What does an elevated alanine transaminase (ALT) level indicate?

Jan 03, 2025 Source: Cainiu Health

Dr. Gao Jun

Introduction

Under normal circumstances, "Bingzhuan'angan" (丙转氨酶) refers to alanine aminotransferase (ALT). Elevated levels of alanine aminotransferase indicate damage to liver cells and suggest that inflammation may have occurred in the liver. It is advisable to maintain a healthy lifestyle, avoid excessive fatigue, ensure adequate sleep, and reduce the frequency of staying up late and alcohol consumption to alleviate the burden on the liver.

Generally, ALT refers to alanine aminotransferase. Elevated levels of alanine aminotransferase indicate damage to liver cells and suggest possible inflammation in the liver. A detailed explanation is as follows:

Alanine aminotransferase is an important indicator in liver function tests. When liver cells are damaged, alanine aminotransferase is released from the liver cells into the bloodstream, causing its concentration in the blood to rise. This situation may be caused by various factors such as viral hepatitis, fatty liver, cirrhosis, alcoholic liver disease, and drug-induced liver injury. Additionally, physiological factors such as strenuous exercise, alcohol consumption, and staying up late may also lead to temporary increases in alanine aminotransferase levels.

Maintaining a healthy lifestyle is important. Avoid excessive fatigue, ensure adequate sleep, and reduce the frequency of staying up late and alcohol consumption to decrease the burden on the liver. At the same time, eating more fresh vegetables and fruits while reducing the intake of greasy, high-calorie, and high-fat foods can help maintain normal liver function.

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In general, an elevated level of alanine aminotransferase (ALT) refers to a test result higher than the normal range in the blood. ALT is a commonly used clinical indicator for evaluating liver cell function. It primarily exists in the cytoplasm of liver cells and is an enzyme involved in amino acid metabolism within the body. Strenuous exercise, long-term sleep deprivation, excessive alcohol consumption, and other factors may potentially cause a temporary increase in ALT levels.

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What is the normal value of alanine aminotransferase (ALT)?

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What does it mean when transaminase and alanine transaminase levels are high?

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