title: Randomized clinical trial of robot-assisted versus standard laparoscopic right colectomy.
abstract: BACKGROUND
  Robotic surgery was invented to overcome the demerits of laparoscopic technique. However, it is unclear whether robot-assisted colectomy (RAC) has significant clinical advantages over laparoscopically assisted colectomy (LAC) in treating colonic cancer. The aim of this study was to compare the surgical outcomes of RAC versus LAC for right-sided colonic cancer.
  
  
  METHODS
  Patients with right-sided colonic cancer were randomized to receive RAC or LAC. The primary outcome measure was length of hospital stay. Secondary outcomes were duration of operation, morbidity, postoperative pain, hospital costs and pathological quality of the specimen.
  
  
  RESULTS
  Of 71 patients randomized, 70 (35 in each group) were included in the analysis. Hospital stay, surgical complications, postoperative pain score, resection margin clearance and number of lymph nodes harvested were similar in both groups. The duration of surgery was longer in the RAC group (195 versus 130 min; P < 0·001). No conversion to open surgery was needed in either group. Overall hospital costs were significantly higher for RAC (US $ 12,235 versus $ 10,320; P = 0·013); the higher costs were attributed primarily to the costs of surgery, including consumables.
  
  
  CONCLUSIONS
  Robotic-assisted laparoscopic right colectomy was feasible but provided no benefit to justify the greater cost.
  
  
  BACKGROUND
  NCT01042743 (http://www.clinicaltrials.gov).
authors.affiliation: Colorectal Cancer Centre, Kyungpook National University Medical Centre, School of Medicine, Kyungpook National University, 474 Hakjeongdong, Buk-gu, Daegu 702-210, Korea.
authors.forename: J S
authors.initials: JS
authors.lastname: Park
authors.forename: G-S
authors.initials: GS
authors.lastname: Choi
authors.forename: S Y
authors.initials: SY
authors.lastname: Park
authors.forename: H J
authors.initials: HJ
authors.lastname: Kim
authors.forename: J P
authors.initials: JP
authors.lastname: Ryuk
mesh_terms: D000368:Aged; D003082:Colectomy / Q000191:economics / Q000379:methods*; D003110:Colonic Neoplasms / Q000191:economics / Q000601:surgery*; D003365:Costs and Cost Analysis; D005240:Feasibility Studies; D005260:Female; D006801:Humans; D007431:Intraoperative Complications / Q000209:etiology; D010535:Laparoscopy / Q000191:economics / Q000379:methods*; D007902:Length of Stay; D008197:Lymph Node Excision / Q000191:economics / Q000379:methods; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications / Q000209:etiology; D012371:Robotics / Q000191:economics / Q000379:methods*; D016896:Treatment Outcome