Comparison of radiological and functional outcome of unstable intertrochanteric femur fractures treated using PFN and PF
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ORIGINAL ARTICLE • HIP - FRACT URE S
Comparison of radiological and functional outcome of unstable intertrochanteric femur fractures treated using PFN and PFNA‑2 in patients with osteoporosis Sharan Mallya1 · Surendra U. Kamath1 · Arkesh Madegowda1 · Sunil Lakshmipura Krishnamurthy1 · Manesh Kumar Jain1 · Ramesh Holla2 Received: 19 October 2018 / Accepted: 12 February 2019 © Springer-Verlag France SAS, part of Springer Nature 2019
Abstract Introduction Presently, unstable intertrochanteric femur fractures are treated commonly with intramedullary nailing devices. Various designs of intramedullary nail are introduced. The conventional Proximal Femoral Nail has given diverse outcome. Complications have also been noted with this implant. Newer designs like Proximal Femoral Nail Antirotation-2 have been introduced for Asian population. The aim of our study was to compare the radiological and functional outcome of unstable intertrochanteric femur fracture treated with conventional Proximal Femoral Nail and Proximal Femoral Nail Antirotation-2 in osteoporotic patients. Materials and methods Patients presenting with unstable intertrochanteric femur fracture (AO classification) and Singh’s index ≤ 3 were included. Patients were assigned to the groups based on the implant used for treatment (PFN and PFNA2 group). Post-operative radiographs were used to assess the quality of reduction, by calculating neck shaft angle. The quality of fixation was assessed, by calculating tip apex distance and Cleveland index. The duration of surgery, blood loss, number of fluoroscopic images taken and length of hospital stay were noted. Patients were followed up for 6 months, and complications were noted. The functional outcome was compared using modified Harris hip score. The data analysis was done using Student’s unpaired t test/Mann–Whitney U test and Chi-square test/Fisher’s exact test. A p value less than 0.05 was considered significant. Results Seventy-eight patients with unstable intertrochanteric fractures and Singh’s index
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