Some Offset Restoration Options Can Paradoxically Lead to Decreased Range of Motion in Primary Total Hip Arthroplasty: A 3-Dimensional Computer Simulation Study
Pour A, Donnelley C, Tung W, Tommasini S, Wiznia D. Some Offset Restoration Options Can Paradoxically Lead to Decreased Range of Motion in Primary Total Hip Arthroplasty: A 3-Dimensional Computer Simulation Study. The Journal Of Arthroplasty 2023, 39: 514-519.e3. PMID: 37625464, PMCID: PMC10843541, DOI: 10.1016/j.arth.2023.08.057.Peer-Reviewed Original ResearchConceptsTotal hip arthroplastyRange of motionPrimary total hip arthroplastyHip flexionHip arthroplastyParadoxical increaseHigh-offset stemsRobotic arm-assisted total hip arthroplastyGroup of patientsSubset of patientsSagittal pelvic tiltVarus neckMaximum internal rotationPelvic tiltOptimizing outcomesImplant design featuresDecreased rangeHip extensionExternal rotationImplant choiceProsthetic headMaximum external rotationFlexionImpingement riskLiner useHip Abduction Can Be Considered the Sole Posterior Precaution Strategy to Lower the Rate of Impingement After Posterior Approach Total Hip Arthroplasty With Large Femoral Head: A Computer Simulation Study
Eslam Pour A, Tung W, Donnelley C, Tommasini S, Wiznia D. Hip Abduction Can Be Considered the Sole Posterior Precaution Strategy to Lower the Rate of Impingement After Posterior Approach Total Hip Arthroplasty With Large Femoral Head: A Computer Simulation Study. The Journal Of Arthroplasty 2023, 38: 1385-1391. PMID: 36709882, PMCID: PMC10257737, DOI: 10.1016/j.arth.2023.01.027.Peer-Reviewed Original ResearchConceptsTotal hip arthroplastyAnterior pelvic tilt angleHip abductionPelvic tilt angleHip arthroplastyHip precautionsPosterior approach total hip arthroplastyPrimary total hip arthroplastyAnterior inferior iliac spineLarger prosthetic headsHip internal rotationRisk of dislocationHip external rotationCup anteversion angleLarge femoral headsAbsolute riskBony impingementHip flexionIliac spineFemoral headExternal rotationProsthetic headAnteversion anglePatientsAcetabular implants