Classifying intertrochanteric fractures of the proximal femur:: Does experience matter?

被引:34
|
作者
Fung, Wayne
Joensson, Anders
Buehren, Volker
Bhandari, Mohit
机构
[1] McMaster Univ, Div Orthopaed Surg, Hamilton, ON, Canada
[2] Clin Res Grp, Hamilton, ON, Canada
[3] Osteosynth & Trauma Care Fdn, Trauma Care Inst, Nice, France
关键词
hip; proximal femur; intertrochanteric fractures;
D O I
10.1159/000100390
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Objective: This prospective study aimed to evaluate interobserver agreement of the AO/OTA and Evans/Jensen classification systems with an emphasis on the effect of reviewer experience. In addition, the level of agreement in the determination of fracture stability across varying levels of experience was evaluated. Subject and Methods: A group of 12 reviewers (6 surgeons, 3 senior residents, 3 junior residents) independently assessed 56 radiographs of intertrochanteric hip fractures and classified them using the AO/OTA and Evans/Jensen systems. Reviewers further assessed the stability of the fracture patterns. Results: Overall, higher agreement was obtained for the AO/OTA classification than with the Evans/Jensen classification. However, neither classification system met acceptable thresholds for reliability. Surgeons were unable to reliability determine if fractures were stable or unstable. Increased experience improved AO/OTA classification reliability and assessment of stability but decreased agreement in the Evans/Jensen classification. Conclusion: The AO/OTA classification should be used in favor of the Evans/Jensen classification whenever possible. Our findings suggest that surgeons' perceptions about stability vary to a significant extent thereby necessitating clear definitions of stability. Copyright (C) 2007 S. Karger AG, Basel.
引用
收藏
页码:198 / 202
页数:5
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