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Related Concept Videos

Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test01:22

Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test

In clinical practice, the direct measurement of hepatic blood flow to evaluate liver function presents significant challenges due to the intricate and specialized nature of the necessary techniques. Consequently, healthcare professionals often rely on empirical estimates derived from thorough patient examinations and liver function tests to gauge liver health. Among the tools at their disposal, the Child–Pugh and MELD scoring systems stand out for their ability to categorize and assess the...
Blood Studies for Cardiovascular System III: Serum Lipid Profile01:25

Blood Studies for Cardiovascular System III: Serum Lipid Profile

Understanding serum lipids is crucial for maintaining cardiovascular health and preventing heart disease and stroke.
Serum lipids are fats and fatty substances in the blood and are crucial for various bodily functions, including energy storage, cellular structure, and hormone production. Serum lipids consist of cholesterol, triglycerides, and phospholipids.
Cholesterol is a soft, fat-like substance found in all body cells. It is crucial for producing hormones, vitamin D, and substances that aid...
Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
Effect of Hepatic Disease on Pharmacokinetics: Drug Dosing and Hepatic Blood Flow01:26

Effect of Hepatic Disease on Pharmacokinetics: Drug Dosing and Hepatic Blood Flow

Chronic liver disease significantly impacts drug metabolism due to alterations in hepatic blood flow and enzyme accessibility. This disruption affects the body's pharmacokinetics—the movement and processing of drugs within the system. Key enzymes crucial for metabolizing medications become less accessible, changing how drugs are processed and utilized. Furthermore, liver disease influences the synthesis of plasma proteins, such as albumin and globulins, which play critical roles in drug binding...
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
Liver Physiology01:30

Liver Physiology

The liver, an essential organ in the human body, performs over 200 vital functions that can be broadly categorized into metabolic, hematological, endocrine regulation, and bile production.
Metabolic Regulation:
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Exercise Test for Evaluation of the Functional Efficacy of the Pig Cardiovascular System
02:47

Exercise Test for Evaluation of the Functional Efficacy of the Pig Cardiovascular System

Published on: May 12, 2023

Liver function tests: Association with cardiovascular outcomes.

Yusuf Yilmaz1

  • 1Yusuf Yilmaz, Department of Gastroenterology, Marmara University, School of Medicine, Altunizade 34662, Istanbul, Turkey.

World Journal of Hepatology
|December 17, 2010
PubMed
Summary
This summary is machine-generated.

Nonalcoholic fatty liver disease is linked to heart disease. Gamma-glutamyltransferase (GGT) may aid cardiovascular risk assessment, but alanine aminotransferase (ALT)

Keywords:
Cardiovascular diseaseLiver function testsNonalcoholic fatty liver diseaseOutcomes

Related Experiment Videos

Last Updated: Jun 6, 2026

Exercise Test for Evaluation of the Functional Efficacy of the Pig Cardiovascular System
02:47

Exercise Test for Evaluation of the Functional Efficacy of the Pig Cardiovascular System

Published on: May 12, 2023

Area of Science:

  • Cardiology and Hepatology
  • Biomarkers and Disease Association

Background:

  • Nonalcoholic fatty liver disease (NAFLD) is increasingly recognized as a significant risk factor for cardiovascular disease (CVD).
  • Elevated liver enzymes, specifically gamma-glutamyltransferase (GGT) and alanine aminotransferase (ALT), have been investigated for their association with cardiovascular outcomes.
  • The predictive value of GGT for cardiovascular risk stratification is suggested, whereas the role of ALT in cardiac prognosis remains debated.

Purpose of the Study:

  • To explore the relationship between nonalcoholic fatty liver disease and cardiovascular disease.
  • To evaluate the potential roles of gamma-glutamyltransferase (GGT) and alanine aminotransferase (ALT) in cardiovascular risk stratification and prognosis.
  • To propose a comprehensive conceptual framework incorporating hepatocyte apoptosis markers for improved cardiovascular risk assessment in NAFLD patients.

Main Methods:

  • Review of existing epidemiological studies and clinical investigations focusing on liver enzymes and cardiovascular outcomes.
  • Analysis of data on gamma-glutamyltransferase (GGT) and alanine aminotransferase (ALT) levels in relation to cardiovascular events.
  • Consideration of emerging biomarkers, such as cytokeratin-18 fragments, indicative of hepatocyte apoptosis.

Main Results:

  • Repeated reports confirm an association between nonalcoholic fatty liver disease and cardiovascular disease.
  • Evidence suggests gamma-glutamyltransferase (GGT) may be a useful biomarker for stratifying cardiovascular risk.
  • The utility of alanine aminotransferase (ALT) for predicting cardiac prognosis is still under investigation and considered controversial.

Conclusions:

  • A strong link exists between nonalcoholic fatty liver disease and increased cardiovascular risk.
  • Gamma-glutamyltransferase (GGT) shows promise as a biomarker for cardiovascular risk stratification in NAFLD patients.
  • A broader conceptual framework, including markers of hepatocyte apoptosis like cytokeratin-18 fragments, is needed for a more accurate assessment of cardiac prognosis in the context of NAFLD.