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Learning curve for inflatable mediastinoscopic and laparoscopic-assisted esophagectomy

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Abstract

Objective

To identify the morbidity that is associated with the learning curve of inflatable mediastinoscopic and laparoscopic-assisted esophagectomy (IMLE), and investigate the strategies to ride out the early period.

Methods

Our study included a retrospective series of 108 consecutive patients undergoing IMLE by a single surgeon with advanced training in minimally invasive esophageal surgery in independent practice at high-volume tertiary center from July 2017 to November 2020. The cumulative sum (CUSUM) method was used to analyze the learning curve. Patients were stratified into two groups in chronological order, defining the surgeon’s early (Group 1: the first 27 cases) and late experience (Group 2: the next 81 cases). Intraoperative characteristics and short-term surgical outcomes were compared between the two groups.

Results

A total of 108 patients were included. Three patients converted into thoracoscopic surgery. The number of patients with postoperative pulmonary infection was 16 (14.8%), and vocal cord palsy had occurred in 12 patients (11.1%). One patient died within 90 days after surgery. CUSUM plots revealed decreasing total operative time, thoracic procedure time, abdominal procedure time, assistant-adjustment time after patients 27, 17, 26, and 35, respectively.

Conclusion

IMLE is technically feasible, in terms of perioperative outcomes, for using as a radical surgery for thoracic esophageal cancer. For a surgeon experienced in minimally invasive esophageal surgery, experience of 27 cases is required to gain early proficiency of IMLE.

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Acknowledgements

This study was funded by 1•3•5 project for disciplines of excellence–Clinical Research Incubation Project, West China Hospital, Sichuan University (2018HXFH039), and did not receive any commercial interest support.

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Authors and Affiliations

  1. Department of Thoracic Surgery, West China Hospital, Sichuan University, No. 37, Guoxue Alley, Chengdu, Sichuan, China

    Weipeng Hu, Peisong Yuan, Yong Yuan, Longqi Chen & Yang Hu

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  1. Weipeng Hu
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  2. Peisong Yuan
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  3. Yong Yuan
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  5. Yang Hu
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Correspondence to Yang Hu.

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Authors Weipeng Hu, Peisong Yuan, Yong Yuan, Longqi Chen, Yang Hu have no conflicts of interest or financial ties to disclose.

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Hu, W., Yuan, P., Yuan, Y. et al. Learning curve for inflatable mediastinoscopic and laparoscopic-assisted esophagectomy. Surg Endosc 37, 4486–4494 (2023). https://doi.org/10.1007/s00464-023-09903-0

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  • DOI: https://doi.org/10.1007/s00464-023-09903-0

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