Publication: Prevalence of radiographic osteoarthritis and structural abnormalities of the hip in patients with contralateral hip fractures
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Issued Date
2016-10-01
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01252208
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2-s2.0-85007504627
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of the Medical Association of Thailand. Vol.99, No.10 (2016), 1119-1125
Suggested Citation
Pongtep Na Nakorn, Direk Tantigate, Pisit Lertwanich Prevalence of radiographic osteoarthritis and structural abnormalities of the hip in patients with contralateral hip fractures. Journal of the Medical Association of Thailand. Vol.99, No.10 (2016), 1119-1125. Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/41063
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Title
Prevalence of radiographic osteoarthritis and structural abnormalities of the hip in patients with contralateral hip fractures
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Abstract
© 2016, Medical Association of Thailand. All rights reserved. Background: The prevalence of osteoarthritis (OA) of the hip varies considerably among different races and ethnicities. Some bony abnormalities associated with the development of hip OA. Objective: To determine the prevalence of radiographic OA and structural abnormalities of the hip in patients with contralateral hip fractures. Material and Method: Pelvic AP radiographs of patients more than 60 years of age who had contralateral hip fractures were reviewed. Radiographic diagnosis of hip OA was determined by minimum joint space width ≤2 mm. Kellgren-Lawrence classification was also used for evaluation. Structural abnormalities of the acetabulum and proximal femur regarding femoroacetabular impingement were also assessed. Results: Plain radiographs of 152 patients with an average age of 77.4 years were included. One hundred and thirteen patients (74.3%) were female. Prevalence of radiographic OA of the hip (minimum joint space width ≤2 mm) was 9.9%. In addition, 9.2% of hips were Kellgren-Lawrence grade 2 or higher. Pistol grip deformity was found in 6 patients and all were male. Five patients (3.3%) had cross-over sign. No protrusio acetabuli was detected. Coxaprofunda was identified in 72 patients (47.4%). Average center-edgeangle was 37.1±6.2 degrees in hips with coxaprofunda, and 35.9±5.3 degrees in hips without coxaprofunda (p = 0.180). Conclusion: Prevalence of radiographic OA of the hip in patients with contralateral hip fractures was 9.9%. Coxaprofunda was a common radiographic finding.