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Related Experiment Videos

Cardiovascular response to sexual activity.

R A Stein1

  • 1Health Science Center at Brooklyn, State University of New York, Brooklyn, New York, USA.

The American Journal of Cardiology
|July 19, 2000
PubMed
Summary

Sexual activity poses a moderate cardiovascular "stress," with a low absolute risk of triggering myocardial infarction (MI). For patients with coronary artery disease, sexual intercourse presents a smaller risk than vigorous physical activity.

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Area of Science:

  • Cardiology
  • Sexual Medicine

Background:

  • Cardiovascular response to coitus is clinically relevant, particularly with improved erectile dysfunction treatments enabling older men to resume sexual activity.
  • Previous studies indicated near-maximum exercise levels during coitus, but newer research suggests lower cardiovascular responses.

Purpose of the Study:

  • To evaluate the cardiovascular response to sexual activity.
  • To assess the risk of acute cardiac events associated with coitus, especially in men with coronary artery disease.

Main Methods:

  • Review of early studies on cardiovascular responses during coitus.
  • Analysis of ambulatory electrocardiographic recordings during coitus in men with coronary artery disease.
  • Examination of data from the ONSET study on myocardial infarction triggers.

Main Results:

  • Coitus elicits cardiovascular responses (heart rate, blood pressure) within the moderate activity range for men with coronary artery disease.
  • Myocardial oxygen demand during coitus is comparable to moderate daily activities.
  • The ONSET study showed coitus as a low absolute risk, but with a 2.5-fold increased relative risk for triggering myocardial infarction.

Conclusions:

  • Sexual intercourse generally represents a moderate cardiac stressor, with responses impacting myocardial oxygen requirement being less than vigorous physical activity.
  • In patients with coronary artery atherosclerosis, coitus poses a smaller risk of triggering acute myocardial infarction compared to intense emotional responses or strenuous exercise.

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