Accurate assessment of patellar tracking using fiducial and intensity-based fluoroscopic techniques

T. S. Tang, N. J. MacIntyre, H. S. Gill, R. A. Fellows, N. A. Hill, D. R. Wilson, R. E. Ellis

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Accuracies of a point-based and an intensity-based fluoroscopic methods of assessing patella tracking were determined by comparing the pattern of patellar motion with respect to orientation (flexion, internal rotation, and lateral tilt) and translation (lateral, proximal, and anterior) with the pattern of patellar motion measured using Roentgen stereophotogrammetric analysis in three cadaver knee specimens. Each pose in the patellar motion could be obtained from single as well as multiple calibrated fluoroscopic images. The errors using the intensity-based method were slightly higher than those of the point-based method, but they appear to be sufficiently low to detect clinically significant differences in patellar kinematics.
Original languageEnglish
Pages (from-to)343-351
Number of pages9
JournalMedical Image Analysis
Volume8
Issue number3
DOIs
Publication statusPublished - 2004

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