Research Studies

QUALITY IMPROVEMENT PROJECTS & IRB-APPROVED RESEARCH STUDIES

**Denotes Foot and Ankle Fellowship or Sports Medicine Fellowship Involvement

Scott D. Anseth, MD

Opioid Prescribing Practices Between Total Knee and Hip Arthroplasty in an Outpatient Versus Inpatient Setting.

A Body Mass Index and Total Spend Comparison between Patients who had an Elective Total Hip Arthroplasty.

Rate of Hospital Admissions, Emergency Room Visits and Complications in Outpatient Total Hip Patients using an Ambulatory Surgical Center and Care Suite Model.

Opioid Prescribing and Consumption for Total Hip Arthroplasty Procedures.

Opioid Prescribing and Consumption for Total Knee Arthroplasty Procedures.

FDA Clinical Trial- A Randomized Clinical Study to Compare the Safety and Efficacy of the Oxford Cementless Partial Knee System.

Does Total Knee Arthroplasty Range of Motion have a Greater Improvement with Home Care or a Skilled Nursing Facility?

Patient Outcome Satisfaction While Using a Titanium Modular Tapered Stem for Total Hip Arthroplasty Revision.

A Cost Comparison between Patients who have an Elective Total Hip Arthroplasty vs. undergoing THA/Hemiarthroplasty for Trauma.

The Effect of Time of Consult to Time of Surgery for Total Knee, Hip and Ankle Arthroplasty Patients.

Timing of Pre-Operative History & Physical Clearance in Total Knee & Hip Patients.

Paul M. Cammack, MD

**National Institutes of Health / Helping patients and physicians choose the appropriate surgery for end stage hallux rigidus

J. Chris Coetzee, MD

**Effect of Distal Tibial Cortical Bone Coverage in Rates of Total Ankle Replacement Implant Subsidence, Loosening and Heterotopic Bone Formation

**Lateral Sesamoidectomy Utilizing a Medial Approach with a Burr: Rates and Outcomes

**Isolated Talonavicular Joint Fusion for Stage 2 Adult Acquired Flatfoot Deformity: Rates and Outcomes

**Distal Fibular Fracture with Primary Deltoid Ligament Repair

**National Institutes of Health / Helping patients and physicians choose the appropriate surgery for end stage hallux rigidus

**Patient Reported Outcomes after Undergoing Implantation of a Synthetic Cartilage Device for the Treatment of Hallux Rigidus

Fusion Rates and Outcomes on the Use of a Femoral Head Allograft in Ankle Fusions

Early Outcomes on the Use of an Anterior Plate for Ankle Fusion.

**Early Results on a Modern Generation Fixed-Bear Total Ankle Arthroplasty

**Management of a Failed Total Ankle Replacement with a Revision Prosthesis. A multi-center study of the indications, surgical techniques and short term outcomes.

Treatment Outcomes of Hallux Rigidus

**Takedown of Ankle Fusions and Conversion to Total Ankle Replacements: A prospective Longitudinal Study

Comparing Ankle Arthrodesis to Ankle Arthroplasty

Retrieval and Analysis of Total Ankle Arthroplasty Implants and Periprosthetic Tissue: Correlating Radiographic, Clinical, Damage Mode and Inflammatory Marker Data to Elucidate the Path Toward Revision and Clinical Failure

Treatment Outcomes of Ankle Osteoarthritis

Thomas K. Comfort, MD

Impact of Cup Geometry and Fixation on Survival in Total Hip Arthroplasty

Prevalence of infection status post total knee arthroplasty with antibiotic bone cement in a community based joint registry.

Cam Midterm Outcomes in Patients with Cam Femoroacetabular Impingement Treated Arthroscopically

Bryan D. Den Hartog, MD

Fusion Rates and Outcomes on the Use of a Femoral Head Allograft in Ankle Fusions

**Patient Reported Outcomes after Undergoing Implantation of a Synthetic Cartilage Device for the Treatment of Hallux Rigidus

**Effect of Distal Tibial Cortical Bone Coverage in Rates of Total Ankle Replacement Implant Subsidence, Loosening and Heterotopic Bone Formation

**Lateral Sesamoidectomy Utilizing a Medial Approach with a Burr: Rates and Outcomes

**Isolated Talonavicular Joint Fusion for Stage 2 Adult Acquired Flatfoot Deformity: Rates and Outcomes

**Distal Fibular Fracture with Primary Deltoid Ligament Repair

**National Institutes of Health / Helping patients and physicians choose the appropriate surgery for end stage hallux rigidus

Paul R. Diekmann, MD

Orthopaedic Surgery in Ambulatory Surgery Centers During the COVID-19 Pandemic: Low Incidence of Infection in Patients, Surgeons and Staff

Patrick B. Ebeling, MD

**Patient Reported Outcomes after Undergoing Implantation of a Synthetic Cartilage Device for the Treatment of Hallux Rigidus

William M. Engasser, MD

**Patient Reported Outcomes after Undergoing Implantation of a Synthetic Cartilage Device for the Treatment of Hallux Rigidus

**Lateral Sesamoidectomy Utilizing a Medial Approach with a Burr: Rates and Outcomes

**Isolated Talonavicular Joint Fusion for Stage 2 Adult Acquired Flatfoot Deformity: Rates and Outcomes

David E. Hartigan, MD

CREST: A Randomized Controlled Trial Comparing Inter-portal Hip Capsular Repair vs. No Repair Following Hip Arthroscopy

Ryan W. Hess, MD

Outcomes and Operative Techniques after Anterior Cruciate Ligament Surgery

Scott M. Holthusen, MD

**Patient Reported Outcomes after Undergoing Implantation of a Synthetic Cartilage Device for the Treatment of Hallux Rigidus

Ryan R. Karlstad, MD

Patient-reported Outcomes Following Arthroscopic Rapeziectomy with Suture Button Suspensionplasty Versus Open Trapeziectomy with Ligament

Robert F. LaPrade, MD

Sport Performance and Outcomes following Complex Knee Surgery

Comparing the Effectiveness of Plain Radiographs Compared to Long Leg Alignment Radiographs

Non-Weight Bearing Versus Partial Controlled Weight-bearing During the First Six Weeks of Rehabilitation after Knee Ligament Reconstruction: A Randomized Controlled Trial

Full Weight-bearing Versus Partial Controlled Weight-bearing During the First Six Weeks of Rehabilitation after Reconstruction of the Fibular Collateral Ligament: A Randomized Controlled Trial

The Effects of Knee Surgery on Patient Sleep

Meniscal Root Tears: Evaluating meniscal extrusion after root repair with and without transtibial peripheral stabilization sutures using Ultrahigh magnetic fields: A Randomized Controlled Trial

The Natural History of Medial Meniscal Root Tears: A Biomechanical and Clinical Case Perspective

Preoperative Quadriceps and Hamstring Isometric Torque Values Across Individuals with Different Meniscal Pathology

Christopher M. Larson, MD

Outcomes Following Hip Arthroscopy in Patients with Acetabular Retroversion

DoD- Identification of Predictors for Clinical Outcomes in Femoroacetabular Impingement Surgery

Joint Preservation (JP) Repository 2 – A Multi-Center Cohort Investigating Surgical Outcomes and Predictors of Treatment for Hip Disease

Hip Arthroscopy Outcomes in NFL and Collegiate American Football Players: Single Surgeon Experience with Return to Play, Sustained Return to Play, and Attrition Analysis

Early Outcomes of Anterolateral Ligament Repair in Anterior Cruciate Ligament Reconstructions.

Characterization of Symptomatic Hip Impingement in Butterfly Ice Hockey Goalies.

**Return to Athletics Following Fasciotomy for Chronic Exertional Compartment Syndrome

Complications after Hip Arthroscopy

The Dancers Hip: Extreme ROM Impingement / Instability: Arthroscopic Clinical Outcomes

Arthroscopic Management of Dysplastic Hip Morphologies: Predictors of Success and Failures and Comparison to an Arthroscopic FAI Cohort

Outcomes after Hip Arthroscopy with patient with Ehlers Danlos Syndrome.

Gender Based Differences and Hip Arthroscopy: Clinical Findings, Procedures, and Outcomes

Arthroscopic Femoroacetabular Impingement in Skeletally Immature Athletes: Radiographic and Clinical Analysis. Arthroscopy.

Management of Acetabular Rim Fractures and Os Acetabuli Associated With Femoroacetabular Impingement: A Comparative Outcomes Study

The Influence of Previous or Concurrent Psoas Tenotomy and Femoral Version on Hip Surgery Outcomes

Arthroscopic Treatment of Femoroacetabular Impingement: Early Outcome Evaluation of Labral Refixation / Repair vs. Debridement

Arthroscopic Hip Revision Surgery for Residual FAI: Surgical Outcomes

Early Outcomes and Demographics of Arthroscopic Repair of Meniscal Root and Complete Radial Meniscal Tears in Competitive Athletes

Arthroscopy for post SCFE (Slipped Capital Femoral Epiphysis) Deformity

A Multicenter Prospective Analysis of Hip Impingement Surgery

Gregory N. Lervick, MD

Magnetic Resonance Imaging After Arthroscopic Microfracture of Capitellar Osteochondritis Dissecans

Long-term Clinical Outcomes and Patient Satisfaction Rates in Clavicles Fractures With Plate Fixation

A Comparison of Reversed (Semiconstrained) and Unconstrained Total Shoulder Arthroplasty

Correlation of Objective Shoulder Function With Patient Self-Assessment Following Reversed Total Shoulder Arthroplasty

Arthroscopic Distal Clavicle Resection for Treatment of Residual Type II Acromioclavicular (AC) Separations

**Reliability and Reproducibility of a New Method for Classifying Acromioclavicular Separations

A Novel Assessment Method for Classifying Acromioclavicular Separations

Clare K. McCarthy, MD

A Retrospective Data Collection of Small Bone Reconstruction Limited to Inter-Digital Fusion of Fingers and Toes and Small Bones Fusion with X Fuse® Superelastic Implant

Long-term outcomes in patients with CMC arthroplasty and MP fusion compared with CMC arthroplasty

Brad R. Moser, MD

An Evaluation of Dance-Related Injuries and Movement Patterns

Posterior Ankle Impingement

The Dancers Hip: Extreme ROM Impingement / Instability: Arthroscopic Clinical Outcomes

Frank B. Norberg, MD

Early Outcomes on Patients Undergoing Superior Capsular Reconstruction

Owen R. O’Neill, MD

Orthopaedic Surgery in Ambulatory Surgery Centers During the COVID-19 Pandemic: Low Incidence of Infection in Patients, Surgeons and Staff

The Effect of Time of Consult to Time of Surgery for Total Knee, Hip and Ankle Arthroplasty Patients

Timing of Pre-Operative History & Physical Clearance in Total Knee & Hip Patients

Does Total Knee Arthroplasty Range of Motion have a Greater Improvement with Home Care or a Skilled Nursing Facility?

Gary S. Sager, MD

Multi-Center Study of the Safety and Performance of Primary Total Knee Arthroplasty with LEGION™ Porous HA Tibial Baseplates (with and without holes) and/or the LEGION™ Porous HA CR Femoral Component in US Centers

Jeffrey D. Seybold, MD

**Patient Reported Outcomes after Undergoing Implantation of a Synthetic Cartilage Device for the Treatment of Hallux Rigidus

**National Institutes of Health / Helping patients and physicians choose the appropriate surgery for end stage hallux rigidus

Training HAUS

Sport Performance Testing to Evaluate Biomechanical and Strength Asymmetries within 2 years following ACL Surgery

Preoperative Quadriceps and Hamstring Isometric Torque Values Across Individuals with Different Meniscal Pathology

Rachel Uzlik, CPHQ

Opioid Prescribing Habits and Patient Reported Utilization and Disposal for Outpatient Orthopedic Procedures.

Troy A. Vargas, DPM

Simultaneous Bilateral Leg Fasciotomy for Chronic Exertional Compartment Syndrome: A Retrospective Case Series with Diagnostic and Treatment Protocol

Impact of Tarsometatarsal Arthrodesis (Midfoot Fusion) on Plantar Forefoot Pressures

Corey A. Wulf, MD

Early Outcomes and Demographics of Arthroscopic Repair of Meniscal Root and Complete Radial Meniscal Tears in Competitive Athletes

Early Outcomes of Anterolateral Ligament Repair in Anterior Cruciate Ligament Reconstructions.