Postop periprosthetic femoral Fx (POPFF) post hip replacement (THR) is uncommon. POPFF needing surgery 0.92 per 1,000 prostheses years; higher in elderly (1.31) & w/ THR for hip Fx (2.19). 1% risk of POPFF w/in 10yrs of THR (15% these die w/in 1 yr) https://t.co/8u3WUWhHnU https://t.co/LfOSPpYbzw