title: One-year followup of 214 total knee arthroplasties with navigated columbus implants.
abstract: In this study, 206 patients with 214 Columbus total knee arthroplasty (TKA) implants were followed up at 1 year. Preoperatively, patient demographics (mean [SD]) were 85 male; age, 69.7 (8.7) years; ASA score, 2.5 (0.7); body mass index, 32.2 (5.7); 161 degrees varus and 27 degrees valgus; fixed flexion, 5.6 degrees (6.1 degrees); flexion, 96.1 degrees (18.8 degrees); and Oxford score, 43 (7.0). At 1-year follow-up, results were fixed flexion, 0.9 degrees (2.6): maximum, 17 degrees, minimum, 0 degrees; flexion, 101.3 degrees (9.1): maximum, 125 degrees, minimum, 75 degrees; and Oxford score, 23 (7.7). Radiographs showed radiolucent lines in 6 femurs in 1 zone; 1 in 2 zones and 0 in more than 2 zones; and 3 tibias in 1 zone. There were 2 deep infections. Ninety-eight percent of patients were satisfied with their TKA.
authors.affiliation: Department of Orthopaedics, Golden Jubilee National Hospital, Clydebank, Glasgow, G81 4HX, United Kingdom.
authors.forename: Gopi
authors.initials: G
authors.lastname: Katipalli
authors.forename: Angela H
authors.initials: AH
authors.lastname: Deakin
authors.forename: Justine
authors.initials: J
authors.lastname: Greaves
authors.forename: Tracey
authors.initials: T
authors.lastname: Reynolds
authors.forename: Frederic
authors.initials: F
authors.lastname: Picard
mesh_terms: D000368:Aged; D019645:Arthroplasty, Replacement, Knee / Q000295:instrumentation* / Q000379:methods*; D019544:Equipment Failure Analysis; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007720:Knee Prosthesis; D008297:Male; D011182:Postoperative Care / Q000379:methods; D011379:Prognosis; D011474:Prosthesis Design; D020127:Recovery of Function; D025321:Surgery, Computer-Assisted / Q000379:methods*; D016896:Treatment Outcome