Thomas Worland1, Ken Lee Chin2, Beverley Rodrigues1, Amanda Nicoll1,3. 1. Department of Gastroenterology, Eastern Health, Box Hill, Victoria, Australia. 2. Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia. 3. Monash University, Eastern Health Clinical School, Box Hill, Victoria, Australia.
Abstract
BACKGROUND: Identification of risk factors for drug-induced liver injury (DILI) has been hindered by the unpredictable incidence and idiosyncratic nature of DILI. The aim of this study was to identify characteristic host risk factors for DILI. METHODS: A retrospective cohort study was performed examining all patients admitted with a diagnosis of DILI over a 5.5-year period. Cases were compared to a control group non-exposed to DILI using propensity score-derived inverse probability weights. Patients with DILI due to alcohol or paracetamol were excluded from analysis. RESULTS: Seventy-two cases of DILI admitted to hospital were identified. Antimicrobials caused 56.9% of cases, with amoxicillin-clavulanate the single most common agent, responsible for 13.9% of cases. DILI cohort median age (50.2±36 years) was significantly younger than controls (65.0±38 years) (P<0.001). Pre-existing chronic liver disease (OR, 3.44; 95% CI, 1.38-8.59; P=0.008), length of stay (P<0.001) and in-hospital death (P=0.009) were more likely to be associated with DILI cases. There was no correlation with sex (OR male, 0.92; 95% CI, 0.50-1.67; P=0.78), presence of comorbid autoimmune disease (OR, 1.44; 95% CI, 0.68-3.05; P=0.35), past drug allergies (OR, 1.71; 95% CI, 0.92-3.16; P=0.09), or atopy (OR, 0.87; 95% CI, 0.42-1.82; P=0.72). CONCLUSIONS: Younger age and presence of chronic liver disease were associated with an admission with DILI; however, it remains difficult to predict the population at risk of DILI on clinical grounds and putative risk factors such as female gender, and history of other drug allergies and autoimmunity, were not demonstrated in this study. 2020 Translational Gastroenterology and Hepatology. All rights reserved.
BACKGROUND: Identification of risk factors for drug-induced liver injury (DILI) has been hindered by the unpredictable incidence and idiosyncratic nature of DILI. The aim of this study was to identify characteristic host risk factors for DILI. METHODS: A retrospective cohort study was performed examining all patients admitted with a diagnosis of DILI over a 5.5-year period. Cases were compared to a control group non-exposed to DILI using propensity score-derived inverse probability weights. Patients with DILI due to alcohol or paracetamol were excluded from analysis. RESULTS: Seventy-two cases of DILI admitted to hospital were identified. Antimicrobials caused 56.9% of cases, with amoxicillin-clavulanate the single most common agent, responsible for 13.9% of cases. DILI cohort median age (50.2±36 years) was significantly younger than controls (65.0±38 years) (P<0.001). Pre-existing chronic liver disease (OR, 3.44; 95% CI, 1.38-8.59; P=0.008), length of stay (P<0.001) and in-hospital death (P=0.009) were more likely to be associated with DILI cases. There was no correlation with sex (OR male, 0.92; 95% CI, 0.50-1.67; P=0.78), presence of comorbid autoimmune disease (OR, 1.44; 95% CI, 0.68-3.05; P=0.35), past drug allergies (OR, 1.71; 95% CI, 0.92-3.16; P=0.09), or atopy (OR, 0.87; 95% CI, 0.42-1.82; P=0.72). CONCLUSIONS: Younger age and presence of chronic liver disease were associated with an admission with DILI; however, it remains difficult to predict the population at risk of DILI on clinical grounds and putative risk factors such as female gender, and history of other drug allergies and autoimmunity, were not demonstrated in this study. 2020 Translational Gastroenterology and Hepatology. All rights reserved.
Entities:
Keywords:
Chemical and drug induced liver injury; drug related side effects and adverse reactions; toxic hepatitis
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