Arthroplasty for Pertrochanteric Hip Fractures

Area of Science:

• Orthopedic Surgery
• Traumatology
• Biomedical Engineering

Background:

• Pertrochanteric fractures are commonly treated with internal fixation devices like sliding hip screws or cephalomedullary nails.
• Certain patient factors, including ipsilateral hip osteoarthritis, avascular necrosis of the femoral head, or inflammatory arthritis, may complicate fixation.
• Unstable fracture patterns combined with poor bone quality increase risks of fixation failure, such as lag screw cut-out.

Purpose of the Study:

• To evaluate the role of arthroplasty as a primary treatment for pertrochanteric fractures, particularly in specific patient populations.
• To compare the outcomes of internal fixation versus arthroplasty in managing complex pertrochanteric fractures.
• To identify patient subgroups who may benefit from primary arthroplasty to minimize secondary procedures.

Main Methods:

• Review of current treatment strategies for pertrochanteric fractures.
• Analysis of clinical outcomes associated with internal fixation versus arthroplasty in relevant patient cohorts.
• Discussion of biomechanical challenges in treating unstable fractures with poor bone stock.

Main Results:

• Internal fixation is the primary method, but arthroplasty is recommended for patients with hip osteoarthritis, avascular necrosis, or inflammatory arthritis.
• Arthroplasty can reduce the need for subsequent surgeries in these specific patient groups.
• Unstable fractures with poor bone quality pose significant challenges for internal fixation, leading to higher failure rates.

Conclusions:

• Arthroplasty is a viable primary treatment option for pertrochanteric fractures in select patients, especially those with pre-existing hip pathology or poor bone quality.
• Considering arthroplasty upfront may prevent revision surgeries and improve patient outcomes.
• Further prospective randomized trials are necessary to definitively establish the optimal primary treatment strategy.