The Porous-Coated Anatomic total knee experience. Special emphasis on complications and wear.
One hundred sixty knees in 141 patients with the Primary Porous-Coated Anatomic prosthesis (Howmedica, Rutherford, NJ) were evaluated after a follow-up period of 5.6 years (range, 1-10 years). One hundred six knees were in the latest follow-up evaluation, including clinical examination and a defined standing radiograph with a follow-up period of 6.3 years (range, 3-10 years). Survivorship analysis regarding the cumulative revision rate (including completion with a patellar component) was 0.88 at the 8-year and 0.84 at the 10-year follow-up examination. The clinical result was satisfying/good, with a mean Hospital for Special Surgery score of 83 (range, 39-97). Five percent had thinning greater than 30% of the tibial component. The wear was calculated to be 1.0 mm (range, 0-9 mm), including three revised tibial components with heavy wear. Excluding the revised cases, the wear was 0.7 mm.
Toksvig-Larsen
S
S
Department of Orthopedics, University Hospital, Lund, Sweden.
Ryd
L
L
Stentström
A
A
Dansgård
F
F
Jonsson
K
K
Robertson
O
O
Lindstrand
A
A
D000368:Aged; D000369:Aged, 80 and over; D005069:Evaluation Studies as Topic; D005260:Female; D005500:Follow-Up Studies; D050723:Fractures, Bone / Q000209:etiology; D006801:Humans; D004204:Joint Dislocations / Q000209:etiology; D007593:Joint Instability / Q000209:etiology; D007719:Knee Joint / Q000601:surgery*; D007720:Knee Prosthesis / Q000009:adverse effects; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000209:etiology; D010003:Osteoarthritis / Q000601:surgery*; D010329:Patella / Q000293:injuries; D011474:Prosthesis Design; D011475:Prosthesis Failure; D011655:Pulmonary Embolism / Q000209:etiology; D016059:Range of Motion, Articular; D012044:Regression Analysis; D012086:Reoperation; D016019:Survival Analysis; D013924:Thrombophlebitis / Q000209:etiology; D016896:Treatment Outcome; D016138:Walking