A Vancouver Type B2 periprosthetic femoral fracture following total hip arthroplasty is best defined as:
- A Fracture at the stem tip with a loose implant and adequate bone stock ✓
- B Fracture around or just distal to a well-fixed stem
- C Fracture at the stem tip with a well-fixed implant
- D Fracture distal to the stem tip
Correct answer: A. Fracture at the stem tip with a loose implant and adequate bone stock
Explanation
The Vancouver classification categorizes periprosthetic femoral fractures by location (A=trochanteric, B=around or just below the stem, C=well below the stem) and stem stability. Type B1 has a well-fixed stem, Type B2 has a loose stem with adequate bone stock, and Type B3 has a loose stem with poor bone stock. B2 fractures require revision arthroplasty with a long revision stem, while B1 fractures may be managed with internal fixation alone.
Reference: Maheshwari Essential Orthopaedics, 6th ed.
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Written and medically reviewed by the StethoPrep medical team.