2016
Characterization of patellar maltracking using dynamic kinematic CT imaging in patients with patellar instability
Tanaka M, Elias J, Williams A, Demehri S, Cosgarea A. Characterization of patellar maltracking using dynamic kinematic CT imaging in patients with patellar instability. Knee Surgery, Sports Traumatology, Arthroscopy 2016, 24: 3634-3641. PMID: 27358051, DOI: 10.1007/s00167-016-4216-9.Peer-Reviewed Original ResearchConceptsPatellar instability symptomsInstability symptomsIncreased lateral translationLateral translationPatellar maltrackingPatellar instabilityKnee flexionPatellar motionBisect offsetActive flexionFlexionPatellofemoral jointIntervals of knee flexionBilateral symptomsKneePatellofemoral instabilityComputed tomographyMaltrackingPatientsCT imagesSymptomsPoor image qualityTrochlear groovePatellaSeverity
2015
Correlation Between Changes in Tibial Tuberosity–Trochlear Groove Distance and Patellar Position During Active Knee Extension on Dynamic Kinematic Computed Tomographic Imaging
Tanaka M, Elias J, Williams A, Carrino J, Cosgarea A. Correlation Between Changes in Tibial Tuberosity–Trochlear Groove Distance and Patellar Position During Active Knee Extension on Dynamic Kinematic Computed Tomographic Imaging. Arthroscopy The Journal Of Arthroscopic And Related Surgery 2015, 31: 1748-1755. PMID: 25940399, DOI: 10.1016/j.arthro.2015.03.015.Peer-Reviewed Original ResearchConceptsKnee flexion angleKnee flexionFlexion angleTibial tuberosity-trochlear groove distancePatellar positionTibial tuberosity-trochlear grooveActive knee extensionPatellar tiltRepeated-measures analysisKnee extensionPatellar instabilityLinear regression modelsBisect offsetFlexionRepeated-measuresPrognostic case seriesSymptomatic patellar instabilitySymptomatic kneeTTTG distanceKneePatellar trackingLevel IVRegression modelsPatellofemoral instabilitySymptomatic instabilityCharacterizing Patterns In Patellar Maltracking On Dynamic Kinematic CT Imaging
Tanaka M, Williams A, Elias J, Demehri S, Cosgarea A. Characterizing Patterns In Patellar Maltracking On Dynamic Kinematic CT Imaging. Orthopaedic Journal Of Sports Medicine 2015, 3: 2325967115s00014. PMCID: PMC4901560, DOI: 10.1177/2325967115s00014.Peer-Reviewed Original ResearchBisect offsetSymptomatic patellar instabilityStatic radiographic measurementsPatellar maltrackingPatellar instabilityJ-signLateral translationKnee flexionPatellar motionIncreased lateral translationGrade 1Chi-square analysisAssessment of malalignmentSymptoms of patellar instabilityFlexion/extension cyclesPatellofemoral jointKneeRadiographic measurementsSurgical stabilizationPatellar lateralizationFlexionRatio of patientsIntervals of knee flexionStatistically significant differenceMaltracking