OBJECTIVE: To evaluate the feasibility and safety of performing robotic-assisted laparoscopic partial nephrectomy (RAPN) as outpatient surgery in patients with renal masses. MATERIALS AND METHODS: We analyzed RAPN performed by a single surgeon at an academic medical center from July 2018 to June 2019 and identified those individual patients who were discharged on the same day. These cases were then compared to a concurrent inpatient RAPN group. Relationships with outcome analyzed using Fisher's exact test and Student's t test. RESULTS: Twenty-three of 84 RAPNs (27.4%) were performed as ambulatory. Mean age was 57.4 years. Average tumor size was 2.24 cm. The mean total operative time was 99.4 minutes. Average estimated blood loss was 51.0 mL. When compared to the cohort of patients who stayed overnight, on multivariate analysis, the tumor size (2.24 ± 0.71 vs 3.65 ± 1.55 cm, P <0.001), and operative time (99.5 ± 25.1 vs 131.2 ± 30.8 minutes, P <0.001) were less in ambulatory cases. No differences were seen in regards to Charlson comorbidity index, age, gender, body mass index, estimated blood loss, or surgical approach. Within 90 days of postoperative period, the readmission rate for the entire cohort was 0. CONCLUSION: RAPN can be performed safely as ambulatory in select patients with comparable outcome without complication or hospital readmission.
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