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Related Experiment Video

Updated: Jul 14, 2026

Clinical Application of Single-Surgeon, Three-Port, Laparoscopic Resection for Colorectal Cancer with Natural Orifice Specimen Extraction

Clinical Application of Single-Surgeon, Three-Port, Laparoscopic Resection for Colorectal Cancer with Natural Orifice Specimen Extraction

Published on: March 24, 2023

Analysis of errors in laparoscopic surgical procedures.

N E Seymour¹, A G Gallagher, S A Roman

¹Department of Surgery, Yale University School of Medicine, 330 Cedar Street, New Haven, CT 06520-8062, USA. neal.seymour@bhs.org

Surgical Endoscopy

|March 18, 2004

Summary

This study developed a reliable method for analyzing surgical errors in laparoscopic cholecystectomy. The technique achieved high interrater agreement, improving surgeon training and patient safety.

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Last Updated: Jul 14, 2026

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Surgical Closure of Equine Abdomen, Prevention, and Management of Incisional Complications

Surgical Closure of Equine Abdomen, Prevention, and Management of Incisional Complications

Published on: May 10, 2024

Area of Science:

Surgical Education
Medical Error Analysis
Laparoscopic Surgery

Background:

Assessing laparoscopic surgeon ability is crucial for preventing training errors.
A practical method for surgical error analysis is presented.

Purpose of the Study:

To describe a practical method for surgical error analysis in laparoscopic cholecystectomy.
To establish the reliability of this method through interrater agreement.

Main Methods:

Eight specific errors were identified through consensus after reviewing laparoscopic cholecystectomy videos.
Expert reviewers, blinded to surgical team identity, assessed 14 gallbladder excision videos.
A scoring matrix using 1-minute segments was employed to record errors.

Main Results:

Initial consensus on error identification achieved 84-96% interrater agreement.
Subsequent independent review of videos demonstrated 84-100% interrater agreement across all error categories.

Conclusions:

Careful definition and training in recognizing targeted events enable excellent interrater agreement for procedural errors.
This reliable analysis tool can be extended to other procedures to identify behaviors linked to adverse clinical outcomes.