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.
N. Lopomo, S. Bignozzi, S. Martelli, S. Zaffagnini, F. Iacono, A. Visani, et al. (2009). Reliability of a navigation system for intra-operative evaluation of antero-posterior knee joint laxity. COMPUTERS IN BIOLOGY AND MEDICINE, 39 (3), 280-285 [10.1016/j.compbiomed.2009.01.001].
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.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
