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A new innovative laparoscopic fundoplication training simulator with a surgical skill validation system

Abstract

Purpose

We developed and validated a specific laparoscopic fundoplication simulator for use with the objective endoscopic surgical skills evaluation system. The aim of this study was to verify the quality of skills of surgeons.

Materials and methods

We developed a 1-year-old infant body model based on computed tomography data and reproduced pneumoperitoneum model based on the clinical situation. The examinees were divided into three groups: fifteen pediatric surgery experts (PSE), twenty-four pediatric surgery trainees (PSN), and ten general surgeons (GS). They each had to perform three sutures ligatures for construction of Nissen wrap. Evaluate points are time for task, the symmetry of the placement of the sutures, and the uniformity of the interval of suture ligatures in making wrap. And the total path length and velocity of forceps were measured to assess bi-hand coordination.

Results

PSE were significantly superior to PSN regarding total time spent (p < 0.01) and total path length (p < 0.01). GS used both forceps faster than the other groups, and PSN used the right forceps faster than the left forceps (p < 0.05). PSE were shorter with regard to the total path length than GS (p < 0.01). PSE showed most excellent results in the symmetry of the wrap among three groups.

Conclusion

Our new model was used useful to validate the characteristics between GS and pediatric surgeon. Both PSE and GS have excellent bi-hand coordination and can manipulate both forceps equally and had superior skills compared to PSN. In addition, PSE performed most compact and accurate skills in the conflicted operative space.

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Acknowledgments

We thank Brian Quinn for his comments and help with the manuscript. This study was supported by Grants-in-Aid for Scientific Research from the Japan Society for the Promotion of Science (JSPS, Nos. 25293360, 26670765, and 15K01355), JFE (the Japanese Foundation for Research and Promotion of Endoscopy), and J-CASE (Japanese Consortium of Advanced Surgical Endoscopy).

Author information

Correspondence to Satoshi Ieiri.

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Disclosures

Takahiro Jimbo, Satoshi Ieiri, Satoshi Obata, Munenori Uemura, Ryota Souzaki, Noriyuki Matsuoka, Tamotsu Katayama, Kouji Masumoto, Makoto Hashizume, and Tomoaki Taguchi declare that they have no conflict of interest or financial ties to disclose.

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Jimbo, T., Ieiri, S., Obata, S. et al. A new innovative laparoscopic fundoplication training simulator with a surgical skill validation system. Surg Endosc 31, 1688–1696 (2017). https://doi.org/10.1007/s00464-016-5159-4

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Keywords

  • Endoscopic surgery
  • Objective skill assessment
  • Pediatric surgeon
  • Fundoplication