Wilson Steven K, Mora-Estaves Cesar, Egydio Paulo, Ralph David, Habous Mohamad, Love Christopher, Shamsodini Ahmad, Valenzuela Robert, Yafi Faysal A
Institute for Urologic Excellence, La Quinta, CA.
Penile Curvature Center, São Paulo, Brazil.
Urology. 2017 Sep;107:144-148. doi: 10.1016/j.urology.2017.06.020. Epub 2017 Jun 23.
To examine possible etiology and treatment outcomes in 21 patients with glans necrosis following penile prosthesis implantation.
Glans necrosis typically presented with a dusky glans on the first postoperative day following prosthesis implantation.
The blood supply to the glans penis consists of the dorsal arteries and the terminal branches of the spongiosal arteries. Using the cohort in our study, we compiled preoperative comorbidities and adjunctive surgical maneuvers that might compromise glans vascularity, leading to glans necrosis. Preoperative risk factors were arteriosclerotic cardiovascular disease (90%), diabetes mellitus (81%), smoking (81%), previous prosthesis explantation (57%), and previous radiation therapy (48%). The most prevalent intraoperative and postoperative factor was subcoronal incision for reasons as simple as coincident circumcision or as complex as for penile degloving (86%). Other factors detected were penile wrapping with an occlusive elastic bandage (62%), use of a sliding technique for penile lengthening (33%), and coincident distal urethral injury repair (29%). Seventeen patients (81%) managed expectantly with preservation of implanted prosthesis sustained significant glandular loss. Four patients managed with immediate prosthesis removal healed without sequelae.
Patients with preoperative risk factors undergoing penile prosthesis implantation should avoid high-risk adjunctive surgical maneuvers. Upon development of signs of glans necrosis postoperatively, in the setting of these high-risk factors, immediate implant removal may prevent subsequent glans necrosis.
探讨21例阴茎假体植入术后发生龟头坏死患者的可能病因及治疗结果。
龟头坏死通常在假体植入术后第一天表现为龟头发暗。
阴茎头的血供由阴茎背动脉和海绵体动脉的终末分支组成。利用我们研究中的队列,我们汇总了可能损害龟头血管导致龟头坏死的术前合并症和辅助手术操作。术前危险因素包括动脉粥样硬化性心血管疾病(90%)、糖尿病(81%)、吸烟(81%)、既往假体取出(57%)和既往放疗(48%)。最常见的术中及术后因素是冠状沟下切口,原因从单纯的包皮环切到复杂的阴茎脱套伤(86%)。检测到的其他因素包括用封闭弹性绷带包裹阴茎(62%)、使用滑动技术延长阴茎(33%)和同时进行远端尿道损伤修复(29%)。17例(81%)患者在保留植入假体的情况下进行观察,出现了明显的腺体丢失。4例患者立即取出假体后愈合,无后遗症。
有术前危险因素的患者在进行阴茎假体植入时应避免高风险的辅助手术操作。在这些高危因素情况下,术后一旦出现龟头坏死迹象,立即取出植入物可预防随后的龟头坏死。