2024
Relationship between Mild Genu Varum and Genu Valgum with Degenerative Hip and Knee Disease: A Cadaveric Study
Liu R, Weinberg D, Streit J, Lasko C, Cooperman D. Relationship between Mild Genu Varum and Genu Valgum with Degenerative Hip and Knee Disease: A Cadaveric Study. Journal Of Limb Lengthening & Reconstruction 2024, 10: 86-90. DOI: 10.4103/jllr.jllr_12_24.Peer-Reviewed Original ResearchMechanical lateral distal femoral angleMedial proximal tibial angleValgus deformityGenu varum and genu valgumLateral distal femoral angleMultiple regression analysisAssociated with hipVarus deformityDistal femoral angleProximal tibial angleKnee arthritisMild varus deformityRegression analysisGenu varum and valgumDegenerative diseasesKnee alignmentFemoral angleStandard anatomical positionTibial angleYears of ageKnee diseaseCadaveric skeletonsOsteological collectionKneeHip
2023
The Effect of Guided Growth Surgery on Langenskiold Stage and Mechanical Axis in Early-Onset Blount Disease: A Retrospective Case Series
Hanstein R, Schneble C, Schulz J, Lo Y, Socci A, Sharkey M. The Effect of Guided Growth Surgery on Langenskiold Stage and Mechanical Axis in Early-Onset Blount Disease: A Retrospective Case Series. Journal Of The American Academy Of Orthopaedic Surgeons 2023, 32: e240-e250. PMID: 37852243, DOI: 10.5435/jaaos-d-21-00515.Peer-Reviewed Original ResearchEarly-onset Blount diseaseRemoval of hardwareTension-band platingMechanical axis deviationBlount diseaseGrowth surgeryMechanical axisFirst-line surgical treatmentMechanical lateral distal femoral angleMechanical medial proximal tibial angleMedial proximal tibial angleLateral distal femoral angleImprovement/resolutionProximal tibial angleRetrospective case seriesDistal femoral angleMost patientsSecondary outcomesPrimary outcomeSurgical treatmentTibial angleCase seriesRetrospective reviewVarus deformityFemoral anglePredicting Deformity Correction of Growth Modulation in Late-onset Tibia Vara
Walker J, Dueber D, Powell K, Stephenson L, Scott A, Lerman J, Nossov S, Franklin C, Westberry D. Predicting Deformity Correction of Growth Modulation in Late-onset Tibia Vara. Journal Of Pediatric Orthopaedics 2023, 43: e343-e349. PMID: 36914269, DOI: 10.1097/bpo.0000000000002373.Peer-Reviewed Original ResearchConceptsMedial proximal tibia angleMechanical tibiofemoral anglePreoperative mechanical tibiofemoral angleLate-onset tibia varaTibia varaMultiple logistic regressionTension band platingTibia angleOdds of successOverall limb alignmentVarus alignmentLimb alignmentValgus overcorrectionTibiofemoral angleLogistic regressionProximal femoral physisBand platingOddsLevel IIIVarus deformityPhyseal maturationPatient demographicsLimb deformitiesPreoperative deformityStudy period
2022
Guided Growth for Varus Deformity Following Early Tibial Osteotomy in Infantile Tibia Vara—A Multi-Center Study
Walker J, Scott A, Stephenson L, Westberry D, Lerman J, Ackman J, Nossov S, Franklin C. Guided Growth for Varus Deformity Following Early Tibial Osteotomy in Infantile Tibia Vara—A Multi-Center Study. Journal Of Pediatric Orthopaedics 2022, 42: 488-495. PMID: 35973052, DOI: 10.1097/bpo.0000000000002238.Peer-Reviewed Original ResearchConceptsInfantile tibia varaVarus deformityMedial proximal tibial angleLower extremity radiographsFinal limb alignmentMechanical axis zoneProximal tibial angleMechanical axis deviationMedial proximal tibial physisTension band platingRecurrent varus deformityExtremity radiographsTibial angleYears of ageProximal tibial physisLimb alignmentEarly osteotomyBand platingImplant removalAverage follow-upVarusResidual varusTibia varaTibial physisMulti-center studyGuided Growth Procedures: Broken Tension Band Implants in Patients With Blount Disease
Chapman P, Dueber D, Stephenson L, Scott A, Lerman J, Powell K, Nossov S, Franklin C, Westberry D, Ackman J, Walker J. Guided Growth Procedures: Broken Tension Band Implants in Patients With Blount Disease. Journal Of Pediatric Orthopaedics 2022, 42: e435-e440. PMID: 35200213, DOI: 10.1097/bpo.0000000000002103.Peer-Reviewed Original ResearchConceptsBody mass indexImplant breakagePerioperative factorsBlount diseaseMm screwsAssociated with increased BMIRetrospective case-control studyIncreased BMICase-control studyUnivariate logistic regressionLate-onset Blount diseaseTension band platingIncreasing varus deformityVarus deformityTBI proceduresPatient demographicsMass indexScrew implantsLevel IIIPatientsOrthopaedic centersImplant factorsMetaphyseal screwBonferroni correctionBand plating
2016
Validity and Clinical Consequences of a Rotational Mechanism for Slipped Capital Femoral Epiphysis
Liu RW, Fraley SM, Morris WZ, Cooperman DR. Validity and Clinical Consequences of a Rotational Mechanism for Slipped Capital Femoral Epiphysis. Journal Of Pediatric Orthopaedics 2016, 36: 239-246. PMID: 25812143, DOI: 10.1097/bpo.0000000000000438.Peer-Reviewed Original ResearchConceptsCapital femoral epiphysisStable SCFEVarus deformityClinical consequencesFemoral epiphysisSlipped Capital Femoral EpiphysisAxial plane deformityImmature femoraAvascular necrosisAnatomic supportLateral epiphyseal vesselsPlane deformityProtective effectRotational deformityPosterior displacementCadaveric studyVessel stretchVarus componentRetroversion deformityDeformityEpiphyseal vesselsCharacteristic deformitiesSCFEAnatomic dataEpiphysis
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