Abstract
Intertrochanteric fractures constitute around 50% of the hip fractures and half of which are unstable. In this study, we aim to determine the tip apex distance as a predictor of failure in patients with peri-trochanteric fractures treated with PFN-A. A total of 50 patients with peri-trochanteric fractures were enrolled in the study, who underwent surgical xation with PFNA and were followed up at 6 weeks, 3months and 6 months. Position of helical blade and TAD were calculated on the post operative radiographs. The mean TAD in our study was 22.5+6.7 mm, with 66% patients having a TAD <25mm. The most common placement of the helical blade in the femoral head was in Centre-Centre position observed in 22 patients (44%) of the study population with 5 cases of cut-out failure observed in the study. The relationship between TAD and cut-out failure in PFNA was found to be statistically insignicant (p = 0.09).
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