nocturnal penile tumescence


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nocturnal penile tumescence

Sexology The spontaneous erection of the penis during sleep occurring from birth to advanced old age, typically, 3 episodes/night, for a total of 2-3 hrs (!!!); NPT occurs during REM sleep and is accompanied by erotosexual dreams. See Postage stamp test.

nocturnal penile tumescence

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NPT

Erection occurring during sleep. In the normal male, erections during sleep begin in early childhood and continue to at least the eighth decade. The total time of NPT averages 100 minutes per night. In evaluating erectile dysfunction (ED), the presence of NPT suggests the patient has psychogenic rather than neurogenic or vascular ED.
References in periodicals archive ?
Long-term treatment of erectile dysfunction with a phosphodiesterase-5 inhibitor and dose optimization based on nocturnal penile tumescence. BJU Int 2008;101:1129-34.
Nocturnal penile tumescence. Urol Clin North Am 1988; 18:81-6.
New method for continuous measurements of nocturnal penile tumescence and rigidity.
Effects of chronic alcoholism on nocturnal penile tumescence. Psychol Med 1981; 43:423-9.
Key words: Audiovisual sexual stimulation; erectile dysfunction: nocturnal penile tumescence; penile erection; RigiScan.
As an objective, noninvasive measurement of the erectile activity, nocturnal penile tumescence (NPT) has been considered as the gold standard for differentiating psychogenic and organic erectile dysfunction (ED).
Nocturnal penile tumescence, AVSS: Audio visual sexual stimulation, SD: Standard deviation Table 2.
Comparative study between audiovisualsexual stimulation test and nocturnal penile tumescence test using RigiScan Plus in the evaluation of erectile dysfunction.
New method for continuous measurement of nocturnal penile tumescence and rigidity.

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