The Chronicle Herald (Metro)

Dying to be seen

Why women’s risk for heart disease and stroke is still higher than men’s in Canada

- JACQUIE GAHAGAN SHANNON M. GRANT THECONVERS­ATION.COM Jacquie Gahagan is full professor and associate vicepresid­ent, research, Mount Saint Vincent University; Shannan M. Grant is associate professor, registered dietitian, department of applied human nutrit

Everyone has a role to play in advocating for women’s heart health.

Heart disease affects 2.6 million Canadians, and is the second-leading cause of death in Canada. Women continue to be at higher risk than men.

Heart and Stroke Canada has released a new report for Heart Health Month in February. It highlights several disparitie­s women continue to experience in the prevention and treatment of heart attack and stroke, in comparison to other Canadians. According to this report, women are generally unaware of their individual risk and risk factors, and are often underdiagn­osed and under-treated.

This is despite heart disease and stroke being a key cause of premature death for women in Canada. Approximat­ely 50 per cent of women who experience a heart attack had symptoms that went unrecogniz­ed.

This report also reminds us that these health outcomes are not always under the control of the individual, highlighti­ng the role clinical and social determinan­ts of health (which include health care, food insecurity, housing precarity, race/racism, gender and sexism) play in this disease process.

Two-thirds of clinical research has historical­ly excluded women as research participan­ts, or ignored the various factors that intersect with sex and gender in terms of disease risk or interventi­on evaluation. The absence of women in heart-related research continues to have lifealteri­ng effects on the lives of women throughout Canada and their communitie­s.

SEX, GENDER AND THE HEART

When it comes to heart health, it is important to note that there is significan­t evidence that biological and social difference­s between women, men, girls, boys and gender-diverse people contribute to difference­s in their overall health and experience­s of disease.

Sex (biological attributes) and gender (sociocultu­ral factors) influence our risk of developing diseases, how well we access and respond to medical treatments and how often we attempt to seek health care. Currently, several funding agencies, including the Canadian Institutes of Health Research (CIHR, a Tri-council Funding Program), expect researcher­s to integrate sex and gender into their research design, including methodolog­ies and data analysis where appropriat­e.

Despite this, sub-population­s of women who are more likely to experience the effects of poor heart health are still not being seen in research studies, public health campaigns and clinical settings. This invisibili­ty is killing them.

For instance, on the Heart and Stroke Canada website’s page on women’s unique risk factors for heart disease and stroke, specific attention is given to the role of estrogen, oral contracept­ives, pregnancy, menopause and “modifiable risks” like diet (not always as modifiable as we like to think).

These communicat­ions, and data used to develop them, clearly rely on empirical medical research. However, they may miss the mark in terms of representi­ng the unique risks, needs and experience­s of sub-population­s of diverse women like lesbians, bisexual women and transgende­r individual­s. If these sub-population­s are not purposeful­ly included in research protocols, the resultant data may not reflect their unique experience­s and related risks for poor heart health.

There are establishe­d and intersecti­ng axes of oppression that impact heart health, assessment and treatment of cardio-metabolic conditions, including the success of treatment and prevention measures. For instance, risk prevention for stroke is affected by a variety of intersecti­ng factors including race, income and stress caused by lifelong and systematic discrimina­tion and harassment.

Current evidence supports collective­ly committing to critical reflection on the developmen­t, implementa­tion and evaluation of interventi­ons, programs, campaigns, communicat­ion and education, as well as the need to better represent the narratives of the outliers.

As advocated by the CIHR, and in particular the CIHR Institute of Gender and Health, advances are being made in terms of changes to research study protocols including sex- and gender-based analysis of data and in reporting of key findings.

The government of Canada in partnershi­p with a number of health research organizati­ons such as Heart and Stroke Canada is pushing for more attention to how both sex and gender uniquely and intersecti­onally affect heart health. These efforts are instrument­al in how, for example, heart and stroke data repositori­es reflect the diverse needs and realities facing Canadian women. They also advance our collective understand­ing and approaches to addressing heart and stroke inequities.

Everyone has a role to play in advocating for women’s heart health. For example, by pushing for changes in clinical and research practices, in heart health promotion campaigns that reflect the diversity of women in Canada, and by ensuring that women are rendered visible in the process.

 ?? UNSPLASH ?? The absence of women in heart-related research continues to have life-altering effects on the lives of women and their communitie­s.
UNSPLASH The absence of women in heart-related research continues to have life-altering effects on the lives of women and their communitie­s.

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