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Related Experiment Videos

Gender-related differences in clinical management after exercise nuclear testing

R Hachamovitch1, D S Berman, H Kiat

  • 1Department of Imaging (Division of Nuclear Medicine), Cedars-Sinai Medical Center, Los Angeles, California 90048, USA.

Journal of the American College of Cardiology
|November 15, 1995
PubMed
Summary

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Gender-based referral bias to cardiac catheterization is eliminated when accounting for myocardial ischemia severity. However, women with severe ischemia are underreferred compared to men, indicating a need for better risk identification in this group.

Area of Science:

  • Cardiology
  • Nuclear Medicine
  • Medical Imaging

Background:

  • Disputed gender differences in coronary artery disease management.
  • Previous studies suggest gender disparities in clinical practice.

Purpose of the Study:

  • Determine gender-specific referral rates to cardiac catheterization.
  • Assess referral patterns based on myocardial ischemia severity from nuclear imaging.

Main Methods:

  • Examined 3,211 patients (1,074 women, 2,137 men) undergoing exercise nuclear imaging.
  • Follow-up for cardiac events and referral to catheterization/revascularization within 60 days.
  • Used logistic regression to identify referral predictors and gender's role.

Main Results:

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  • Men referred more often initially (10.6% vs 7.1%), but no difference existed when stratified by ischemia severity.
  • In severe ischemia, women had higher referral rates (clinically appropriate due to higher event rates).
  • Gender did not add predictive information for referral when perfusion abnormalities were considered.

Conclusions:

  • No gender referral bias when adjusting for perfusion scan abnormalities.
  • Women with severe ischemia were underreferred relative to men, despite higher cardiac event rates.
  • Need for improved identification of high-risk women for cardiac interventions.