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International Journal of Orthopaedics Sciences
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International Journal of Orthopaedics Sciences

2017, Volume 3 Issue 3

Functional outcome of comminuted unstable subtrochanteric fractures treated by proximal femoral nail [PFN]

Author(s): Dr. Bindulal VA and Dr. Nabeel Mohammed
Abstract: Background: Subtrochanteric fractures are often difficult to treat and may well be associated with a mortality of more than 20%. The subtrochanteric region is the site of very high mechanical stresses, the medial and posteromedial cortices were subject to high compressive forces whereas the lateral cortex experiences high tensile forces. Operative management is the treatment of choice to achieve the goals of early rehabilitation and optimal functional recovery. The purpose of the present study is to evaluate functional outcome of the subtrochanteric fractures -both high energy and low energy -treated by PFN. Functional as well as anatomical results were evaluated with regard to pain, limping, activities, deformity and range of movements. The present study was done with the hope to find out a solution for the treatment of unstable comminuted subtrochanteric fractures.
Materials and Methods: A total of 24 patients with subtrochanteric fractures presenting in the Department of Orthopaedics from August 2015 to August 2016 were treated by closed intramedullary nailing using PFN and the peroperative and postoperative complications and the functional outcome were studied. All the data was arranged in a tabulate form and analyzed using SPSS software. Chi square test was applied as a test of significance. Probability value of less than 0.05 was considered significant.
Result: Out of the 24 patients 16 (66.66%) were males and 8 (33.34%) were females. Most of the cases came under. Type IB (62.50%) and Type IA (20.84%). There were 8.3% cases each of Type II A and Type II B. In this study, 14 cases (58.34%) were locked proximally and distally with 2 screws each. In 4 cases (16.66%), 2 proximal screws and 1 distal screw, in 2 cases of intertrochanteric fracture, only 2 proximal screws were used. Average duration taken for union in this study was 4.5 months (Ranges from 3 months to 7.5 months). 22 (90%) united by 6 months. There were no cases of infection. No shortening in 10 cases. Less than 1 cm shortening in 9 cases and 3.2 cm shortening in one case was found. Proximal screw penetration was noted in one case (RT type II A) at the time of 3 months follow up.
Conclusion: PFN is a safe, effective and patient friendly device useful for the treatment of all subtrochanteric fractures irrespective of their comminution. Early mobilization and rehabilitation is possible since it is a closed intramedullary procedure.
Pages: 1152-1156  |  954 Views  19 Downloads
How to cite this article:
Dr. Bindulal VA, Dr. Nabeel Mohammed. Functional outcome of comminuted unstable subtrochanteric fractures treated by proximal femoral nail [PFN]. Int J Orthop Sci 2017;3(3):1152-1156. DOI: 10.22271/ortho.2017.v3.i3p.166
International Journal of Orthopaedics Sciences