The Survival Benefit of Re-abstinence After Harmful Alcohol Use Following Early Liver Transplant for Severe Alcohol-Associated Hepatitis: A Multi-Center ACCELERATE Study.

ABSTRACT

BACKGROUND AND AIMS: Early (i.e. without mandated period of abstinence) liver transplant (LT) for alcohol-associated hepatitis (AH) is the fastest growing indication for LT in the US and Europe. Harmful alcohol use post-LT is associated with poor outcomes but the distinction of establishing abstinence after return to drinking (i.e. re-abstinence) is understudied. This study aims to characterize the survival outcomes of achieving re-abstinence after post-LT harmful alcohol use. METHODS: We analyzed early LT recipients from 12 US LT centers between 2006-2021. Post-LT alcohol use was characterized as harmful using criteria of "binge" (>5 [men] or >4 [women] drinks in < 24 hours) or "frequent" (>4 days in one week) by interview or phosphatidylethanol >20ng/mL. Re-abstinence was defined as >12 consecutive months without harmful alcohol use following harmful alcohol use. RESULTS: Among 347 LT recipients (64% male, median age 43, median MELD-Na 38) with median post-LT follow-up of 2.2 years (IQI 1.1 - 3.6), 276 (80%) recipients had no evidence of harmful alcohol use, 35 (10%) recipients had re-abstinence, and 36 (10%) recipients had continued harmful alcohol use without re-abstinence. Five-year predicted survival, adjusted for age, sex, MELD-Na score, was lowest among LT recipients with continued harmful alcohol use (77%), but similar among those with no harmful use (93%) and re-abstinence (94%). CONCLUSIONS: Achieving re-abstinence after post-LT harmful alcohol use is associated with similar five-year post-LT survival compared to those without evidence of post-LT harmful alcohol use. Our findings highlight the importance of early detection and treatment of post-LT alcohol use.