COVID-19 in Liver Transplant Recipients. 2021

Ravina Kullar, and Ankur Prakash Patel, and Sammy Saab
Expert Stewardship, Inc., Newport Beach, CA, USA.

OBJECTIVE Coronavirus disease 2019 (COVID-19) has infected over 93 million people worldwide as of January 14, 2021. Various studies have gathered data on liver transplant patients infected with COVID-19. Here, we discuss the presentation of COVID-19 in immunosuppressed patients with prior liver transplants. We also evaluate patient outcomes after infection. METHODS We searched the PubMed database for all studies focused on liver transplant patients with COVID-19. RESULTS We identified eight studies that evaluated COVID-19 infection in liver transplant patients (n=494). Hypertension was the most prevalent comorbidity in our cohort. Calcineurin inhibitors were the most common immunosuppressant medications in the entire cohort. The average time from liver transplant to COVID-19 infection in our cohort was 74.1 months. Fever and cough, at 70% and 62% respectively, were the most common symptoms in our review. In total, 50% of the patients received hydroxychloroquine as treatment for COVID-19. The next most prevalent treatment was azithromycin, given to 30% of patients in our cohort. In total, 80% of the patients were admitted to a hospital and 17% required intensive care unit-level care, with 21% having required mechanical ventilation. Overall mortality was 17% in our review. CONCLUSIONS Given the immunocompromised status of liver transplant patients, more intensive surveillance is necessary for severe cases of COVID-19 infection. As liver transplantations have been restricted during the COVID-19 pandemic, further investigation is warranted for studying the risk of COVID-19 infection in liver transplant patients.

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