Postoperative Outcomes of Type 2-3 Trochanteric Fractures Treated with Double-Screw Intramedullary Nails: A Multicenter Prospective Study
- 1 Department of Orthopedic Surgery, Shin Chitose Clinic, Chitose City, Japan
- 2 Akita Hip Research Group (AHRG), Akita, Japan
- 3 Akita Hip Research Group (AHRG), Akita, Japan
- 4 Akita Hip Research Group (AHRG), Akita, Japan
- 5 Akita Hip Research Group (AHRG), Akita, Japan
- 6 Department of Orthopedic Surgery, Akita University Graduate School of Medicine, Akita, Japan
Abstract
Purpose: This paper aims to evaluate the postoperative outcomes of femoral trochanteric fractures with fracture lines extending to the base of the femoral neck (Type 2-3 fractures), treated with intramedullary nails featuring double screws into the femoral head. Methods: A multicenter prospective study enrolled 225 patients with proximal femoral fractures. Type 2-3 fractures were classified based on the Area classification using 3D-CT. We compared surgical outcomes among three types of short femoral nails with double lag screws. Results: Type 2-3 fractures accounted for 28.4% of cases. Among them, 79.7% were treated with nails incorporating double lag screws. No significant differences were found in failure rate, reduction quality, or operative parameters among different implant types. Conclusion: Good postoperative outcomes were achieved in Type 2-3 fractures using intramedullary nails with double screws into the femoral head, regardless of implant brand.
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