title: A hydroxyapatite-coated total knee replacement: prospective analysis of 1000 patients.
abstract: We prospectively reviewed 1000 consecutive patients who underwent a cementless, hydroxyapatite-coated, stemless, total knee replacement over a period of nine years. Regular post-operative clinical follow-up was performed using the Knee Society score. The mean pre-operative score was 96, improving to 182 and 180 at five and ten years, respectively. To date, there have been seven (0.5%) cases which required revision, primarily for septic loosening (four cases), with low rates of other post-operative complications. The cumulative survival at ten years with revision as the end-point, was 99.14% (95% confidence interval 92.5 to 99.8). These results support the use of hydroxyapatite in a cementless total knee replacement since it can give reliable fixation with an excellent clinical and functional outcome.
authors.affiliation: The Autralian Institute of Musculoskeletal Research, Sydney, Australia. mervcros@ozoemail.com.au
authors.forename: M J
authors.initials: MJ
authors.lastname: Cross
authors.forename: E N
authors.initials: EN
authors.lastname: Parish
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D019645:Arthroplasty, Replacement, Knee / Q000379:methods; D020099:Coated Materials, Biocompatible / Q000627:therapeutic use*; D017886:Durapatite / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D007719:Knee Joint / Q000503:physiopathology; D007720:Knee Prosthesis; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D011446:Prospective Studies; D011475:Prosthesis Failure; D016059:Range of Motion, Articular; D012086:Reoperation; D012720:Severity of Illness Index; D016019:Survival Analysis; D016896:Treatment Outcome
chemical_list: D020099:Coated Materials, Biocompatible; D017886:Durapatite