A retrospective clinical and radiographic review of 173 hydroxyapatite-coated screw cups with 5- to 10-year follow-up, showing low revision rates for fixation failure.
We reviewed the midterm results of 173 hydroxyapatite-coated screw cups. The average follow-up was 6.5 years (range, 5-9 years). The follow-up rate was 93%. Patients were assessed using the Merle D'Aubigne-Postel clinical scoring scale and by radiographic review. Two patients had revision surgery for recurrent dislocation (1.2%), 3 patients were revised for aseptic loosening (1.7%), 1 patient underwent revision surgery because of deep prosthetic infection (0.6%), and 2 patients were revised for polyethylene wear without loosening (1.2%), which gave a total revision rate of 4.7%. The average postoperative Merle D'Aubigne-Postel scores were 5.7 for pain, 5.5 for range of motion, and 5.4 for function.
Mann
C J
CJ
Conquest Hospital, The Ridge, St Leonards-on-Sea, East Sussex, United Kingdom. vascmann@aol.com
McNally
S
S
Taylor
E
E
Shepperd
J A N
JA
D000368:Aged; D019644:Arthroplasty, Replacement, Hip; D001672:Biocompatible Materials / Q000627:therapeutic use; D017886:Durapatite / Q000627:therapeutic use; D005260:Female; D005500:Follow-Up Studies; D006622:Hip Prosthesis; D006801:Humans; D008297:Male; D011474:Prosthesis Design; D012086:Reoperation; D012189:Retrospective Studies; D016896:Treatment Outcome
D001672:Biocompatible Materials; D017886:Durapatite