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Differences in management of suspected myocardial infarction in men and women
1Department of Family Practice, University of Michigan Medical Center, Ann Arbor 48109-0708.
Insights
Women with suspected heart attacks receive less aggressive non-invasive treatment compared to men. This suggests physicians may perceive women
Area of Science:
- Cardiology
- Medical Treatment Disparities
- Health Outcomes Research
Background:
- Existing research indicates men with ischemic heart disease (IHD) receive more aggressive and earlier interventions than women.
- Previous studies focused on invasive treatments, with invasive procedures potentially being less effective for women.
- The current study investigates non-invasive treatment differences between sexes for IHD.
Purpose of the Study:
- To retrospectively analyze patient data from a community hospital to understand treatment allocation for suspected acute myocardial infarction (AMI).
- To determine factors influencing placement in a cardiac care unit (CCU) versus telemetry beds.
- To examine the role of patient age, sex, physician sex, and ischemia likelihood (using the Acute Ischemic Heart Disease Predictive Instrument - HDPI) in treatment decisions.
Main Methods:
- Retrospective evaluation of 93 patients admitted for suspected AMI between July 1988 and June 1989.
- Analysis of variables including patient age, patient sex, physician sex, and HDPI scores.
- Statistical analysis to determine the probability of CCU placement based on these variables.
Main Results:
- Patient age, sex, and HDPI score significantly correlated with CCU placement probability.
- Women were significantly less likely than men to be admitted to the CCU, even after controlling for age and ischemia likelihood (Odds Ratio = 0.362).
- This finding suggests a difference in the urgency of treatment allocation based on sex.
Conclusions:
- Women with suspected IHD receive less aggressive non-invasive treatment compared to men.
- The observed differences may stem from physicians perceiving women's symptoms with less urgency.
- This could indicate either unnecessary aggressive treatment for men or undertreatment for women, warranting further investigation into sex-based disparities in cardiac care.
Background:
Men and women with ischemic heart disease receive different medical treatment. Men receive more aggressive intervention and at an earlier stage of disease. However, differences in treatment between sexes have thus far been demonstrated only for invasive treatment, which may be less effective for women than for men.
Methods:
In a small community hospital, all patients admitted to the family practice service for suspected acute myocardial infarction from July 1988 to June 1989 were evaluated retrospectively to determine the reasons for placement in the cardiac care unit (CCU) vs regular nursing bed units with telemetry. The variables considered were patient age, patient sex, physician sex, and the likelihood of ischemia based on the Acute Ischemic Heart Disease Predictive Instrument (HDPI).
Results:
Ninety-three patients were entered in the study. The patient's age, sex, and likelihood of ischemia as measured by HDPI score were significantly related to probability of placement in the CCU. Women were less likely than men to be placed in the CCU, controlling for age and likelihood of ischemia (OR = 0.362, 95% CI = 0.135 to 0.977).
Conclusions:
Women appear to receive not only less intensive invasive treatment for ischemic heart disease than men, as previous studies have shown, but also less aggressive noninvasive treatment. This may represent unnecessary treatment of men rather than undertreatment of women. The findings of this study suggest, however, that physicians view women presenting with suspected acute myocardial infarction with less urgency than men presenting with similar symptoms.