Introduction
Penile prosthesis implantation is considered to be a satisfactory treatment for erectile dysfunction. Previous studies have assessed mainly prosthesis function and perioperative complications and have measured satisfaction only with regard to sexual performance. Very little, if anything, has been reported on the most relevant question: To what extent does the implant affect the patient's life?
Aim
To develop and validate the pathology-specific Quality of Life and Sexuality with Penile Prosthesis (QoLSPP) questionnaire, which evaluates patients' quality of life after penile prosthesis implantation.
Methods
Sixty-nine patients aged 32–82 years who received a three-component hydraulic prosthesis between 1997 and 2009 participated in the study; 47 participated in the retest of the instrument. The QoLSPP questionnaire was developed to examine general and sexual quality of life in four domains: functional, personal, relational, and social. All psychometric properties of the QoLSPP were validated. Internal validity was assessed by means of exploratory factor analysis. Cronbach's alpha was used to evaluate the internal consistency of the items within each factor. Paired-sample t-tests were used to investigate metric stability. Independent-samples t-tests and nonparametric tests were used to evaluate the sensitivity.
Main Outcome Measures
The main outcome measure for the questionnaire was quality of life as biological and psychosocial–relational well-being. Main outcome measures for validation were internal validity, metric stability, and sensitivity of the QoLSPP.
Results
The QoLSPP met the psychometric requirements of internal validity and reliability. Metric stability and sensitivity were tested and confirmed. Respondents reported high satisfaction levels in all quality of life domains. All domains were significantly and positively correlated; the functional domain was most predictive of overall quality of life. More than half of respondents perceived their partners to be very satisfied.
Conclusions
Prosthesis implantation was correlated with high quality of life in recipients and high perceived quality of couple relationships; partner satisfaction affected patients' quality of life, self-image, relation to the outside world, and satisfaction with implant function.
This study reports high functional and patient satisfaction scores at 1 year after PPI surgery using a dedicated tool for the first time. Better outcomes should be expected for patients treated by surgeons with greater experience.
Objective: Following three-component implantation of a penile prosthesis, some patients are dissatisfied with their penile length. This may be due to the procedure by itself or pre-existing risk factors or psychological reasons. We supposed that formation of a restricted pseudo-capsule due to a late prosthesis activation can inhibit later system expansion. We aimed to identify the presence or absence of penile retraction after implant and to prevent it by immediate prosthesis activation after implantation. Material and methods. Forty-six patients operated with three-piece inflatable penile prosthesis (AMS 700 CX o LGX) were enrolled. In 27 patients prosthesis was first activated four weeks after surgery (NEA group) and in 19 patients prosthesis was activated immediately after surgery (DEA group). Length and girth of the penis was evaluated before (in DEA group) and after the surgical procedure. Results. The average post implant dorsal length of the erect penis in group NEA was found 3.28 cm shorter than in group with early activation (DEA). In DEA group there was no lenght difference between pre-operative stretching (14.57 cm) and post operative erection (14.98 cm). When early activation was not performed, the clinical result was a smaller penis in erect phase. Conclusion. Reduced lenght of the penis after implantation can be caused by the presence of a pseudo-capsule that limits the elongation of the prosthesis and of the penis ("coffin effect"). Timing of first activation seems to be the key in order to prevent the risk of penile retraction after implantation. Early activation is identified as the best measure to maintain the length of the pre implant erect penis after the prosthetic hydraulic implant.
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