title: Simultaneous bilateral total hip arthroplasty with a cementless femoral stem.
abstract: Simultaneous bilateral total hip arthroplasty (THA) is an increasingly common procedure. Although use of a cementless stem can eliminate cement complications, some surgeons limit application of cementless THA because of concerns about early implant loosening. In this article, we report on 30 cementless THA cases (15 patients) followed up for a minimum of 2 years (range, 26-50 months). Despite 73% of femoral bone being type B or type C, all stems showed stable bone ingrowth fixation and no evidence of subsidence. Polyethylene wear rates (left, 0.154 mm/y; right, 0.114 mm/y) did not differ significantly. The excellent clinical results obtained with simultaneous bilateral cementless THA are comparable with those obtained with unilateral THA.
authors.affiliation: McClure Musculoskeletal Research Center, Department of Orthopaedics and Rehabilitation, University of Vermont, Burlington, Vermont 05405, USA.
authors.forename: Robert M
authors.initials: RM
authors.lastname: Mihalich
authors.forename: Stephen J
authors.initials: SJ
authors.lastname: Incavo
authors.forename: John
authors.initials: J
authors.lastname: Martell
authors.forename: Kathryn
authors.initials: K
authors.lastname: Coughlin
authors.forename: Bruce
authors.initials: B
authors.lastname: Beynnon
mesh_terms: D000368:Aged; D019644:Arthroplasty, Replacement, Hip / Q000009:adverse effects / Q000379:methods*; D001843:Bone Cements; D015331:Cohort Studies; D005260:Female; D005500:Follow-Up Studies; D006622:Hip Prosthesis; D006801:Humans; D008297:Male; D008875:Middle Aged; D015207:Osteoarthritis, Hip / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery*; D011095:Polyethylenes / Q000494:pharmacology; D011183:Postoperative Complications / Q000517:prevention & control; D011474:Prosthesis Design; D011475:Prosthesis Failure; D017755:Prosthesis Fitting; D011859:Radiography; D012189:Retrospective Studies; D018570:Risk Assessment; D013997:Time Factors; D016896:Treatment Outcome
chemical_list: D001843:Bone Cements; D011095:Polyethylenes