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Long-term oncologic outcomes of robotic low anterior resection for rectal cancer: a comparative study with laparoscopic surgery

 Park, Eun Jung  ;  Cho, Min Soo  ;  Baek, Se Jin  ;  Hur, Hyuk  ;  Min, Byung Soh  ;  Baik, Seung Hyuk  ;  Lee, Kang Young  ;  Kim, Nam Kyu 
 ANNALS OF SURGERY, Vol.261(1) : 129-137, 2015 
Journal Title
Issue Date
Adult ; Aged ; Conversion to Open Surgery/statistics & numerical data ; Databases, Factual ; Female ; Humans ; Laparoscopy* ; Length of Stay/statistics & numerical data ; Logistic Models ; Male ; Middle Aged ; Multivariate Analysis ; Patient Readmission/statistics & numerical data ; Rectal Neoplasms/surgery* ; Rectum/surgery* ; Retrospective Studies ; Robotic Surgical Procedures* ; Treatment Outcome
comparative effectiveness ; low anterior resection ; National Cancer Data Base ; oncologic outcomes ; rectal cancer ; robotic surgery
OBJECTIVE: The aim of this study is to evaluate long-term oncologic outcomes of robotic surgery for rectal cancer compared with laparoscopic surgery at a single institution. BACKGROUND: Robotic surgery is regarded as a new modality to surpass the technical limitations of conventional surgery. Short-term outcomes of robotic surgery for rectal cancer were acceptable in previous reports. However, evidence of long-term feasibility and oncologic safety is required. METHODS: Between April 2006 and August 2011, 217 patients who underwent minimally invasive surgery for rectal cancer with stage I-III disease were enrolled prospectively (robot, n = 133; laparoscopy, n = 84). Median follow-up period was 58 months (range, 4-80 months). Perioperative clinicopathologic outcomes, morbidities, 5-year survival rates, prognostic factors, and cost were evaluated. RESULTS: Perioperative clinicopathologic outcomes demonstrated no significant differences except for the conversion rate and length of hospital stay. The 5-year overall survival rate was 92.8% in robotic, and 93.5% in laparoscopic surgical procedures (P = 0.829). The 5-year disease-free survival rate was 81.9% and 78.7%, respectively (P = 0.547). Local recurrence was similar: 2.3% and 1.2% (P = 0.649). According to the univariate analysis, this type of surgical approach was not a prognostic factor for long-term survival. The patient's mean payment for robotic surgery was approximately 2.34 times higher than laparoscopic surgery. CONCLUSIONS: No significant differences were found in the 5-year overall, disease-free survival and local recurrence rates between robotic and laparoscopic surgical procedures. We concluded that robotic surgery for rectal cancer failed to offer any oncologic or clinical benefits as compared with laparoscopy despite an increased cost.
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1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Nam Kyu(김남규) ORCID logo https://orcid.org/0000-0003-0639-5632
Min, Byung Soh(민병소) ORCID logo https://orcid.org/0000-0003-0180-8565
Park, Eun Jung(박은정) ORCID logo https://orcid.org/0000-0002-4559-2690
Baek, Se Jin(백세진)
Baik, Seung Hyuk(백승혁) ORCID logo https://orcid.org/0000-0003-4183-2332
Lee, Kang Young(이강영)
Cho, Min Soo(조민수)
Hur, Hyuk(허혁) ORCID logo https://orcid.org/0000-0002-9864-7229
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