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Conference Paper: Heterotopic Ossification After Primary Total Hip Replacement

TitleHeterotopic Ossification After Primary Total Hip Replacement
Authors
Issue Date2013
PublisherHong Kong Academy of Medicine Press.
Citation
The 33rd Annual Congress of the Hong Kong Orthopaedic Association (HKOA), Hong Kong, China, 23-24 November 2013. In the Abstracts of the 33rd Annual Congress of the Hong Kong Orthopaedic Association (HKOA), 2013, p. 81, abstract no. 9.13 How to Cite?
AbstractIntroduction: Heterotopic ossification (HO) is a well-recognised complication of total hip replacement (THR). Reported incidence ranged from 8 to 90% in the western literature, but the incidence in Chinese is largely unknown. This study aimed at reviewing the incidence and clinical symptoms of HO. Materials and Methods: All consecutive THRs performed between 2008 and 2012 in our centre were reviewed. All were performed in posterior approach without perioperative HO prophylaxis. Patient’s gender, age, diagnosis, and types of prosthesis were recorded. Serial postoperative X-rays were reviewed for HO and were graded according to Brooker classification if present. Results: A total of 289 primary THRs were performed on 245 patients in the study period, and all had clinical and radiological follow-up for at least 2 years. In all, 5 all-cementless THRs (3 male and 2 female, all were Chinese) were found to have HO, and the calculated incidence was 1.7%. The HO was graded as class I in 2 hips, class II in 1 hip, and class III in 2 hips. Also, 3 had underlying diagnosis of primary osteoarthritis with the remaining being rheumatoid arthritis and ankylosis spondylitis. Among the patients with HO, 3 had no pain and 2 only reported occasional ache. They had a mean postoperative Harris Hip Score of 77.5. Discussion and Conclusion: The incidence of HO in our study was low compared with that in the western literature. The patients reported minimal clinical symptoms even when complicated by HO.
DescriptionConference Theme: Defying the Aging Spine
Concurrent Free Papers 9: Hips and Knees II
Persistent Identifierhttp://hdl.handle.net/10722/204340

 

DC FieldValueLanguage
dc.contributor.authorLeung, ASMen_US
dc.contributor.authorChan, PKen_US
dc.contributor.authorChiu, PKYen_US
dc.contributor.authorYan, CHen_US
dc.contributor.authorNg, FYen_US
dc.date.accessioned2014-09-19T22:41:16Z-
dc.date.available2014-09-19T22:41:16Z-
dc.date.issued2013en_US
dc.identifier.citationThe 33rd Annual Congress of the Hong Kong Orthopaedic Association (HKOA), Hong Kong, China, 23-24 November 2013. In the Abstracts of the 33rd Annual Congress of the Hong Kong Orthopaedic Association (HKOA), 2013, p. 81, abstract no. 9.13en_US
dc.identifier.urihttp://hdl.handle.net/10722/204340-
dc.descriptionConference Theme: Defying the Aging Spine-
dc.descriptionConcurrent Free Papers 9: Hips and Knees II-
dc.description.abstractIntroduction: Heterotopic ossification (HO) is a well-recognised complication of total hip replacement (THR). Reported incidence ranged from 8 to 90% in the western literature, but the incidence in Chinese is largely unknown. This study aimed at reviewing the incidence and clinical symptoms of HO. Materials and Methods: All consecutive THRs performed between 2008 and 2012 in our centre were reviewed. All were performed in posterior approach without perioperative HO prophylaxis. Patient’s gender, age, diagnosis, and types of prosthesis were recorded. Serial postoperative X-rays were reviewed for HO and were graded according to Brooker classification if present. Results: A total of 289 primary THRs were performed on 245 patients in the study period, and all had clinical and radiological follow-up for at least 2 years. In all, 5 all-cementless THRs (3 male and 2 female, all were Chinese) were found to have HO, and the calculated incidence was 1.7%. The HO was graded as class I in 2 hips, class II in 1 hip, and class III in 2 hips. Also, 3 had underlying diagnosis of primary osteoarthritis with the remaining being rheumatoid arthritis and ankylosis spondylitis. Among the patients with HO, 3 had no pain and 2 only reported occasional ache. They had a mean postoperative Harris Hip Score of 77.5. Discussion and Conclusion: The incidence of HO in our study was low compared with that in the western literature. The patients reported minimal clinical symptoms even when complicated by HO.-
dc.languageengen_US
dc.publisherHong Kong Academy of Medicine Press.-
dc.relation.ispartofAnnual Congress of the Hong Kong Orthopaedic Association (HKOA)en_US
dc.rightsAnnual Congress of the Hong Kong Orthopaedic Association (HKOA). Copyright © Hong Kong Academy of Medicine Press.-
dc.titleHeterotopic Ossification After Primary Total Hip Replacementen_US
dc.typeConference_Paperen_US
dc.identifier.emailChan, PK: cpk464@hku.hken_US
dc.identifier.emailChiu, PKY: pkychiu@hkucc.hku.hken_US
dc.identifier.emailYan, CH: yanchoi@hku.hken_US
dc.identifier.emailNg, FY: fyng@hkucc.hku.hken_US
dc.identifier.authorityChiu, PKY=rp00379en_US
dc.identifier.authorityYan, CH=rp00303en_US
dc.identifier.hkuros235789en_US
dc.identifier.hkuros240373-
dc.identifier.spage81, abstract no. 9.13en_US
dc.identifier.epage81, abstract no. 9.13en_US
dc.publisher.placeHong Kong, China-

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