Validation of a surgical difficulty grading system in laparoscopic cholecystectomy for acute cholecystitis

Author:

Asai Koji1ORCID,Ohyama Tetsuji2,Watanabe Manabu1ORCID,Moriyama Hodaka1ORCID,Kujiraoka Manabu1,Watanabe Ryutaro1ORCID,Shigeta Kenta1,Kakizaki Nanako1,Hagiwara Osahiko1,Saida Yoshihisa1ORCID

Affiliation:

1. Department of Surgery Toho University Ohashi Medical Center Tokyo Japan

2. Biostatistics Center, Kurume University Fukuoka Japan

Abstract

AbstractBackgroundThe surgical difficulty of laparoscopic cholecystectomy (LC) for acute cholecystitis varies from case to case, and appropriate intraoperative evaluation would help prevent bile duct injury (BDI).MethodsWe analyzed 178 patients who underwent LC for acute cholecystitis. Expert surgeons and trainees individually evaluated the surgical difficulty. The inter‐rater agreement was analyzed using Conger's κ and Gwet's agreement coefficient (AC). Furthermore, we analyzed the predictive surgical difficulty item for performing subtotal cholecystectomy (STC).ResultsRegarding the inter‐rater agreement between expert surgeons and trainees, 15 of the 17 surgical difficulty items had a Gwet's AC of 0.5 or higher, indicating “moderate” agreement or higher. Furthermore, the highest and total surgical difficulty scores were deemed “substantial” agreement. Scarring and dense fibrotic changes around the Calot's triangle area with easy bleeding with/without necrotic changes were predictive of whether STC should be performed.ConclusionsThis surgical difficulty grading system is expected to be a tool that can be used by any surgeon with LC experience. STC should be performed to prevent BDI according to the changes around the Calot's triangle area.

Publisher

Wiley

Subject

Hepatology,Surgery

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