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Conference Paper: Survival Analysis of Primary Total Knee Arthroplasty in a Teaching Hospital: A Study of 977 Cases

TitleSurvival Analysis of Primary Total Knee Arthroplasty in a Teaching Hospital: A Study of 977 Cases
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. 76, abstract no. 9.4 How to Cite?
AbstractIntroduction: The study aimed to report the survivorship for primary total knee arthroplasty (TKA) in a teaching hospital. Materials and Methods: Data from the hospital’s prospective joint registry on all patients undergoing primary TKAs in Queen Mary Hospital from 2000 to 2007 were identified and reviewed. Results: From 2000 to 2007, 977 TKAs (799 female, 178 male; 482 left-sided and 495 right-sided) were performed. Their mean (± standard deviation) age at operation was 68.4 ± 8.7 years. The primary diagnoses included osteoarthritis (n = 919), rheumatoid arthritis (n = 47), and others (n = 11). The mean follow-up duration was 7.8 ± 3.2 years. Posterior stabilising prostheses were used in 550 (56.3%) knees while rotating platform in 424 (43.4%) knees and constrained prostheses in 3 (0.3%) knees. Also, 36 (3.7%) patients underwent revision surgery (24 aseptic loosening, 11 infection, and 1 peri-prosthetic fracture) with a mean survivorship of 7.7 years. Of the 24 aseptic loosening cases, 19 had low contact stress prostheses. Using revision as an end-point, the 12-year survivorship was 94.2%. When using aseptic loosening as an end-point, the 12-year survivorship was 95.6%, and that for using infection as an end-point was 98.7%. Male sex was found to be a risk factor for infection (odds ratio = 7.8, p = 0.005). Discussion and Conclusion: Primary TKAs had satisfactory results in Queen Mary Hospital. The survivorship is comparable to the results of global joint registries.
DescriptionConference Theme: Defying the Aging Spine
Concurrent Free Papers 9: Hips and Knees II
Persistent Identifierhttp://hdl.handle.net/10722/204336

 

DC FieldValueLanguage
dc.contributor.authorLam, Gen_US
dc.contributor.authorYan, CHen_US
dc.contributor.authorChan, PKen_US
dc.contributor.authorNg, FYen_US
dc.contributor.authorChiu, PKYen_US
dc.date.accessioned2014-09-19T22:41:15Z-
dc.date.available2014-09-19T22:41:15Z-
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. 76, abstract no. 9.4en_US
dc.identifier.urihttp://hdl.handle.net/10722/204336-
dc.descriptionConference Theme: Defying the Aging Spine-
dc.descriptionConcurrent Free Papers 9: Hips and Knees II-
dc.description.abstractIntroduction: The study aimed to report the survivorship for primary total knee arthroplasty (TKA) in a teaching hospital. Materials and Methods: Data from the hospital’s prospective joint registry on all patients undergoing primary TKAs in Queen Mary Hospital from 2000 to 2007 were identified and reviewed. Results: From 2000 to 2007, 977 TKAs (799 female, 178 male; 482 left-sided and 495 right-sided) were performed. Their mean (± standard deviation) age at operation was 68.4 ± 8.7 years. The primary diagnoses included osteoarthritis (n = 919), rheumatoid arthritis (n = 47), and others (n = 11). The mean follow-up duration was 7.8 ± 3.2 years. Posterior stabilising prostheses were used in 550 (56.3%) knees while rotating platform in 424 (43.4%) knees and constrained prostheses in 3 (0.3%) knees. Also, 36 (3.7%) patients underwent revision surgery (24 aseptic loosening, 11 infection, and 1 peri-prosthetic fracture) with a mean survivorship of 7.7 years. Of the 24 aseptic loosening cases, 19 had low contact stress prostheses. Using revision as an end-point, the 12-year survivorship was 94.2%. When using aseptic loosening as an end-point, the 12-year survivorship was 95.6%, and that for using infection as an end-point was 98.7%. Male sex was found to be a risk factor for infection (odds ratio = 7.8, p = 0.005). Discussion and Conclusion: Primary TKAs had satisfactory results in Queen Mary Hospital. The survivorship is comparable to the results of global joint registries.-
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.titleSurvival Analysis of Primary Total Knee Arthroplasty in a Teaching Hospital: A Study of 977 Casesen_US
dc.typeConference_Paperen_US
dc.identifier.emailYan, CH: yanchoi@hku.hken_US
dc.identifier.emailChan, PK: cpk464@hku.hken_US
dc.identifier.emailNg, FY: fyng@hkucc.hku.hken_US
dc.identifier.emailChiu, PKY: pkychiu@hkucc.hku.hken_US
dc.identifier.authorityYan, CH=rp00303en_US
dc.identifier.authorityChiu, PKY=rp00379en_US
dc.identifier.hkuros235782en_US
dc.identifier.hkuros240367-
dc.identifier.spage76, abstract no. 9.4en_US
dc.identifier.epage76, abstract no. 9.4en_US
dc.publisher.placeHong Kong, China-

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