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Long-term oncologic after robotic versus laparoscopic right colectomy: a prospective randomized study

  • 2018 SAGES Oral
  • Published:
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Abstract

Objective

The aim of this study was to compare the long-term outcomes of robot-assisted right colectomy (RAC) with those for conventional laparoscopy-assisted right surgery (LAC) for treating right-sided colon cancer.

Background

The enthusiasm for the robotic techniques has gained increasing interest in colorectal malignancies. However, the role of robotic surgery in the oncologic safety has not yet been defined.

Methods

From September 2009 to July 2011, 71 patients with right-sided colonic cancer were randomized in the study. Adjuvant therapy and postoperative follow-up were similar in both groups. The primary and secondary endpoints of the study were hospital stay and survival, respectively. Data were analyzed by intention-to-treat principle.

Results

The RAC and LAC groups did not differ significantly in terms of baseline clinical characteristics. Compared with the LAC group, RAC was associated with longer operation times (195 min vs. 129 min, P < 0.001) and higher cost ($12,235 vs. $10,319, P = 0.013). The median follow-up was 49.23 months (interquartile range 40.63–56.20). The combined 5-year disease-free rate for all tumor stages was 77.4% (95% confidence interval [CI], 60.6–92.1%) in the RAC group and 83.6% (95% CI 72.1–0.97.0%) in the LAC group (P = 0.442). The combined 5-year overall survival rates for all stages were 91.1% (95% CI 78.8–100%) in the RAC group and 91.0% (95% CI 81.3–100%) in the LAC group (P = 0.678). Using multivariate analysis, RAC was not a predictor of recurrence.

Conclusions

RAC appears to similar long-term survival as compared with LAC. However, we did not observe any clinical benefits of RAC which could translate to a decrease in expenditures.

Trial registry: http://www.ClinicalTrials.gov, number NCT00470951.

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Acknowledgements

This work was supported by Biomedical Research Institute grant, Kyungpook National University Hospital (Grant No. 2018). This research was supported by a grant of the Korea Health Technology R&D Project through the Korea Health Industry Development Institute (KHIDI), funded by the Ministry of Health & Welfare, Republic of Korea (Grant No. I15C0001).

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Author notes

  1. In Teak Woo and Jun Seok Park have contributed equally for the study as the first authors.

Authors and Affiliations

  1. Colorectal Cancer Center, School of Medicine, Kyungpook National University Medical Center, Kyungpook National University, Daegu, South Korea

    Jun Seok Park, Soo Yeun Park, Hye Jin Kim, In Teak Woo, In-Kyu Park & Gyu-Seog Choi

  2. Departments of Anesthesiology and Pain Medicine, College of Medicine, Chung-Ang University, Seoul, South Korea

    Hyun Kang & In Teak Woo

  3. Kyungpook National University Bio-Medical Research Institute, Daegu, South Korea

    Jun Seok Park & In Teak Woo

  4. Department of Surgery, Colorectal Cancer Center, School of Medicine, Kyungpook National University Medical Center, Kyungpook National University, 807, Hogukno, Buk-gu, 702-210, Daegu, South Korea

    Gyu-Seog Choi

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  1. Jun Seok Park
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Contributions

Analysis and writing of manuscript are attributed to Jun Seok Park and In Teak Woo. Responsibility to correspondence and study proposal are attributed to Gyu-Seog Choi. Enrollment of patients, statistical analysis, and study proposal are attributed to Hye Jin Kim Hyun Kang, In Teak Woo, In-Kyu Par,k and Soo Yeun Park.

Corresponding author

Correspondence to Gyu-Seog Choi.

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Disclosures

Jun Seok Park, Hyun Kang, Soo Yeun Park, Hye Jin Kim, In Teak Woo, In-Kyu Park, Gyu-Seog Choi have no conflicts of interest or financial ties to disclose.

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Park, J.S., Kang, H., Park, S.Y. et al. Long-term oncologic after robotic versus laparoscopic right colectomy: a prospective randomized study. Surg Endosc 33, 2975–2981 (2019). https://doi.org/10.1007/s00464-018-6563-8

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  • DOI: https://doi.org/10.1007/s00464-018-6563-8

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