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Sexual intercourse as a precipitating factor of transient global amnesia
M Okura1, H Nakayama, I Nagamine
1Department of Neuropsychiatry, University of Tokushima School of Medicine, Japan.
The Japanese Journal of Psychiatry and Neurology
|March 1, 1993
Summary
Transient global amnesia (TGA) can be triggered by sexual intercourse. This case report suggests a link between rapid blood pressure changes during sex and temporary brain ischemia, potentially causing TGA.
Area of Science:
- Neurology
- Neuroscience
- Vascular Neurology
Background:
- Transient global amnesia (TGA) is a distinct neurological condition characterized by sudden, temporary memory loss.
- The precise triggers for TGA remain incompletely understood, with various physical and emotional stressors implicated.
Observation:
- This report details a case of TGA in a Japanese female that occurred immediately following sexual intercourse.
- The patient experienced a typical amnesic episode consistent with TGA.
Findings:
- Sexual intercourse, involving significant physiological changes including elevated blood pressure, is proposed as the precipitating factor.
- A rapid drop in blood pressure post-coitus may lead to transient cerebral ischemia, particularly affecting the basilar artery distribution, explaining the TGA episode.
Implications:
- Sexual activity should be recognized as a potential trigger for transient global amnesia.
- Understanding these triggers can aid in patient counseling and potentially in the prevention of recurrent TGA episodes.