C150: Outcomes of robotic-assisted laparoscopic transperitoneal partial nephrectomy: A series of 16 patients

C150: Outcomes of robotic-assisted laparoscopic transperitoneal partial nephrectomy: A series of 16 patients

C150: Outcomes of robotic-assisted laparoscopic transperitoneal partial nephrectomy: A series of 16 patients Ener K.1, Canda A.E.2, Altinova S.3, Asil...

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C150: Outcomes of robotic-assisted laparoscopic transperitoneal partial nephrectomy: A series of 16 patients Ener K.1, Canda A.E.2, Altinova S.3, Asil E.3, Ozcan M.F.3, Atmaca A.F.2, Akbulut Z.3 1

Ankara Ataturk Education and Research Hospital, Dept. of Urology, Ankara, Turkey, 22Yildirim Beyazit University, School of Medicine,ankara Ataturk Training and Research Hospital, Depa, Dept. of Urology, Ankara, Turkey, 31Ankara Ataturk Training and Research Hospital, Department of Urology, Ankara, Turkey, Dept. of Urology, Ankara, Turkey INTRODUCTION & OBJECTIVES: To report the outcomes of robot-assisted laparoscopic partial nephrectomy (RAPN) procedures performed at our institution. MATERIAL & METHODS: Between 2009-2014, 16 patients underwent RAPN. Male: Female ratio was 13: 3. Mean ASA score was 1.6±0.6. A transperitoneal approach was used by using the da Vinci-S 4arm surgical robot. Outcomes were assessed retrospectively. RESULTS: Mean patient age was 53.5±9.6 (37-68) years. Mean body mass index was 27.6±3.6 (23.236) kg/m2. Mean tumor size was 2.9±0.8 (1.4-4.5) cm. R.E.N.A.L. nephrometry and Padua scores were 5.8±1.4 (4-9) and 7.7±1.2 (6-11) respectively. Mean operation time was 126.5±13.3 (100-155) minutes. Mean estimated blood loss was 74.3±41.3 (20-150) cc. Mean warm ischemia time was 19.5±6.1 (0-25) minutes. No intraoperative complication occurred. Perioperative (0-30 days) complication rate was assessed using the modified Clavien complication scale and only 2 Grade I complications occurred in 2 patients. Readmission rate during perioperative period was 0%. Mean duration of hospital stay was 3.8±0.8 (2-5) days. Fourth robotic arm was used in 9 cases. All but one patient had hilar clamping during RAPN. Histopathology included renal cell carcinoma in 12 cases (clear cell in 9 cases, chromophobe cell in 1 case, papillary cell in 1 case, clear cell-papillary in 1 case, Fuhrman grade I in 4 cases, Fuhrman grade II in 5 cases, Fuhrman grade III in 3 cases), oncositoma in 2 cases, adenoma in 1 case and chronic pyelonephritis in 1 case. Surgical margins were negative in all cases. After a mean follow-up of 13.3±8.8 (3-29) months, no local recurrence or distant metastasis was detected. CONCLUSIONS: Due to our experience, RAPN is a safe minimally invasive surgical approach that has excellent surgical and oncological outcomes in the treatment of small kidney masses. Eur Urol Suppl 2014; 13(6) e1333