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KMID : 0386420220350040162
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Journal of the Korean Fracture Society
2022 Volume.35 No. 4 p.162 ~ p.168
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Comparison of the Clinical and Radiological Outcomes of TFNA (Trochanteric Fixation Nail-Advanced) and PFNA-II (Proximal Femoral Nail Antirotation-II) Treatment in Elderly Patients with Intertrochanteric Fractures
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Kwon Min-Sung
Kim Young-Bok
Kong Gyu-Min
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Abstract
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Purpose: Trochanteric fixation nail advanced (TFNA) was modified to compensate for the shortcomings of proximal femoral nail antirotation-II (PFNA-II). The clinical and radiological outcomes of surgeries using the PFNA-II and TFNA for femoral intertrochanteric fractures were compared.
Materials and Methods: Eighty-two patients who underwent surgeries using PFNA-II or TFNA were analyzed. Only those who were followed up for more than a year were enrolled. Bone union, shortening of the femoral neck, and the tip?apex distance of the intramedullary nail were compared in the radiological findings. Clinical outcomes, including the frequency of complications and gait ability (Koval score), were also assessed.
Results: The mean follow-up periods were 22 and 19 months for the PFNA-II and TFNA groups, respectively. In the PFNA-II group, two cases of femoral head cut-out and one case of varus collapse were observed. In the TFNA group, only one case of femoral head cut-out was observed; however, there was no significant difference in the frequency of complications between the two groups (p=0.37). Additionally, both the shortening of the femoral neck and the decrease in gait ability after surgery showed relative improvement in the TFNA group compared to the PFNA-II group; however, there was no significant difference between the two groups.
Conclusion: The use of both TFNA and PFNA-II was associated with satisfactory outcomes. In patients who underwent surgeries using TFNA, the recovery of gait ability, frequency of complications, and shortening of the femoral neck were not significantly different from PFNA-II, suggesting that both are suitable instrument choices for intertrochanteric fracture treatment. However, the clinical significance must be further assessed using a larger group of patients over a longer follow-up period in future studies.
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KEYWORD
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Femur, Hip fractures, Intertrochanteric fractures, Intramedullary fracture fixation
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