QIN Daorui , TANG Yunman , WANG Xuejun , MAO Yu , CHEN Shaoji , CHEN Yuejiao
  • Department of Pediatric Surgery of Children’s Medical Center, Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital, Affiliated Hospital of University of Electronic Science and Technology of China, Chengdu Sichuan, 610072, P.R.China;
TANG Yunman, Email: hypospadias@126.com
Hypospadias; cavernosum reduction technology; glanuloplasty
10.7507/1002-1892.201801135
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Objective  To investigate the application of cavernosum reduction technology in glanuloplasty during the repair of moderate-severe hypospadias and evaluate the effectiveness. Methods  The clinical data of 192 patients with moderate-severe hypospadias between November 2015 and May 2017 were retrospectively analyzed. Among them, 103 patients were treated with the cavernosum reduction technology in glanuloplasty during the repair (observation group), 88 patients were treated with repair and glanuloplasty without the cavernosum reduction technology (control group). There was no significant difference in maximum transverse diameter of glans and the height of glans between 2 groups (t=1.652, P=0.152; t=1.653, P=0.077). The length of reconstructed urethra, complications (e.g. glans dehiscence and fistula), and the maximum flow rate at 3 months after operation in 2 groups were recorded. Results  The length of reconstructed urethra were (35.51±7.79) mm in observation group and (32.17±6.37) mm in control group. In observation group, the meatus location after the correction of chordee was proximal in 24 cases and scrotum-perineum in 79 cases. In control group, the meatus location after the correction of chordee was proximal in 21 cases and scrotum-perineum in 67 cases. There was no significant difference in the meatus location between 2 groups (χ2=0.008, P=0.920). All patients were followed up 6-12 months after operation (mean, 9 months). There were 3 cases of urethral fistula, 2 cases of glans dehiscence, and 3 cases of urethral orifice stricture in observation group, with the incidence of complications of 7.8%. There were 7 cases of urethral fistula, 3 cases of glans dehiscence, and 4 cases of urethral orifice stricture in control group, with the incidence of complications of 15.9%. There was a significant difference in the incidence of complications between 2 groups (χ2=4.027, P=0.040). The appearance of the penis was satisfactory, and the urethral orifice was fissured, which was close to the appearance of the normal urethral orifice. At 3 months after operation, the maximal flow rates were (6.23 ± 0.54) mL/s in observation group and (5.44±0.92) mL/s in control group. There was significant difference in the maximum flow rate between 2 groups (t=1.653, P=0.000). Conclusion  Cavernosum reduction technology being applied in the repair of moderate-severe hypospadias can reduce the probability of glans dehiscence, urethral fistula, urethrostenosis, and other postoperative complications, and improve the success and satisfaction of surgery.

Citation： QIN Daorui, TANG Yunman, WANG Xuejun, MAO Yu, CHEN Shaoji, CHEN Yuejiao. Application of cavernosum reduction technology in glanuloplasty during repair of moderate-severe hypospadias. Chinese Journal of Reparative and Reconstructive Surgery, 2018, 32(11): 1454-1457. doi: 10.7507/1002-1892.201801135 Copy

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