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Inflatable penile prosthesis outcomes after pelvic radiation
Johns Hopkins University School of Medicine, Brady Urological Institute, Baltimore, Maryland, USA
Oct 2020 (Vol. 27, Issue 5, Pages( 10382 - 10387)

Abstract

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  • INTRODUCTION Few studies have compared surgical outcomes after 3-piece inflatable penile prosthesis (IPP) surgery in patients exposed to pelvic radiation therapy (RT) compared to a radiation naive control group.

    MATERIALS AND METHODS:

    A total of 715 consecutive patients underwent 3-piece IPP placement between 2007-2018. There were 101 men exposed to pelvic RT before or after IPP for a variety of malignancies and 153 men met inclusion criteria for the control group, which included men undergoing IPP surgery with a history of radical prostatectomy but no exposure to pelvic RT.

    RESULTS:

    Patients in the RT group had a higher body mass index (kg/m²) (28.7 versus 27.8, p = 0.003) and higher Charlson co-morbidity index score (6 versus 5; p < 0.001). At a median follow up of 5 years (IQR 2-8 years), there was an 18.4% surgical complication rate in the radiation group compared to 11.5% in the control group, though this was not statistically significant (p = 0.141). Timing of radiation, prior artificial urinary sphincter (AUS) status, co-implantation of an AUS, and brand of prosthesis were not associated with increased rate of complications. On multivariable logistic regression analysis, exposure to RT was not significantly associated with increased risks of complications (OR: 1.31; CI 0.55-3.12).

    CONCLUSIONS:

    This study shows no significant increase in risk of surgical complication in patients exposed to pelvic RT and supports the use of IPP in men with a history of RT and refractory erectile dysfunction.

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October 2020, Vol.27 No.5
canadian journal of urology