A comparison of walking ability between the dynamic hip screw and cephalomedullary nailing fixations in intertrochanteric femur fracture

Abstract

Introduction: Fractures of the hip are common injuries; approximately 50% of fractures occur in the intertrochanteric region. The treatment is to restore patients to their pre-injury level of mobility. Secure fixation is required to allow immediate return to unrestricted weight-bearing. The common fixation methods are dynamic hip screw (DHS) and proximal femoral nail anti-rotation (PFNA). This study compared postoperative walking ability in femoral intertrochanter fractures treated with DHS and PFNA and evaluated the confounding factors. Methods: We conducted a retrospective cross-sectional conducted at Wahidin Sudirohusodo General Hospital and Universitas Hasanuddin Hospital for patients from 2018 to 2021. The sample was patients with intertrochanteric femoral fracture based on x-ray treated with DHS and PFNA using the purposive sampling method. A total of 107 patients with complete medical record data were included in this research, consisting of 81 DHS cases and 26 PFNA cases. Obtained data from these patients were then statistically analyzed by Chi-square and Fischer exact test. The p-value <0.05 was significant. Results: In bivariate analysis, the percentage of weight-bearing subjects was higher in DHS (61.7%) than in PFNA (46.2%), although not statistically significant (p>0.05). By controlling for confounding factors such as age, gender, type of fracture, and length of stay, it turns out that there is no significant difference in the results of the postoperative walking ability comparison. Conclusion: It was concluded that there was no difference in weight-bearing walking ability (full and partial) at discharge between PFNA and DHS.

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