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J Urol ; 193(2): 587-92, 2015 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-25200807

RESUMEN

PURPOSE: Injection of mitomycin C may increase the success of transurethral incision of the bladder neck for the treatment of bladder neck contracture. We evaluated the efficacy of mitomycin C injection across multiple institutions. MATERIALS AND METHODS: Data on all patients who underwent transurethral incision of the bladder neck with mitomycin C from 2009 to 2014 were retrospectively reviewed from 6 centers in the TURNS. Patients with at least 3 months of cystoscopic followup were included in the analysis. RESULTS: A total of 66 patients underwent transurethral incision of the bladder neck with mitomycin C and 55 meeting the study inclusion criteria were analyzed. Mean ± SD patient age was 64 ± 7.6 years. Dilation or prior transurethral incision of the bladder neck failed in 80% (44 of 55) of patients. Overall 58% (32 of 55) of patients achieved resolution of bladder neck contracture after 1 transurethral incision of the bladder neck with mitomycin C at a median followup of 9.2 months (IQR 11.7). There were 23 patients who had recurrence at a median of 3.7 months (IQR 4.2), 15 who underwent repeat transurethral incision of the bladder neck with mitomycin C and 9 of 15 (60%) who were free of another recurrence at a median of 8.6 months (IQR 8.8), for an overall success rate of 75% (41 of 55). Incision with electrocautery (Collins knife) was predictive of success compared with cold knife incision (63% vs 50%, p=0.03). Four patients experienced serious adverse events related to mitomycin C and 3 needed or are planning cystectomy. CONCLUSIONS: The efficacy of intralesional injection of mitomycin C at transurethral incision of the bladder neck was lower than previously reported and was associated with a 7% rate of serious adverse events.


Asunto(s)
Cistectomía , Mitomicina/administración & dosificación , Enfermedades de la Vejiga Urinaria/tratamiento farmacológico , Enfermedades de la Vejiga Urinaria/cirugía , Anciano , Cistectomía/métodos , Humanos , Inyecciones Intralesiones , Masculino , Persona de Mediana Edad , Prostatectomía/efectos adversos , Prostatectomía/métodos , Estudios Retrospectivos , Uretra , Enfermedades de la Vejiga Urinaria/etiología
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