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Updated: Sep 6, 2025
03:22
Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion
Published on: November 10, 2023
850
Establishment of Thoracic Surgical Difficulty Assessment Scale based on Delphi method
1Department of Thoracic Surgery, Second Xiangya Hospital, Central South University, Changsha 410011, China. pengmuyun@csu.edu.cn.
Summary
This study developed a quantitative Thoracic Surgery Difficulty Evaluation Scale, demonstrating its reliability and validity for assessing surgical complexity. The scale aids in reducing surgical difficulty, managing complications, and training thoracic surgeons.
Area of Science:
- Thoracic Surgery
- Surgical Assessment
- Quantitative Evaluation
Background:
- Surgical difficulty in thoracic procedures has historically been subjective.
- A lack of quantitative methods hinders systematic evaluation of thoracic surgical difficulty.
Purpose of the Study:
- To establish a quantitative evaluation index system for thoracic surgical difficulty.
- To assess the reliability and validity of this new scale.
Main Methods:
- Utilized semi-open questionnaires and a 2-round Delphi method with 20 experts to identify and weight difficulty indicators.
- Constructed the Thoracic Surgery Difficulty Evaluation Scale and validated it using data from 127 thoracic tumor surgeries.
Main Results:
- Developed a scale with 5 main indexes and 16 secondary indexes, yielding a difficulty score from 1 (simple) to 3 (difficult).
- Demonstrated high reliability (Cronbach's α > 0.97) and validity, with significant correlations between the scale score and operation time, blood loss, and VAS.
- Identified higher postoperative complication rates in the difficult operation group (score > 1.85).
Conclusions:
- The quantitative Thoracic Surgery Difficulty Assessment Scale is reliable and valid for thoracic tumor surgery.
- The scale shows potential for improving surgical safety, reducing complications, and aiding surgeon training.
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