Abstract
As a novel procedure becomes more and more used, knowledge about its learning curve and its impact on outcomes is useful for future implementations. Our aim is (i) to identify the phases of the robotic rectal surgery learning process and assess the safety and oncological outcomes during that period, (ii) to compare the robotic rectal surgery learning phases outcomes with laparoscopic rectal resections performed before the implementation of the robotic surgery program. We performed a retrospective study, based on a prospectively maintained database, with methodological quality assessment by STROBE checklist. All the procedures were performed by the same two surgeons. A total of 157 robotic rectal resections from June 2018 to January 2022 and 97 laparoscopic rectal resections from January 2018 to July 2019 were included. The learning phase was completed at case 26 for surgeon A, 36 for surgeon B, and 60 for the center (both A & B). There were no differences in histopathological results or postoperative complications between phases, achieving the same ratio of mesorectal quality, circumferential and distal resection margins as the laparoscopic approach. A transitory increase of major complications and anastomotic leakage could occur once overcoming the learning phase, secondary to the progressive complexity of cases. Robotic rectal cancer surgery learning curve phases in experienced laparoscopic surgeons was completed after 25–35 cases. Implementation of a robotic rectal surgery program is safe in oncologic terms, morbidity, mortality and length of stay.
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Data availability
The data that support the findings of this study are available from the authors but restrictions apply to the availability of these data, not having been initially consented to its public diffusion, and so are not publicly available. Data are, however, available from the authors upon reasonable request and with permission from the Ethics Committee and the General and Digestive Surgery Department from University Hospital Reina Sofía, Córdoba, Spain.
Abbreviations
- BMI:
-
Body mass index
- ASA:
-
American society of anesthesiologist
- CRM:
-
Circumferential resection margin
- RRR:
-
Robotic rectal resection
- LRR:
-
Laparoscopic rectal resection
- CUSUM:
-
Cumulative sum
- LP:
-
Learning phase
- CP:
-
Competence phase
- TME:
-
Total mesorectal excision
- DRM:
-
Distal resection margin
- COT:
-
Console operative time
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Study design: RCL, MDM, FJMF. Manuscript writing: RCL, AVL, FJMF. Data acquisition (Surgeons): CADL, FJMF, EMTT. Critical review: FJMF, FJBD.
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Calleja, R., Medina-Fernández, F., Vallejo-Lesmes, A. et al. Transition from laparoscopic to robotic approach in rectal cancer: a single-center short-term analysis based on the learning curve. Updates Surg 75, 2179–2189 (2023). https://doi.org/10.1007/s13304-023-01655-9
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DOI: https://doi.org/10.1007/s13304-023-01655-9