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Vol. 48. Issue 11.
Pages 646-653 (November 2024)
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Vol. 48. Issue 11.
Pages 646-653 (November 2024)
Original article
The effect of different definitions of hepatic injury on incidence and mortality rates in the ICU patient population with secondary hepatic injury
El efecto de diferentes definiciones de lesión hepática sobre las tasas de incidencia y mortalidad en la población de pacientes de la UCI con lesión hepática secundaria
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Gül Gürsela, Ayshan Mammadovab,
Corresponding author
aysenmammadova665@gmail.com

Corresponding author.
, Eda Macit Aydına, Zeynep Çınara, Nurgül Navruzvaib, Sümeyye Kodalakb
a Gazi University School of Medicine, Critical Care fellowship program, Ankara, Turkey
b Department of Pulmonary Critical Care Medicine, Gazi University School of Medicine, Ankara, Turkey
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Figures (2)
Tables (5)
Table 1. Characteristics of the patients (n:478).
Table 2. Stages of hepatic injury according to ACG and EASL definitions and type of damage according to RUCAM classification.
Table 3. Incidence and mortality rates and Logistic regression analysis results for the mortality of the patients according to HI definitions.
Table 4. Diagnostic value of definitions compared to the gold standart.
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Abstract
Objective

The aim was to investigate how different hepatic injury (HI) definitions used in the same study population change incidence and mortality rates and which would best diagnose secondary HI.

Design

Single-centre retrospective observational cohort study.

Setting

Tertiary hospital ICU, ANKARA, Turkey.

Patients

Four hundred seventy-eight adult patients were included in the study.

Interventions

None.

Main variables of interest

Three definitions of HI were compared. Taking the SOFA hepatic criteria (SOFA: Total bilirubin (TBL) > 1.2 mg/dl) as the gold standard, sensitivity, specificity, positive and negative predictive values, and accuracy of the modified 2017 definition by the American College of Gastroenterology (ACG) and the 2019 European Association for the Study of the Liver (EASL) were calculated.

Results

Incidence rates ranged from 10% to 45% according to the definition (p < 0.005), while mortality rates ranged from 38% to 57%. When the SOFA1.2 (TBL > 1.2 definition was taken as the gold standard, the diagnostic value of the ACG definition was high, and HI was found to be an independent risk factor that increased mortality four times.

Conclusions

According to this study’s results, the incidence and mortality rates of secondary HI vary greatly depending on the definition used. A definition that includes minimal increases in ALT, AST, and TBL predicts mortality with reasonable incidence rates.

Keywords:
Hepatic injury
ICU
Incidence
Mortality
Definition
SOFA
Cholestasis
Resumen
Objetivo

El objetivo fue investigar cómo las diferentes definiciones de lesión hepática (HI) utilizadas en la misma población de estudio cambian las tasas de incidencia y mortalidad y cuál diagnosticaría mejor la HI secundaria.

Diseño

Estudio de cohorte observacional retrospectivo de un solo centro.

Ámbito

UCI del hospital terciario, ANKARA, Turquía

Pacientes o participantes

Se incluyeron en el estudio 478 pacientes adultos.

Intervenciones

Ninguna.

Variables de interés principals

Se compararon tres definiciones de HI. Tomando los criterios hepáticos SOFA (SOFA: Bilirrubina total (TBL)>1,2 mg/dl) como estándar de oro, sensibilidad, especificidad, valores predictivos positivos y negativos y precisión de la definición modificada de 2017 por el Colegio Americano de Gastroenterología (ACG) y se calcularon los de la Asociación Europea para el Estudio del Hígado (EASL) de 2019.

Resultados

Las tasas de incidencia oscilaron entre el 10% y el 45% según la definición (p < 0,005), mientras que las tasas de mortalidad oscilaron entre el 38% y el 57%. Cuando se tomó la definición SOFA1.2 (TBL > 1.2) como estándar de oro, el valor diagnóstico de la definición ACG fue alto y se encontró que HI era un factor de riesgo independiente que aumentaba la mortalidad cuatro veces.

Conclusiones

Según los resultados de este estudio, las tasas de incidencia y mortalidad de la HI secundaria varían mucho según la definición utilizada. Una definición que incluya aumentos mínimos de ALT, AST y TBL predice la mortalidad con tasas de incidencia razonables.

Palabras clave:
Lesión hepática
UCI
Incidencia
Mortalidad
Definición
Colestasis

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