survival were more important in the patients with high cardiac output&#46; The results of our study are important especially in view of the paucity of drugs&#44; techniques or strategies that might reduce perioperative mortality in critically ill patients&#46;<a class="elsevierStyleCrossRef" href="#bib0080"><span class="elsevierStyleSup">16</span></a></p><span id="sec0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0100">Limitations</span><p id="par0115" class="elsevierStylePara elsevierViewall">Although this is the largest case series of adult patients receiving PC ever published in literature&#44; the small sample size and the non randomized study design do not allow us to draw definitive conclusions on the beneficial effect of PC administration in severe sepsis or septic shock&#46; Furthermore&#44; we measured only PCR and not other inflammatory markers such as procalcitonin or interleukine-6&#46; On top of this&#44; we acknowledge that the diagnosis of sepsis after major surgery might be challenging and that SIRS without infection is to be taken into consideration&#46; Lastly&#44; in half of our patients sepsis was diagnosed in patients with ongoing LCOS&#44; a condition that is frequent after cardiac surgery and that can further confound the clinical picture of these patients&#46;</p></span><span id="sec0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0105">Conclusions</span><p id="par0120" class="elsevierStylePara elsevierViewall">The favorable effects on coagulation&#44; multiorgan function and survival suggest potential beneficial effects of PC concentrate on restoring homeostasis&#44; at least as coagulation is concerned&#44; and should raise interest in confirming our and others&#8217; promising results through a randomized clinical trial or at least case match studies&#46;</p></span></span><span id="sec0045" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0110">Conflict of interest</span><p id="par0125" class="elsevierStylePara elsevierViewall">The authors declare no conflicts of interest&#46;</p></span></span>"
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            0 => "Resumen"
            1 => "Introducci&#243;n"
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    "fechaRecibido" => "2012-11-20"
    "fechaAceptado" => "2013-04-21"
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          "clase" => "keyword"
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          "palabras" => array:5 [
            0 => "Protein C zymogen"
            1 => "Bleeding"
            2 => "Sepsis"
            3 => "Intensive care"
            4 => "Critical care"
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          "clase" => "keyword"
          "titulo" => "Palabras clave"
          "identificador" => "xpalclavsec327357"
          "palabras" => array:5 [
            0 => "Zim&#243;geno de prote&#237;na C"
            1 => "Hemorragia"
            2 => "Sepsis"
            3 => "Cuidados intensivos"
            4 => "Cuidados cr&#237;ticos"
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        "resumen" => "<span class="elsevierStyleSectionTitle" id="sect0015">Introduction</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Activated protein C is associated with a risk of bleeding and its effects on survival in septic shock patients are questionable&#46; Protein C zymogen has no risk of bleeding and improves the outcome of patients with septic shock&#46; We hereby describe the largest published case series of adult patients receiving protein C zymogen&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0020">Design&#44; setting and participants</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">A prospective study on 23 adult patients with severe sepsis or septic shock&#44; two or more organ failures and at high risk for bleeding&#44; treated with protein C zymogen &#40;50<span class="elsevierStyleHsp" style=""></span>IU&#47;kg bolus followed by continuous infusion of 3<span class="elsevierStyleHsp" style=""></span>IU&#47;kg&#47;h for 72<span class="elsevierStyleHsp" style=""></span>h&#41;&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0025">Results</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">The <span class="elsevierStyleItalic">Z</span>-test evidenced a significant reduction between the expected mortality &#40;53&#37;&#41; and the observed mortality 30&#37; &#40;<span class="elsevierStyleItalic">Z</span> value<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>1&#46;99&#44; <span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;046&#41; in our sample population&#46; Protein C levels increased from 34<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>18&#37; to 66<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>22&#37; at 6<span class="elsevierStyleHsp" style=""></span>h after PC bolus &#40;<span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;001&#41;&#44; and kept on increasing during 72<span class="elsevierStyleHsp" style=""></span>h of administration &#40;<span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;001 to baseline&#41;&#46; Sequential Organ Failure Assessment &#40;SOFA&#41;&#44; score of organ dysfunction&#44; decreased from baseline to 7 days after administration of protein C from 14<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>2 to 7<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>4 &#40;<span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#46;001&#41;&#46; No adverse event drug related was noted&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0030">Conclusion</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">Protein C zymogen administration is safe and its use in septic patients should be investigated through a randomized controlled trial&#46;</p>"
      ]
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        "titulo" => "Resumen"
        "resumen" => "<span class="elsevierStyleSectionTitle" id="sect0040">Introducci&#243;n</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">La prote&#237;na C activada se asocia a un elevado riesgo de hemorragia&#44; y sus efectos sobre la supervivencia en los pacientes con choque s&#233;ptico son cuestionables&#46; El zim&#243;geno de prote&#237;na C no presenta ning&#250;n riesgo de hemorragia&#44; y mejora los resultados en los pacientes con choque s&#233;ptico&#46; Describimos la serie de casos m&#225;s amplia publicada de pacientes adultos tratados con zim&#243;geno de prote&#237;na C&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0045">Dise&#241;o&#44; &#225;mbito y participantes</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Se ha llevado a cabo un estudio prospectivo en el que han participado 23 adultos con sepsis grave o choque s&#233;ptico&#44; 2 o m&#225;s fallos org&#225;nicos&#44; y un elevado riesgo de hemorragia&#44; tratados con zim&#243;geno de prote&#237;na C &#40;dosis en bolo de 50<span class="elsevierStyleHsp" style=""></span>UI&#47;kg seguida de una infusi&#243;n continua de 3<span class="elsevierStyleHsp" style=""></span>UI&#47;kg&#47;h durante 72<span class="elsevierStyleHsp" style=""></span>h&#41;&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0050">Resultados</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">La prueba Z puso de manifiesto una disminuci&#243;n significativa entre la mortalidad prevista &#40;53&#37;&#41;&#44; y la mortalidad observada 30&#37; &#40;valor Z<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>1&#44;99&#59; p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;046&#41; en nuestra serie&#46; Las concentraciones de prote&#237;na C incrementaron de 34<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>18&#37; a 66<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>22&#37; a las 6<span class="elsevierStyleHsp" style=""></span>h de la dosis en bolo &#40;p<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;&#44; y siguieron incrementando durante las 72<span class="elsevierStyleHsp" style=""></span>h siguientes a la administraci&#243;n &#40;p<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001 respecto a la situaci&#243;n basal&#41;&#46; La puntuaci&#243;n en la evaluaci&#243;n secuencial del fallo org&#225;nico &#40;SOFA&#41; disminuy&#243; entre la situaci&#243;n basal&#44; y 7 d&#237;as despu&#233;s de la administraci&#243;n de prote&#237;na C de 14<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>2 a 7<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>4 &#40;p<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>0&#44;001&#41;&#46; No se registraron reacciones farmacol&#243;gicas adversas&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0055">Conclusi&#243;n</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">El zim&#243;geno de prote&#237;na Z deber&#237;a investigarse su utilizaci&#243;n en los pacientes con sepsis mediante un estudio aleatorizado y controlado&#46;</p>"
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          "en" => "<p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">Variation of Sequential Organ Failure Assessment &#40;SOFA&#41;&#44; score during and after protein C zymogen administration&#46;</p>"
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                  \t\t\t\t" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t" style="border-bottom: 2px solid black">24<span class="elsevierStyleHsp" style=""></span>h&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t" style="border-bottom: 2px solid black">36<span class="elsevierStyleHsp" style=""></span>h&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t" style="border-bottom: 2px solid black">48<span class="elsevierStyleHsp" style=""></span>h&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-head\n
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                  \t\t\t\t" style="border-bottom: 2px solid black">60<span class="elsevierStyleHsp" style=""></span>h&nbsp;\t\t\t\t\t\t\n
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Article information

ISSN: 21735727
Original language: English

DOI:10.1016/j.medine.2013.04.004

The statistics are updated each day

Year/Month	Html	Pdf	Total

2024 November	13	14	27
2024 October	73	43	116
2024 September	72	36	108
2024 August	58	36	94
2024 July	47	20	67
2024 June	33	44	77
2024 May	61	34	95
2024 April	44	31	75
2024 March	41	24	65
2024 February	32	32	64
2024 January	35	30	65
2023 December	33	38	71
2023 November	32	33	65
2023 October	26	22	48
2023 September	29	26	55
2023 August	29	11	40
2023 July	44	21	65
2023 June	44	15	59
2023 May	45	30	75
2023 April	53	18	71
2023 March	52	31	83
2023 February	50	29	79
2023 January	21	19	40
2022 December	37	26	63
2022 November	30	26	56
2022 October	52	35	87
2022 September	42	31	73
2022 August	44	32	76
2022 July	32	32	64
2022 June	35	23	58
2022 May	42	44	86
2022 April	32	32	64
2022 March	51	46	97
2022 February	26	22	48
2022 January	43	30	73
2021 December	32	45	77
2021 November	26	37	63
2021 October	54	63	117
2021 September	25	31	56
2021 August	21	31	52
2021 July	26	28	54
2021 June	25	17	42
2021 May	48	43	91
2021 April	75	54	129
2021 March	66	37	103
2021 February	49	25	74
2021 January	50	24	74
2020 December	30	30	60
2020 November	21	20	41
2020 October	29	24	53
2020 September	28	14	42
2020 August	22	13	35
2020 July	16	20	36
2020 June	40	11	51
2020 May	26	11	37
2020 April	34	25	59
2020 March	16	8	24
2020 February	60	55	115
2020 January	30	26	56
2019 December	35	27	62
2019 November	23	24	47
2019 October	38	16	54
2019 September	28	19	47
2019 August	27	23	50
2019 July	32	22	54
2019 June	15	9	24
2019 May	54	26	80
2019 April	38	12	50
2019 March	37	21	58
2019 February	32	39	71
2019 January	37	52	89
2018 December	79	32	111
2018 November	65	52	117
2018 October	58	32	90
2018 September	14	5	19
2018 August	13	6	19
2018 July	19	8	27
2018 June	17	8	25
2018 May	11	5	16
2018 April	19	8	27
2018 March	15	3	18
2018 February	14	5	19
2018 January	24	11	35
2017 December	17	9	26
2017 November	23	9	32
2017 October	12	7	19
2017 September	18	10	28
2017 August	8	10	18
2017 July	11	16	27
2017 June	20	14	34
2017 May	18	14	32
2017 April	25	14	39
2017 March	10	4	14
2017 February	19	15	34
2017 January	10	4	14
2016 December	27	9	36
2016 November	38	9	47
2016 October	42	15	57
2016 September	54	11	65
2016 August	31	8	39
2016 July	17	8	25
2015 December	2	0	2

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