Acute-on-chronic liver failure; prevalence, causes, predisposing factors, and outcome
Gastroenterology and Hepatology from Bed to Bench,
Vol. 17 No. 2 (2024),
14 April 2024
https://doi.org/10.22037/ghfbb.v17i2.2888
Abstract
Aim: Until now, there has been disagreement regarding the prevalence, causes, predisposing factors, and outcome of ACLF (Acute-on-chronic liver failure). As a result, we have undertaken this research study.
Background: ACLF is a complex syndrome with a poor prognosis.
Methods: In this cross-sectional study, we evaluated the prevalence, causes, predisposing factors, and outcomes of adult cirrhotic patients with ACLF and acute decompensation (AD). ACLF was defined based on the criteria established by APASL (Asian Pacific Association for the Study of the Liver). The severity of organ failure was assessed using both EASL-CLIF (European Association for the Study of the Liver- Chronic Liver Failure) and NACSELD (North American Consortium for the Study of End-Stage Liver Disease) scores. To investigate the impact of different independent variables on mortality, survival analysis methods were used.
Results: A total of 156 patients' data were analyzed in this study. The mean age of patients with ACLF (56.62±16.19 years) was significantly lower compared to the AD group (62.30±14.28 years). Nonalcoholic steatohepatitis and infection were the most common causes and predisposing factors in both AD and ACLF groups, respectively, but the difference between the two groups was not statistically significant. The most common organ failures observed were hepatic encephalopathy and respiratory failure. The probability of death at any given time for was significantly higher in ACLF patients than in the AD group (log rank test; P<0.001). The results of Cox regression analysis revealed that low blood pressure (HR 0.97; 95% CI 0.96-0.99; P<0.001) and decreased blood pH (HR 0.53; 95% CI 0.28-0.99; P=0.04) were significant risk factors associated with increased mortality.
Conclusion: ACLF patients had a lower average age and higher mortality rates compared to AD. Nonalcoholic steatohepatitis was found to be the most common underlying disease in ACLF patients, while infections were identified as the predominant predisposing factor. All cases of mortality in the ACLF group were categorized as grade 3 and 4 based on the EASL-CLIF severity score. Hemodynamic instability and metabolic acidosis emerged as the most significant risk factors associated with increased mortality.
- Acute on Chronic Liver Failure
- Acute-on- Acute decompensated cirrhosis
- APASL
- EASL-CLIF
- NACSELD
How to Cite
References
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