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
Partial Transphyseal Anterior Cruciate Ligament Reconstruction: Clinical, Functional, and Radiographic Outcomes
Chambers CC, Monroe EJ, Allen CR, Pandya NK. Partial Transphyseal Anterior Cruciate Ligament Reconstruction: Clinical, Functional, and Radiographic Outcomes. The American Journal Of Sports Medicine 2019, 47: 1353-1360. PMID: 30995077, DOI: 10.1177/0363546519836423.Peer-Reviewed Original ResearchConceptsMechanical lateral distal femoral angleMedial proximal tibial angleTransphyseal ACL reconstructionMechanical axis deviationACL reconstructionGraft failureGrowth disturbanceReoperation rateACL injuryRadiographic outcomesFunctional outcomePediatric International Knee Documentation Committee scoreInternational Knee Documentation Committee scoreSubsequent revision ACL reconstructionAnterior cruciate ligament injuryLateral distal femoral angleOptimal reconstruction techniquePostoperative growth disturbanceGraft failure rateCruciate ligament injuryGood functional outcomeProximal tibial angleSubset of patientsRevision ACL reconstructionDistal femoral angle
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 ResearchMeSH KeywordsAnterior Cruciate Ligament InjuriesAnterior Cruciate Ligament ReconstructionCartilage, ArticularHumansPostoperative ComplicationsPostoperative PeriodConceptsACL 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
2014
A comprehensive in vivo kinematic, quantitative MRI and functional evaluation following ACL reconstruction — A comparison between mini-two incision and anteromedial portal femoral tunnel drilling
Lansdown DA, Allen C, Zaid M, Wu S, Subburaj K, Souza R, Feeley BT, Li X, Ma CB. A comprehensive in vivo kinematic, quantitative MRI and functional evaluation following ACL reconstruction — A comparison between mini-two incision and anteromedial portal femoral tunnel drilling. The Knee 2014, 22: 547-553. PMID: 25982298, PMCID: PMC4472567, DOI: 10.1016/j.knee.2014.12.005.Peer-Reviewed Original ResearchConceptsAnteromedial portal techniqueACL reconstructionFemoral tunnel drillingMT groupContralateral kneeNormal kneesEarly cartilage degenerationKnee kinematicsCartilage degenerationMarx Activity Rating ScaleTunnel drillingAM groupCentral medial tibiaKOOS symptom scoresPatient's contralateral kneeSignificant early differencesAnatomic ACL reconstructionActivity Rating ScaleNormal knee kinematicsKOOS surveysSymptom scoresFemoral tunnelControl subjectsTibial positionPortal technique
2011
Patients' attitudes and factors in their selection of grafts for anterior cruciate ligament reconstruction
Cheung SC, Allen CR, Gallo RA, Benjamin C, Feeley BT. Patients' attitudes and factors in their selection of grafts for anterior cruciate ligament reconstruction. The Knee 2011, 19: 49-54. PMID: 21211979, DOI: 10.1016/j.knee.2010.11.009.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnterior Cruciate LigamentAnterior Cruciate Ligament InjuriesAttitude of Health PersonnelChoice BehaviorFemaleHumansKnee InjuriesMalePatient Acceptance of Health CarePhysician's RolePlastic Surgery ProceduresProstheses and ImplantsRetrospective StudiesTransplantation, AutologousTransplantation, HomologousConceptsGraft choiceSurgeon recommendationACL reconstructionAnterior cruciate ligament reconstructionCruciate ligament reconstructionHalf of patientsSelection of graftsDonor site morbidityMean followOlder patientsLigament reconstructionMedical websitesPatients' attitudesPatientsSite morbidityDifferent graftsGraftAllograftsDemographic factorsLikert scaleUrban settingsHigh levelsMorbidityFactorsRecommendations
2010
Descriptive Epidemiology of the Multicenter ACL Revision Study (MARS) Cohort
Wright R, Huston L, Spindler K, Dunn W, Haas A, Allen C, Cooper D, DeBerardino T, Lantz B, Mann B, Stuart M. Descriptive Epidemiology of the Multicenter ACL Revision Study (MARS) Cohort. The American Journal Of Sports Medicine 2010, 38: 1979-1986. PMID: 20889962, PMCID: PMC3655411, DOI: 10.1177/0363546510378645.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAnterior Cruciate LigamentAnterior Cruciate Ligament InjuriesCanadaChildCohort StudiesCross-Sectional StudiesFemaleHumansKnee InjuriesMaleMiddle AgedMultivariate AnalysisOrthopedic ProceduresOutcome Assessment, Health CareProspective StudiesReoperationSports MedicineSurveys and QuestionnairesTreatment FailureUnited StatesYoung AdultConceptsRevision ACL reconstructionPatient demographicsACL reconstructionGraft choiceWorse outcomesRevision anterior cruciate ligament reconstructionMulticenter prospective longitudinal studyAnterior cruciate ligament reconstructionPatient-based outcome measuresConcomitant knee injuriesCruciate ligament reconstructionInstitutional review board approvalIntra-articular injuriesTime of injuryCross-sectional studyLevel of evidenceProspective longitudinal studyReview board approvalACL reconstruction methodsReconstruction cohortTraumatic reinjuriesPrevious graftProspective cohortClinical featuresClinical outcomes
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 ResearchMeSH KeywordsAnterior Cruciate LigamentAnterior Cruciate Ligament InjuriesHumansKnee InjuriesMagnetic Resonance ImagingPlastic Surgery ProceduresPrognosisSurgery, Computer-AssistedTransplantsTreatment OutcomeConceptsAnterior 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
2003
Revision anterior cruciate ligament reconstruction
Allen CR, Giffin JR, Harner CD. Revision anterior cruciate ligament reconstruction. Orthopedic Clinics Of North America 2003, 34: 79-98. PMID: 12735203, DOI: 10.1016/s0030-5898(02)00066-4.Peer-Reviewed Original ResearchMeSH KeywordsAnterior Cruciate LigamentAnterior Cruciate Ligament InjuriesGraft SurvivalHumansKnee JointOrthopedic ProceduresPlastic Surgery ProceduresRadiographyReoperationTendonsTransplantation, AutologousTransplantation, HomologousConceptsRevision ACL surgeryACL surgeryACL reconstructionPatient expectationsRevision anterior cruciate ligament reconstructionSuccessful revision ACL surgeryAnterior cruciate ligament reconstructionGraft material selectionInitial ACL reconstructionCruciate ligament reconstructionPostoperative rehabilitation protocolThorough preoperative evaluationRevision ACL reconstructionAppropriate patient expectationsSymptoms of instabilityConcomitant surgeryAnterior laxityGraft removalPreoperative evaluationLigament reconstructionPatient functionSurgical outcomesHardware removalPhysical examinationRadiographic evaluation
1999
Injury and reconstruction of the anterior cruciate ligament and knee osteoarthritis
Allen C, Livesay G, Wong E, Woo S. Injury and reconstruction of the anterior cruciate ligament and knee osteoarthritis. Osteoarthritis And Cartilage 1999, 7: 110-121. PMID: 10367019, DOI: 10.1053/joca.1998.0166.Peer-Reviewed Original ResearchMeSH KeywordsAnterior Cruciate LigamentAnterior Cruciate Ligament InjuriesBiomechanical PhenomenaHumansKnee JointLigaments, ArticularOrthopedic ProceduresOsteoarthritis, KneeRoboticsTendonsConceptsAnterior cruciate ligamentSitu forcesBasic mechanical propertiesRobotic/UFS testing systemKnee kinematicsACL reconstructionTesting systemKnee osteoarthritisACL graftCruciate ligamentUniversal force-moment sensor testing systemNon-contact mannerCadaveric kneesMechanical propertiesLoading conditionsViscoelastic characteristicsAnterior tibial loadMuscle loading conditionsFreedom knee kinematicsHuman cadaveric kneesQuadruple semitendinosusGraft functionPL bundleAM bundleGraft forces