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Abstract The indication for total hip ,,~pla.cemcnt aHR) is typically pain and limi.tation of function of ihe hip joint. (J) Degenerative joint disease after an !acetabU~9.f fracture roay dc”elop as a Te-sult of residual artic\llar incongruity, damage to the articulwr cartilage at the time of ihe injury, 01 a vascular necrosis of the femoral headm ToW hip replacement after an acetabular fractu~e may be ~ THR as a treatment of certain lypes of acetabular fractures and in certain patients; or delayed Tl-IR aft~ the development of degenerative joint disease after fractJ.mes treated conservatively or by ORlf. The early lHRafter acute acetabular fractures is indicated in a highly selected group of patients especia~ly aceitabular ftactufl.”.S with sever arti¢Ular comminuationoT iJ;npaction,m;sJciated femoral head or neck I fractures particularly those in elderly patients.(3) , I Total hip replacement is a majo!” sUl:gt:ry especially after aD. aceW>ldar ftac;tun::; many secondary complicating faetots may beencounten:d during11IR after a.ce~bulllT fmctures. After initialll.Gllsurgical ~ of an acetabular ~, aJII occult or fmnkacetabular nOlluniGIl and malunion are DOtunoommoo IlIld may extend to the resid~ pelvic ring. ~ smgi.cm tfeatnlenl,.intrusive hwdware. heterotopic bone, dc:nse .scar tissue, Ischemic. muscle or booe,and occWt infection ere additional hazards 1hat may be ~tered. When ~ scietic: nervepal:sy, |