[Comparison of PFNA and DHS for the treatment of elderly unstable intertrochanteric fractures of femur].

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Abstract

[Indexed for MEDLINE] Conflict of interest statement: The authors of this article and the planning committee members and staff have no relevant financial relationships with commercial interests to disclose. 11. Med Princ Pract. 2007;16(3):198-202. doi: 10.1159/000100390. Classifying intertrochanteric fractures of the proximal femur: does experience matter? Fung W(1), Jonsson A, Buhren V, Bhandari M. Author information: (1)Division of Orthopaedic Surgery, McMaster University and the Clinical Research Group, Hamilton, Ontario, Canada. OBJECTIVE: This prospective study aimed to evaluate inter-observer 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. DOI: 10.1159/000100390