International journal of urology : official journal of the Japanese Urological Association · 2022
Significant inverse association of testosterone level with penile deformity severity in Japanese males with Peyronie's disease.
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Mitsui Yozo, Yamabe Fumito, Hori Shunsuke, Uetani Masato, Aoki Hiroshi, Sakurabayashi Kei, Okawa Mizuho, Kobayashi Hideyuki, Nakajima Koichi, Nagao Koichi
Аннотация
OBJECTIVES: We evaluated the relationship between penile curvature and testosterone in Peyronie's disease patients treated in Japan.
METHODS: Data were obtained from 109 patients with Peyronie's disease treated with surgery at our hospital between April 2004 and December 2019. Penile deformity assessment was based on findings of a rigid erection induced by intracavernosal injection. Low total testosterone level was defined as <300 ng/dl. Patients were divided into two groups according to curvature severity (I, <60°; II ≥60°), then clinical factors including total testosterone were compared. Uni- and multivariate logistic regression analyses were performed to identify factors predicting severe penile deformity (≥60°).
RESULTS: For all patients, mean total testosterone was 469 ng/dl and median curvature was 50°, with a significant inverse correlation found between curvature and testosterone level (p < 0.0001). Group I and II patients numbered 55 and 54, respectively. Mean total testosterone for Group II was 397 ng/dl, significantly lower than Group I (539 ng/dl). Median curvature in 15 patients with a low testosterone level was 80°, significantly higher than those with a normal testosterone range (50°). Univariable and multivariable logistic regression analysis indicated total testosterone, follicle stimulating hormone, and C-reactive protein as significant factors correlated with severe penile deformity, among which total testosterone was most relevant.
CONCLUSION: The present findings confirmed that penile deformity severity is correlated with testosterone level in Japanese males with Peyronie's disease.
METHODS: Data were obtained from 109 patients with Peyronie's disease treated with surgery at our hospital between April 2004 and December 2019. Penile deformity assessment was based on findings of a rigid erection induced by intracavernosal injection. Low total testosterone level was defined as <300 ng/dl. Patients were divided into two groups according to curvature severity (I, <60°; II ≥60°), then clinical factors including total testosterone were compared. Uni- and multivariate logistic regression analyses were performed to identify factors predicting severe penile deformity (≥60°).
RESULTS: For all patients, mean total testosterone was 469 ng/dl and median curvature was 50°, with a significant inverse correlation found between curvature and testosterone level (p < 0.0001). Group I and II patients numbered 55 and 54, respectively. Mean total testosterone for Group II was 397 ng/dl, significantly lower than Group I (539 ng/dl). Median curvature in 15 patients with a low testosterone level was 80°, significantly higher than those with a normal testosterone range (50°). Univariable and multivariable logistic regression analysis indicated total testosterone, follicle stimulating hormone, and C-reactive protein as significant factors correlated with severe penile deformity, among which total testosterone was most relevant.
CONCLUSION: The present findings confirmed that penile deformity severity is correlated with testosterone level in Japanese males with Peyronie's disease.