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Objective To evaluate the outcomes and perioperative complication rates following robot- assisted transplant nephrectomy ((RATN). Methods All patients who underwent RATN at our institution were included. No exclusion criteria were applied. Clinical records were retrospectively reviewed and reported. This included preoperative, intraoperative, and postoperative outcomes. Complications were reported utilizing the Clavien-Dindo classification system. Descriptive statistics were reported using frequencies and percentages for categorical variables, means and standard deviation for continuous variables. Results Between July 2014 and April 2018, 15 patients underwent RATN. Most patients had the transplant in the right iliac fossa (13/15). Ten patients underwent a concomitant procedure. The total operative time for the entire cohort was 336 (±102) minutes (including cases who had concomitant procedures) and 259 (±46 minutes) when cases with concomitant procedures were excluded. Mean estimated blood loss was 383 (±444) mL. Postoperatively, 3 patients required blood transfusion. Average hospital stay was 4 (±2.7) days. Most patients had finding consistent with graft rejection on final pathology. There were 5 complications; 3 of which were minor (grade 2 = 2 and grade 3 = 1); one patient had a wound infection requiring dressing (3A) and one patient died due to pulmonary embolism following discharge. Limitations include small series and retrospective nature of the study. Conclusion This case series demonstrate that RATN is technically feasible. With continued experience and larger case series, the robotic approach may provide a minimally invasive alternative to open allograft nephrectomy.

To compare the perioperative and oncologic outcomes associated with open radical nephrectomy with tumor thrombus (O-RNTT) vs robot assisted radical nephrectomy with tumor thrombus (RA-RNTT). Renal cell carcinoma with venous tumor thrombus has traditionally been managed through an open surgical approach. The robot assisted approach may offers improved perioperative outcomes compared to open, but there are few studies comparing these 2.We analyzed patients with renal cell carcinoma and inferior vena cava tumor thrombus between 1998 and 2018, comparing perioperative and oncologic outcomes of these patients with Level I and Level II thrombus. Cohorts were stratified by surgical approach: O-RNTT vs RA-RNTT. Univariate analysis was conducted using chi-squared test and t tests when appropriate. Kaplan-Meier estimates were used to evaluate survival.Twenty-seven patients were in the O-RNTT group, and 24 in the RA-RNTT group. Patients in the RA-RNTT group, compared to the O-RNTT group, demonstrated shorter length of stay (3 vs 7 nights, P = .03), lower estimate blood loss (450 vs 1800 mL, P.01), and lower transfusion rate (21% vs 82%, P.01). The RA-RNTT group had 26% fever complications compared to the open (17% vs 43%, P.01). There was no significant difference in estimated overall survival or recurrence-free survival between the O-RNTT and RA-RNTT groups.RA-RNTT produced a shorter length of stay, less transfusions, and a lower rate of complications with no significant difference in overall survival.