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Original article
Available online 30 June 2025
Central venous catheter associated bacteremia in critically ill adult patients using the sealing of unused lumens with taurolidine
Bacteriemia asociada a catéter venoso central en pacientes críticos adultos realizando el sellado de luces no utilizadas con taurolidina
Leonardo Lorentea,
Corresponding author
lorentemartin@msn.com

Corresponding author.
, Maria Lecuonab, Elena Péreza, Adrián Hernándeza, Sergio Sáncheza, Lucas Gonzáleza, Alejandro Ramosa, Jesús Pimentela, Pablo Correaa, Carmen Dolores Chinea-Rodrígueza, Carolina Martín-Meanaa, Ana Madueñob
a Department of Critical Care, Hospital Universitario de Canarias, Santa Cruz de Tenerife, Spain
b Department of Microbiology, Hospital Universitario de Canarias, Santa Cruz de Tenerife, Spain
Received 27 March 2025. Accepted 02 June 2025
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Tables (4)
Table 1. Characteristics of central venous catheters (CVC) with and without taurolidine.
Tables
Table 2. Characteristics of central venous catheters (CVC) with and without primary bloodstream infection (PBSI).
Tables
Table 3. Multiple logistic regression analyses to determine factors associated with Primary Bloodstream Infection.
Tables
Table 4. Microorganisms responsible of primary bloodstream infection in central venous catheters (CVC) with and without taurolidine.
Tables
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Abstract
Objective

Lower risk of catheter-related bacteremia (CRB) using taurolidine (antimicrobial agent) sealing of central venous catheters (CVCs) in children has been found in a meta-analysis.

The objective of this study was to analyze whether the sealing of unused lumens of CVCs with taurolidine in critically ill adult patients reduce CRB incidence.

Design

Retrospective study.

Setting

One Spanish Intensive Care Unit.

Patients

Critically ill adult patients, who underwent to some CVC.

Interventions

The seal of unused lumens of CVCs was performed with saline serum 0.9% or taurolidine.

Main variable of interest

Primary Bloodstream Infection (PBSI) included catheter-related bloodstream infection (CRBSI) CRBSI and bloodstream infection of unknown origin (BSIUO).

Results

We diagnosed 22 PBSI in the 573 (3.8%) CVC without taurolidine and 22 PBSI in the 548 (4.0%) CVC with taurolidine (p = 0.88). Logistic regression analysis showed an association of tracheostomy with the risk of PBSI; however, we did not find the association of other variables (included taurolidine) with the risk of PBSI.

Conclusion

To the best of our knowledge, this is the first study reporting data about sealing of unused lumens of CVCs with taurolidine in critically ill adult patients. In our preliminary study, we have not been able to demonstrate that sealing unused lumens of CVCs with taurolidine can reduce the risk of PBSI in critically ill adult patients. However, it would be interesting to conduct randomized studies to confirm or discard our findings.

Keywords:
Central venous catheter
Bacteremia
Taurolidine, sealing
Bloodstream infections
Abbreviations:
APACHE
BSIUO
CRBSI
CVC
ICU
PBSI
Resumen
Objetivo

Se ha objetivado en un meta-análisis un menor riesgo de bacteriemia relacionada con catéter (CRB) utilizando taurolidina (agente antimicrobiano) para el sellado de catéteres venosos centrales (CVCs) en niños. El objetivo de este estudio fué analizar si el sellado de las luces no utilizadas de CVC con taurolidina en pacientes críticos adultos reduce la incidencia de CRB.

Diseño

Estudio retrospectivo.

Ámbito

Una Unidad de Cuidados Intensivos española.

Pacientes

Pacientes críticos adultos con algún CVC.

Intervenciones

Sellado de las luces no utilizadas de CVC con taurolidina o con suero salino 0.9%.

Variable de interés principal

Bacteriemia primaria (PBSI), que incluía bacteriemia relacionada con catéter (CRBSI) y bacteriemia de origen desconocido (BSIUO).

Resultados

Se diagnosticaron 22 PBSI en los 573 (3.8%) CVC sin taurolidina y 22 PBSI en los 548 (4.0%) CVC con taurolidina (p = 0.88). El análisis de regresión logistica mostró la asociación de traqueostomía con el riesgo de PBSI; sin embargo, no encontramos la asociación con otras variables (incluída taurolidina) con el riesgo de PBSI.

Conclusiones

Que nosotros sepamos, este es el primer estudio que aporta datos sobre el sellado de las luces no utilizadas de CVC con taurolidina en pacientes críticos adultos. En un estudio preliminar, no hemos sido capaces de demostrar que el sellado de las luces no utilizadas de CVC con taurolidina puede reducir el riesgo de PBSI en pacientes críticos adultos. Sin embargo, sería interesante realizar estudios aletorizados para confirmar o descartar nuestros resultados.

Palabras clave:
Catéter venoso central
Bacteriemia
Taurolidina, sellado
Bacteriemia primaria

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