Alcohol, clinical & experimental research · 2024
Psychosocial predictors of return to alcohol use after liver transplant: A multicenter cohort study.
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Torosian Kelly, Shahrvini Bita, Johnson Willie Mohammed, Vodkin Irine, Tincopa Monica, Lim Nicholas, Kwong Allison, Ajmera Veeral
Аннотация
BACKGROUND: Alcohol use after liver transplant (LT) is associated with higher rates of graft loss and increased mortality; however, there are limited data evaluating predictors of return to alcohol use using biochemical markers like phosphatidylethanol (PEth).
METHODS: This multicenter retrospective cohort study evaluated psychosocial predictors of return to alcohol use using PEth testing in patients transplanted for alcohol-associated liver disease (ALD). The study included 223 patients at three centers who had received a LT for ALD and had at least one PEth measurement post-LT.
RESULTS: The rate of return to alcohol use was 6.9 cases per 100 person-years (26 patients total) over a median 555 days of follow-up after transplant. Younger age (HR 0.96; 95% CI 0.92-0.99, p = 0.02), mental health comorbidities (HR 2.83; 95% CI 1.25-6.39, p = 0.01), and non-Hispanic White race (HR 3.79; 95% CI 1.42-10.15, p = 0.01) were associated with return to alcohol use post-LT. There was no difference between post-LT return to alcohol use rates or short-term survival among patients with less than 6 months of sobriety prior to listing compared with those with more than 6 months. Patients with sustained alcohol use post-LT had increased odds of history of illicit substance use (OR 5.20; 95% CI 1.01-26.83, p = 0.04) but no significant difference in time from the last drink to listing (OR 1.03; 95% CI 0.18-5.80, p = 0.97).
CONCLUSIONS: These findings emphasize the importance of mental health comorbidities rather than period of sobriety in predicting post-LT return to alcohol use. Furthermore, the higher risk of return to alcohol use in non-Hispanic White patients suggests a potential disparity with referral and selection of higher risk White patients.
METHODS: This multicenter retrospective cohort study evaluated psychosocial predictors of return to alcohol use using PEth testing in patients transplanted for alcohol-associated liver disease (ALD). The study included 223 patients at three centers who had received a LT for ALD and had at least one PEth measurement post-LT.
RESULTS: The rate of return to alcohol use was 6.9 cases per 100 person-years (26 patients total) over a median 555 days of follow-up after transplant. Younger age (HR 0.96; 95% CI 0.92-0.99, p = 0.02), mental health comorbidities (HR 2.83; 95% CI 1.25-6.39, p = 0.01), and non-Hispanic White race (HR 3.79; 95% CI 1.42-10.15, p = 0.01) were associated with return to alcohol use post-LT. There was no difference between post-LT return to alcohol use rates or short-term survival among patients with less than 6 months of sobriety prior to listing compared with those with more than 6 months. Patients with sustained alcohol use post-LT had increased odds of history of illicit substance use (OR 5.20; 95% CI 1.01-26.83, p = 0.04) but no significant difference in time from the last drink to listing (OR 1.03; 95% CI 0.18-5.80, p = 0.97).
CONCLUSIONS: These findings emphasize the importance of mental health comorbidities rather than period of sobriety in predicting post-LT return to alcohol use. Furthermore, the higher risk of return to alcohol use in non-Hispanic White patients suggests a potential disparity with referral and selection of higher risk White patients.