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  • Title: When to remove the urethral catheter after endoscopic realignment of traumatic disruption of the posterior urethra?
    Author: El Darawany HM.
    Journal: Prog Urol; 2017 Sep; 27(11):594-599. PubMed ID: 28755802.
    Abstract:
    OBJECTIVE: To detect the optimal time for urethral stent removal after endoscopic urethral realignment and its effect on the incidence of development of urethral stricture. PATIENTS AND METHODS: Eighteen patients underwent endoscopic urethral realignment after traumatic disruption of the posterior urethra. Post-operative urethroscopy was done using the flexible cystoscope to assess progress of urethral healing. The urethral Foley catheter that served as a stent and for urine drainage was removed only when complete mucosal healing was observed by flexible urethroscopy. There was a post-operative follow-up period of 12-36months. Uroflowmetry was performed at the end of the follow-up period. RESULTS: Endoscopy 6weeks after realignment showed 50-75% mucosal epithelialization at the site of urethral disruption in all patients. Epithelialization was complete at 9weeks in 15/18 patients (83%) and at 12weeks in the remaining 3 patients (17%). One patient (5.6%) developed a mild symptomatic stricture 5months post stent removal that was successfully treated by a single session of visual urethrotomy. All 18 patients had normal uroflowmetry readings at 12-36months after realignment. CONCLUSIONS: Urethral stenting should be continued till mucosal healing at the site of urethral disruption became complete. Removal of the stent at this optimal time decreases the incidence of post-operative urethral stricture. Flexible urethroscopy was a safe procedure for post-operative follow-up of endoscopic urethral realignment to assess the progress and completion of mucosal healing at the site of realignment. LEVEL OF EVIDENCE: 4.
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