Adiponectin and long-term mortality in coronary artery disease participants and controls

Sébastien Hascoet1, Meyer Elbaz, Vanina Bongard

  • 1Department of Cardiology, Rangueil Hospital, 1 avenue Jean Poulhes, 31000 Toulouse, France. shascoet.cardiotoulouse@yahoo.fr

Insights

High serum adiponectin predicts mortality, especially from cardiovascular disease, in both coronary artery disease (CAD) patients and controls. This prognostic value is independent of CAD severity and metabolic status.

Area of Science:

  • Cardiology
  • Biomarkers
  • Epidemiology

Background:

  • Adiponectin possesses cardioprotective properties, but its role as a cardiovascular disease marker remains debated due to conflicting study results.
  • Previous research on adiponectin and cardiovascular outcomes has yielded inconsistent findings, necessitating further investigation.

Purpose of the Study:

  • To determine if serum adiponectin levels are associated with long-term mortality in individuals with stable coronary artery disease (CAD) and control subjects.
  • To evaluate the prognostic value of adiponectin considering varying degrees of CAD severity.

Main Methods:

  • A case-control design was employed with a median prospective follow-up of 8.1 years.
  • Serum adiponectin levels were measured in 715 CAD patients and 782 controls.
  • Statistical analyses included survival rate comparisons across adiponectin quartiles and multivariate adjustments.

Main Results:

  • Survival rates decreased significantly with increasing quartiles of serum adiponectin in CAD patients (P<0.001).
  • Higher adiponectin levels (≥9.1 µg/mL) were associated with lower survival rates in controls (P=0.035).
  • Elevated adiponectin concentrations predicted increased risk of total and cardiovascular disease mortality in both CAD patients and controls, even after adjustments.

Conclusions:

  • High serum adiponectin is a significant predictor of mortality, particularly cardiovascular disease mortality.
  • The prognostic significance of adiponectin persists regardless of coronary artery disease severity or metabolic status.
  • The association between high adiponectin and mortality risk does not differ between individuals with and without CAD.
Abstract

Related Concept Videos

Coronary Artery Disease IV: Preventive Measures01:26

Coronary Artery Disease IV: Preventive Measures

Effective preventive measures for coronary artery disease (CAD) focus on controlling modifiable risk factors, including cholesterol abnormalities and lifestyle changes.Cholesterol ManagementFirst, the Mediterranean diet and the American Heart Association advocate for maintaining low-density lipoprotein (LDL) cholesterol levels below 100 mg/dL, with a more stringent recommendation of below 70 mg/dL for individuals at high risk. LDL cholesterol, often termed "bad cholesterol," can lead to the...
Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
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...
Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
Coronary Artery Disease III: Clinical Manifestations01:30

Coronary Artery Disease III: Clinical Manifestations

Coronary Artery Disease (CAD) is a primary health risk worldwide, leading to significant morbidity and mortality. The condition arises from the buildup of atherosclerotic plaques within the coronary arteries, resulting in diminished blood supply to the heart muscle.The clinical manifestations of CAD vary widely, from asymptomatic stages to severe, life-threatening conditions. Understanding these manifestations is crucial for early diagnosis and effective management.Angina Pectoris: The Warning...
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...