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Safety and Efficacy Outcome of Mentor Alpha-1 Inflatable Penile Prosthesis Implantation for Impotence Treatment

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Safety and Efficacy Outcome of Mentor Alpha-1 Inflatable Penile Prosthesis Implantation for Impotence Treatment

Auteurs : Irwin Goldstein [États-Unis] ; Laura Newman [États-Unis] ; Neil Baum [États-Unis] ; Marvin Brooks [États-Unis] ; Lewis Chaikin [États-Unis] ; Kenneth Goldberg [États-Unis] ; Albert Mcbride [États-Unis] ; Robert J. Krane [États-Unis]

Source :

The Journal of Urology [ 0022-5347 ] ; 1997.

RBID : ISTEX:F0CD9497DE107474E4563D96702E019B7BA56FEF

Abstract

Purpose We investigated safety and efficacy outcome pertaining to the Mentor Alpha-1, 3-piece inflatable penile prosthesis for impotence treatment. Mentor Corp., Santa Barbara, California.Materials and Methods A 2-phase, multi-institutional, large scale retrospective study, with independently analyzed medical record (phase I) and questionnaire (phase II) data from consecutive eligible patients of 7 physician investigators was performed from March to October 1993.Results In phase I there were no morbidities of any type in 394 of the 434 patients (90.8) (mean age 61 years, range 24 to 88) who underwent Alpha-1 implantation (mean followup 22.2 months, range 0.67 to 44.5). The risk of prosthesis malfunction (fluid leak and auto-inflation) was 2.5. No cylinder aneurysms were reported. A total of 93.1 of Alpha-1 devices was free from explantation (4.4) or revision surgery (2.5) for approximately 2 years from the original implant date. Kaplan-Meier actuarial analyses revealed that cumulative survival of the Alpha-1 prostheses at 12, 24 and 36 months was 98 +/- 1, 93 +/- 2 and 85 +/- 7 until device malfunction, and 91 +/- 2 83 +/- 4 and 75 +/- 7 until surgical intervention (revision or explantion). In phase II 89 of the men claimed fulfilled expectations with the Alpha-1 prosthesis as impotence treatment. Satisfaction responses 80 or greater were noted with regard to intercourse ability and confidence, and device rigidity and function. Implantation did not result in greater than 80 satisfaction in partner relationships or feelings (as judged by the patient), social or work confidence, or intercourse frequency. Factors adversely affecting satisfaction included partner feelings of dissatisfaction (as judged by the patient), specific physician investigators and need for explantation/revision surgery.Conclusions In 1 of the largest multi-institutional implant outcome studies thus far performed, safety and efficacy data concerning the Alpha-1 contemporary inflatable device were found markedly improved over earlier inflatable prostheses and now compare favorably with historical data from noninflatable rod type devices.

Url:

https://api.istex.fr/document/F0CD9497DE107474E4563D96702E019B7BA56FEF/fulltext/pdf

DOI: 10.1016/S0022-5347(01)65058-4

Affiliations:

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Le document en format XML

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<front><div type="abstract">Purpose We investigated safety and efficacy outcome pertaining to the Mentor Alpha-1, 3-piece inflatable penile prosthesis for impotence treatment. Mentor Corp., Santa Barbara, California.Materials and Methods A 2-phase, multi-institutional, large scale retrospective study, with independently analyzed medical record (phase I) and questionnaire (phase II) data from consecutive eligible patients of 7 physician investigators was performed from March to October 1993.Results In phase I there were no morbidities of any type in 394 of the 434 patients (90.8) (mean age 61 years, range 24 to 88) who underwent Alpha-1 implantation (mean followup 22.2 months, range 0.67 to 44.5). The risk of prosthesis malfunction (fluid leak and auto-inflation) was 2.5. No cylinder aneurysms were reported. A total of 93.1 of Alpha-1 devices was free from explantation (4.4) or revision surgery (2.5) for approximately 2 years from the original implant date. Kaplan-Meier actuarial analyses revealed that cumulative survival of the Alpha-1 prostheses at 12, 24 and 36 months was 98 +/- 1, 93 +/- 2 and 85 +/- 7 until device malfunction, and 91 +/- 2 83 +/- 4 and 75 +/- 7 until surgical intervention (revision or explantion). In phase II 89 of the men claimed fulfilled expectations with the Alpha-1 prosthesis as impotence treatment. Satisfaction responses 80 or greater were noted with regard to intercourse ability and confidence, and device rigidity and function. Implantation did not result in greater than 80 satisfaction in partner relationships or feelings (as judged by the patient), social or work confidence, or intercourse frequency. Factors adversely affecting satisfaction included partner feelings of dissatisfaction (as judged by the patient), specific physician investigators and need for explantation/revision surgery.Conclusions In 1 of the largest multi-institutional implant outcome studies thus far performed, safety and efficacy data concerning the Alpha-1 contemporary inflatable device were found markedly improved over earlier inflatable prostheses and now compare favorably with historical data from noninflatable rod type devices.</div>
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Safety and Efficacy Outcome of Mentor Alpha-1 Inflatable Penile Prosthesis Implantation for Impotence Treatment

Safety and Efficacy Outcome of Mentor Alpha-1 Inflatable Penile Prosthesis Implantation for Impotence Treatment

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Abstract

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