#THA revisions in 3657 RA vs 446428 OA pts (mean F/U ~7y) find RA has signif incr risk of revision (HR 1.35); espec due to infx (HR 1.48), dislocation (1.87), aseptic loosening (0–3m; 2.81). No diff w/ cemented, cementless, hybrid THA. Age > 65 was main risk factor. https://t.co/iK6pL3QF1W