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      La prótesis de pene en el tratamiento de la disfunción eréctil Translated title: Penile prosthesis for the treatment of erectile dysfunction

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          Abstract

          La disfunción eréctil es una patología que, con diferentes grados de intensidad, afecta a cerca del 20% de los varones adultos españoles. Su tratamiento se realiza habitualmente de forma escalonada, reservándose las prótesis de pene para cuando han fracasado otros tratamientos previos. El objetivo de este trabajo es evaluar, de acuerdo al estado de conocimiento actual, la efectividad y seguridad de las prótesis de pene en el tratamiento de la disfunción eréctil. Para ello se seleccionaron 52 artículos, observándose porcentajes de supervivencia protésica a los 5 años del 78-91% y siendo las complicaciones quirúrgicas del 3-8%. Los fallos mecánicos y la infección fueron menores en las prótesis semirrígidas que en las hinchables, obteniéndose altos niveles de satisfacción postoperatoria, tanto entre los pacientes como en sus parejas, mayores incluso que con el resto de tratamientos disponibles en la actualidad. La implantación de una prótesis de pene debe reservarse para la disfunción eréctil de carácter orgánico en la que hayan fracasado otros tratamientos previos, debiendo valorarse la relación riesgo/beneficio e informando al paciente de los resultados que se esperan conseguir y de las posibles complicaciones que puedan surgir. La mayor preocupación de nuestra sociedad con respecto a la función eréctil, unido a la disponibilidad de fármacos eficaces frente a su disfunción, hace previsible un aumento en la demanda de implantación de prótesis de pene en los próximos años, en aquellos pacientes altamente motivados, pero refractarios a los tratamientos menos invasivos.

          Translated abstract

          The erectile dysfunction is a pathology that, with different degrees of intensity, affects nearly the 20% ofthe spanish adult men. The treatment is usually performed in stages, reserving the penile prosthesis forwhen other previous treatments have failed. The aim of this work is to evaluate, according to the state ofpresent knowledge, the effectiveness and security of the penile prosthesis for the treatment of the erectiledysfunction. With this purpose 52 articles were selected, observing a 5 years prosthesis survival of 78-91% and a 3-8% of surgical complications. Mechanical failures and infection percentages were smaller in thesemi-rigid prosthesis that in the inflatable ones, with high levels of postoperative satisfaction in patients aswell as in their couples, even greater than in other treatments available at the present time. The penile prosthesis implantation must be reserved for the organic erectile dysfunction when previoustreatments have failed, evaluating the risk-benefit relation and informing the patient of the results that arehoped to be obtained and of the possible complications that can arise. In view of the great concern of our society with the erectile function and the availability of effective drugs,an increase in the demand of penile prosthesis implantation is predictable in those patients highly motiva-ted, but refractory to the less invasive treatments.

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          Most cited references86

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          Prevalence and independent risk factors for erectile dysfunction in Spain: results of the Epidemiologia de la Disfuncion Erectil Masculina Study.

          We determined the prevalence of and risks factors for erectile dysfunction in Spain in a cross-sectional study. A total of 2,476 noninstitutionalized Spanish men 25 to 70 years old were interviewed at home and answered a self-administered questionnaire of 71 items, including 2 instruments to define erectile dysfunction, a simple self-assessment question to estimate erectile function and the International Index of Erectile Function. Data on disease, medication and toxic habits were also obtained. With an overall participation rate of 75% the prevalence of erectile dysfunction according to the simple question was 12.1%. According to the erectile function domain of the International Index of Erectile Function the overall prevalence was 18.9%. Several independent risk factors were significantly associated with the probability of erectile dysfunction. Some differences arose according to the tool used to define the condition. However, there was a strong relationship of patient age with frequency or severity no matter which instrument was used to define erectile dysfunction. Diabetes (age adjusted odds ratio 4), high blood pressure (odds ratio 1.58), high cholesterol (1.63), peripheral vascular disorder (2.63), lung disease (3.11), prostate disease (2.93), cardiac problems (1.79), rheumatism (2.37) and allergy (3.08) were significantly associated with erectile dysfunction. Drug intake, which respondents called medication for nerves and sleeping pills, correlated strongly (odds ratio 2.78 and 4.27, respectively), as did tobacco use (2.5) and alcohol consumption (1.53). This study provides data on the prevalence of and risks factors for erectile dysfunction in Spain. The relationship of erectile dysfunction with certain risk factors, such as cardiovascular risk factors and drugs intake, are well known and our study corroborates these associations. Other associations with erectile dysfunction, such as prostate disease, allergy and rheumatism, support findings in previous reports, although to our knowledge the pathophysiological mechanisms remain unclear. Estimating the strength of the association of erectile dysfunction with distinct risk factors in terms of odds ratios enabled us to identify the factors to pursue when seeking to prevent erectile dysfunction. Furthermore, the relationship of tobacco with erectile dysfunction, which has been controversial in previous series, was well characterized in our study.
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            Inflatable penile implant infection: predisposing factors and treatment suggestions.

            A retrospective review of 1,337 consecutive inflatable prosthesis implantations was done to detect predisposing factors for infection. Operations were performed by the same team during a 7-year period. Of the procedures 823 were primary implantations, while the remaining 514 were either revisions (mechanical failure, iatrogenic causes or patient dissatisfaction), salvage operations or removals for infection. The etiology of impotence as a predisposition for infection in primary implantations was significant for spinal cord injury (9% of the cases) and steroid use (50%). Diabetes had a statistically insignificant 3% risk of infection, with all other causes having a 1% infection rate. A total of 428 revisions was performed with an overall infection rate of 10%. Rates of infection ranged from 8% in nondiabetics to 18% in diabetics requiring revision. Staphylococcus species were the most commonly cultured organisms. Salvage operations (29 cases) of several types were attempted for infected prostheses. Our results with salvage were poor and we currently routinely remove the entire prosthesis for infection except in cases of urethral erosion of 1 cylinder.
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              Comparison of satisfaction rates and erectile function in patients treated with sildenafil, intracavernous prostaglandin E1 and penile implant surgery for erectile dysfunction in urology practice.

              We compared erectile function status and satisfaction rates in patients who received treatment for erectile dysfunction (ED) with sildenafil, intracavernous prostaglandin E1 (ICI) and penile implant surgery (IPP). A total of 138 consecutive patients who received treatment for ED between April 2000 and April 2001 were considered candidates for study. Mean followup was 19.54 months. Of the patients 27 were not available for followup and 26 were not on any form of treatment. Of the patients receiving treatment for ED 85 were administered the Erectile Dysfunction Inventory for Treatment Satisfaction (EDITS) questionnaire and the Erectile Function Domain (EFD) of the International Index of Erectile Function questionnaire. Three treatment groups were identified, including 31 patients on sildenafil citrate, 22 on ICI and 32 who underwent IPP. Mean total EDITS, EDITS Index and EFD scores in the 3 groups were considered for statistical evaluation. There was no statistical difference in the total EDITS (25.59 versus 27.06, p = 0.48), EDITS Index (58.16 versus 61.15, p = 0.49) or EFD (22.91 versus 20.26, p = 0.12) score between the groups on ICI and sildenafil citrate, respectively. Total EDITS, EDITS Index and EFD scores were significantly higher in patients who underwent IPP than those on sildenafil citrate (36.09 versus 27.06, p <0.001, 82.03 versus 61.51, p <0.001 and 27.88 versus 20.26, p <0.001, respectively). Total EDITS, EDITS Index and EFD scores were significantly higher in patients who underwent IPP than those on ICI (36.09 versus 25.59, 82.03 versus 58.16 and 27.88 versus 22.91, respectively, all p <0.001). At a mean followup of 19.54 months patients who underwent penile implant surgery had significantly better erectile function and treatment satisfaction than those receiving sildenafil citrate and intracavernous prostaglandin E1.
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                Author and article information

                Contributors
                Role: ND
                Journal
                aue
                Actas Urológicas Españolas
                Actas Urol Esp
                Asociación Española de Urología (, , Spain )
                0210-4806
                February 2006
                : 30
                : 2
                : 159-169
                Affiliations
                [01] Santiago de Compostela orgnameConsellería de Sanidade orgdiv1Axencia de Avaliación de Tecnoloxías Sanitarias de Galicia (avalia-t)
                Article
                S0210-48062006000200008
                10.4321/s0210-48062006000200008
                b6425708-a6d5-44b5-825f-d0dec479da0a

                This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 International License.

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                Figures: 0, Tables: 0, Equations: 0, References: 57, Pages: 11
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                SciELO Spain


                Disfunción eréctil,Prótesis de pene,Tratamiento,Impotencia,Erectile dysfunction,Penile prosthesis,Treatment,Impotence

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