Qin Daorui,Wang Xuejun,Mao Yu,et al.Application of limited volume reduction of dorsal navicular fossa during repairing hypospadias with a preservation of urethral plate[J].Journal of Clinical Pediatric Surgery,,21():13-17.[doi:10.3760/cma.j.cn.101785-202110036-003]
Application of limited volume reduction of dorsal navicular fossa during repairing hypospadias with a preservation of urethral plate
- Keywords:
- Hypospadias/SU; Reconstructive Surgical Procedures; Postoperative Complications; Treatment Outcome
- Abstract:
- Objective To explore the application and follow-up results of limited volume reduction of dorsal navicular fossa during repairing hypospadias with a preservation of urethral plate. Methods From January 2019 to April 2021, limited volume reduction of dorsal navicular fossa was employed for 64 hypospadiacs.Based upon an operative history or not, they were divided into two groups of initial treat and redo.Basic demographic profiles, preoperative status and surgical approaches were reviewed.Perioperative scores of hypospadias objective scoring evaluation (HOSE) for reoperated cases were recorded.Urodynamic study was performed at Month 3 post-operation.The incidence of complications was recorded.The perioperative changes of HOSE score were compared. Results All operations were successful.During a postoperative follow-up period of (6-24) months, the overall incidence of postoperative complications was 17.19% (10.00% in initial treat group versus 20.45% in redo group).There was no statistical difference (χ2=0.450, P=0.500).Urethral orifice presented the postoperative appearance of longitudinal fissure and urinary line showed a horizontal parabola.Qmax of initial treat and redo groups was (9.49±1.74) and (9.75±1.85) ml/s.There was no statistical difference (t=0.520, P=0.610).And HOSE score of initial treat group was (15.55±0.69); the score of redo group was (13.32±1.12) pre-operation and (15.55±0.76) post-operation.There was no statistically significant difference (t=0.001, P=0.980).The pre/post-operation difference of HOSE score was statistically significant in redo group (t=-11.600, P<0.001). Conclusion Limited volume reduction of dorsal navicular fossa is both safe and feasible for hypospadiacs.And it may improve the morphology of external urethra and direction of urinary flow.
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Memo
收稿日期:2021-09-14。
基金项目:国家自然科学基金青年基金（82101666）
通讯作者:唐耘熳,Email:hypospadias@126.com