Serum leptin levels in acute myocardial infarction

V Jacob Jose1, P Mariappan, Paul V George

  • 1Department of Cardiology, Christian Medical College, Vellore.

Indian Heart Journal
|April 28, 2005
PubMed

Insights

Serum leptin levels are elevated in patients with acute ST-segment elevation myocardial infarction (STEMI). This finding suggests leptin may play a role in heart attacks, warranting further investigation into its cardiovascular implications.

Area of Science:

  • Cardiology
  • Endocrinology
  • Biochemistry

Background:

  • Serum leptin levels are linked to cardiovascular diseases.
  • Leptin, a hormone regulating appetite and metabolism, influences various physiological processes, including cardiovascular function.
  • Previous research indicates a correlation between leptin and heart conditions.

Purpose of the Study:

  • To investigate serum leptin levels in patients experiencing acute ST-segment elevation myocardial infarction (STEMI).
  • To determine if elevated leptin is associated with acute myocardial infarction.

Main Methods:

  • A case-control study involving 94 patients with acute STEMI and 46 controls.
  • Serum leptin levels were measured and compared between STEMI patients and controls.
  • Multivariate analysis was used to assess the association between leptin and myocardial infarction.

Main Results:

  • Patients with acute STEMI exhibited significantly higher serum leptin levels (6.51 +/- 6.76 ng/ml) compared to controls (2.86 +/- 2.22 ng/ml).
  • An odds ratio of 1.45 (95% CI: 1.2-1.8) indicated a positive association between serum leptin and myocardial infarction.
  • The study included patients with anterior, inferior, or combined wall myocardial infarction.

Conclusions:

  • Serum leptin levels are elevated in individuals with acute ST-segment elevation myocardial infarction.
  • Elevated leptin may serve as a potential biomarker or contribute to the pathophysiology of acute myocardial infarction.
Abstract

Related Concept Videos

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...
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...
Myocarditis II: Clinical Features and Diagnostic Tests01:27

Myocarditis II: Clinical Features and Diagnostic Tests

Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
Acute Coronary Syndrome I: Introduction01:30

Acute Coronary Syndrome I: Introduction

Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...