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  • Title: The role of nocturnal penile tumescence and rigidity monitoring in the evaluation of impotence.
    Author: Shvartzman P.
    Journal: J Fam Pract; 1994 Sep; 39(3):279-82. PubMed ID: 8077907.
    Abstract:
    The inability to achieve or maintain an erection of sufficient rigidity to perform sexual intercourse is a problem that affects between 10% and 20% of men at some time during their lives. Historically, the evaluation of impotence has been limited to history and psychological assessment. Nocturnal penile tumescence (NPT) monitoring is a procedure that can be used in the evaluation of impotence. Performed with appropriate measurement techniques and knowledge of the recording conditions and combined with a complete and accurate sexual history, NPT monitoring is the most effective noninvasive method of determining whether the underlying cause is organic or psychogenic.
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