• Medicine · Jul 2021

    Elevated liver enzymes in hospitalized patients with COVID-19 in Singapore.

    • Jinghao Nicholas Ngiam, Nicholas Chew, Sai Meng Tham, Zhen Yu Lim, Tony Yi-Wei Li, Shuyun Cen, Paul Anantharajah Tambyah, Amelia Santosa, Mark Muthiah, Ching-Hui Sia, and Gail Brenda Cross.
    • Department of Medicine, National University Health System, Singapore.
    • Medicine (Baltimore). 2021 Jul 30; 100 (30): e26719e26719.

    AbstractLiver dysfunction in patients with COVID-19 (coronavirus disease 2019) has been described. However, it is not clear if the presence of abnormal liver function tests at presentation was related to underlying undiagnosed liver disease, or a result of the viral infection.We retrospectively examined the first 554 consecutive polymerase chain reaction positive SARS-CoV-2 patients admitted from February 2020 to April 2020 to our academic medical centre. We reviewed their clinical data, chest radiography and laboratory studies obtained within 24 hour of admission.Despite similar hemodynamic parameters, we found significant aspartate transaminase elevation (64 ± 141 vs 35 ± 23 U/L, P < .001) in those with pneumonia compared to those without. Elevated liver enzymes were seen in 102 patients (18.4%). They presented with higher temperatures (38.5 ± 0.9 vs 37.5 ± 0.8 degC, P = .011), higher total white cell counts (6.95 ± 2.29 vs 6.39 ± 2.19 x109/L, P = .021), serum ferritin (240 ± 274 vs 165 ± 198 ng/ml, P = .002) and lactate dehydrogenase (632 ± 912 vs 389 ± 107 U/L, P < .001). These patients were more likely to require intensive care (6.9% vs 2.7% P = .036) and mechanical ventilation (5.9% vs 2.2%, P = .046). Migrant workers from dormitories had a higher rate of baseline liver function test abnormalities (88/425 vs 14/129, P = .01), which were more likely to persist at the time of discharge.Despite relatively mild COVID-19 disease, there was a significant prevalence of liver dysfunction, particularly amongst migrant workers. Elevated liver enzymes were associated with more severe disease, despite similar haemodynamic characteristics. Future studies should explore whether pre-existing liver disease may predispose to more severe COVID-19 disease.Copyright © 2021 the Author(s). Published by Wolters Kluwer Health, Inc.

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