Orthopedics · Joint Replacement — Advanced (THR/TKR Complications, Revision, Bearings, Periprosthetic Fractures)

A Vancouver type B2 periprosthetic femoral fracture after total hip replacement is best managed by:

  • A Open reduction and internal fixation with plate and cerclage wires
  • B Revision hip arthroplasty with a long-stem femoral component bypassing the fracture
  • C Conservative management in a hip spica cast
  • D Intramedullary nailing with supplementary cerclage wires
Correct answer: B. Revision hip arthroplasty with a long-stem femoral component bypassing the fracture

Explanation

Vancouver B2 fractures occur around a loose femoral stem; the stem fixation has failed, so simple ORIF will not address the unstable stem. Revision arthroplasty using a long-stem femoral component that bypasses the fracture by at least two cortical diameters (approximately 4–5 cm) is the standard of care. Vancouver B1 (stem well fixed) is treated with ORIF; Vancouver B3 (poor bone stock) may require impaction grafting or proximal femoral replacement.

Reference: Maheshwari Essential Orthopaedics, 6th ed.

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