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Optimizing Risk Stratification and Noninvasive Diagnosis of Ischemic Heart Disease in Women
Habibat A Garuba1, Fernanda Erthal2, Ellamae Stadnick1
1Division of Cardiology, University of Ottawa Heart Institute, Ottawa, Ontario, Canada.
Insights
Ischemic heart disease (IHD) in women presents unique challenges due to differences in pathophysiology and risk factors. Current diagnostic methods often fail women, necessitating updated guidelines and tailored approaches for accurate diagnosis and prognosis.
Area of Science:
- Cardiology
- Women's Health
- Diagnostic Medicine
Background:
- Ischemic heart disease (IHD) is a significant cause of morbidity and mortality in women, yet it is often underappreciated.
- Women exhibit distinct pathophysiology, sex-specific risk factors, and clinical presentations compared to men, impacting diagnostic accuracy.
- Microvascular dysfunction is a prevalent cause of ischemia in women, often presenting with less obstructive coronary artery disease on angiography, challenging conventional diagnostic methods.
Purpose of the Study:
- To review the utility, evidence, and challenges of current risk assessments and noninvasive cardiac diagnostic tests in women with suspected IHD.
- To propose an approach for investigating symptomatic women with suspected IHD and selecting appropriate testing modalities.
- To identify future research opportunities and emphasize the need for updated, evidence-based Canadian guidelines for IHD in women.
Main Methods:
- Review of existing literature on risk assessments and noninvasive cardiac diagnostic tests in women.
- Analysis of sex-specific differences in IHD pathophysiology, risk factors, and clinical presentation.
- Development of a proposed investigative approach for symptomatic women with suspected IHD.
Main Results:
- Conventional diagnostic methods, focused on epicardial stenoses, are less effective in women due to a higher prevalence of microvascular dysfunction.
- Current risk assessments and noninvasive tests have limitations in accurately diagnosing IHD in women.
- A tailored approach to diagnostic testing is needed to address the unique aspects of IHD in the female population.
Conclusions:
- There is a critical need for updated, evidence-based Canadian guidelines specifically addressing IHD in women.
- Future research should focus on improving diagnostic accuracy and understanding the nuances of IHD in women.
- A sex-specific approach to risk assessment and noninvasive testing is essential for the timely and accurate diagnosis of IHD in women.
Abstract:
Ischemic heart disease (IHD) is an important and previously underappreciated cause of significant morbidity and mortality in women. Key differences exist in the pathophysiology, sex-specific risk factors, and clinical presentation in women compared with men, which influence diagnostic accuracy and utility of pretest risk assessments and noninvasive testing. Women are disproportionately affected by ischemia from microvascular dysfunction as evidenced by having less obstructive coronary artery disease on angiography, contributing to the challenge in diagnosis and prognosis of IHD in women via conventional methods, which tend to emphasize detection of epicardial stenoses. In this article, we review the utility, evidence for, and challenges of currently available risk assessments and noninvasive cardiac diagnostic tests in women. We propose an approach to investigation of the symptomatic woman with suspected IHD and selection of the appropriate testing modality. Finally, we explore opportunities for future research and highlight the urgent need for updated, evidence-based, Canadian guidelines specific to women with IHD.
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