Bearing allostatic load: insights into a more equitable future within cardio-oncology

Matthew Barrett1, Nicholas S Wilcox1, Anran Huang1

  • 1Division of Cardiology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.

Insights

Chronic stress contributes to disease, but the mechanisms are unclear. Allostatic load, a measure of stress burden, may link stress to cardiovascular disease, cancer, and health disparities, offering a tool for cardio-oncology patient care.

Area of Science:

  • Physiology
  • Pathogenesis
  • Health Equity

Background:

  • Chronic stress is a major contributor to illness and death.
  • The precise mechanisms linking stress to disease are not fully understood.
  • Allostatic load quantifies the physiological impact of chronic stress.

Purpose of the Study:

  • To explore allostatic load's role in disease pathogenesis.
  • To examine its relevance to cardiovascular disease, cancer, and health disparities.
  • To consider its implications for cardio-oncology patient care and research.

Main Methods:

  • Conceptual framework development.
  • Literature review and synthesis.
  • Exploration of allostatic load as a clinical tool.

Main Results:

  • Allostatic load provides a framework for understanding stress-related disease.
  • It connects chronic stress to cardiovascular disease, cancer, and health disparities.
  • It has potential applications in cardio-oncology.

Conclusions:

  • Allostatic load is a key factor in stress-related morbidity and mortality.
  • It offers a measurable link between chronic stress and major diseases.
  • Allostatic load can be a clinically actionable tool to advance health equity in cardio-oncology.

Related Concept Videos

Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
1.5K
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...
28
Pathophysiology of Cardiac Performance01:29

Pathophysiology of Cardiac Performance

Typical heart performance is influenced by heart rate, rhythm, myocardial contraction, and metabolism or blood flow. The cardiac muscle exhibits distinct electrophysiological features, including pacemaker activity and calcium channel control, which play a vital role in the heart's response to various drugs. The autonomic nervous system, comprising the sympathetic and parasympathetic branches, regulates heart rate. Sympathetic activation increases heart rate, while parasympathetic activation...
781
Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...
21
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...
37
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...
285