Open access
Aug 2026
Collared Stems Are Associated With Reduced Early Aseptic Loosening and All-Cause Revision Rate.
BACKGROUND The influence of collar design on femoral stem survival in total hip arthroplasty (THA) remains debated despite its potential biomechanical advantages. This registry analysis investigated whether collared stems demonstrate superior survival compared to non-collared designs in primary THA. METHODS A retrosp...
F. Oettl, D. Dimitriou, Patrick O. Zingg et al.
· Journal of Arthroplasty · 0 citations