PAPERSAnatomy of the Hip at the Time of Total Hip Arthroplasty is a Matter of Morphotype and Etiology But Not GenderDecrease in Dislocation After Primary THA with Use of Larger Femoral Heads: An Update on a Previous SeriesReduced Dislocation Rates and Excellent Functional Outcomes with Large-Diameter Femoral HeadsThe Use of the Transverse Acetabular Ligament for Cup Positioning: A Randomized Controlled TrialA New Method of Registration in Navigated Hip Arthroplasty without the Need to Register the Anterior Pelvic PlaneThe Effects of Acetabular Reaming on Bone Loss and Component CoverageA Review of Current Fixation Usage and Registry Outcomes in Total Hip Arthroplasty: The Uncemented ParadoxConventional versus Short, Anatomic Metaphyseal- Fitting Cementless Stem for Femoral Neck Fracture Porous Tantalum vs. Titanium Monoblock Acetabular Components: A Long-Term Randomized Controlled Trial Cemented Hip Replacement with a Conventional Polyethylene Bearing is the Gold Standard for Patients Aged >60 YearsUncemented Total Hip Arthroplasty for Crowe II/III Dysplasia using a High Hip Center without Bone Graft Outcomes of Cable vs. Wire Fixation Five Years After Total Hip ArthroplastySimilar Improvement in Gait Parameters with Direct Anterior and Posterior Approach Total Hip Arthroplasty Trends in Patient Physical Activity Before and After Primary Total Hip ArthroplastyVariability in Hospital-Level Risk Standardized Complication Rates Following Primary TJA in Medicare PatientsOutcome of Metal on Metal Articulations in Primary Total Hip ArthroplastyR.I.P.O. Experience on 7,500 Metal-on-Metal Total Hip Arthoplasty at 12 Years Follow UpMinimum Three-Year Follow Up of 359 ASR XL Metal- on-Metal Total Hip ArthroplastiesResults After Stem Retention in Metal on Metal Hip RevisionsAre Plasma and Whole Blood Cobalt and Chromium Levels Interchangeable in the Monitoring of Metal on Metal Hips?Surveillance of Metal-on-Metal Hip Arthroplasties: Is Blood Metal Ion Measurement Useful?Chronological Follow-up of Metal Ions as an Important Predictor of (Mal-) Functioning Resurfacing Hip ArthroplastySynovial Fluid Aspirations in Failed Metal-on-Metal (MoM) Total Hip Arthroplasty (THA)The Economic Impact for Routine Post-Operative Surveillance of Metal-on-Metal Hip ArthroplastyUnexplained Pain in Failed Metal-on-Metal Hip Arthroplasty: A Retrieval, Histological and Imaging AnalysisLarge Stripe Wear-damage Forms on all Large- diameter Metal on Metal when Hip Joint Motion Reverses DirectionRisk Factors for Pseudotumor Formation in 1,036 Consecutive Hips Operated on with ASR Components Short-Term Natural History of Pseudotumor in Asymptomatic Patients After Metal-on-Metal Hip ArthroplastyPrevalence of Pseudotumors Associated with Metal- on-Metal Total Hip Arthroplasty and Metal Ion Study Metal-on-Metal Bearings and Malignant Disease Epidemiology of Periprosthetic Femur Fractures in 5,500 Revision Total Hip ArthroplastiesClinical Outcome and Proximal Femur Changes Using an Extensively Porous-coated Stem in Periprosthetic FracturesTotal Hip Arthroplasty Conversion After Previous Transtrochanter Rotational OsteotomyIs There Faster Recovery After Direct Anterior Than Posterior Approach Total Hip Arthroplasty?Revision Total Hip Arthroplasty in Patients 55 Years and YoungerShort Fully Coated Stem Use in Revision Hip ArthroplastyLong-term Outcome of Revision Total Hip Arthroplasty in Juvenile Idiopathic Arthritis at 5-19 Years Survivorship of Revision Hip Arthroplasty in Patients with Sickle Cell DiseaseIncreased Revision Rates Following Total Hip Arthroplasty in Patients Who Smoke

Femoral Component Revision Using a 2nd Generation Modular Femoral ImplantFinancial Analysis of Revision Hip Arthroplasty and the Shortfall in Reimbursement Paid to HospitalsThe Impact of Early Failures on the Cost-Effectiveness of Total Hip ArthroplastyReferral Patterns for Revision Total Hip Arthroplasty and Effect on Short Term ComplicationsAetiology of Hip Revision Cases Performed within the U.K.: Results from the National Joint RegistrySurvival and Failure Mechanisms of Revision THA and TKA in a Community RegistryRadiographically Silent Loosening of the Acetabular Component in Total Hip Arthroplasty3-D Computed Tomography as an Assessment of Periacetabular Osteolysis in Revision Total Hip ArthroplastyFirst-time Cup Revision - The Swedish ExperienceTRAP 5b as Marker for Diagnosis of Osteolysis and Aseptic Loosening after Total Joint Replacement Combined Trabecular Metal Cup and Augment for Acetabular Revision: A Five-Year Follow-Up Study Pelvic Discontinuity; Comparing Midterm Results of Cup-cage Reconstruction to Conventional Cages Correlation of Aspiration Results with the Etiology of Aseptic Failure in Total Hip ArthroplastyMortality after Septic and Aseptic Revision Total Hip Arthroplasty: A Matched-Cohort StudyUtility of Trephine Reamers in Revision Hip ArthroplastyFretting and Corrosion in an Exchangeable Neck Modular Hip System - A Cause for ConcernThe Taper Junction Contributes One Third of the Total Volumetric Material Loss in Large Diameter Metal-on-Metal HipsTaper Damage on Modular Components of Retrieved Metal-on-Metal Total Hip Arthroplasty Devices Trunnion Wear and Corrosion: The Real Issue in Large Head Metal on Metal Total Hip FailuresAdverse Local Tissue Reactions Arising from Corrosion at the Neck-Body Junction in a Modular Neck Stem Surgical Indications for Re-revision in Total Hip Replacement (THR) Patients Younger than Age Fifty Nasal Decolonization of Staphylococcus aureus with Antimicrobial Photodynamic TherapyOptimal ESR and CRP Cut-off Values Based on New Criteria for Periprosthetic Joint InfectionAllogeneic Blood Transfusions and Postoperative Infections after Orthopaedic SurgeryAssociation between Surgical Site Infections and Anticoagulant Thromboprophylaxis following Elective THA or TKATotal Hip Arthroplasty Following Ancient Native Hip Joint InfectionUse of an Antibiotic Cement Spacer in Two-stage Revision of Infected Hip ArthroplastyUse of Massive Structural Allografts in Revision of Infected Total Hip ReplacementReduced Re-Infection Rates with Postoperative Oral Antibiotics After Two-Stage Revision Hip Arthroplasty Are Multiple Cultures Worth the Effort? Impact on Hip and Knee Revision ArthroplastyComprehensive Look at Blood Transfusion Utilization in Total Joint Arthroplasty at a Single Academic Medical CenterThe Fracture Pattern and Incidence of Osteoporotic Sequential Hip FracturesComparison of Real-time Polymerase Chain Reaction and Frozen Section in Diagnosing Periprosthetic InfectionSurgical Anatomy of the Inferior Retinacular Branch of the Medial Femoral Circumflex ArteryPatient Perceptions of the Cost of Total Hip and Knee ArthroplastyCharacteristics and Trends of Published Adult Hip Research over the Last DecadeMatched Ceramic-Ceramic versus Ceramic- Polyethylene on the Contralateral Hip: A 30-Year StudyLong Term Wear of Highly Cross-Linked Polyethylene in Total Hip Arthroplasty: A Ten-Year Double Blind RCT Using RSA

RCT Comparison after a Minimal 8-year Follow Up of XLPE Versus Contemporary Annealed Polyethylene in THAThe 8-year Wear of Highly Cross-Linked Polyethylene in Total Hip Arthroplasty for Developmental Dysplasia of the HipRSA Evaluation of Vitamin E Doped Highly Cross-linked Polyethylene and Acetabular and Femoral Component StabilityMulti-center Analysis of Clinical Factors Affecting Polyethylene Wear in 945 Total Hip Arthroplasties Evidence of Permanent Oxidative Stabilization of Bearing Materials in Crosslinked Vitamin E Grafted PolyethyleneThe Role of M1 and M2 Macrophage Polarization in Wear Particle-Induced OsteolysisRole of Direct Estrogen Receptor Signaling in Wear Particle-Induced OsteolysisOutcomes after Periacetabular Osteotomy are Comparable to Total Hip Arthroplasty in Young Patients Intermediate to Long-Term Results of Periacetabular Osteotomy in Patients Younger and Older Than Forty Years of AgeObesity is a Major Risk Factor for Postoperative Complication after Periacetabular Osteotomy The Chiari Pelvic Osteotomy for Patients with Dysplastic Hips and Poor Joint Congruency Long-term (10-25 years) Results of Rotational Acetabular Osteotomy: Comparison according to the Tönnis GradeLong-term Results of Transtrochanteric Valgus Osteotomy for Middle-aged Patients Who had Advanced OsteoarthritisNo Increased Risk of Venous Thromboembolism with Tranexamic Acid after Primary Hip and Knee ArthroplastyTopical Tranexamic Acid is a Useful Adjunct in a Blood Management Program for Primary Total Hip ArthroplastyPulmonary Embolus Following Total Joint Arthroplasty: Identification and Stratification of Risk FactorsMobile Compression Devices are Efficacious for VTE Prophylaxis Following Total Joint ArthroplastyThromboembolic and Bleeding Events following Elective Hip and Knee Arthroplasty using Oral Factor Xa InhibitorShould Patients Undergoing Elective Arthroplasty Be Screened for Malnutrition?Hemoglobin A1C is a Marker for Surgical Risk in Diabetic Patients Undergoing Total Joint ArthroplastyDexamethasone Reduces Hospital Length of Stay and Improves Pain and Nausea after Total Hip ArthroplastyDoes CTPA lead to Overdiagnosis of PE and Subject Patients to Iatrogenic Harm Following Total Joint Arthroplasty?Opioid Use Prior to Total Hip Arthroplasty May Lead to Worse Clinical OutcomesComplications Following Conversion TotalHip Replacement After Fixation of Intertrochanteric Hip FracturesProspective Study of Unplanned Admission to the Intensive Care Unit after Total Hip Arthroplasty Predictors of Hospital-Acquired Conditions after Elective Joint ArthroplastyMortality, Cost and Downstream Disease of Total Hip Arthroplasty Patients in the Medicare Population 90-Day Readmission Rate for Total Hip Arthroplasty

POSTERSIliopsoas Muscle Atrophy was Evident in the Patients with Hip Osteoarthritis - MRI Analysis of 800 Cases Trends in the Surgical Management of HipDysplasia in AdultsHip Translation in Normal Volunteers and Patients with Acetabular DysplasiaCan the Alpha Angle Predict the Incidence of Hip Pain in 200 Volunteers?Molecular Characterization of Articular Cartilage from Young Adults with Femoral Acetabular ImpingementBirmingham Interlocking Triple Pelvic Osteotomy - Outcome at 10 to 18 YearsEpidemiology of Periprosthetic Femur Fractures in 33,275 Primary Total Hip Arthroplasties

The Prevalence of Acetabular Retroversion in Asymptomatic AdultsThe Results of Intertrochanteric Curved Varus Osteotomy for Idiopathic Osteonecrosis of the Femoral HeadALTERNATE PAPER: ADULT RECONSTRUCTION HIP I: PRIMARY TOTAL HIP ARTHROPLASTYTotal Joint Replacement in Patients over 90 Years of Age is a Viable Option but Requires Risk Adjustment Has Total Hip Arthroplasty in Patients 30 Years and Younger Improved Over Time? A Systematic ReviewCementless THA in Patients Age 50 and Under at Minimum 10-Year Follow Up: What Can Be Learned Concerning Durability?No Difference in Activity Levels Between Very Young and General Total Hip Arthroplasty Patients Following SurgeryAnterior Approach Hip Arthroplasty: Does a Short Stem Increase the Risk of Fracture?Migration and Thigh Pain with a New Short Modular Femoral Stem for Total Hip ReplacementYoung Total Hip Arthroplasty Patients:How Active are They?Which Muscle Sparing Approach is Better - Direct Anterior or Antero-lateral in Total Hip Arthroplasty?Differences in Hip Strength Recovery with Direct Anterior and Posterior Approach Total Hip Arthroplasty Effect of Femoral Offset on Pain and Function Following Total Hip ArthroplastyAre Hip Precautions Necessary after Posterior Approach to Total Hip Arthroplasty?The Association Between Femoral Tilt and Impingement Free Range-of-motion in Total Hip ArthroplastyEfficacy of Intra-operative Digital Radiography in Total Hip ArthroplastySexual Function Improves Significantly After Primary Total Hip and Knee Arthroplasty: A Prospective StudyPatient Education Influence on Patient Reported Outcomes after Total Hip ReplacementA Clinical Investigation of Metal Ion Release in Total Joint ReplacementsCup Anteversion is Smaller on Anteroposterior Radiographs and Larger on Cross-table Lateral Radiographs than on CTAcetabular Cup Positioning in Total Hip Replacement: The Impact of ObesityAre Morbidly Obese Patients Undergoing Total Hip Arthroplasty at Higher Risk for Component Malposition?A Novel Method for Accurate and Reproducible Functional Cup Positioning in Total Hip ReplacementComparison of Femoral Nerve Block with and without Combined Sciatic Nerve Block after Total Hip ArthroplastyClinical and Process Outcomes of Same Day Total Joint ArthroplastyCementless Total Hip Arthroplasty has Higher Incidence and Severity of Thigh Pain than Surface ReplacementSerial Bone Remodeling around DCPD Coated Metaphyseal-loading Cementless Short Stems in Elderly PatientsRSA Analysis of Early Migration of a Short vs. Standard Length Metaphyseal Cementless Stem: A Prospective RCTIs Diaphyseal Stem Fixation Necessary for Primary Total Hip Arthroplasty in Patient with Osteoporotic Class C Bone?ALTERNATE PAPER: ADULT RECONSTRUCTION HIP II: METAL-ON-METAL TOTAL HIP ARTHROPLASTYCorrelation Between Histopathology and Metal Ion Levels in Failed Metal-on-metal HipsTen-Year Outcome of Serum Metal Ion Levels after Primary Total Hip ArthroplastyPrevalence of Pseudotumors in Asymptomatic Patients with Modular Metal-on-Metal Total Hip ArthroplastiesPredisposing Factors for Pseudotumor Formation in Patients with Adverse Reaction to Metal Debris Magnetic Resonance Imaging is Predictive of Adverse Tissue Reaction in Failed Metal-on-metal Hip ArthroplastyThe Role of Patient Activities in Edge Wear of Hip Resurfacing ArthroplastiesThe ‘Contact Patch to Rim Distance’ Can be Used to Predict Wear in Metal-on-Metal Hip Resurfacing

High Rate of Complications Following Revision of Large Head Metal-on-Metal Total Hip ArthroplastyThe Effect of Gender on Adverse Reactions to Metal Debris: Outcomes of 1,159 38mm Metal-on-Metal Hip ReplacementsPrimary Cementless Total Hip Arthroplasty with Second Generation Metal-on-Metal Bearings Metal on Metal Hips Surveillance Program: Welsh Experience of 1,400 Hips from a High Volume Center ASR Mid-term Results in a Single Center:Clinical, Hematological and Radiological Results at More Than Six YearsThe Results of Revision of Metal on Metal Hip ResurfacingThe Relative Risk of Early Aseptic Revision for Surface Replacement ArthroplastyMetal on Metal versus Polyethylene in Total Hip Arthroplasty: Ten-Year Results of a Randomized Clinical TrialRetrieved Metal on Metal Implants Provide Evidence for Hip Distraction During Swing PhaseHigh Incidence of Adverse Tissue Reaction and Elevation of Serum Cobalt in One Design of Modular Femoral ComponentAre 36+ MM Diameter HXLPE Bearings at Risk of Increased Wear from Modular Taper Corrosion with Ceramic and CoCr Heads?Modular Neck Femoral Components in Total Hip Arthroplasty: Outcome Assessment and Metal Ion AnalysisAre Large Heads an Unqualified Benefit for Metal- on-Metal Total Hip Replacement? Stability vs. “Trunnionosis” WearALTERNATE PAPER: ADULT RECONSTRUCTION HIP III: REVISION TOTAL HIP ARTHROPLASTYFixation of Periprosthetic Femoral Fractures Using a New Generation Cable Plate SystemModular Femoral Stem Failures: A Cause for ConcernClinical and Radiographic Outcomes of Revision Hip Arthroplasty with a Modular Stem DesignFemoral Component Revision with Use of Impaction Bone-grafting and a Cemented Polished Stem Fixation Strength of a Dual-Mobility Cup Cemented into a Well-Fixed Metal-Back During Revision THA The Use of a Dual Mobility Implant to Manage Unstable Total Hip Arthroplasty: 3.5 To 11.1 Year Follow UpEarly Failure Patterns of a Modern Constrained Acetabular Liner DesignCementation of Cross-linked Polyethylene Linerinto Well-fixed Acetabular Shells - A Mean Follow Up of Eight YearsRe-revision of Failed Revision Total Hip Arthroplasty Acetabular CupsRevision Total Hip Arthroplasty using an Alumina-on- Alumina Bearing Surface in Patients with Osteolysis Acetabular Component Revision without Augments in Patients with Paprosky 3A Defects Yields Positive 2-Year ResultsRevision Total Hip Arthroplasty in Patients with Metallosis Following Catastrophic Failure of Polyethylene LinerDecrease in Dislocation Rates in Liner and Head Exchange when Head Size is IncreasedFixation, Survival and Dislocation of Jumbo Acetabular Components in Revision Hip ArthroplastyRisk Factors for Early Revision of Total Hip ArthroplastyEarly Failure in Total Hip Arthroplasty: A Changing ParadigmRisk Factors for Early Revision Following Primary Total Hip Arthroplasty in Medicare PatientsALTERNATE PAPER: ADULT RECONSTRUCTION IV: REVISION THA/TAPERSMid-Term Results of Periprosthetic Femur Fractures Treated with Modular Fluted, Tapered Stems ALTERNATE PAPER: ADULT RECONSTRUCTION HIP V: INFECTION/OTHERArticulating Antibiotic Spacers for Septic Total Hip and Knee Arthroplasty; Longevity, Function and Economics The Risk of Infection Following Intra-articular Injection Prior to Total Hip ArthroplastyThe Utility of Synovial C-Reactive Protein as Marker for Periprosthetic Joint InfectionThe Influence of Surgical Hoods and Togas on Airborne Particle Concentration at the Surgical SiteResults of a Protocol of Screening for Clostridium difficile after Hip and Knee Arthroplasty

Low Re-Infection Rate After Two-Stage Reimplant With Tapered, Modular Stems: Minimum Five-Year Follow UpTwo-stage Revision Retaining of Well-fixed Cementless Stem in the Treatment of Infected Hip Arthroplasty ALTERNATE PAPER: ADULT RECONSTRUCTION HIP VI: BEARINGS IN TOTAL HIP ARTHROPLASTY / NON- ARTHROPLASTY Acetabular Retroversion and Femoroactebular Impingement: The Importance of Acetabular Retroversion IndexAlumina-on-Highly Cross-linked Polyethylene for THAs in Pts. < 30 Years of Age: Minimum 10 Years Follow Up11-Year Outcome of Highly Cross Linked Polyethylene Bearing Surfaces in Primary Conventional Total Hip ReplacementClinical Results of PMPC-grafted Cross-linked Polyethylene Liner in Primary Total Hip Arthroplasty A New Strategy to Extend the Functional Life of Crosslinked Polyethylenes through Vitamin E-Grafting A Novel Method for Assessment of Polyethylene Liner Wear in Radiopaque Tantalum Acetabular ComponentsPulmonary Embolism was More Frequent in Cemented Total Hip Arthroplasty than Cementless THA and TKA Prolonged Surgical Time as a Predictor of Readmission after Total Hip and Knee ArthroplastyOutcomes and Complications of Total Hip Arthroplasty in the Super-Obese: A Retrospective AnalysisALTERNATE PAPER: ADULT RECONSTRUCTION HIP VII: METABOLIC ISSUES IN TOTAL HIP ARTHROPLASTY / COMPLICATIONS IN TOTAL HIP ARTHROPLASTYEconomic Impact of Tranexamic Acid in Healthy Patients Undergoing Primary Total Hip and Knee ArthroplastyCost-analysis of the Use of Tranexamic Acid to Prevent Blood Transfusion in Hip and Knee Arthroplasty SurgeryTopical Tranexamic Acid Reduces Blood Loss and Transfusion Rates in Total Hip ArthroplastyThe Effect of Topical Application of Tranexamic Acid in Total Hip Arthroplasty through the Direct Anterior ApproachSelective Chemoprophylaxis for Venous Thromboembolism Following Total Hip Arthroplasty Fondaparinux Compared with Enoxaparin for the Prevention of Venous Thrombosis in Total Hip ArthroplastyIs Requiring Hemoglobin A1c Control a Significant Barrier to Total Joint Arthroplasty?The Levels of Mineralization, Carbonate Accumulation and Bone Remodeling in Osteoarthritic Subchondral BoneThe Uptake in 18F-fluoride Positron Emission Tomography can Predict the Progression of OsteoarthritisSurgical Anatomy of the Medial Femoral Circumflex Artery Terminal Branches: Arterial Supply to the Femoral HeadThe Current Treatment of Osteonecrosis of the Femoral Head in the U.S.: A 16-year Analysis of the NIS SampleLong-term Results of Conventional Varus Half-wedge Osteotomy for Osteonecrosis of the Femoral Head Non-enzymatic Glycation in the Hip: Cancellous Bone of Osteoporotic and Osteoarthritic PatientsBarbed versus Traditional Sutures:Closure Time, Cost and Wound Related Outcomes in Total Joint ArthroplastyImpact of the Economic Downturn on TJR Demand in the US: Updated Projections for TJR Utilization through 2020Total Hip Arthroplasty and Total Knee Arthroplasty Outcomes are Inferior Under State Mandated Healthcare The Effect of Obesity on Direct Medical Costs in Total Hip ArthroplastyMedical Device Regulation: Can the FDA Approval Process Predict Long-term Survivorship of THA and TKA ImplantsEffect of Recalls, Lawsuits and Direct to Consumer Marketing on Patient’s Perception of Total Joint ArthroplastyNational Trends of Blood Transfusion in Patients Undergoing Total Joint ArthroplastyDeployments to Iraq and Afghanistan in Army Service Members after Total Hip Arthoplasty

SCIENTIFIC EXHIBITS

Femoral Neck Modularity in THA: Not a Bridge Too Far!Factors Influencing Total Hip Arthroplasty in Obese PatientsAn Evidence-Based Approach for the Evaluation of the Painful Metal-on-Metal Total Hip Replacement Do Large (Jumbo) Cups Cause Hip Center Elevation in Revision THA?The Hip Society: Optimizing Management of Patients With Metal-on-Metal HipsReducing Surgical Site Infections in Total Joint Arthroplasty: It’s a War and Not Just One BattleAAOS Research Development Committee: Femoroacetabular Impingement (FAI) and Hip OARegistries Collecting Level I-IV Data: Institutional and Multicenter UseAAOS BME and Biological Implants Committee: Skin Patch Testing and Associated Total Joint OutcomesStudy of the Head-neck Taper Surface of Large- diameter Hard Bearing Hip Prostheses Pathomechanics of FAI and Hip Dysplasia: Current Clinical and Translational Science Perspectives How to Approach the Challenging Femoral Stem RevisionThe Anterior Approach on a Regular OR Table With One Ipsilateral Assistant: Development of a Safe Surgical TechniqueA Comprehensive Blood Management Program in Primary Total Joint Arthroplasty

ADULT RECONSTRUCTION KNEEPAPERSIn-vivo Function of the Medial and Lateral Collateral Ligaments in High Flexion of the KneeRelationship Between Vascular Endothelial Growth Factor and Radiographic Severity in Primary Knee OsteoarthritisRoutine Fungal and Acid Fast Bacilli Cultures in Presumed Aseptic Revisions is Unwarranted Betadine Wash Reduces Implant Related Bacterial Burden in a Rabbit Knee Prostheses Infection Model Effect of Vitamin E on Outcomes, Oxidative Stress Levels in Blood, Joint Fluid and Synovial Tissue in Late Stage Knee OARole of Rifampin plus Vancomycin or Tigecycline Against a S. aureus Implant Infection in Mice The Impact of Depression Following Total Joint Arthroplasty: A Nationwide Database StudyConstitutional Varus Does Not Affect Joint Line Orientation in the Coronal PlaneWhy do TKAs Survive? Soft Tissue Balancing Comparisons of Well Functioning TKA Retrievals Does Bacteriuria Preop Increase the Risk of Deep Joint Sepsis After Joint Arthroplasty?Subclinical Systemic Inflammation in Obese Total Knee Arthroplasty PatientsEffectiveness of Aspiration in Knee Joint Effusion Management: A Prospective Randomized Controlled StudyElevated Blood Glucose and Hemoglobin A1C Associated with Wound Complication Following Total Joint ArthroplastySynovial Fluid Differential Cell Count in Wear Debris Synovitis after Total Knee ReplacementTreating Chondral Defects with Stem Cells Compromised to the Chondrocyte Lineage and Platelet Rich PlasmaResults of Navigational Open Wedge High Tibial Osteotomy Compared with Conventional Cable TechniqueTriple Positioning of Tibia Tuberosity Osteotomy for Patellofemoral DisordersComparison with Minimum 30 Years Follow Up between HTO, UKA and TKA Performed in Patients Younger than 50 YearsTen-Year Outcome of High Tibial Osteotomy:A Prospective Study of 100 Patients

The Risk of Total Knee Arthroplasty After Knee Arthroscopy in Patients Under 65Long-Term Results of Drilling Chondroplasty in Patellofemoral ArthrititsLongitudinal Symptom Variation over One Year in the Failing Medial Compartment of the KneeLateral Opening Wedge Distal Femoral Varus Osteotomy for Correction of Valgus Deformity of the KneeSurvival and Health-related Quality of Life After Valgus Open-wedge High Tibial OsteotomyComparative Study of Medial Opening Wedge High Tibial Osteotomy Using Two Different Implants Effects of Corticosteroid Injection on Systemic Glucose Levels in Diabetic and Non-diabetic PatientsPropionibacterium Acnes as an Under Diagnosed Pathogen in Prosthetic Joint Infection after Lower Limb ArthroplastyKnee Magnetic Resonance Imaging in Adult Patients: Cost Utility is Dependent on Clinician Experience Conflict of Interest in the Assessment of Hyaluronic Acid Injections for Osteoarthritis of the Knee Revision Unicompartmental Knee Arthroplasty to Total Knee Arthroplasty: Not Always a Slam DunkOxford Unicompartmental Knee Fails at High Rate in a High-Volume PracticeRevision of UKA: Is There a Difference Compared to Primary TKA and Revision TKA?Tibiofemoral Contact Mechanics Following Unicompartmental Knee Arthroplasty Improved Fixation in Cementless Unicompartmental Knee Arthroplasty: A Randomized Controlled TrialMinimum 10-year Follow Up of Repicci Unicompartmental Knee ArthroplastySimultaneous Versus Staged Bilateral Unicompartmental Knee ArthroplastyUnicompartmental Knee Arthroplasty After High Tibial Osteotomy: Clinical and Radiographics Outcomes Long-term Outcome of Unicompartmental Knee Replacement in a District General HospitalThe Effect of Deformity Correction on Knee Kinematics in Both Medial and Lateral Unicompartmental Knees Comparative Study of UKA Performed Using Navigation System and Conventional Technique after Five-year Follow UpDoes Robotic Surgical Assistance Improve the Accuracy of Implant Placement in Unicompartmental Knee Arthroplasty?The Survival of Medial and Lateral Unicompartmental Knee Replacements at Five Years is EquivalentUnicondylar Arthroplasty in Anterior Cruciate Ligament Deficient KneesDifferences in Short-Term ComplicationsBetween Spinal and General Anesthesia for Primary Total Knee ArthroplastyPublic Awareness of Medicare Surgeon Reimbursement for THA and TKAContinuous Passive Motion After Total Knee Arthroplasty: A Randomized Controlled Trial Comparing Three ProtocolsThe Effect of Obesity on Direct Medical Costs in Total Knee ArthroplastyA Randomized, Prospective Study Evaluating the Effect of Patellar Eversion on Outcomes in Total Knee ArthroplastyPrimary Knee Arthroplasty Outcomes in Females Before and After Availability of the Gender-Specific ComponentDo We Need Computer-Assisted Navigation to Improve the Survival of Total Knee Arthroplasty? Results at 10.8 YearsAll-Polyethylene Tibial Component Lowers Risk of Revision: Analysis of 27,657 Primary Total Knee ArthroplastiesLong-Term Survival of Different Tibia Implant Designs in Primary Total Knee ArthroplastyInfluence of Femoral Block on Quadriceps Strength Recovery (QSR) After Total Knee Replacement Ten to 20-year Results of Cemented Primary Total Knee Replacement Using a Contemporary Prosthesis A Randomized Clinical Trial of 260 TKA: Porous-Metal Tibial Components were Reliable and Durable at Five Years

Patient Specific Guides Do Not Improve Accuracy in Total Knee ArthroplastyLong Term (35 Years) Outcome Analysis of the Young Total Knee Patient: Minimum 20 YearsBalanced Flexion/Extension Gaps are Not of Equal SizeThe Ergonomics of Efficient Surgical Technique in Total Knee ReplacementCruciate Retaining Versus Posterior Stabilized Bilateral Total Knee Replacements: Gait And Fluoro Analyses Vascular Anatomy of the Patella: Implications for Total Knee Arthroplasty Surgical ApproachesIntra-Operative Assessment of Mid-Flexion Instability in Total Knee ArthropalstyRCT Multicenter Comparison of Primary TKA Using Patient Specific Versus Conventional Instrumentation Do Patients Return to Work After Total Knee Arthroplasty?Why Are Total Knees Failing Today? Etiology of Total Knee Revision in 2010 and 2011Risk Factors for Early Revision of Total Knee ArthroplastyPrevalence of Comorbidities and Clinical Outcomes in Total Knee Arthroplasty Patients 80 Years of Age and OlderDoes Obesity Influence Clinical Outcomes at Nine Years Following Total Knee Arthroplasty?Risk Factors for Total Knee Arthroplasty Aseptic RevisionTotal Knee Arthroplasty with the Uncemented Trabecular Metal TibiaTopical Tranexamic Acid in Total Knee Arthroplasty: A Double-Blind, Randomized, Placebo Controlled Trial Can Tranexamic Acid and Hydrogen Peroxide Reduce Blood Loss in Cemented Total Knee Arthroplasty One Intraoperative Dose of Tranexamic Acid is Safe and Effective in Revision Total Knee ArthroplastyOutcome of Total Knee Arthroplasty in Obese PatientsThe Role of Primary Bearing Type in Revision Total Knee ArthroplastyRecurrent Periprosthetic Joint Infection: Persistent or New Infection?Two-Stage Revision Total Knee Arthroplasty is Associated with High Complication and Failure Rates Systematic Review of Static and Articulating Spacers for Infected Total Knee Arthroplasty RevisionReported Pain After Total Knee Arthroplasty:A Prospective, Randomized Trial Comparing Two Surgical ApproachesFailure Mechanism of Knee Arthroplasties: A Retrospective AnalysisTKA Revision in a Femur with a Total Hip Arthroplasty: Is There a Safe Distance between the Stem Tips? Retrieval Analysis of Fixed Versus Mobile Bearing Retrieved Polyethylene Inserts Using Laser Scanning TechnologyManagement of the Patella in Revision Total Knee ArthroplastyThe Impact of Periprosthetic Infections Following Total Knee Arthroplasty at a Specialized Tertiary-Care Center Single Stage Revision for the Infected Total Knee Replacement - Results from a Single CenterIncreased Intraoperative Contamination with Space Suit Use - A MechanismTargeted Use of Vancomycin Reduces Rate of PJI and Methicillin Resistant Organisms in TKAStemmed Femoral Implants Show Lower Failure Rates in Revision Total Knee ArthroplastyIdentification of Polymicrobial Infection in Total Knee Arthroplasty Through Sonicate Fluid CulturesComparative Effectiveness of Prophylactic Antibiotic Choice and Surgical Infection in ArthroplastyAspirin is an Effective Alternative Prophylaxis for Prevention of Pulmonary Embolism Following Joint ArthroplastyRisk of Symptomatic VTE Associated with Flying in the Early Postoperative Period after THA and TKAInpatient Myocardial Infarction after Elective Primary Hip or Knee Arthroplasty

The Effect of Aspirin and Low-molecular-weight Heparin on Venous Thromboembolism afterKnee ReplacementTwo-stage Revision Total Knee Arthroplasty with an Articulating Spacer: Minimum Five-year ReviewHigh Level of Residual Symptoms in Young Patients with Total Knee ArthroplastyThe Effect of Timing of Manipulation Under Anesthesia to Improve Range-of-Motion Following TKAIntraoperative Swab Cultures are Not as Goodas Tissue Samples for Diagnosis of Periprosthetic Joint InfectionAre Bilateral Total Joint Replacement Patients at a Higher Risk of Developing Pulmonary Embolism Following Surgery?Arthroplasty Immediately after an Infected Surgery; How Much is the Risk of Periprosthetic Infection? Periprosthetic Joint Infection: A Fatal Condition?Threshold for Synovial Cell Count and Differential for PJI in Knee: Using Standard MSIS Definition Characterization of Pulmonary Emboli in Orthopaedic Surgery Patients Compared to General Medical Patients

Arthroscopic Lysis of Adhesions after TKA: Overall Results and Gravity Flexion as a Prognostic Sign Topical Tranexamic Acid Reduces Blood Loss and Transfusion Rates in Total Knee Arthroplasty Pulmonary Embolism in a Community Arthroplasty Registry with VTE Prophylaxis Utilizing ACCP Guidelines Contributions of Femoral, Tibial and Patellar Malposition to Patellar Maltracking in Total Knee ArthroplastyUse of Knee Immobilizers for Primary Fall Prevention after Femoral Nerve Blockade in Total Knee Arthroplasty Prospective Comparison of Mid-term Results Between High Flexion and Standard Designs in Cruciate Retaining TKAHistorical Analysis of Reasons for Retrieval of Short Duration Total Knee Arthroplasties (TKA)ALTERNATE PAPER: ADULT RECONSTRUCTION KNEE I: BASIC SCIENCEPeri-prosthetic Bone Mineral Density after Bilateral Total Knee Arthroplasty Under Oral Alendronate Therapy Can MRI-based and CT-based Patient Specific Instruments Deliver their Proposed Advantages? Patient Specific Instrumentation versus Computer Navigated, Adjustable Cutting Blocks in Total Knee ArthroplastyThe Length of Quadriceps Incision Affect Recovery of Isokinetic Quadriceps Strength after Total Knee ArthroplastyThe Effects of Asymmetric Patellar Resurfacing and Overstuffing on the Extensor Mechanism in TKA ALTERNATE PAPER: ADULT RECONSTRUCTION KNEE II: NON-ARTHROPLASTY APPROACHAbnormal Axial Rotation Patterns Contributes to Reduced Weight-bearing Flexion90-Day Readmission Rate for Total Knee ArthroplastyUncemented vs. Cemented Stems in Two-Stage Revision for Infected Total Knee Arthroplasty 10-Year Prospective Matched-Pair Wear Analysis of Rotating Platform and Fixed-Bearing Designs Medial Gastrocnemius Flap for Soft Tissue Defects After Knee Arthroplasty: Outcomes and Risk Factors for FailureSignificant Decrease in Length of Stay & Significant Increase in Cost for TKA in the United States Dental Clearance Prior to Elective Arthroplasty: Needed for Everyone?Cost Comparison of Total vs. Unicompartmental Knee ArthroplastyYoung Total Knee Arthroplasty Patients: Are They Really Active?Risk Factors, Outcomes and Timing of Manipulation Under Anesthesia After Total Knee Arthroplasty Mid-term Survival Following Primary Hinged TKR is Good Irrespective of the Indication for SurgeryALTERNATE PAPER: ADULT RECONSTRUCTION KNEE III: UNICOMPARTMENTAL KNEE ARTHROPLASTY

POSTERS

Effect of Alignment on Polyethylene Wear inUnicompartment Knee ArthroplastyPatient Phenotype Allows for Prediction ofPatient Reported Satisfaction Following Total Knee ReplacementThirty-day Postoperative Morbidity and Mortality After Primary Total Knee Arthroplasty: A Study of 15,517 PatientsALTERNATE PAPER: ADULT RECONSTRUCTION KNEE VI: REVISION TOTAL KNEE ARTHROPLASTYCost Effectiveness of One Stage and Two Stage Revision for Infected Total Knee Arthroplasty Impact of Blood Transfusion on Acute Wound Infection Following Total Knee and Hip Arthroplastyß-catenin: A Marker with High Specifity for Arthrofibrosis after Total Knee Arthroplasty Identifying Ideal Tibia Component Rotation in Knee Replacement Referenced by Femoral Trochlea Groove Total Knee Arthroplasty for Severe Haemophilic Arthropathy: Long-Term Experience in Japan ALTERNATE PAPER: ADULT RECONSTRUCTION KNEE VII: COMPLICATIONSTotal Joint Arthroplasty Can be Safe in the Super Morbidly ObeseOutcome of Total Knee Arthroplasty following PatellectomySingle Stage Versus Staggered Bilateral Total Knee Replacements in a Single HospitalizationThromboembolism Prophylaxis: Is Very Low Fixed Dose Warfarin an Equivalent Postoperative Regime?Is the Function of Kinematically-Aligned TKA Better Than Mechanically-Aligned TKA? A Randomized Control TrialSurvival Rate of Implant and Mode of Failure After Revision Total Knee Arthroplasty Using Modular ProsthesisThe Dramatic Increase in Knee Replacement Utilization is not Primarily Attributable to Increases in Young PatientsPostoperative Tibial Alignment was Improved by Considering Ankle Rotation in Total Knee Arthroplasty 6-Year Review on Efficacy of Preoperative Vena Cava Filters in Arthroplasty Patients at Risk for Pulmonary EmbolismDoes the Severity of Varus Deformity Influence Postoperative Alignment in Conventional and Computer-assisted TKA?Perioperative Risk Analysis: Regression Model Based on 5,314 Patients from a Single InstitutionTreatment Failure Among Infected Periprosthetic Patients at a Highly Specialized Revision TKA Referral PracticeRacial Differences in Functional Outcomes in Asian Patients Undergoing Knee ArthroplastyVariability in the Distal Femoral Mechanical-Anatomic Angle in Patients Undergoing Total Knee Arthroplasty ALTERNATE PAPER: ADULT RECONSTRUCTION KNEE IV: TOTAL KNEE ARTHROPLASTYA Cost-Minimization Analysis of Knee Arthroplasty Using Data from Two National RegistriesAccuracy of Patient-specific Cutting Guide in Total Knee ArthroplastyALTERNATE PAPER: ADULT RECONSTRUCTION KNEE V: PRIMARY TOTAL KNEE ARTHROPLASTYThe Effect of Periarticular Injection: Randomized, Controlled Comparison of Various Cocktail Regimens The Knee that Birthed MIS: A Comparison Study between All-Polyethylene and Fixed-Bearing Metal-Backed UKAClinical Necessity for Total Knee ArthroplastyMortality Following Simultaneous BilateralTotal Knee Arthroplasty with and without Computer Assisted SurgeryPreservation of the PCL is not Recommended in Highly Conforming Mobile Bearing Total Knee Arthroplasty Total Knee Arthroplasty in Patients with Excessive External Tibial Torsion > 450 and Patella Instability Relationship Between Vascular Endothelial Growth Factor and Radiographic Severity in Primary Knee OsteoarthritisLong-Leg Radiographs are Unnecessary for Follow Upof Total Knee ReplacementsDoes Total Knee Replacement Lead to an Increase in Lateral Retinacular Strain with Flexion?Efficacy, Timing and Clinical Outcomes of Manipulations Under Anesthesia Versus a Comparison CohortIs Midterm Follow Up Surveillance of Total Knee Arthroplasty Patients Necessary?

Comparison of Infection, Revision andSurgical Interventions Between Unicondylar and Total Knee ArthroplastyPulmonary Findings in Asymptomatic Postoperative Total Joint Arthroplasty PatientsPulse Lavage is Inadequate at Removal of Biofilm from the Cobalt Chrome Surfaces in Total Knee Arthroplasty Tranexamic Acid in Total Knee Arthroplasty Improves Clinical and Functional OutcomesSingle Stage “Two in One” Revsion for Infected Knee Replacement: A Report of the First 19 CasesPatella Kinematics in Total Knee Arthroplasty with Femoral Malrotation In VitroHospital Length of Stay after Primary Total Knee Arthroplasty: Data from the NISThe Effect of Fixation on Functional Outcomeand Survival of a Cruciate Retaining Total Knee Replacement Up to 17 YearsSystematic Review of Static and Articulating Spacers for Infected Total Knee Arthroplasty Revision Center and Surgeon Volume Influence Revision Rate Following Unicompartmental Knee ReplacementIs Adapted Measured Resection Superior Over Gap-balancing in Determining Femoral Component Rotation In TKA?Outcomes Following Total Knee Revision with Trabecular Metal ConesPreliminary Data on Use of Tranexamic Acid in High Risk Patients Undergoing Primary Total Hip and Knee ArthroplastyOutcomes of Total Knee Arthroplasty after Fresh Osteochondral Allograft TransplantationLow Urine Output During the First 24 Hours After Total Knee ArthroplastyTotal Knee Arthroplasty in Patients with Juvenile Idiopathic Arthritis: A Multi Center Study Patellofemoral Arthroplasty - Patient Profile and Early OutcomesMid Term Outcomes and Survivorship of Unicondylar Knee Arthroplasty in Patients with Severe Deformity Pre-admission Cutaneous Chlorhexidine Preparation Reduces Surgical Site Infections inTotal Knee ArthroplastyUse of the Gender-Specific Femoral Component in Men: An Experience in 328 Male Primary Total Knee ArthroplastiesEvaluation of Tibial Component Coverage in Total Knee ArthroplastyIn-Vivo Alignment Comparing Conventional to Patient Specific Instrumentation in Total Knee Arthroplasty Does Patient Attitude Towards Knee Pain Affect the Outcome of Total Knee Arthroplasty?Insufficiency Fracture (Unique Periprosthetic Fracture After Total Knee Arthroplasty)Total Knee Arthroplasty May Improve Mental Health Scores in Patients With Poor General HealthEffect of Bearing Design in Failed Unicompartmental Knee Arthroplasty on the Revision ProcedureOutcomes of Manipulation Under Anesthesia S tratified by Pre-Manipulation Range-of-Motion after Primary TKATotal Knee Arthroplasty in Osteonecrosis: Mid-term Results with a New Implant DesignComparison of In Vivo Wear Particles Between Sequentially Annealed HXLPE and Conventional PE inTKAThe Role of Surgical Dressings in Total Knee Arthroplasty: A Randomized Clinical Trial The Outcome of Total Knee Arthroplasty in Patients Aged 80 Years and Older: A Study of 479 Patients Rotational Mismatch Between Femoral and Tibial Components after TKA for Varus Osteoarthritis of the KneeFewer and Older Patients with Rheumatoid Arthritis Need Total Knee ReplacementThe Effect of Femoral Component Design on the Incidence of Patellar Crepitus Following Total Knee ArthroplastyPatient Specific Instrumentation Does Not Shorten Surgical Time: A Prospective, Randomized Trial

Risk Factors for Early Revision Following Primary Total Knee Arthroplasty in Medicare PatientsPreoperative Pain Location is a Poor Predictor of Outcome after Unicompartmental Knee Arthroplasty

SCIENTIFIC EXHIBITSStability of the Implanted Knee During Activities of Daily LivingA Novel Technique of Tomography Detected Small Periprosthetic Bone Defects in TKAHigh Level of Residual Symptoms in Young Patients With TKAThe Knee Society: Current Status of Arthroplasty of the KneeThe Management of Extensor Mechanism Complications in Total Knee Arthroplasty The Utility and Role of Osteotomies About the KneeHigh Flexion in Contemporary Total Knee Design - A Cause of Increased UHMWPE Damage:A Finite Element StudyPrevention and Treatment of Complications With Medial Unicompartment Knee Arthroplasty (UKA) The Risks and Benefits of Alternate Bearing Use in Total Knee ArthroplastyLong-Term Outcomes of Manipulation Under Anesthesia for Stiffness in Primary Total Knee ArthroplastyBasic Uses of Hyaluronic Acid in Early Knee ArthritisA Large-Scale, Multi-Modality Comparative Retrieval Analysis of 500 Tibial InsertsWhy Do Posterior Stabilized Knees Fail?Lifetime Risk of TKR: Role of Knee Injury, Obesity, and Occupational ExposureMechanism of Primary Knee Arthroplasty Failure: Difference of a DecadeManagement of the Patella in Revision Total Knee ArthroplastyAlignment in Total Knee Arthroplasty: Where Have We Come From and Where Are We Going?

Conventional versus Short, Anatomic Metaphyseal- Fitting Cementless Stem for Femoral Neck Fracture Porous Tantalum vs. Titanium Monoblock Acetabular Components: A Long-Term Randomized Controlled Trial

Outcomes of Cable vs. Wire Fixation Five Years After Total Hip ArthroplastySimilar Improvement in Gait Parameters with Direct Anterior and Posterior Approach Total Hip Arthroplasty Trends in Patient Physical Activity Before and After Primary Total Hip ArthroplastyVariability in Hospital-Level Risk Standardized Complication Rates Following Primary TJA in Medicare Patients

Risk Factors for Pseudotumor Formation in 1,036 Consecutive Hips Operated on with ASR Components Short-Term Natural History of Pseudotumor in Asymptomatic Patients After Metal-on-Metal Hip Arthroplasty

Combined Trabecular Metal Cup and Augment for Acetabular Revision: A Five-Year Follow-Up Study Pelvic Discontinuity; Comparing Midterm Results of Cup-cage Reconstruction to Conventional Cages

Surgical Indications for Re-revision in Total Hip Replacement (THR) Patients Younger than Age Fifty Nasal Decolonization of Staphylococcus aureus with Antimicrobial Photodynamic Therapy

Reduced Re-Infection Rates with Postoperative Oral Antibiotics After Two-Stage Revision Hip Arthroplasty Are Multiple Cultures Worth the Effort? Impact on Hip and Knee Revision Arthroplasty

Multi-center Analysis of Clinical Factors Affecting Polyethylene Wear in 945 Total Hip Arthroplasties Evidence of Permanent Oxidative Stabilization of Bearing Materials in Crosslinked Vitamin E Grafted Polyethylene

ALTERNATE PAPER: ADULT RECONSTRUCTION HIP I: PRIMARY TOTAL HIP ARTHROPLASTYTotal Joint Replacement in Patients over 90 Years of Age is a Viable Option but Requires Risk Adjustment

ALTERNATE PAPER: ADULT RECONSTRUCTION HIP II: METAL-ON-METAL TOTAL HIP ARTHROPLASTYCorrelation Between Histopathology and Metal Ion Levels in Failed Metal-on-metal Hips

Metal on Metal Hips Surveillance Program: Welsh Experience of 1,400 Hips from a High Volume Center ASR Mid-term Results in a Single Center:Clinical, Hematological and Radiological Results at More Than Six Years

ALTERNATE PAPER: ADULT RECONSTRUCTION HIP III: REVISION TOTAL HIP ARTHROPLASTYFixation of Periprosthetic Femoral Fractures Using a New Generation Cable Plate System

ALTERNATE PAPER: ADULT RECONSTRUCTION IV: REVISION THA/TAPERSMid-Term Results of Periprosthetic Femur Fractures Treated with Modular Fluted, Tapered Stems ALTERNATE PAPER: ADULT RECONSTRUCTION HIP V: INFECTION/OTHERArticulating Antibiotic Spacers for Septic Total Hip and Knee Arthroplasty; Longevity, Function and Economics

Betadine Wash Reduces Implant Related Bacterial Burden in a Rabbit Knee Prostheses Infection Model Effect of Vitamin E on Outcomes, Oxidative Stress Levels in Blood, Joint Fluid and Synovial Tissue in Late Stage Knee OA

The Effect of Deformity Correction on Knee Kinematics in Both Medial and Lateral Unicompartmental Knees Comparative Study of UKA Performed Using Navigation System and Conventional Technique after Five-year Follow Up

RCT Multicenter Comparison of Primary TKA Using Patient Specific Versus Conventional Instrumentation Do Patients Return to Work After Total Knee Arthroplasty?

Topical Tranexamic Acid in Total Knee Arthroplasty: A Double-Blind, Randomized, Placebo Controlled Trial Can Tranexamic Acid and Hydrogen Peroxide Reduce Blood Loss in Cemented Total Knee Arthroplasty

Two-Stage Revision Total Knee Arthroplasty is Associated with High Complication and Failure Rates Systematic Review of Static and Articulating Spacers for Infected Total Knee Arthroplasty Revision

Pulmonary Embolism in a Community Arthroplasty Registry with VTE Prophylaxis Utilizing ACCP Guidelines Contributions of Femoral, Tibial and Patellar Malposition to Patellar Maltracking in Total Knee ArthroplastyUse of Knee Immobilizers for Primary Fall Prevention after Femoral Nerve Blockade in Total Knee Arthroplasty Prospective Comparison of Mid-term Results Between High Flexion and Standard Designs in Cruciate Retaining TKA

Effect of Alignment on Polyethylene Wear inUnicompartment Knee ArthroplastyPatient Phenotype Allows for Prediction ofPatient Reported Satisfaction Following Total Knee Replacement

The Effect of Periarticular Injection: Randomized, Controlled Comparison of Various Cocktail Regimens The Knee that Birthed MIS: A Comparison Study between All-Polyethylene and Fixed-Bearing Metal-Backed UKA

Total Knee Arthroplasty in Patients with Excessive External Tibial Torsion > 450 and Patella Instability Relationship Between Vascular Endothelial Growth Factor and Radiographic Severity in Primary Knee Osteoarthritis

Conventional versus Short, Anatomic Metaphyseal- Fitting Cementless Stem for Femoral Neck Fracture Porous Tantalum vs. Titanium Monoblock Acetabular Components: A Long-Term Randomized Controlled Trial

Outcomes of Cable vs. Wire Fixation Five Years After Total Hip ArthroplastySimilar Improvement in Gait Parameters with Direct Anterior and Posterior Approach Total Hip Arthroplasty Trends in Patient Physical Activity Before and After Primary Total Hip ArthroplastyVariability in Hospital-Level Risk Standardized Complication Rates Following Primary TJA in Medicare Patients

Risk Factors for Pseudotumor Formation in 1,036 Consecutive Hips Operated on with ASR Components Short-Term Natural History of Pseudotumor in Asymptomatic Patients After Metal-on-Metal Hip Arthroplasty

Multi-center Analysis of Clinical Factors Affecting Polyethylene Wear in 945 Total Hip Arthroplasties Evidence of Permanent Oxidative Stabilization of Bearing Materials in Crosslinked Vitamin E Grafted Polyethylene

Metal on Metal Hips Surveillance Program: Welsh Experience of 1,400 Hips from a High Volume Center ASR Mid-term Results in a Single Center:Clinical, Hematological and Radiological Results at More Than Six Years

Betadine Wash Reduces Implant Related Bacterial Burden in a Rabbit Knee Prostheses Infection Model Effect of Vitamin E on Outcomes, Oxidative Stress Levels in Blood, Joint Fluid and Synovial Tissue in Late Stage Knee OA

The Effect of Deformity Correction on Knee Kinematics in Both Medial and Lateral Unicompartmental Knees Comparative Study of UKA Performed Using Navigation System and Conventional Technique after Five-year Follow Up

Topical Tranexamic Acid in Total Knee Arthroplasty: A Double-Blind, Randomized, Placebo Controlled Trial Can Tranexamic Acid and Hydrogen Peroxide Reduce Blood Loss in Cemented Total Knee Arthroplasty

Pulmonary Embolism in a Community Arthroplasty Registry with VTE Prophylaxis Utilizing ACCP Guidelines Contributions of Femoral, Tibial and Patellar Malposition to Patellar Maltracking in Total Knee ArthroplastyUse of Knee Immobilizers for Primary Fall Prevention after Femoral Nerve Blockade in Total Knee Arthroplasty Prospective Comparison of Mid-term Results Between High Flexion and Standard Designs in Cruciate Retaining TKA

The Effect of Periarticular Injection: Randomized, Controlled Comparison of Various Cocktail Regimens The Knee that Birthed MIS: A Comparison Study between All-Polyethylene and Fixed-Bearing Metal-Backed UKA

Total Knee Arthroplasty in Patients with Excessive External Tibial Torsion > 450 and Patella Instability Relationship Between Vascular Endothelial Growth Factor and Radiographic Severity in Primary Knee Osteoarthritis

Outcomes of Cable vs. Wire Fixation Five Years After Total Hip ArthroplastySimilar Improvement in Gait Parameters with Direct Anterior and Posterior Approach Total Hip Arthroplasty Trends in Patient Physical Activity Before and After Primary Total Hip ArthroplastyVariability in Hospital-Level Risk Standardized Complication Rates Following Primary TJA in Medicare Patients

Outcomes of Cable vs. Wire Fixation Five Years After Total Hip ArthroplastySimilar Improvement in Gait Parameters with Direct Anterior and Posterior Approach Total Hip Arthroplasty Trends in Patient Physical Activity Before and After Primary Total Hip ArthroplastyVariability in Hospital-Level Risk Standardized Complication Rates Following Primary TJA in Medicare Patients

Outcomes of Cable vs. Wire Fixation Five Years After Total Hip ArthroplastySimilar Improvement in Gait Parameters with Direct Anterior and Posterior Approach Total Hip Arthroplasty Trends in Patient Physical Activity Before and After Primary Total Hip ArthroplastyVariability in Hospital-Level Risk Standardized Complication Rates Following Primary TJA in Medicare Patients