期刊
INTERNATIONAL BRAZ J UROL
卷 34, 期 4, 页码 451-454出版社
BRAZILIAN SOC UROL
DOI: 10.1590/S1677-55382008000400007
关键词
genitourinary; catheter; urethra
Purpose Catheter-based medical devices are an important component of the urologic armamentarium To our knowledge, there is no population-based data regarding normal male urethral length. We evaluated the length of the urethra in men with normal genitourinary anatomy undergoing either Foley catheter removal or standard cystoscopy. Materials and Methods Male urethral length was obtained in 109 men. After study permission was obtained, the subject's penis was placed on a gentle stretch and the catheter was marked at the tip of the penis The catheter was then removed and the distance from the mark to the beginning of the re-inflated balloon was measured Alternatively, urethral length was measured at the time of cystoscopy, on removal of the cystoscope Data on age, weight, and height was obtained in patients when possible. Results. The mean urethral length was 22 3 cm with a standard deviation of 2.4 cm. Urethral length varied between 15 cm and 29 cm No statistically significant correlation was found between urethral length and height, weight, body mass index (BMI), or age Conclusions Literature documenting the length of the normal male adult urethra is scarce. Our data adds to basic anatomic information of the male urethra and may be used to optimize genitourinary device design.
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