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Related Concept Videos

Ischemic Heart Disease: Overview01:17

Ischemic Heart Disease: Overview

Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and narrowing...
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...
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...
Ischemic Stroke ll: Pathophysiology01:15

Ischemic Stroke ll: Pathophysiology

An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...
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...
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...

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An In Vivo Estrogen Deficiency Mouse Model for Screening Exogenous Estrogen Treatments of Cardiovascular Dysfunction After Menopause
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Women and ischemic heart disease: evolving knowledge.

Leslee J Shaw1, Raffaelle Bugiardini, C Noel Bairey Merz

  • 1Emory Program in Cardiovascular Outcomes Research and Epidemiology, Emory University School of Medicine, Atlanta, Georgia, USA.

Journal of the American College of Cardiology
|October 17, 2009
PubMed
Summary

Women experience more ischemic heart disease symptoms and adverse outcomes than men, despite lower rates of obstructive coronary artery disease. Research is needed to improve treatments for women, focusing on abnormal coronary reactivity and novel risk factors.

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Published on: April 17, 2021

Area of Science:

  • Cardiology
  • Sex Differences in Cardiovascular Disease
  • Women's Health

Background:

  • Emerging evidence highlights significant sex differences in coronary heart disease (CHD).
  • Women exhibit lower rates of obstructive coronary artery disease (CAD) but higher rates of myocardial ischemia and mortality compared to men.
  • This disparity suggests a need to differentiate women's cardiovascular conditions, proposing "ischemic heart disease" for discussion.

Purpose of the Study:

  • To propose the term "ischemic heart disease" for women, distinct from CAD or CHD, to better reflect their unique pathophysiology.
  • To explore the paradoxical presentation of lower anatomical CAD burden with higher ischemia and adverse outcomes in women.
  • To identify novel risk factors and evaluate current therapeutic strategies for women with cardiovascular disease.

Main Methods:

  • Review of evolving knowledge on sex differences in coronary heart disease.
  • Analysis of contrasting outcomes between men and women regarding obstructive CAD, ischemia, and mortality.
  • Consideration of novel risk factors (inflammatory markers, reproductive hormones) and diagnostic tools (imaging, functional capacity).

Main Results:

  • Women's adverse outcomes are linked to abnormal coronary reactivity, including microvascular dysfunction.
  • Despite increased risk with obstructive CAD, women receive guideline-indicated therapies less often than men.
  • In non-ST-segment elevation myocardial infarction, interventional strategies are effective in biomarker-positive women and men; conservative management is for biomarker-negative women.

Conclusions:

  • The current focus on obstructive CAD may explain worse outcomes in women, necessitating a broader approach.
  • Antianginal and anti-ischemic therapies can improve symptoms and quality of life in women with ischemia but no obstructive CAD.
  • Further research is crucial to develop targeted therapeutic regimens for women with ischemic heart disease to reduce symptom burden and risk.