Early experience with the first pre-connected 3-piece inflatable penile prosthesis: the Mentor Alpha-1.
The aim of this clinical investigation was to obtain preliminary treatment outcome data concerning the Mentor Alpha-1, the first 3-piece inflatable penile prosthesis with pre-connected tubing between the pump and the penile cylinders. The study was designed to be the first multi-institutional treatment outcome report for any clinically available penile prosthesis with data analysis to be independent of the participating surgeons. A total of 12 board-certified urologists of mixed surgical training backgrounds and practices implanted the Alpha-1 device in 112 consecutive patients. With a mean of 27 +/- 5 months of followup the surgical complication rate included a 4% mechanical malfunction, 2% infection rate and 9% reoperation rate. Patient experience with the implanted device was computed from information on 96 of the 112 patients who returned a questionnaire. Of the patients 82% stated that the device fulfilled expectations as a treatment for impotence and 83% had improved sexual intercourse by 8 weeks after implantation. Patient satisfaction was computed on a scale of 12 equally weighted interrelated variables. Of the patients 77% recorded 9 or more cumulative satisfaction points. Patient and physician questionnaire data were analyzed for their relation to the cumulative prosthesis satisfaction score. A significant difference in cumulative scores was found for physician reported long-term postoperative problems (mean satisfaction score 8.1 for patients with problems versus 10.2 for patients without problems, p = 0.018). The Alpha-1, with its feature of pre-connected tubing, is a reliable 3-piece inflatable penile prosthesis associated with a high level of patient satisfaction.[1]References
- Early experience with the first pre-connected 3-piece inflatable penile prosthesis: the Mentor Alpha-1. Goldstein, I., Bertero, E.B., Kaufman, J.M., Witten, F.R., Hubbard, J.G., Fitch, W.P., Geller, R.A., McKay, D.L., Krane, R.J., Borges, F.D. J. Urol. (1993) [Pubmed]
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