Abstract
Background Preliminary results of a specific semi-rigid prosthesis for metoidioplasty (ZSI® 100D4; Zephyr Surgical Implants, Geneva) have been reported, suggesting a safe procedure that may enhance the metoidioplasty outcomes by stiffening and increasing protrusion of the constructed neo-phallus. Aim The objective of the present study was to report the updated surgical results of metoidioplasty with implantation of the ZSI®100D4, along with a comprehensive evaluation of the outcomes including, motivations, sexuality, and urinary function. Methods All individuals who underwent a metoidioplasty with implantation of the ZSI®100D4 between August 2017 and January 2021 with at least 1 year of follow-up were included and their data retrospectively collected. They were contacted by telephone between November 2020 and May 2022 and invited to answer a questionnaire exploring motivations, satisfaction with genitals and sexual life, as well as urinary and sexual function. Results Twenty-one individuals were included and followed-up during a median [IQR] period of 19.5 months [12.8–24.2]. Most individuals (n = 13; 62.0%) had a post-operative complication, the most frequent was wound dehiscence (n = 6; 28.6%). Three urinary fistula (14.3%) were reported, all managed conservatively (Clavien-Dindo grade 2) with a prolonged urinary diversion. Among the 18 individuals who answered the questionnaire, 16 (88.9%) were sexually active, and 11 (61.1%) were engaged in a sexual relationship. The total median [IQR] self-esteem and relationship questionnaire score was 92 [91–97]. The reported urinary symptoms of delay, intermittency, lagging drops and spraying were mostly never or rarely reported. The satisfaction regarding overall genital aspect was highly favorable as 15 (83.3%) individuals reporting being very satisfied or satisfied, although 5 (27.8%) reported being dissatisfied with the size of their genitals. Conclusion Implantation of a semi-rigid prosthesis in a metoidioplasty seems a safe procedure, with no reported complications related to the prosthesis. Overall, satisfaction regarding genitals, sexual and urinary function are favorable.
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