Background: Thepurposeofthisstudywastoinvestigateaboutthereliabilityofmeasuringantero- posterior laxitywithin-subjectsfor in-vivo studies usinganavigationsystem. Methods: Theanalysiswasperformedbyenroling60patientsundergoinganteriorcruciateligamentACL reconstruction, andassessingAPlaxityduringtheLachmananddrawertests. Results: Forthenavigationsystemstandarddeviationforintra-trialmeasureswas0.7mm,thustheintra- trial repeatabilitycoefficientwas2.2mm;standarddeviationforintra-trialmeasurewas1.2mm,while the referenceinter-trialrepeatabilitycoefficientbetweenexpertsurgeonswas3.4mm. Conclusions: Inconclusion,thisstudysuggeststhatKIN-Navmayrepresentanewmethodtomeasureand document APlaxityintra-operativelywithimprovedaccuracyandtesttheeffectofsurgicaltreatment in-vivo with highersensitivitythaninthepastandthisstudyquantifyitsreliabilityforwithin-subjects studies performedbyasingleexpertsurgeon.

Reliability of a navigation system for intra-operative evaluation of antero-posterior knee joint laxity

ZAFFAGNINI, STEFANO;MARCACCI, MAURILIO
2009

Abstract

Background: Thepurposeofthisstudywastoinvestigateaboutthereliabilityofmeasuringantero- posterior laxitywithin-subjectsfor in-vivo studies usinganavigationsystem. Methods: Theanalysiswasperformedbyenroling60patientsundergoinganteriorcruciateligamentACL reconstruction, andassessingAPlaxityduringtheLachmananddrawertests. Results: Forthenavigationsystemstandarddeviationforintra-trialmeasureswas0.7mm,thustheintra- trial repeatabilitycoefficientwas2.2mm;standarddeviationforintra-trialmeasurewas1.2mm,while the referenceinter-trialrepeatabilitycoefficientbetweenexpertsurgeonswas3.4mm. Conclusions: Inconclusion,thisstudysuggeststhatKIN-Navmayrepresentanewmethodtomeasureand document APlaxityintra-operativelywithimprovedaccuracyandtesttheeffectofsurgicaltreatment in-vivo with highersensitivitythaninthepastandthisstudyquantifyitsreliabilityforwithin-subjects studies performedbyasingleexpertsurgeon.
2009
N. Lopomo; S. Bignozzi; S. Martelli; S. Zaffagnini; F. Iacono; A. Visani; M. Marcacci
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/86488
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