2019
ACL Graft Signal Characteristics Measured by Quantitative MRI Are Significantly Correlated with Patient Reported Outcomes Two-Years after Hamstring Autograft ACL Reconstruction
Lansdown D, Xiao W, Zhang A, Allen C, Feeley B, Li X, Majumdar S, Benjamin C. ACL Graft Signal Characteristics Measured by Quantitative MRI Are Significantly Correlated with Patient Reported Outcomes Two-Years after Hamstring Autograft ACL Reconstruction. Orthopaedic Journal Of Sports Medicine 2019, 7: 2325967119s00352. PMCID: PMC6664639, DOI: 10.1177/2325967119s00352.Peer-Reviewed Original ResearchKnee Osteoarthritis Outcome ScoreACL reconstructionAnterior cruciate ligamentACL graftT1rho relaxation timesTendon graftHamstring autograft ACL reconstructionPatient-reported knee functionPatient-reported outcome measuresAutograft ACL reconstructionOsteoarthritis Outcome ScoreTime pointsPrior knee surgeryArthroscopic ACL reconstructionT2 relaxation timesPatient reported outcomesHistory of arthritisProteoglycan contentNon-invasive assessmentQuantitative imaging markerKOOS SportKOOS scoresAllograft reconstructionCollagen organizationKnee function
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
2000
Importance of the medial meniscus in the anterior cruciate ligament‐deficient knee
Allen C, Wong E, Livesay G, Sakane M, Fu F, Woo S. Importance of the medial meniscus in the anterior cruciate ligament‐deficient knee. Journal Of Orthopaedic Research® 2000, 18: 109-115. PMID: 10716286, DOI: 10.1002/jor.1100180116.Peer-Reviewed Original ResearchConceptsAnterior cruciate ligament-deficient kneeLigament-deficient kneeAnterior tibial loadDegrees of flexionAnterior cruciate ligamentFull knee extensionTibial loadMedial meniscusMedial meniscectomyIntact kneeCruciate ligamentMeniscal tearsKnee extensionAnterior cruciate ligament deficient patientsUniversal force-moment sensor testing systemAnterior tibial translationMedial meniscal tearsInternal tibial rotationKnee stabilityTibial translationHuman medial meniscusMeniscal integrityKnee flexionKnee motionTibial rotation
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 ResearchConceptsAnterior 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 forcesEarly expression of marker genes in the rabbit medial collateral and anterior cruciate ligaments: The use of different viral vectors and the effects of injury
Hildebrand K, Deie M, Allen C, Smith D, Georgescu H, Evans C, Robbins P, Woo S. Early expression of marker genes in the rabbit medial collateral and anterior cruciate ligaments: The use of different viral vectors and the effects of injury. Journal Of Orthopaedic Research® 1999, 17: 37-42. PMID: 10073645, DOI: 10.1002/jor.1100170107.Peer-Reviewed Original ResearchConceptsAnterior cruciate ligamentMedial collateral ligamentCruciate ligamentCollateral ligamentMedial collateralKnee ligamentsBilateral knee surgeryLigament fibroblastsVivo techniquesAnterior cruciate ligament fibroblastsEffects of injuryEx vivo techniquesKnee surgeryLeft kneeRight kneeLacZ marker geneGroup 2Group 1Cytokine deliveryGroup 3Ligament samplesDifferent viral vectorsLigamentGene expressionWeeks
1998
Effect of combined axial compressive and anterior tibial loads on in situ forces in the anterior cruciate ligament: A porcine study
Li G, Rudy T, Allen C, Sakane M, Woo S. Effect of combined axial compressive and anterior tibial loads on in situ forces in the anterior cruciate ligament: A porcine study. Journal Of Orthopaedic Research® 1998, 16: 122-127. PMID: 9565084, DOI: 10.1002/jor.1100160121.Peer-Reviewed Original ResearchConceptsAnterior tibial loadAnterior cruciate ligamentDegrees of flexionCruciate ligamentTibial loadSitu forcesAnterior-posterior tibial loadSignificant increaseAnterior-posterior tibial translationKnee stabilityPorcine knee modelTibial translationInternal-external tibial rotationTibial rotationKnee jointPorcine studyLigamentFlexionKneeKnee modelInjury