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https://observatorio.fm.usp.br/handle/OPI/9422
Title: | 3D COMPUTER TOMOGRAPHY FOR MEASUREMENT OF FEMORAL POSITION IN ACL RECONSTRUCTION |
Authors: | FERNANDES, Tiago Lazzaretti; MARTINS, Nuno Miguel Morais Fonseca; WATAI, Felipe de Andrade; NETO, Cyro Albuquerque; PEDRINELLI, Andre; HERNANDEZ, Arnaldo Jose |
Citation: | ACTA ORTOPEDICA BRASILEIRA, v.23, n.1, p.11-15, 2015 |
Abstract: | Objective: To validate intra-and inter-class correlation coefficients of a transparent 3D-TC protocol and investigate relationships between different axial rotations. Methods: Twenty unilateral knee TCs (iSite - Philips) were evaluated by means of a transparent 3D-TC OsiriX Imaging Software (v.3.9.4), 3D MPR protocol. Mathematical model of femoral tunnel projections acquired on vertical and horizontal rotations from -20 to +20 degrees. Height (h'/H) and length (t'/T) of tunnel projections have been analyzed by the Bernard and Hertel's method. Statistics: power of study=80%, ICC, ANOVA, p<0.05 (SPSS-19). Results: Transparent 3D-TC showed high reliability of both intra-observer (h'/H= 0.941; t'/T= 0.928, p<0.001) and inter-observer (h'/H= 0.921; t'/T= 0.890, p<0.001) ICC. ACL Length (t'/T) and Height (h'/H) projections were statistically different on vertical and horizontal rotations: p=0.01 and p<0.001, respectively. Conclusion: This new transparent 3DTC protocol is an accurate and reproducible method that can be applied for ACL femoral tunnel or footprint measurement with high ICC reliability. |
Appears in Collections: | Artigos e Materiais de Revistas Científicas - FM/MOT Artigos e Materiais de Revistas Científicas - HC/IOT Artigos e Materiais de Revistas Científicas - LIM/41 |
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