Featured Publications
The Current Proposed Total Hip Arthroplasty Surgical Planning Guidelines Based on Classification of Spine Stiffness May be Flawed Due to Incorrect Assumptions
Pour A, Green J, Christensen T, Muthusamy N, Schwarzkopf R. The Current Proposed Total Hip Arthroplasty Surgical Planning Guidelines Based on Classification of Spine Stiffness May be Flawed Due to Incorrect Assumptions. The Journal Of Arthroplasty 2023, 38: 1075-1081. PMID: 36863577, PMCID: PMC10200739, DOI: 10.1016/j.arth.2023.02.063.Peer-Reviewed Original ResearchConceptsSagittal pelvic tiltTotal hip arthroplastyPostoperative changesSacral slopeHip arthroplastyPrimary total hip arthroplastyPreoperative planningPossible postoperative changesSignificant postoperative changesPreoperative planning toolFull-body imagingPostoperative measurementsPreoperative radiographsRetrospective analysisPelvic tiltPatientsCurrent classificationNormal spineSpine stiffnessStiff spinePosthoc power analysisSignificant differencesT-testArthroplastyRadiographsHip 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 implantsHow much change in pelvic sagittal tilt can result in hip dislocation due to prosthetic impingement? A computer simulation study
Pour AE, Schwarzkopf R, Patel KPK, Anjaria MP, Lazennec JY, Dorr LD. How much change in pelvic sagittal tilt can result in hip dislocation due to prosthetic impingement? A computer simulation study. Journal Of Orthopaedic Research® 2021, 39: 2604-2614. PMID: 33749925, PMCID: PMC8455710, DOI: 10.1002/jor.25022.Peer-Reviewed Original ResearchConceptsTotal hip arthroplastySagittal pelvic tiltProsthetic impingementPelvic retroversionPelvic tiltHip motionAnterior pelvic tiltNeck-shaft anglePelvic sagittal tiltHigher neck-shaft angleLarge femoral headsTHA dislocationHip dislocationHip arthroplastySpinal fusionFemoral offsetLarge diameter headsSpinal pathologyHip flexionPelvic anteversionFemoral headSagittal tiltBone impingementDiameter headsImplant orientationTrends in Primary and Revision Hip Arthroplasty Among Orthopedic Surgeons Who Take the American Board of Orthopedics Part II Examination
Eslam Pour A, Bradbury TL, Horst PK, Harrast JJ, Erens GA, Roberson JR. Trends in Primary and Revision Hip Arthroplasty Among Orthopedic Surgeons Who Take the American Board of Orthopedics Part II Examination. The Journal Of Arthroplasty 2016, 31: 1417-1421. PMID: 27004678, DOI: 10.1016/j.arth.2015.12.045.Peer-Reviewed Original ResearchConceptsTotal hip arthroplastyAdult reconstruction fellowship trainingRevision hip arthroplastyFellowship-trained surgeonsHip arthroplastyRevision surgeryRevision total hip arthroplastyFellowship trainingEarly postoperative complicationsSecure Internet databaseCurrent Procedural Terminology codesMore revision surgeriesPrimary hip arthroplastyHigh-volume surgeonsManagement of infectionsJoint replacement surgeryPart II examinationAmerican BoardProcedural Terminology codesPostoperative complicationsReplacement surgeryOral examinationTerminology codesOperative casesOrthopaedic surgeons
2024
Using preoperative planning software to assess the effect of head length on prosthetic range of motion in a high-risk population: a three-dimensional modeling study
Eslam Pour A, Tung W, Donnelley C, Tommasini S, Wiznia D. Using preoperative planning software to assess the effect of head length on prosthetic range of motion in a high-risk population: a three-dimensional modeling study. International Orthopaedics 2024, 1-8. PMID: 38767711, DOI: 10.1007/s00264-024-06191-8.Peer-Reviewed Original ResearchProsthetic range of motionPreoperative planning softwareRange of motionMethodsForty-three patientsTotal hip arthroplastyExternal rotationPlanning softwareHigh-risk populationPreoperative templatingCT-based modelSurgical planningPrimary total hip arthroplastyHip extensionMaximum external rotationProsthetic head diameterOutcome variablesRisk of impingementSurgeonsHipHip arthroplastyProsthetic impingement
2023
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 useSimulating movements of daily living in robot-assisted total hip arthroplasty with 3D modelling
Tung W, Donnelley C, Pour A, Tommasini S, Wiznia D. Simulating movements of daily living in robot-assisted total hip arthroplasty with 3D modelling. Bone & Joint Open 2023, 4: 416-423. PMID: 37263587, PMCID: PMC10234721, DOI: 10.1302/2633-1462.46.bjo-2023-0046.r1.Peer-Reviewed Original ResearchTotal hip arthroplastyPreoperative protocolHip arthroplastyExternal rotationPrimary total hip arthroplastyRobot-assisted total hip arthroplastyPatient's preoperative imagingRisk of impingementPreoperative planning softwareHip abduction/adductionPreoperative imagingMost hipsSacral slopePostoperative stabilityDaily livingHip flexion/extensionAbduction/adductionFlexion/extensionPlanning platformKnee positionPatient safetyPatient positionMaximum external rotationPlanning softwareHip