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How Too Much Drinking Harms the Liver
  • By Robert Preidt HealthDay Reporter
  • Posted April 16, 2022

How Too Much Drinking Harms the Liver

As Americans stepped up their drinking during the COVID-19 pandemic, liver disease and transplants surged.

Between March 2020 and January 2021, the number of U.S. patients with alcohol-associated liver disease who received a new liver or were wait-listed for a transplant was 50% higher than pre-pandemic projections, researchers say.

Alcohol-associated liver disease is now the leading reason for liver transplants in the United States.

"The general rule is more than two drinks a day for men, more than one drink a day for women puts you at risk," said Dr. Karen Krok. She is a gastroenterologist and hepatologist at the Penn State Health Milton S. Hershey Medical Center in Hershey, Pa.

Alcohol creates fatty deposits in the liver that eventually cause scarring (cirrhosis), which is one form of alcohol-associated liver disease.

Another is alcohol-associated hepatitis, which occurs when the liver becomes inflamed by drinking too much alcohol in a short time.

In the early stages of alcohol-associated liver disease, a person may have elevated levels of liver enzymes but may otherwise show no symptoms. Eventually, elevated liver enzymes can lead to jaundice, the yellowing of a person's eyes or skin.

Other symptoms include fluid buildup in the belly; dilated blood vessels in the esophagus that can bleed; and mental confusion caused by the buildup of toxins in the blood that would normally be removed by the liver.

If a person with alcohol-associated liver damage stops drinking, their symptoms can be treated with medication, the experts noted. But some patients require a liver transplant.

About 7,000 liver transplants are performed each year in the United States, and the average survival rate is 91% after one year and 75% after five years, according to a news release from Penn State Health.

Along with a patient being physically able to undergo a liver transplant, we "have to make sure the patient is going to follow medical recommendations and protect that organ," said Dr. Juan Arenas, chief of the division of transplant surgery at the Hershey Medical Center.

"Social support is very important in helping patients get through the hard times, come to appointments and stay away from the substance that has led to liver disease," he added.

More information

There's more on alcohol-related liver disease at the American Liver Foundation.

SOURCE: Penn State Health, news release, April 6, 2022

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