Cardiac aging and heart disease in humans
Related Experiment Video
Updated: Mar 2, 2026

Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery
Published on: February 20, 2017
Marja Steenman1, Gilles Lande2
1l'institut du thorax, INSERM, CNRS, UNIV Nantes, Nantes, France. marja.steenman@inserm.fr.
Insights
As people age, the heart undergoes changes that increase the risk of cardiovascular diseases like heart failure and atrial fibrillation. Understanding cardiac aging is key to improving prevention and patient care.
Area of Science:
- Cardiology
- Gerontology
- Molecular Biology
Background:
- Global population is aging rapidly due to increased longevity and declining fertility.
- Age is the primary risk factor for cardiovascular diseases (CVDs).
- Prevalence of cardiac pathologies significantly increases with age.
Purpose of the Study:
- To provide an overview of age-related changes in the heart.
- To analyze functional, structural, cellular, and molecular changes associated with cardiac aging.
- To identify common processes linking cardiac aging to age-associated cardiac pathologies.
Main Methods:
- Review and analysis of existing literature on cardiac aging.
- Examination of changes across four levels: functional, structural, cellular, and molecular.
- Comparison of age-related cardiac changes with pathophysiology of heart failure and atrial fibrillation.
Main Results:
- Identified specific functional, structural, cellular, and molecular alterations in the aging heart.
- Highlighted shared pathways between normal cardiac aging and age-related cardiac diseases.
- Demonstrated a correlation between aging processes and increased risk for heart failure and atrial fibrillation.
Conclusions:
- Understanding the multifaceted changes in cardiac aging is crucial for advancing cardiovascular health in older adults.
- Commonly affected processes in cardiac aging and pathophysiology offer insights into the age-related risk factor for cardiac disease.
- This overview provides a foundation for developing targeted interventions for age-related cardiac conditions.
Abstract:
The world population continues to grow older rapidly, mostly because of declining fertility and increasing longevity. Since age represents the largest risk factor for cardiovascular disease, the prevalence of these pathologies increases dramatically with increasing age. In order to improve patient care and prevention for age-related cardiac diseases, insight should be gained from the analysis of processes involved in and leading to cardiac aging. It is from this perspective that we provide here an overview of changes associated with age in the heart on four levels: functional, structural, cellular and molecular. We highlight those changes that are in common with the development of the two major age-associated cardiac pathologies: heart failure and atrial fibrillation. These commonly affected processes in aging and cardiac pathophysiology may provide an explanation for the age risk factor in cardiac disease.
Related Concept Videos
The Effect of Aging on Tissues
Aging
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Heart Failure I: Introduction
Pathophysiology of Heart Failure
Coronary Artery Disease I: Introduction
Heart Failure II: Pathophysiology

