[Analysis of the treatment failures for intertrochanteric fractures with dynamic hip screw (DHS)].

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Abstract

[Indexed for MEDLINE] 17. Nan Fang Yi Ke Da Xue Xue Bao. 2009 Oct;29(10):2088-90. [Establishment of a digital Evans-Jensen classification model of femoral intertrochanteric fracture]. [Article in Chinese] Liu YG(1), Pei GX, Wang D, Jin D, Jiang XR, Zhang XQ. Author information: (1)Department of Orthopedics and Traumatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China. liuyg365@163.com OBJECTIVE: To establish a digitized Evans-Jensen classification model of femoral intertrochanteric fracture. METHODS: The hip of a healthy male volunteer was examined with 64-slice spiral CT, and the data were processed using Mimics 10.01 software to reconstruct the proximal femur model. According to Evans-Jensen classification criteria of femoral intertrochanteric fracture, each type of fracture model was simulated. Five orthopedic surgeons and 10 medical students undertook the preliminary evaluation of the digital fracture model. RESULTS: The digital fracture model is intuitive, three-dimensional, and realistic with good visual effect. The fracture could be observed and charted from optional direction and angle. The corresponding animation allowed 360 degrees rotation. Evaluation by the 4 orthopedic surgeons and 10 medical students confirmed that the digital fracture model was intuitive and easy to understand. CONCLUSION: The digital model of femoral intertrochanteric fracture is intuitive, three-dimensional, realistic and dynamic, and may help in clinical practice and medical teaching.