Bondil P, Louis J F, Daures J P, Costa P, Navratil H
Service d'Urologie-Andrologie, CHR Nîmes, Centre Gaston-Doumergue.
Ann Urol (Paris). 1990;24(5):373-7.
Extensibility, one of the main biomechanical functions of the penis, has been studied in 422 subjects. Preliminary results showed that a) the flaccid penis was extensible; b) this extensibility was significantly correlated with both age and erectile function. Thus, the more penile extensibility decreased, the more erectile function became impaired. This loss of extensibility is caused by fibrosis of the penis, that mainly affects the corpus cavernosa and, by reducing distensibility, impairs the vascular events involved in erection. Evaluation of the extensibility of the flaccid penis is a new, simple, no-invasive and reproducible clinical test. It contributes to the etiologic diagnosis of impotence by detecting tissular anomalies of the erectile corpora.
阴茎的主要生物力学功能之一——可伸展性，已在422名受试者中进行了研究。初步结果表明：a）疲软状态下的阴茎具有可伸展性；b）这种可伸展性与年龄和勃起功能均显著相关。因此，阴茎可伸展性下降越明显，勃起功能受损越严重。这种可伸展性的丧失是由阴茎纤维化引起的，阴茎纤维化主要影响海绵体，通过降低扩张性，损害勃起过程中涉及的血管活动。评估疲软状态下阴茎的可伸展性是一项新的、简单、无创且可重复的临床检查。它通过检测勃起组织的异常情况，有助于阳痿的病因诊断。
