Gender differences in cardiac hypertrophic remodeling

Mario Patrizio1, Giuseppe Marano1

  • 1Dipartimento del Farmaco, Istituto Superiore di Sanità, Rome, Italy.

Insights

Gender significantly influences cardiac remodeling after injury, with males exhibiting greater responses than females. Estrogen may play a protective role, but underlying mechanisms require further investigation.

Area of Science:

  • Cardiovascular Biology
  • Pathophysiology
  • Endocrinology

Background:

  • Cardiac remodeling is a cellular and molecular response to cardiac injury, involving multiple cell types and leading to adverse outcomes.
  • Sex differences in cardiovascular disease prevalence and outcomes are well-documented, suggesting a role for gender in cardiac remodeling.
  • Existing research indicates males generally exhibit more pronounced cardiac remodeling than females.

Purpose of the Study:

  • To review and synthesize current literature on the influence of gender on pathological cardiac remodeling.
  • To elucidate how sex differences impact clinical outcomes and therapeutic responses in cardiac remodeling.
  • To explore the potential role of estrogens in mitigating adverse cardiac remodeling.

Main Methods:

  • Comprehensive literature review of studies investigating gender-based differences in cardiac remodeling.
  • Analysis of research focusing on pathological cardiac remodeling following ischemia and hypertension.
  • Examination of studies exploring the effects of sex hormones, particularly estrogens, on myocardial remodeling.

Main Results:

  • Males typically display greater cardiac remodeling responses compared to females following cardiac injury.
  • Sex differences contribute to varied clinical outcomes and therapeutic efficacies in cardiac remodeling.
  • Estrogens show potential in attenuating adverse cardiac remodeling, though specific mechanisms are not fully understood.

Conclusions:

  • Gender is a critical determinant of pathological cardiac remodeling and subsequent clinical outcomes.
  • Further research is needed to identify the precise mechanisms by which gender modulates myocardial remodeling.
  • Understanding these sex differences is crucial for developing sex-specific therapeutic strategies for cardiovascular diseases.

Related Concept Videos

Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
1.3K
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
636
Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
4.4K
Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
591