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Conference Paper: A Randomised Controlled Trial Comparing TruMatch Instrument and Conventional Instrument in Total Knee Arthroplasty

TitleA Randomised Controlled Trial Comparing TruMatch Instrument and Conventional Instrument in Total Knee Arthroplasty
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. 6, abstract no. AP10 How to Cite?
AbstractIntroduction: Surgeons may use conventional instruments (CON) or custom-made TruMatch instruments (TMT) to achieve accurate bone cuts in total knee arthroplasty (TKA). We performed a randomised controlled trial to compare the operation time, as well as postoperative lower limb alignments and individual components’ positioning. Methods: A total of 60 (27 left and 33 right) knees in 51 patients (6 men, 45 women) were recruited. Their mean (± standard deviation) age was 69 ± 8.3 years. The diagnosis was osteoarthritis in 56 knees and rheumatoid arthritis in 4 knees. They were randomised in 1:1 ratio into CON and TMT groups. The prosthesis and surgical routines were standardised. Postoperative standing long films of the entire lower limbs were taken. Results: The mean (± standard deviation) tourniquet time was 42.6 ± 14.7 minutes for CON group and 42.9 ± 9.6 minutes for TMT group (p = 0.92). The mean operation time was 68.4 ± 16.3 minutes for CON group and 69.8 ± 17.9 minutes for TMT group (p = 0.75). The TMT group had significantly less outliers in femoral component flexion in the sagittal plane (p = 0.002). There was no difference in the number of outliers in other parameters including femoral component varus, tibial component varus and posterior slope, and lower limb alignment between CON and TMT groups. Conclusion: TruMatch instrument is a new option in TKA. Our study showed that its tourniquet and operation time was similar to that of CON. It also improved the accuracy of sagittal positioning of the femoral component.
DescriptionConference Theme: Defying the Aging Spine
Award Papers Session
Concurrent Free Papers 4: Hips and Knees I
Persistent Identifierhttp://hdl.handle.net/10722/204325

 

DC FieldValueLanguage
dc.contributor.authorYan, CHen_US
dc.contributor.authorChiu, PKYen_US
dc.contributor.authorNg, FYen_US
dc.contributor.authorChan, PKen_US
dc.contributor.authorFu, CHHen_US
dc.date.accessioned2014-09-19T22:41:13Z-
dc.date.available2014-09-19T22:41:13Z-
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. 6, abstract no. AP10en_US
dc.identifier.urihttp://hdl.handle.net/10722/204325-
dc.descriptionConference Theme: Defying the Aging Spine-
dc.descriptionAward Papers Session-
dc.descriptionConcurrent Free Papers 4: Hips and Knees I-
dc.description.abstractIntroduction: Surgeons may use conventional instruments (CON) or custom-made TruMatch instruments (TMT) to achieve accurate bone cuts in total knee arthroplasty (TKA). We performed a randomised controlled trial to compare the operation time, as well as postoperative lower limb alignments and individual components’ positioning. Methods: A total of 60 (27 left and 33 right) knees in 51 patients (6 men, 45 women) were recruited. Their mean (± standard deviation) age was 69 ± 8.3 years. The diagnosis was osteoarthritis in 56 knees and rheumatoid arthritis in 4 knees. They were randomised in 1:1 ratio into CON and TMT groups. The prosthesis and surgical routines were standardised. Postoperative standing long films of the entire lower limbs were taken. Results: The mean (± standard deviation) tourniquet time was 42.6 ± 14.7 minutes for CON group and 42.9 ± 9.6 minutes for TMT group (p = 0.92). The mean operation time was 68.4 ± 16.3 minutes for CON group and 69.8 ± 17.9 minutes for TMT group (p = 0.75). The TMT group had significantly less outliers in femoral component flexion in the sagittal plane (p = 0.002). There was no difference in the number of outliers in other parameters including femoral component varus, tibial component varus and posterior slope, and lower limb alignment between CON and TMT groups. Conclusion: TruMatch instrument is a new option in TKA. Our study showed that its tourniquet and operation time was similar to that of CON. It also improved the accuracy of sagittal positioning of the femoral component.-
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.titleA Randomised Controlled Trial Comparing TruMatch Instrument and Conventional Instrument in Total Knee Arthroplastyen_US
dc.typeConference_Paperen_US
dc.identifier.emailYan, CH: yanchoi@hku.hken_US
dc.identifier.emailChiu, PKY: pkychiu@hkucc.hku.hken_US
dc.identifier.emailNg, FY: fyng@hkucc.hku.hken_US
dc.identifier.emailChan, PK: cpk464@hku.hken_US
dc.identifier.emailFu, CHH: drhfu@hku.hken_US
dc.identifier.authorityYan, CH=rp00303en_US
dc.identifier.authorityChiu, PKY=rp00379en_US
dc.identifier.hkuros235757en_US
dc.identifier.hkuros240255-
dc.identifier.spage6, abstract no. AP10en_US
dc.identifier.epage6, abstract no. AP10en_US
dc.publisher.placeHong Kong, China-

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