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Surgical Endoscopy

, Volume 29, Issue 3, pp 558–568 | Cite as

Simultaneous development of laparoscopy and robotics provides acceptable perioperative outcomes and shows robotics to have a faster learning curve and to be overall faster in rectal cancer surgery: analysis of novice MIS surgeon learning curves

  • George Melich
  • Young Ki Hong
  • Jieun Kim
  • Hyuk Hur
  • Seung Hyuk Baik
  • Nam Kyu Kim
  • A. Sender Liberman
  • Byung Soh Min
Article

Abstract

Background

Laparoscopy offers some evidence of benefit compared to open rectal surgery. Robotic rectal surgery is evolving into an accepted approach. The objective was to analyze and compare laparoscopic and robotic rectal surgery learning curves with respect to operative times and perioperative outcomes for a novice minimally invasive colorectal surgeon.

Methods

One hundred and six laparoscopic and 92 robotic LAR rectal surgery cases were analyzed. All surgeries were performed by a surgeon who was primarily trained in open rectal surgery. Patient characteristics and perioperative outcomes were analyzed. Operative time and CUSUM plots were used for evaluating the learning curve for laparoscopic versus robotic LAR.

Results

Laparoscopic versus robotic LAR outcomes feature initial group operative times of 308 (291–325) min versus 397 (373–420) min and last group times of 220 (212–229) min versus 204 (196-211) min—reversed in favor of robotics; major complications of 4.7 versus 6.5 % (NS), resection margin involvement of 2.8 versus 4.4 % (NS), conversion rate of 3.8 versus 1.1 (NS), lymph node harvest of 16.3 versus 17.2 (NS), and estimated blood loss of 231 versus 201 cc (NS). Due to faster learning curves for extracorporeal phase and total mesorectal excision phase, the robotic surgery was observed to be faster than laparoscopic surgery after the initial 41 cases. CUSUM plots demonstrate acceptable perioperative surgical outcomes from the beginning of the study.

Conclusions

Initial robotic operative times improved with practice rapidly and eventually became faster than those for laparoscopy. Developing both laparoscopic and robotic skills simultaneously can provide acceptable perioperative outcomes in rectal surgery. It might be suggested that in the current milieu of clashing interests between evolving technology and economic constrains, there might be advantages in embracing both approaches.

Keywords

Colorectal Surgical Human/Robotic Rectal cancer 

Notes

Acknowledgement

We would like to express our gratitude to Mr. Martin Morris, Librarian, Medical Library, Royal Victoria Hospital, McGill University, Montreal, Canada for assistance with literature search and Mrs. Myo Jeong Kim, MS with Dr. Dong Wook Kim, PhD from the Biostatistics Collaboration Unit, Yonsei University College of Medicine, Seoul, South Korea for their help with statistical analysis. We also acknowledge and appreciate editing services of Mr. Shaun Fawcett of Final Draft Consulting, Montreal.

Disclosure

Drs. George Melich, Young Ki Hong, Jieun, Kim, and Sender Liberman have no conflicts of interest or financial ties to disclose. Drs. Hyuk Hur MD, Seung Hyuk Baik, Nam Kyu Kim, and Byung Soh Min have received in the past travel and speaking honoraria from Intuitive Surgical.

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • George Melich
    • 1
  • Young Ki Hong
    • 2
  • Jieun Kim
    • 3
  • Hyuk Hur
    • 4
  • Seung Hyuk Baik
    • 4
  • Nam Kyu Kim
    • 4
  • A. Sender Liberman
    • 1
  • Byung Soh Min
    • 4
  1. 1.Department of SurgeryMcGill UniversityMontrealCanada
  2. 2.Department of SurgeryNational Health Insurance Corporation Ilsan HospitalGoyangKorea
  3. 3.Biostatistics Collaboration UnitYonsei University College of MedicineSeoulKorea
  4. 4.Department of SurgeryYonsei University College of MedicineSeoulKorea

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