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Conference Paper: Cutting errors in total knee replacement

TitleCutting errors in total knee replacement
Authors
Issue Date2008
PublisherSICOT/SIROT.
Citation
SICOT/SIROT 2008, XXIV Triennial World Congress, Hong Kong, 24-28 August 2008, p. Asbtract no. 16382 How to Cite?
AbstractINTRODUCTION: The observed errors in the implanted prosthesis in TKR can be due to a number of causes. One of these is the potential error during execution of the bone cuts. However, information concerning this item is minimal in the literature. MATERIALS AND METHODS: The amount of cutting errors in forty consecutive TKRs was reported. The execution of the bone cuts were done either through the cutting slot (slotted-cutting) or on the surface of the cutting guide (open-cutting). The amount of cutting error after the firstcut was measured by the use of computer navigation system. It was hypothesized that there was no difference in the error between slotted-cutting and open-cutting. This was examined using Mann-Whitney U Test. RESULTS: It was found that the average cutting error was 1 degree in the coronal plane and 1.4 degrees in the sagittal plane. Significantly more outlier (>3 degrees) was observed in the errors in the sagittal plane (p=0.014). 58 cuts were done through the cutting slot and 22 cuts were done on the surface of the cutting guide. Open-cutting resulted in less error in the sagittal plane of the tibial cut when compared with slotted-cutting (p=0.031). DISCUSSION AND CONCLUSION: The magnitude of the error in the execution of bone cut in TKR was around 1 degree. Open-cutting resulted in less error. This was attributed by the use of a thicker saw blade with higher stiffness in the open-cutting method.
Persistent Identifierhttp://hdl.handle.net/10722/62576

 

DC FieldValueLanguage
dc.contributor.authorYau, WP-
dc.contributor.authorChiu, PKY-
dc.contributor.authorYan, CH-
dc.date.accessioned2010-07-13T04:04:17Z-
dc.date.available2010-07-13T04:04:17Z-
dc.date.issued2008-
dc.identifier.citationSICOT/SIROT 2008, XXIV Triennial World Congress, Hong Kong, 24-28 August 2008, p. Asbtract no. 16382-
dc.identifier.urihttp://hdl.handle.net/10722/62576-
dc.description.abstractINTRODUCTION: The observed errors in the implanted prosthesis in TKR can be due to a number of causes. One of these is the potential error during execution of the bone cuts. However, information concerning this item is minimal in the literature. MATERIALS AND METHODS: The amount of cutting errors in forty consecutive TKRs was reported. The execution of the bone cuts were done either through the cutting slot (slotted-cutting) or on the surface of the cutting guide (open-cutting). The amount of cutting error after the firstcut was measured by the use of computer navigation system. It was hypothesized that there was no difference in the error between slotted-cutting and open-cutting. This was examined using Mann-Whitney U Test. RESULTS: It was found that the average cutting error was 1 degree in the coronal plane and 1.4 degrees in the sagittal plane. Significantly more outlier (>3 degrees) was observed in the errors in the sagittal plane (p=0.014). 58 cuts were done through the cutting slot and 22 cuts were done on the surface of the cutting guide. Open-cutting resulted in less error in the sagittal plane of the tibial cut when compared with slotted-cutting (p=0.031). DISCUSSION AND CONCLUSION: The magnitude of the error in the execution of bone cut in TKR was around 1 degree. Open-cutting resulted in less error. This was attributed by the use of a thicker saw blade with higher stiffness in the open-cutting method.-
dc.languageeng-
dc.publisherSICOT/SIROT.-
dc.relation.ispartofSICOT/SIROT World Congress-
dc.titleCutting errors in total knee replacement-
dc.typeConference_Paper-
dc.identifier.emailYau, WP: peterwpy@hkucc.hku.hk-
dc.identifier.emailChiu, PKY: pkychiu@hkucc.hku.hk-
dc.identifier.emailYan, CH: yanchoi@HKUCC-COM.hku.hk-
dc.identifier.authorityYau, WP=rp00500-
dc.identifier.authorityChiu, PKY=rp00379-
dc.identifier.authorityYan, CH=rp00303-
dc.identifier.hkuros162554-
dc.identifier.spageAsbtract no. 16382-
dc.identifier.epageAsbtract no. 16382-
dc.publisher.placeHong Kong-

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