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[Redo urethroplasty with buccal mucosa].

Urethral strictures can occur on the basis of trauma, infections, iatrogenic-induced or idiopathic and have a great influence on the patient's quality of life. The current prevalence rate of male urethral strictures is 0.6% in industrialized western countries. The favored form of treatment has experienced a transition from less invasive interventions, such as urethrotomy or urethral dilatation, to more complex open surgical reconstruction. Excision and primary end-to-end anastomosis and buccal mucosa graft urethroplasty are the most frequently applied interventions with success rates of more than 80%. Risk factors for stricture recurrence after urethroplasty are penile stricture location, the length of the stricture (>4 cm) and prior repeated endoscopic therapy attempts. Radiation-induced urethral strictures also have a worse outcome. There are various therapy options in the case of stricture recurrence after a failed urethroplasty. In the case of short stricture recurrences, direct vision urethrotomy shows success rates of approximately 60%. In cases of longer or more complex stricture recurrences, redo urethroplasty should be the therapy of choice. Success rates are higher than after urethrotomy and almost comparable to those of primary urethroplasty. Patient satisfaction after redo urethroplasty is high. Primary buccal mucosa grafting involves a certain rate of oral morbidity. In cases of a redo urethroplasty with repeated buccal mucosa grafting, oral complications are only slightly higher.

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