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Conference Paper: Survival analysis of Primary Total Knee Arthroplasty in a Teaching Hospital: a study of 977 cases
Title | Survival analysis of Primary Total Knee Arthroplasty in a Teaching Hospital: a study of 977 cases |
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Authors | |
Issue Date | 2013 |
Publisher | Hong Kong Academy of Medicine Press. |
Citation | The 33rd Annual Congress of the Hong Kong Orthopaedic Association (HKOA 2013), Hong Kong, China, 23-24 November 2013. In Conference Abstracts, 2013, p. 76, abstract no. 9.4 How to Cite? |
Abstract | Introduction: 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. |
Description | Conference Theme: Defying the Aging Spine Concurrent Free Papers 9: Hips and Knees 2 |
Persistent Identifier | http://hdl.handle.net/10722/204336 |
DC Field | Value | Language |
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dc.contributor.author | Lam, G | en_US |
dc.contributor.author | Yan, CH | en_US |
dc.contributor.author | Chan, PK | en_US |
dc.contributor.author | Ng, FY | en_US |
dc.contributor.author | Chiu, PKY | en_US |
dc.date.accessioned | 2014-09-19T22:41:15Z | - |
dc.date.available | 2014-09-19T22:41:15Z | - |
dc.date.issued | 2013 | en_US |
dc.identifier.citation | The 33rd Annual Congress of the Hong Kong Orthopaedic Association (HKOA 2013), Hong Kong, China, 23-24 November 2013. In Conference Abstracts, 2013, p. 76, abstract no. 9.4 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/204336 | - |
dc.description | Conference Theme: Defying the Aging Spine | - |
dc.description | Concurrent Free Papers 9: Hips and Knees 2 | - |
dc.description.abstract | Introduction: 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.language | eng | en_US |
dc.publisher | Hong Kong Academy of Medicine Press. | - |
dc.relation.ispartof | Annual Congress of the Hong Kong Orthopaedic Association, HKOA 2013 | en_US |
dc.title | Survival analysis of Primary Total Knee Arthroplasty in a Teaching Hospital: a study of 977 cases | en_US |
dc.type | Conference_Paper | en_US |
dc.identifier.email | Yan, CH: yanchoi@hku.hk | en_US |
dc.identifier.email | Chan, PK: cpk464@hku.hk | en_US |
dc.identifier.email | Ng, FY: fyng@hkucc.hku.hk | en_US |
dc.identifier.email | Chiu, PKY: pkychiu@hkucc.hku.hk | en_US |
dc.identifier.authority | Yan, CH=rp00303 | en_US |
dc.identifier.authority | Chiu, PKY=rp00379 | en_US |
dc.identifier.hkuros | 235782 | en_US |
dc.identifier.hkuros | 240367 | - |
dc.identifier.spage | 76, abstract no. 9.4 | en_US |
dc.identifier.epage | 76, abstract no. 9.4 | en_US |
dc.publisher.place | Hong Kong | - |