Introduction Lack of randomized controlled trials (RCTs) that compare pure laparoscopic radical prostatectomy (LRP) with robot-assisted laparoscopic radical prostatectomy (RALRP) is an important gap of the literature related to the surgical treatment of the clinically localized prostate cancer (PCa). Aim To provide the first prospective randomized comparison on the functional and oncological outcomes of LRP and RALRP for the treatment of the clinically localized PCa. Methods Between 2007 and 2008, 128 consecutive male patients were randomized in two groups and treated by a single experienced surgeon with traditional LRP (Group I-64 patients) or RALRP (Group II-64 patients) in all cases with intent of bilateral intrafascial nerve sparing. Main Outcome Measures Primary end point was to compare the 12 months erectile function (EF) outcomes. Complication rates, continence outcomes, and oncological results were also compared. The sample size of our study was able, with an adequate power (1-beta > 0.90), to recognize as significant large differences (above 0.30) between incidence proportions of considered outcomes. Results No statistically significant differences were observed for operating time, estimated blood loss, transfusion rate, complications, rates of positive surgical margins, rates of biochemical recurrence, continence, and time to continence. However, the 12-month evaluation of capability for intercourse (with or without phosphodiesterase type 5 inhibitors) showed a clear and significant advantage of RALRP (32% vs. 77%, P < 0.0001). Time to capability for intercourse was significantly shorter for RALRP. Rates of return to baseline International Index of Erectile Function (IIEF-6) EF domain score questionnaires (questions 1–5 and 15) (25% vs. 58%) and to IIEF-6 > 17 (38% vs. 63%) were also significantly higher for RALRP (P = 0.0002 and P = 0.008, respectively). Conclusions Our study offers the first high-level evidence that RALRP provides significantly better EF recovery than LRP without hindering the oncologic radicality of the procedure. Larger RCTs are needed to confirm if a new gold-standard treatment in the field of RP has risen.
Purpose: To translate and culturally adapt the Dysfunctional Voiding Symptom Score (DVSS), questionnaire into Brazilian Portuguese. Materials and Methods:The 10-item Dysfunctional Voiding Symptom Score (DVSS) was translated into Brazilian Portuguese according to a standard methodology: translation, synthesis, back-translation, Expert Committee, and pre-testing. After the translation process the final version was pre-tested and patient responses were analyzed to identify necessary modifications. Reliability was evaluated using the test-retest method, and internal consistency was assessed using Cronbach's alpha. Results: The Cronbach's alpha coefficient was calculated in the test and retest phases. Internal consistency was found to be satisfactory, as confirmed by a Cronbach's alpha coefficient of 0.76 for the test and 0.77 for the retest. A high degree of stability was found in the test/retest, with an intraclass correlation coefficient (ICC) of 0.960 (p < 0.001; 95% CI: 0.943-0.972). Conclusions: The cross-cultural adaptation process of the Dysfunctional Voiding Symptom Score questionnaire to be used on Brazilian children was successfully completed following internationally accepted methodologies.
Introduction Erectile dysfunction (ED) is highly prevalent among men undergoing hemodialysis. Aim This study was performed to identify the influence of ED on the patient’s quality of life (QoL) and to evaluate the influence of depression on erectile function of these patients. Main Outcome Measures For this multicenter cross-sectional study, 275 patients were interviewed through questionnaires: the five-item version of the International Index of Erectile Function was used for diagnosing and classifying ED; the Medical Outcomes Study Questionnaire 36-Item Short Form Health Survey (SF-36) for scoring QoL; and the Hospital Anxiety and Depression Scale (HADS) to evaluate depressive symptoms. Linear regression was used to examine the associations between some of the variables and ED. Predialytic biochemical and hematological parameters were determined during the longer interdialytic period. Results Patients had a mean age of 48.6 ± 12.8 years, and the ED prevalence was 72.3%. Advanced age, diabetes and depression score were independent risk factors for the development of ED as confirmed by linear regression (P <0.001, P = 0.002, and P <0.001, respectively). QoL was worse among patients with any degree of ED, and the scores were statistically significant for overall health rating (P = 0.016), physical composite score (P = 0.003), bodily pain (P = 0.042), physical functioning (P <0.001), and vitality (P = 0.005). Furthermore, more severe forms of ED were associated with a lower QoL. After adjustment for some variables, such as age, time under dialysis, hemoglobin, albumin, parathyroid hormone, Kt/V, and depression, linear regression showed that domains related to poorer physical functioning (P = 0.047) and decreased vitality (P = 0.009) were significantly related to ED. Conclusion Depression is an important trigger for the development of ED in hemodialysis patients, and this sexual condition is an independent risk factor for their poor QoL.
In the current study we noted that a tunica vaginalis graft placed dorsally can be a successful urethral substitute in the animal model.
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