2021
Patient-Reported Activity Levels Correlate With Early Cartilage Degeneration After Anterior Cruciate Ligament Reconstruction
Friedman JM, Su F, Zhang AL, Allen CR, Feeley BT, Souza R, Li X, Ma CB, Lansdown DA. Patient-Reported Activity Levels Correlate With Early Cartilage Degeneration After Anterior Cruciate Ligament Reconstruction. The American Journal Of Sports Medicine 2021, 49: 442-449. PMID: 33395319, DOI: 10.1177/0363546520980431.Peer-Reviewed Original ResearchConceptsAnterior cruciate ligament reconstructionMarx activity levelMarx activity scoreCruciate ligament reconstructionMarx scoresCartilage degenerationMagnetic resonance imagingMedial compartmentEarly cartilage degenerationLigament reconstructionPosttraumatic osteoarthritisActivity scoreActivity levelsOrgan Magnetic Resonance Imaging ScoreOsteoarthritis Outcome Score (KOOS) scoresMagnetic Resonance Imaging ScorePre-existing arthritisPatient-reported outcomesLevel of evidenceSoft tissue graftsFisher's exact testMedial compartment degenerationPositive predictive valueSpearman rank testCartilage degenerative changes
2019
Preoperative IDEAL (Iterative Decomposition of Echoes of Asymmetrical Length) magnetic resonance imaging rotator cuff muscle fat fractions are associated with rotator cuff repair outcomes
Lansdown DA, Morrison C, Zaid MB, Patel R, Zhang AL, Allen CR, Feeley BT, Ma CB. Preoperative IDEAL (Iterative Decomposition of Echoes of Asymmetrical Length) magnetic resonance imaging rotator cuff muscle fat fractions are associated with rotator cuff repair outcomes. Journal Of Shoulder And Elbow Surgery 2019, 28: 1936-1941. PMID: 31371160, DOI: 10.1016/j.jse.2019.05.018.Peer-Reviewed Original ResearchConceptsRotator cuff repairPostoperative PROMIS scoresPROMIS scoresFatty infiltrationCuff repairFat fractionRotator cuff muscle fatty infiltrationRotator cuff repair outcomesOnly significant independent predictorArthroscopic rotator cuff repairPreoperative fatty infiltrationInferior clinical outcomesSignificant independent predictorsIntramuscular fat fractionMuscle fatty infiltrationMuscle fat fractionMagnetic resonance imagingQuantitative magnetic resonance imagingMagnetic resonance imaging sequencePostoperative outcomesIndependent predictorsClinical outcomesTear sizePatientsResonance imaging
2018
Knee Imaging Following Anterior Cruciate Ligament Reconstruction: The Surgeon's and Radiologist's Perspectives
Srinivasan R, Wan J, Allen CR, Steinbach LS. Knee Imaging Following Anterior Cruciate Ligament Reconstruction: The Surgeon's and Radiologist's Perspectives. Seminars In Musculoskeletal Radiology 2018, 22: 386-397. PMID: 30134463, DOI: 10.1055/s-0038-1653953.Peer-Reviewed Original ResearchConceptsACL reconstructionAnterior cruciate ligament tearsNormal imaging appearanceACL reconstruction surgeryCruciate ligament tearsExcellent postoperative resultsMagnetic resonance imagingMost patientsLigament tearsLigamentous injuriesCommon injuriesPostoperative resultsImaging appearancesReconstruction surgerySurgical techniqueCommon causeRecurrent instabilityReconstruction failureCartilage damageChronic instabilityEarly osteoarthritisMeniscal tearsResonance imagingPatientsRadiologist's perspective
2016
Accuracy of MRI evaluation of meniscus tears in the setting of ACL injuries
Dufka FL, Lansdown DA, Zhang AL, Allen CR, Ma CB, Feeley BT. Accuracy of MRI evaluation of meniscus tears in the setting of ACL injuries. The Knee 2016, 23: 460-464. PMID: 26917035, DOI: 10.1016/j.knee.2016.01.018.Peer-Reviewed Original ResearchConceptsMagnetic resonance imagingLateral meniscus tearsMedial meniscus tearPre-operative magnetic resonance imagingNegative predictive valuePositive predictive valueACL reconstructionMeniscus tearsACL injuryPredictive valueAnterior cruciate ligament reconstructionNPV of MRIConcomitant meniscus injuryDiagnostic performancePrimary ACL reconstructionCruciate ligament reconstructionPre-operative detectionHigh diagnostic performanceOperative interventionACL tearsLigament reconstructionOperative treatmentInitial injuryMRI evaluationMeniscus injury
2009
Anterior Cruciate Ligament Graft Reconstruction
Giaconi JC, Allen CR, Steinbach LS. Anterior Cruciate Ligament Graft Reconstruction. Topics In Magnetic Resonance Imaging 2009, 20: 129-150. PMID: 20410802, DOI: 10.1097/rmr.0b013e3181d657a7.Peer-Reviewed Original ResearchConceptsAnterior cruciate ligamentACL reconstructionGraft reconstructionAnterior cruciate ligament reconstructionACL graft reconstructionPhyseal-sparing techniquesCruciate ligament reconstructionDaily clinical practiceMagnetic resonance imagingGraft laxityGraft tearLigament reconstructionACL graftCruciate ligamentClinical practiceSelective bundleResonance imagingDouble bundleConsulting radiologistLigamentSingle bundleCommon occurrenceArthrofibrosisComplicationsHardware failure