Evidence
Aliment Pharmacol Ther. 2024 Jul 15. doi: 10.1111/apt.18159. Online ahead of print.
ABSTRACT
BACKGROUND & AIMS: The development of acute kidney injury (AKI) in the setting of alcohol-associated hepatitis (AH) portends a poor prognosis. Whether the presence of AH itself drives worse outcomes in patients with cirrhosis and AKI is unknown.
METHODS: Retrospective cohort study of 11 hospital networks of consecutive adult patients admitted in 2019 with cirrhosis and AKI. AKI phenotypes, clinical course, and outcomes were compared between AH and non-AH groups.
RESULTS: A total of 2062 patients were included, of which 303 (15%) had AH, as defined by National Institute on Alcohol Abuse and Alcoholism (NIAAA) criteria. Patients with AH, compared to those without, were younger and had higher Model for End-stage Liver Disease-Sodium (MELD-Na) scores on admission. AKI phenotypes significantly differed between groups (p < 0.001) with acute tubular necrosis occurring more frequently in patients with AH. Patients with AH reached more severe peak AKI stage, required more renal replacement therapy, and had higher 90-day cumulative incidence of death (45% [95% CI: 39%-51%] vs. 38% [95% CI: 35%-40%], p = 0.026). Using no AH as reference, the unadjusted sHR for 90-day mortality was higher for AH (sHR: 1.24 [95% CI: 1.03-1.50], p = 0.024), but was not significant when adjusting for MELD-Na, age and sex. However, in patients with hepatorenal syndrome, AH was an independent predictor of 90-day mortality (sHR: 1.82 [95% CI: 1.16-2.86], p = 0.009).
CONCLUSIONS: Hospitalised patients with cirrhosis and AKI presenting with AH had higher 90-day mortality than those without AH, but this may have been driven by higher MELD-Na rather than AH itself. However, in patients with hepatorenal syndrome, AH was an independent predictor of mortality.
PMID:39010302 | DOI:10.1111/apt.18159
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