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Perioperative outcomes of robotic assisted laparoscopic surgery versus conventional laparoscopy surgery for advanced-stage endometriosis.

JSLS. 2014 Oct;18(4)

Authors: Nezhat FR, Sirota I

BACKGROUND AND OBJECTIVES: To determine perioperative outcome differences in patients undergoing robotic-assisted laparoscopic surgery (RALS) versus conventional laparoscopic surgery (CLS) for advanced-stage endometriosis.
METHODS: This retrospective cohort study at a minimally invasive gynecologic surgery center at 2 academically affiliated, urban, nonprofit hospitals included all patients treated by either robotic-assisted or conventional laparoscopic surgery for stage III or IV endometriosis (American Society for Reproductive Medicine criteria) between July 2009 and October 2012 by 1 surgeon experienced in both techniques. The main outcome measures were extent of surgery, estimated blood loss, operating room time, intraoperative and postoperative complications, and length of stay, with medians for continuous measures and distributions for categorical measures, stratified by body mass index values. Robotically assisted laparoscopy and conventional laparoscopy were then compared by use of the Wilcoxon rank sum, χ(2), or Fisher exact test, as appropriate.
RESULTS: Among 86 conventional laparoscopic and 32 robotically assisted cases, the latter had a higher body mass index (27.36 kg/m(2) [range, 23.90-34.09 kg/m(2)] versus 24.53 kg/m(2) [range, 22.27-26.96 kg/m(2)]; P < .0079) and operating room time (250.50 minutes [range, 176-328.50 minutes] versus 173.50 minutes [range, 123-237 minutes]; P < .0005) than did conventional laparoscopy patients. After body mass index stratification, obese patients varied in operating room time (282.5 minutes [range, 224-342 minutes] for robotic-assisted laparoscopy versus 174 minutes [range, 130-270 minutes] for conventional laparoscopy; P < .05). No other significant differences were noted between the robotic-assisted and conventional laparoscopy groups.
CONCLUSION: Despite a higher operating room time, robotic-assisted laparoscopy appears to be a safe minimally invasive approach for patients, with all other perioperative outcomes, including intraoperative and postoperative complications, comparable with those in patients undergoing conventional laparoscopy.

PMID: 25489208 [PubMed – in process]