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1.
Int Braz J Urol ; 39(5): 639-46; discussion 647-8, 2013.
Artículo en Inglés | MEDLINE | ID: mdl-24267107

RESUMEN

OBJECTIVE: We compared positive surgical margin (PSM) rates for patients with high risk prostate cancer (HRCaP) who underwent open radical retropubic (RRP), robotic (RALP), and laparoscopic (LRP) prostatectomy at a single institution. MATERIALS AND METHODS: We performed a retrospective review of our prospectively maintained IRB approved database identifying prostate cancer patients who underwent RRP, RALP, or LRP between January 2000 and March 2010. Patients were considered to have HRCaP if they had biopsy or final pathologic Gleason score ≥ 8, or preoperative PSA ≥ 20, or pathologic stage ≥ T3a. A positive surgical margin (PSM) was defined by the presence of tumor at the inked surface of the specimen. Patients who received neoadjuvant hormonal therapy and those who underwent a perineal prostatectomy were excluded from the study. RESULTS: Of the 445 patients in this study, surgical technique for prostatectomy included RRP (n = 153), RALP (n = 152), and LRP (n = 140). PSM rate for the three groups were not different: 52.9% RRP, 50% RALP, and 41.4% LRP, (p = 0.13). The PSM rate did not differ when comparing RRP to a combined group of RALP and LRP (p = 0.16). Among patients with a PSM, there was no statistical difference between the three groups in terms of the number of patients with a pathologic stage of T3 or higher (p = 0.83). On univariate analysis, a higher preoperative PSA value was associated with a positive margin (p = 0.04). CONCLUSION: In this HRCaP series, the PSM rate did not differ based on the surgical approach. On univariate analysis, patients with a higher preoperative PSA value were more likely to have a PSM.


Asunto(s)
Laparoscopía/métodos , Prostatectomía/métodos , Neoplasias de la Próstata/cirugía , Anciano , Biopsia , Humanos , Masculino , Persona de Mediana Edad , Clasificación del Tumor , Neoplasia Residual , Antígeno Prostático Específico/sangre , Neoplasias de la Próstata/patología , Estudios Retrospectivos , Medición de Riesgo , Factores de Riesgo , Robótica , Estadísticas no Paramétricas , Resultado del Tratamiento
2.
Int. braz. j. urol ; 39(5): 639-648, Sep-Oct/2013. tab
Artículo en Inglés | LILACS | ID: lil-695164

RESUMEN

Objective We compared positive surgical margin (PSM) rates for patients with high risk prostate cancer (HRCaP) who underwent open radical retropubic (RRP), robotic (RALP), and laparoscopic (LRP) prostatectomy at a single institution. Materials and Methods We performed a retrospective review of our prospectively maintained IRB approved database identifying prostate cancer patients who underwent RRP, RALP, or LRP between January 2000 and March 2010. Patients were considered to have HRCaP if they had biopsy or final pathologic Gleason score ≥ 8, or preoperative PSA ≥ 20, or pathologic stage ≥ T3a. A positive surgical margin (PSM) was defined by the presence of tumor at the inked surface of the specimen. Patients who received neoadjuvant hormonal therapy and those who underwent a perineal prostatectomy were excluded from the study. Results Of the 445 patients in this study, surgical technique for prostatectomy included RRP (n = 153), RALP (n = 152), and LRP (n = 140). PSM rate for the three groups were not different: 52.9% RRP, 50% RALP, and 41.4% LRP, (p = 0.13). The PSM rate did not differ when comparing RRP to a combined group of RALP and LRP (p = 0.16). Among patients with a PSM, there was no statistical difference between the three groups in terms of the number of patients with a pathologic stage of T3 or higher (p = 0.83). On univariate analysis, a higher preoperative PSA value was associated with a positive margin (p = 0.04). Conclusion In this HRCaP series, the PSM rate did not differ based on the surgical approach. On univariate analysis, patients with a higher preoperative PSA value were more likely to have a PSM. .


Asunto(s)
Anciano , Humanos , Masculino , Persona de Mediana Edad , Laparoscopía/métodos , Prostatectomía/métodos , Neoplasias de la Próstata/cirugía , Biopsia , Clasificación del Tumor , Neoplasia Residual , Antígeno Prostático Específico/sangre , Neoplasias de la Próstata/patología , Estudios Retrospectivos , Medición de Riesgo , Factores de Riesgo , Robótica , Estadísticas no Paramétricas , Resultado del Tratamiento
3.
Int Braz J Urol ; 38(1): 89-96, 2012.
Artículo en Inglés | MEDLINE | ID: mdl-22397770

RESUMEN

PURPOSE: V-Loc™180 (Covidien Healthcare, Mansfield, MA) is a new unidirectional barbed suture that may reduce loss of tension during a running closure. We evaluated the use of the barbed suture for urethrovesical anastomosis (UVA) during robotic assisted laparoscopic prostatectomy (RALP). Time to completion of UVA, post-operative anastomotic leak rate, and urinary incontinence were compared in patients undergoing UVA with 3-0 unidirectional-barbed suture vs. 3-0 Monocryl™ (Ethicon, Somerville, NJ). MATERIALS AND METHODS: Data were prospectively collected for 70 consecutive patients undergoing RALP for prostate cancer between November 2009 and October 2010. In the first 35 patients, the UVA was performed using a modified running van Velthoven anastomosis technique using two separate 3-0 monofilament sutures. In the subsequent 35 patients, the UVA was performed using two running novel unidirectional barbed sutures. At 7-12 days postoperatively, all patients were evaluated with a cystogram to determine anastomotic integrity. Urinary incontinence was assessed at two months and five months by total daily pad usage. Clinical symptoms suggestive of bladder neck contracture were elicited. RESULTS: Age, PSA, Gleason score, prostate size, estimated blood loss, body mass index, and clinical and pathologic stage between the 2 groups were similar. Comparing the monofilament group and V-Loc™180 cohorts, average time to complete the anastomosis was similar (27.4 vs. 26.4 minutes, p = 0.73) as was the rate of urinary extravasation on cystogram (5.7 % vs. 8.6%, p = 0.65). There were no symptomatic bladder neck contractures noted at 5 months of follow-up. At 2 months, the percentage of patients using 2 or more pads per day was lower in the V-Loc™180 cohort (24% vs. 44%, p < 0.02). At 5 months, this difference was no longer evident. CONCLUSIONS: Time to complete the UVA was similar in the intervention and control groups. Rates of urine leak were also comparable. While the V-Loc™180 was associated with improved early continence, this difference was transient.


Asunto(s)
Laparoscopía/métodos , Próstata/cirugía , Prostatectomía/métodos , Neoplasias de la Próstata/cirugía , Robótica/métodos , Suturas , Anciano , Anastomosis Quirúrgica , Estudios de Seguimiento , Humanos , Masculino , Persona de Mediana Edad , Técnicas de Sutura , Resultado del Tratamiento , Uretra/cirugía
4.
Int. braz. j. urol ; 38(1): 89-96, Jan.-Feb. 2012. ilus, tab
Artículo en Inglés | LILACS | ID: lil-623320

RESUMEN

PURPOSE: V-LocTM180 (Covidien Healthcare, Mansfield, MA) is a new unidirectional barbed suture that may reduce loss of tension during a running closure. We evaluated the use of the barbed suture for urethrovesical anastomosis (UVA) during robotic assisted laparoscopic prostatectomy (RALP). Time to completion of UVA, post-operative anastomotic leak rate, and urinary incontinence were compared in patients undergoing UVA with 3-0 unidirectional-barbed suture vs. 3-0 MonocrylTM (Ethicon, Somerville, NJ). MATERIALS AND METHODS: Data were prospectively collected for 70 consecutive patients undergoing RALP for prostate cancer between November 2009 and October 2010. In the first 35 patients, the UVA was performed using a modified running van Velthoven anastomosis technique using two separate 3-0 monofilament sutures. In the subsequent 35 patients, the UVA was performed using two running novel unidirectional barbed sutures. At 7-12 days postoperatively, all patients were evaluated with a cystogram to determine anastomotic integrity. Urinary incontinence was assessed at two months and five months by total daily pad usage. Clinical symptoms suggestive of bladder neck contracture were elicited. RESULTS: Age, PSA, Gleason score, prostate size, estimated blood loss, body mass index, and clinical and pathologic stage between the 2 groups were similar. Comparing the monofilament group and V-LocTM180 cohorts, average time to complete the anastomosis was similar (27.4 vs. 26.4 minutes, p = 0.73) as was the rate of urinary extravasation on cystogram (5.7 % vs. 8.6%, p = 0.65). There were no symptomatic bladder neck contractures noted at 5 months of follow-up. At 2 months, the percentage of patients using 2 or more pads per day was lower in the V-LocTM180 cohort (24% vs. 44%, p < 0.02). At 5 months, this difference was no longer evident. CONCLUSIONS: Time to complete the UVA was similar in the intervention and control groups. Rates of urine leak were also comparable. While the V-LocTM180 was associated with improved early continence, this difference was transient.


Asunto(s)
Anciano , Humanos , Masculino , Persona de Mediana Edad , Laparoscopía/métodos , Próstata/cirugía , Prostatectomía/métodos , Neoplasias de la Próstata/cirugía , Robótica/métodos , Suturas , Anastomosis Quirúrgica , Estudios de Seguimiento , Técnicas de Sutura , Resultado del Tratamiento , Uretra/cirugía
5.
Urology ; 74(3): 626-30, 2009 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-19604561

RESUMEN

OBJECTIVES: To report the first case and detailed technique of laparoendoscopic single-site (LESS) surgery simple prostatectomy for benign hypertrophy. METHODS: A 67-year-old man presented with acute urinary retention requiring catheterization. Serum prostate-specific antigen level was 5 ng/mL, and a biopsy revealed benign hypertrophy with a transrectal ultrasound volume estimation of 110 mL. LESS simple prostatectomy was performed using a single multilumen port inserted through a solitary 2.5-cm intraumbilical incision. Standard laparoscopic ultrasonic shears and needle drivers, articulating scissors, and specifically designed bent grasping instruments facilitated dissection and suturing. RESULTS: An R-port was placed intraperitoneally through a 2.5-cm intraumbilical incision. No extraumbilical skin incisions were made. Total operative time was 120 minutes and estimated blood loss was 200 mL. A closed suction drain was externalized through the umbilical incision. No intraoperative or postoperative complications occurred. Hospital stay was 2 days, the retropubic drain was removed at 3 days, and the catheter removed at 1 week. Specimen weight was 95 g and final pathology revealed benign prostatic hyperplasia. At 3 months follow-up, the patient was completely continent and voiding spontaneously with a Q(max.) of 85 mL/s. CONCLUSIONS: We demonstrate technical feasibility and describe the detailed surgical technique of LESS simple prostatectomy. Our initial experience suggests that this technique may be an alternative for large-volume benign prostatic hyperplasia in lieu of open surgery. Comparative studies with other surgical techniques will determine its place in the surgical armamentarium of benign prostatic hyperplasia.


Asunto(s)
Laparoscopía/métodos , Prostatectomía/métodos , Hiperplasia Prostática/cirugía , Anciano , Diseño de Equipo , Humanos , Laparoscopios , Masculino
6.
Clinics (Sao Paulo) ; 63(6): 731-4, 2008 12.
Artículo en Inglés | MEDLINE | ID: mdl-19060992

RESUMEN

PURPOSE: To report our initial experiences with laparoscopic partial cystectomy for urachal and bladder malignancy. MATERIALS AND METHODS: Between March 2002 and October 2004, laparoscopic partial cystectomy was performed in 6 cases at 3 institutions; 3 cases were urachal adenocarcinomas and the remaining 3 cases were bladder transitional cell carcinomas. All patients were male, with a median age of 55 years (45-72 years). Gross hematuria was the presenting symptom in all patients, and diagnosis was established with trans-urethral resection bladder tumor in 2 patients and by means of cystoscopic biopsy in the remaining 4 patients. Laparoscopic partial cystectomy was performed using the transperitoneal approach under cystoscopic guidance. In each case, the surgical specimen was removed intact entrapped in an impermeable bag. One patient with para-ureteral diverticulum transitional cell carcinoma required concomitant ureteral reimplantation. RESULTS: All six procedures were completed laparoscopically without open conversion. The median operating time was 110 minutes (90-220) with a median estimated blood loss of 70 mL (50-100). Frozen section evaluations of bladder margins were routinely obtained and were negative for cancer in all cases. The median hospital stay was 2.5 days (2-4) and the duration of catheterization was 7 days. There were no intraoperative or postoperative complications. Final histopathology confirmed urachal adenocarcinoma in 3 cases and bladder transitional cell carcinoma in 3 cases. At a median follow-up of 28.5 months (range: 26 to 44 months), there was no evidence of recurrent disease as evidenced by radiologic or cystoscopic evaluation. CONCLUSIONS: Laparoscopic partial cystectomy in carefully selected patients with urachal and bladder cancer is feasible and safe, offering a promising and minimally invasive alternative for these patients.


Asunto(s)
Adenocarcinoma/cirugía , Carcinoma de Células Transicionales/cirugía , Cistectomía/métodos , Uraco/cirugía , Neoplasias de la Vejiga Urinaria/cirugía , Anciano , Humanos , Laparoscopía , Masculino , Persona de Mediana Edad , Estadificación de Neoplasias , Resultado del Tratamiento
7.
Int Braz J Urol ; 34(2): 151-8, 2008.
Artículo en Inglés | MEDLINE | ID: mdl-18462512

RESUMEN

PURPOSE: Our goal was to assess outcomes of a selective drain placement strategy during laparoscopic radical prostatectomy (LRP) with a running urethrovesical anastomosis (RUVA) using cystographic imaging in all patients. MATERIALS AND METHODS: A retrospective chart review was performed for all patients undergoing LRP between January 2003 and December 2004. The anastomosis was performed using a modified van Velthoven technique. A drain was placed at the discretion of the senior surgeon when a urinary leak was demonstrated with bladder irrigation, clinical suspicion for a urinary leak was high, or a complex bladder neck reconstruction was performed. Routine postoperative cystograms were obtained. RESULTS: 208 patients underwent LRP with a RUVA. Data including cystogram was available for 206 patients. The overall rate of cystographic urine leak was 5.8%. A drain was placed in 51 patients. Of these, 8 (15.6%) had a postoperative leak on cystogram. Of the 157 undrained patients, urine leak was radiographically visible in 4 (2.5%). The higher leak rate in the drained vs. undrained cohort was statistically significant (p = 0.002). Twenty-four patients underwent pelvic lymph node dissection (8 drained, 16 undrained). Three undrained patients developed lymphoceles, which presented clinically on average 3 weeks postoperatively. There were no urinomas or hematomas in either group. CONCLUSIONS: Routine placement of a pelvic drain after LRP with a RUVA is not necessary, unless the anastomotic integrity is suboptimal intraoperatively. Experienced clinical judgment is essential and accurate in identifying patients at risk for postoperative leakage. When suspicion is low, omitting a drain does not increase morbidity.


Asunto(s)
Drenaje , Laparoscopía/métodos , Prostatectomía/métodos , Adulto , Anciano , Anastomosis Quirúrgica/métodos , Contraindicaciones , Humanos , Cuidados Intraoperatorios/métodos , Masculino , Persona de Mediana Edad , Pelvis , Complicaciones Posoperatorias/prevención & control , Estudios Retrospectivos , Resultado del Tratamiento
8.
Int. braz. j. urol ; 34(2): 151-158, Mar.-Apr. 2008. graf, tab
Artículo en Inglés | LILACS | ID: lil-484446

RESUMEN

PURPOSE: Our goal was to assess outcomes of a selective drain placement strategy during laparoscopic radical prostatectomy (LRP) with a running urethrovesical anastomosis (RUVA) using cystographic imaging in all patients. Materials and Methods: A retrospective chart review was performed for all patients undergoing LRP between January 2003 and December 2004. The anastomosis was performed using a modified van Velthoven technique. A drain was placed at the discretion of the senior surgeon when a urinary leak was demonstrated with bladder irrigation, clinical suspicion for a urinary leak was high, or a complex bladder neck reconstruction was performed. Routine postoperative cystograms were obtained. RESULTS: 208 patients underwent LRP with a RUVA. Data including cystogram was available for 206 patients. The overall rate of cystographic urine leak was 5.8 percent. A drain was placed in 51 patients. Of these, 8 (15.6 percent) had a postoperative leak on cystogram. Of the 157 undrained patients, urine leak was radiographically visible in 4 (2.5 percent). The higher leak rate in the drained vs. undrained cohort was statistically significant (p = 0.002). Twenty-four patients underwent pelvic lymph node dissection (8 drained, 16 undrained). Three undrained patients developed lymphoceles, which presented clinically on average 3 weeks postoperatively. There were no urinomas or hematomas in either group. CONCLUSIONS: Routine placement of a pelvic drain after LRP with a RUVA is not necessary, unless the anastomotic integrity is suboptimal intraoperatively. Experienced clinical judgment is essential and accurate in identifying patients at risk for postoperative leakage. When suspicion is low, omitting a drain does not increase morbidity.


Asunto(s)
Adulto , Anciano , Humanos , Masculino , Persona de Mediana Edad , Drenaje , Laparoscopía/métodos , Prostatectomía/métodos , Anastomosis Quirúrgica/métodos , Cuidados Intraoperatorios/métodos , Pelvis , Complicaciones Posoperatorias/prevención & control , Estudios Retrospectivos , Resultado del Tratamiento
9.
Clinics ; Clinics;63(6): 731-734, 2008. tab
Artículo en Inglés | LILACS | ID: lil-497883

RESUMEN

PURPOSE: To report our initial experiences with laparoscopic partial cystectomy for urachal and bladder malignancy. MATERIALS AND METHODS: Between March 2002 and October 2004, laparoscopic partial cystectomy was performed in 6 cases at 3 institutions; 3 cases were urachal adenocarcinomas and the remaining 3 cases were bladder transitional cell carcinomas. All patients were male, with a median age of 55 years (45-72 years). Gross hematuria was the presenting symptom in all patients, and diagnosis was established with trans-urethral resection bladder tumor in 2 patients and by means of cystoscopic biopsy in the remaining 4 patients. Laparoscopic partial cystectomy was performed using the transperitoneal approach under cystoscopic guidance. In each case, the surgical specimen was removed intact entrapped in an impermeable bag. One patient with para-ureteral diverticulum transitional cell carcinoma required concomitant ureteral reimplantation. RESULTS: All six procedures were completed laparoscopically without open conversion. The median operating time was 110 minutes (90-220) with a median estimated blood loss of 70 mL (50-100). Frozen section evaluations of bladder margins were routinely obtained and were negative for cancer in all cases. The median hospital stay was 2.5 days (2-4) and the duration of catheterization was 7 days. There were no intraoperative or postoperative complications. Final histopathology confirmed urachal adenocarcinoma in 3 cases and bladder transitional cell carcinoma in 3 cases. At a median follow-up of 28.5 months (range: 26 to 44 months), there was no evidence of recurrent disease as evidenced by radiologic or cystoscopic evaluation. CONCLUSIONS: Laparoscopic partial cystectomy in carefully selected patients with urachal and bladder cancer is feasible and safe, offering a promising and minimally invasive alternative for these patients.


Asunto(s)
Anciano , Humanos , Masculino , Persona de Mediana Edad , Adenocarcinoma/cirugía , Carcinoma de Células Transicionales/cirugía , Cistectomía/métodos , Uraco/cirugía , Neoplasias de la Vejiga Urinaria/cirugía , Laparoscopía , Estadificación de Neoplasias , Resultado del Tratamiento
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