COVID Tied to Spike in Deaths in Chronic Liver Disease With Diabetes

Megan Brooks

October 07, 2022

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center.

The COVID-19 pandemic fueled a sharp uptick in deaths related to chronic liver disease and cirrhosis among people with diabetes, largely owing to nonalcoholic fatty liver disease (NAFLD) and alcohol-related liver disease (ALD), new data show.

"Our observations confirm that COVID-19 had a higher likelihood of impacting vulnerable populations with pre-existing chronic liver diseases and diabetes, with a death rate as high as 10% in individuals with co-existing chronic liver disease and diabetes," write the authors.

"The inability to attend regular outpatient clinics for close monitoring and treatment accompanied by diversion of health care resources to COVID-19 care may have resulted in the suboptimal or delayed clinical care of individuals with diabetes and chronic liver disease during the COVID-19 pandemic," they add.

Donghee Kim, MD, PhD, with the Division of Gastroenterology and Hepatology, Stanford University School of Medicine, in Stanford, California, and colleagues report their findings in the journal Digestive and Liver Disease.

Vulnerable Group

The researchers used US national mortality data (2017–2020) to estimate chronic liver disease–related mortality trends among individuals with diabetes before and during the COVID-19 pandemic.

Before the pandemic, the quarterly mortality for chronic liver disease remained stable (quarterly percentage change [QPC], 0.6%) but then sharply increased during the pandemic (QPC, 8.6%).

A similar trend was seen with cirrhosis-related mortality (QPC, 0.3% before the pandemic vs 8.4% during the pandemic).

NAFLD and ALD mortality among individuals with diabetes was steadily increasing before the pandemic (QPC, 4.2% and 3.5%, respectively) but showed a more rapid increase during the pandemic (QPC, 9.6% and 7.7%, respectively).

ALD-related mortality in men was more than threefold higher than in women, while NAFLD-related mortality in women was more than twofold higher than in men.

Mortality for hepatitis C virus infection declined before the pandemic (QPC, −3.3%) and remained stable during the pandemic.

COVID-19–related mortality among adults with chronic liver disease and diabetes also rose sharply during the pandemic ― from 0.4% in the first quarter of 2020 to 12.9% in the last quarter of 2020 ― with no considerable difference between men and women.

Blame It on Lockdowns?

Kim and colleagues say research is needed to better understand the direct and indirect influence of COVID-19 on coexisting chronic liver disease and diabetes.

"It is plausible that psychosocial stress and a higher predisposition to psychiatric disorders during the COVID-19 pandemic can increase the risk of alcohol use disorder and ALD," they write.

"Furthermore, it is prudent to suspect that COVID-19–related lockdowns may increase the risk of obesity, leading to a higher risk of insulin resistance and metabolic complications, including diabetes and NAFLD.

"Future studies are needed to improve our understanding of these possible pathogenetic links. More importantly, emergency preparedness or contingency plans must be in place to continue and provide uninterrupted care for chronic ailments during times of disaster," they add.

The study had no specific funding. The authors report no relevant financial relationships.

Dig Liver Dis. Published online September 28, 2022. Full text

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