Radiographic performance of two different total hip cemented arthroplasties. A survivorship analysis.
Detailed serial radiographic analysis of the femoral and acetabular components of 367 Charnley (cobalt-chrome alloy) and 383 STH (titanium alloy) primary cemented total hip prostheses was conducted. The follow-up of the Charnley prosthesis ranged from 1 to 16 years (mean follow-up, 9 years), and for the STH from 1 to 11 years (mean follow-up, 80 months). Both single period and survivorship analyses were done to evaluate the radiographic performance. The analysis revealed that the curved STH prostheses' overall radiographic performance was less satisfactory than the Charnley prostheses. However, the STH with a straight stem had significantly better radiographic performance compared with the Charnley prostheses in all parameters except in the incidence of bone-cement radiolucent lines.
Sarmiento
A
A
Department of Orthopaedics, UCLA School of Medicine.
Natarajan
V
V
Gruen
T A
TA
McMahon
M
M
D000293:Adolescent; D000328:Adult; D000368:Aged; D000497:Alloys; D001843:Bone Cements; D001862:Bone Resorption; D002858:Chromium Alloys; D005260:Female; D006621:Hip Joint / Q000000981:diagnostic imaging; D006622:Hip Prosthesis; D006801:Humans; D008124:Locomotion; D008297:Male; D008875:Middle Aged; D010146:Pain; D011474:Prosthesis Design; D011475:Prosthesis Failure; D011859:Radiography; D012189:Retrospective Studies; D014025:Titanium
D000497:Alloys; D001843:Bone Cements; D002858:Chromium Alloys; C031462:titanium alloy (TiAl6V4); D014025:Titanium