Arthroplasty in the ankylotic hip.
A total of 30 cases submitted to arthroplasty for the treatment of ankylotic hip are reported. The clinical results show that movement improved in 63% of the cases, with recovery of normal joint excursion in 37%. Severe limping consequent to hypotrophy of the gluteal musculature persisted in 62% of the cases, requiring the use of two canes in 17% of the patients. There was pain < or = 3 based on the Merle D'Aubigné and Postel evaluation scale in 13% of the patients, while 87% remained totally asymptomatic. Radiographic results were favorable: the incidence of aseptic loosening 86 months after surgery in 25 cemented prostheses was 20% for the acetabulum and 12% for the stem, while the 5 cementless prostheses were stable an average of 27 months after surgery. The incidence of aseptic loosening was greater in patients < or = 45 years of age (30% vs 10%). Early complications included dislocation (6.6%), caused by hypotrophy of the gluteal musculature secondary to the ankylosis. Leg length discrepancy, which was present preoperatively in 10 cases with an interval ranging from -5 to 6 cm (mean 3 cm), was corrected in 6 cases and reduced by half in the remaining 4 patients.
Clinica Ortopedica, Università di Bologna.
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Toni
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Bueno Lozano
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Sudanese
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Terzi
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Calista
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Fanton
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Giunti
D000328:Adult; D000368:Aged; D000844:Ankylosis / Q000150:complications / Q000000981:diagnostic imaging / Q000601:surgery*; D001843:Bone Cements / Q000627:therapeutic use; D002908:Chronic Disease; D005260:Female; D005500:Follow-Up Studies; D006621:Hip Joint / Q000000981:diagnostic imaging; D006622:Hip Prosthesis / Q000706:statistics & numerical data; D006801:Humans; D008297:Male; D008875:Middle Aged; D011474:Prosthesis Design; D011475:Prosthesis Failure; D011859:Radiography
D001843:Bone Cements