Vincenzo Pagliarulo1, Stefano Alba2, Maria Filomena Gallone3, Marcello Zingarelli4, Alfonso Lorusso4, Paolo Minafra4, Giuseppe Maria Ludovico5, Savino Di Stasi6, Pasquale Ditonno4. 1. Department of Urology, DETO, University "Aldo Moro", Bari, Italy. enzopagliarulo@yahoo.com. 2. Department of Urology, Romolo Hospital, Rocca di Neto, Italy. 3. Azienda Sanitaria Locale Bari, Bari, Italy. 4. Department of Urology, DETO, University "Aldo Moro", Bari, Italy. 5. Department of Urology, Ospedale Generale Regionale "F. Miulli", Acquaviva delle Fonti, Italy. 6. Department of Surgery/Urology, Tor Vergata University, Rome, Italy.
Abstract
PURPOSE: Many urologists emphasize the concept of heat-related damage suggesting the avoidance of any energy to perform nerve-sparing radical prostatectomy. At our institution, both athermal and ultrasonic dissection have been used over the last years to perform a nerve-sparing laparoscopic radical prostatectomy (NSLRP). In this study, we compare functional and oncological outcomes of the two procedures. METHODS: All charts from patients undergoing NSLRP between January 2009 and June 2015 were reviewed. The International Index of Erectile Function (IIEF-5) was recorded preoperatively and 3, 12 and 24 months after surgery; continence was recorded at 3 and 12 months; PSA was recorded at last follow-up. Uni- and multivariate analyses were performed to assess the association of variables with functional and oncological outcomes. RESULTS: Ultrasonic NSLRP was used for 120 patients, while athermal NSLRP on 111. The impact of the cutting technique on erection recovery was different at 3 months, favoring athermal dissection (p = 0.002); however, significance was lost at 12 (p = 0.09) and 24 (p = 0.14) months. Continence recovery was comparable at 3 (p = 0.1) and 12 (p = 0.2) months; the rate of positive surgical margins and PSA recurrence were also similar (p = 0.2 and p = 0.06, respectively). At univariate analysis, age, Gleason sum, nerve-sparing laterality, and extension (intra- vs interfascial) were associated with overall erection recovery; only age and nerve-sparing laterality were independent predictors. Age and preoperative TRUS prostate volume were associated with continence recovery, both at uni- and multivariate analysis. CONCLUSIONS: The use of an ultrasonic device compared to athermal dissection during NSLRP does not affect long-term potency, nor continence and early biochemical recurrence.
PURPOSE: Many urologists emphasize the concept of heat-related damage suggesting the avoidance of any energy to perform nerve-sparing radical prostatectomy. At our institution, both athermal and ultrasonic dissection have been used over the last years to perform a nerve-sparing laparoscopic radical prostatectomy (NSLRP). In this study, we compare functional and oncological outcomes of the two procedures. METHODS: All charts from patients undergoing NSLRP between January 2009 and June 2015 were reviewed. The International Index of Erectile Function (IIEF-5) was recorded preoperatively and 3, 12 and 24 months after surgery; continence was recorded at 3 and 12 months; PSA was recorded at last follow-up. Uni- and multivariate analyses were performed to assess the association of variables with functional and oncological outcomes. RESULTS: Ultrasonic NSLRP was used for 120 patients, while athermal NSLRP on 111. The impact of the cutting technique on erection recovery was different at 3 months, favoring athermal dissection (p = 0.002); however, significance was lost at 12 (p = 0.09) and 24 (p = 0.14) months. Continence recovery was comparable at 3 (p = 0.1) and 12 (p = 0.2) months; the rate of positive surgical margins and PSA recurrence were also similar (p = 0.2 and p = 0.06, respectively). At univariate analysis, age, Gleason sum, nerve-sparing laterality, and extension (intra- vs interfascial) were associated with overall erection recovery; only age and nerve-sparing laterality were independent predictors. Age and preoperative TRUS prostate volume were associated with continence recovery, both at uni- and multivariate analysis. CONCLUSIONS: The use of an ultrasonic device compared to athermal dissection during NSLRP does not affect long-term potency, nor continence and early biochemical recurrence.
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