EXAMINATION OF IMPOTENCE BY RECORDING PHYSIOLOGICAL REACTION SEXUAL STIMULATION

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  • 勃起不全の診断 : 第5報 Sexual stimulationに対する陰茎周増大率と生理反応の同時測定による勃起機能検査

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Several reports have been published regarding the possible method of recording erotic erection for diagnosis of impotence (IMP). With a view to establish a standard diagnostic method, we performed in total 42 audiovisual sexual stimulation (AVSS) tests on 11 healthy adults and measured the resulting penile changes. Electroencephalogram, respiratory waves, blood pressure, galvanic skin reflex (GSR), and bulbocavernosus muscle electromyography were recorded. The results are follows: 1) There was no corerelation between penile circumference and penile temperature as measured with a mercury strain gauge. Therefore, penile temperature, which is usually measured in AVSS test, was considered inappropriate as a variable for IMP diagnosis. 2) In healthy adults, there was a positive correlation between penile circumference and systolic blood pressure, diastolic blood pressure, GSR, respiratory rate, or respiratory depth. 3) We assigned points to those variables which showed some correlation and used the points to determine a sexual stimulation score (SSS). In normal subjects. SSS correlated with penile circumference in accordance with the following formula: y=3.2x+11.6 r=0.7742 p<0.01. 4) If the SSS of a patient rose above 3, the stimulation was judged effective. A patient was judged normal if his SSS was more than 3 and his penile circumference was at least 90% of the normal adult circumference when stimulated. Our AVSS test using SSS ensured great accuracy because response to stimulation can be objectively measured. This may be especially useful for IMP diagnosis.

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