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Dr. Nepple specializes in hip preservation surgery, including hip arthroscopy, and is the Co-Director of the Washington University Orthopaedics Hip Preservation service. Additionally, he specializes in pediatric and adolescent sports medicine, and is the Director of the Washington University and St. Louis Children’s Young Athlete Center. He has clinical interests in adolescent and young adult hip disorders, including femoroacetabular impingement (FAI), labral tears and slipped capital femoral epiphysis (SCFE) with a specific focus on minimally invasive arthroscopic techniques for the treatment of hip disorders.

Education

HIGHER EDUCATION:

B.S., Truman State University
Kirksville, MO
Mathematics Major
08/99-05/03

M.D., Washington University School of Medicine
St. Louis, MO
08/03-05/07

POSTGRADUATE MEDICAL EDUCATION:

Orthopaedic Surgery Residency
Barnes-Jewish Hospital/Washington University School of Medicine
St. Louis, MO
07/07-06/12

Sports Medicine Fellowship
The Steadman Clinic/Steadman-Philippon Research Institute
Vail, CO
08/12-07/13

Pediatric Orthopaedics Fellowship/Clinical Instructor
Washington University in St. Louis
St. Louis Children’s Hospital/Shriner’s Hospital
08/13-07/14

Mentored Training Program in Clinical Investigation
Masters of Science in Clinical Investigation
Washington University in St. Louis
01/14-06/17

Teaching Title/Responsibilities

Assistant Professor, Washington University School of Medicine – 2014 – present
Director, Young Athlete Center – 2014 – present
Co-Director, Hip Preservation Service – 2020 – present

Certifications

American Board of Orthopaedic Surgery
7/16

Medical Licensure

State of Missouri, 08/07-07/12
State of Colorado 08/12-07/13
State of Missouri 08/13-current

Honors and Awards

Kuemper High School, Carroll, IA
Valedictorian, 05/99

Truman State University
President’s Honorary Full Merit Scholarship, 08/99-06/03
Graduated Summa cum Laude, 06/03
Co-Captain Men’s Basketball Team, 08/02-06/03

Washington University School of Medicine
Southern Medical Association Student Scholarship, 08/05
Scholars in Medicine Scholarship, 08/05
Brookings and Carter Research Award, 06/07

Orthopaedic In-Training Examination
07/08, 557, 94.0% YIT
07/09, 625, 95.9% YIT
07/10, 673, 96.0% YIT
07/11, 649, 88.0% YIT

2011 AOSSM NCAA Research Award
Previous Knee Surgery a Risk Factor for Knee Articular Cartilage Lesions among College Football Athletes in the NFL Combine

2012 AAOS/ORS FAI Research Symposium Young Investigator Award
05/12 Chicago, IL

2012 Resident Research Award
Washington University Department of Orthopaedic Surgery
06/12

2012 Scientific Advisory Committee Fellow Research Award
Steadman-Philippon Research Institute
07/13

2013 AAOS/ORS/OREF Clinician Scholar Development Program
09/13
Chicago, IL

2013 Richard N. Villar Trainee Excellence in Research Award
The Effect of an Acetabular Labral Tear, Repair, Resection, and Reconstruction on the Hip Fluid Seal
International Society for Hip Arthroscopy
10/13
Munich, Germany

2013 International Society for Hip Arthroscopy Basic Research Award (co-author)
The Influence of Pelvic Tilt on Common Acetabular Parameters and Range of Motion in Patients with Femoroacetabular Impingement 10/13
Munich, Germany

2014 AAOS Surgical Technique Video Award
Medial Patellar Tendon Transfer in the Treatment of Patellar Instability in the Skeletally Immature Patient
Nepple JJ, Schoenecker PL, Luhmann SJ

2016 AAHKS Annual Meeting Poster Award
What are the Risk Factors for Disease Progression in Femoroacetabular
Impingement? A Prospective Analysis of the Contralateral Hip in FAI Patients
11/16
Dallas, TX

2018 POSNA Direct Research Grant Award
Predictors of Outcomes after Surgical Treatment of Unstable Knee Osteochondritis Dissecans Lesions
Nepple JJ Principal Investigator

2019 POSNA Clinical Scientific Paper Award
Two-Year Functional Outcomes of Operative vs. Non-Operative Treatment of Completely Displaced Clavicular Fractures in Adolescents: Results from the Prospective, Multicenter, Level 2 FACTS Study
Nepple JJ Co-Investigator

Presentations

  1. Innovations in the Treatment of Hip and Knee Disorders. Washington University Orthopaedics. St. Louis MO. 11/14. Talk: FAI: Etiology and Preservation Surgery.
  1. Vail Hip Symposium. Vail CO. 01/15. Talk: Re-establishing the Capsular Seal.
  1. Hip Arthroscopy, Preservation and Replacement Procedures. St Louis MO. 01/15. Talks: 1) Current Concepts in SCFE Treatment (skeletally immature). 2) Surgical Set-up for Hip Arthroscopy.
  1. PRISM 2nd Annual Meeting. Fort Lauderdale FL. 02/15. Talk: Clavicle Fractures Background Literature.
  1. 8th Annual St. Louis Soccer Conference. St. Louis MO. 03/15. Talk: Update on Hip Arthroscopy.
  1. AAOS Annual Meeting. 03/15. Paper Presentations: 1) Medial Patellar Tendon Transfer with Proximal Realignment for Patellar Instability in the Skeletally Immature Knee. 2) Hip Arthroscopy and Periacetabular Osteotomy Treatment of Acetabular Dysplasia and Associated Labral Tear.
  2. POSNA Annual Meeting. Atlanta GA. 04/15. Paper Presentations: 1) The False Profile Radiograph:  Is It An Accurate And Precise Method Of Assessing Anterior Coverage? 2) Three-Dimensional Ct Analysis Identifies Distinct Variations In Acetabular Morphology In The Dysplastic Hip.
  1. AAOS/AAHKS/AOSSM/POSNA Open and Arthroscopic Techniques for Adolescent and young Adult Hip Preservation/Disorders. Orthopaedic Learning Center, Rosemont IL. 07/15. Faculty.
  1. AAOS Fundamentals of Knee and Shoulder Arthroscopy for Orthopedic Residents. OLC Education & Conference Center, Rosemont IL. 09/15.

Anatomy of PCL/PLC/MCL/MPFL Reconstruction. Hands-On Labs: 1) Virtual Reality Knee Arthroscopy Simulator Practice.  2) Knee Arthroscopy - Standard Portals, Diagnostic Scope.  3) Knee Arthroscopy - Meniscus Repair.  4) Knee Arthroscopy - Harvest Patella Tendon, Harvest Hamstring Graft, ACL Recon, Open Knee Dissection.  5) Shoulder Arthroscopy - SLAP/Bankart Repair.  6) Open Rotator Cuff Repair and Shoulder Dissection.

  1. International Society for Hip Arthroscopy Annual Meeting. Cambridge, England.  09/15. Talks: 1) Femoral Version Differences in Femoroacetabular Impingement and Hip Dysplasia Occur both at Supratrochanteric and Infratrochanteric Locations.  2) The False Profile Radiograph:  Is it an accurate and precise method of assessing anterior coverage? 3) Three-dimensional CT Analysis Identifies Distinct Variations in Acetabular Morphology in the Dysplastic Hip.
  1. Arthroscopy Association of North America's Master's Experience Course. OLC Education & Conference Center, Rosemont IL. 10/15. Radiographic Evaluation of the Hip.
  1. Innovations in the Treatment of Hip and Knee Disorders. Washington University Orthopaedics. St. Louis MO. 11/15. Moderator: The Young/Athletic Hip and Knee Patient. Talks: 1) Challenging Knees – Pediatric Knee Injuries.  2) Case Presentations/Discussion.  3) Surgical Demonstration: Surgical Hip Dislocation and Review of Hip Preservation Concepts.
  1. Vail Hip Symposium. Avon CO. 01/16. Talks: 1) Radiographic Evaluation of the Hip. 2) Strategic Management for Labral Repair.
  1. Louis Hip Skills Course 2016: Hip Arthroscopy, Preservation and Replacement Procedures. St. Louis University Practical Anatomy and Surgical Education. St. Louis MO. 01/16. Talks: 1) DDH – Disease Spectrum and Surgical Treatment Options. 2) Hip Arthroscopy – Surgical Set Up and Access. 3) Psoas Tendon – Function and Indications for Release. 4) Femoral Version/Torsion – Evaluation, Clinical Significance and Treatment. Hands-on Labs: Hip Arthroscopy – Basic Techniques: Surgical Dislocation/PFO, PAO, Anterior and Posterior THA, Small Group Surgical Technique Tutorials, Surgical Technique Video Demonstrations.
  1. Pediatric Research in Sports Medicine Annual Meeting. San Diego CA. 01/16. Talk: Thinking Outside of FAI – Rare but Important Hip Arthroscopy and Illustrative Cases. Paper Presentation: Early Clinical and Radiographic Outcomes of Combined Hip Arthroscopy and Periacetabular Osteotomy.  Debate: Indications for FAI – No Adolescents Should go to Surgery without a Positive Intra-articular Injection.
  1. Bernese Hip Symposium. Bern, Switzerland. 02/16. Talks: 1) Pelvic Incidence Plays a role in Pelvic Mobility and Acetabular Version. 2) Gender Differences in 3D Pathomorphology in FAI. 3) Characterization of Pincer type FAI on 3D Imaging versus Plain Radiographs. 4) PAO for Severe Dysplasia – The St. Louis Experience at 10 Years. 5) Differences in Femoral Torsion in FAI and DDH.
  1. American Academy of Orthopaedic Surgeons Annual Meeting. Orlando FL. 03/16. Paper 249: Is 3-Dimensional Imaging Better than Plain Radiograph for Defining Pincer FAI Subtypes? Moderator for Technical Skills 311: Advanced Surgical Techniques in Femoroacetabular Impingement – An In-Depth Approach. POSNA Specialty Day Presentation for Best Practices in Sports Medicine: 14 Year Old Boy with a Talar OCD – Is Cutting Really a Change to Cure – Indications and Strategies for Operative Treatment. 
  1. Orthopaedic Research Society Annual Meeting. Orlando FL. 03/16.

Paper 213: 3-Dimensional CT Analysis Identifies Distinct Variations in Acetabular Morphology in the Dysplastic Hip. Poster: 3-Dimensional CT Analysis Identifies Distinct Variations in Acetabular Morphology in the Dysplastic Hip. 

  1. Pediatric Orthopaedic Society of North America Annual Meeting. Indianapolis IN. 04/16. Paper 34: Does Previous Hip Arthroscopy Impact the Clinical Outcomes of PAO Surgery? ANCHOR Cohort Study.
  1. American Orthopaedic Society of Sports Medicine Annual Meeting. Colorado Springs CO. 07/16. Paper 124: The Fate of the Contralateral Hip in Femoroacetabular Impingement – Rates and Predictors of Short-term Symptom Development.
  1. Fellows Course: The Wider Scope of Arthroscopy. Andover MA. 09/16. Talk: Hip Scope Dysplasia. Wet Lab: Hip/Knee.
  1. International Society for Hip Arthroscopy Annual Meeting. San Francisco CA. 09/16. Talk: Does Previous Hip Arthroscopy Impact the Clinical Outcomes of PAO Surgery? An ANCHOR Cohort Study. ICL #7: Publishing Your Hip Research – JHPS, Arthroscopy, AJSM, Hip.
  1. Hip Preservation and Continuum Conference. Chicago IL. 09/16. Talks: 1) Radiographic Evaluation of the Hip. 2) Hip Biomechanics. Bioskills Labs: 1) Access, Capsulotomy, Pincer, Labral Repair. 2) Cam and Capsular Repair.
  1. American Academy of Orthopaedic Surgeons Knee and Shoulder Arthroscopy. Rosemont IL. 10/16. Talk: 1) Anatomy of PCL/PLC/MCL/MPFL Reconstruction. Skills Labs: 1) Knot Tying Models. 2) Knee Arthroscopy – Standard Portals, Diagnostic Scope. 3) Knee Arthroscopy – Meniscus Repair. 4) Harvest Patella Tendon, Harvest Hamstring Graft, ACL Reconstruction, Open Surgical Dissection. 5) Shoulder Arthroscopy – SLAP/Bankart Repair. 6) Rotator Cuff Repair, Open Surgical Dissection.
  1. Arthroscopy Association of North America 513: Basic Principles of Hip Arthroscopy: Road from Injury to Rehab. Rosemont IL. 10/16. Labs: 1) PAM Hip Model, Model Positioning, Portal Establishment, Shifting Portals Technique, Arthroscopic Hip Anatomy, Intro of Instruments into the Hip Joint, Safety & Behavior, Protecting the Environment. 2) Intraoperative Applications of Fluoroscopy, Establish Portals, Arthroscopic Exam of the Hip, Selected Techniques. 3) Cadaver Lab. 4) Gross Anatomy, Anatomic Dissection.
  1. Arthroscopy Association of North America Fall Course Hip Symposium. Las Vegas NV. 11/16. Talk: PAO/DFO – The Labrum and Capsule are NOT the Problem.
  1. Innovations in the Treatment of Hip and Knee Disorders. St. Louis MO. 11/16. Moderator: Hip Preservation Current Concepts. Talk: FAI – The Spectrum of Disease and Treatments.
  1. Pediatric Research in Sports Medicine Annual Meeting. Dallas TX. 01/17. Talks: 1) Research Efficiency. 2) Hip Disorders. 3) Meniscus. Moderator: Research Interest Group (RIG) Updates.
  1. Louis Hip Skills Course: Hip Arthroscopy and Preservation Procedures. St. Louis MO. 02/17. Course Co-Director. Talk: Plain Radiographic Evaluation. Hands-On Cadaver Labs: 1) Hip Arthroscopy. 2) PAO/Surgical Dislocations.
  1. American Academy of Orthopaedic Surgeons Annual Meeting. San Diego CA. 03/17. Co-author - Paper 431: What are the Risk Factors for Disease Progression in Femoroacetabular Impingement (FAI)? A Prospective Analysis of the Contralateral Hip in FAI Patients. Moderator ICL 468: Advanced Surgical Techniques I Femoroacetabular Impingement, An In-depth Approach. Posters: 1) P038 Does Pelvic Rotation Affect Measurement of the Anterior Center Edge Angle on the False Profile Radiograph. 2) P491 What are the Risk Factors for Disease Progression in Femoroacetabular Impingement (FAI)? A Prospective Analysis of the Contralateral Hip in FAI Patients.
  1. 10th Annual Sports Medicine Update. St. Louis MO. 03/17. Talks: 1) Soccer. 2) Clavicle Fractures: To Fix or Not to Fix.
  1. Current Concepts in Hip Arthroscopy. Edina MN. 03/17. Cadaver Lab.
  1. European Pediatric Orthopaedic Society and Pediatric Orthopaedic Society of North America Combined Meeting. Barcelona Spain. 05/17. Co-author - Paper 34: Descriptive Epidemiology of Adolescent Clavicle Fractures: Early Results from the FACTS (Function after Adolescent Clavicle Trauma & Surgery) Prospective, Multi-Center Cohort Study. Poster: An Analysis of Femoral Version in Patients undergoing Periacetabular Osteotomy. E-Posters: 1) Borderline Hip Dysplasia Preoperative Clinical Characteristics Differentiating Hip Instability and Femoroacetabular Impingement. 2) Pediatric and Adolescent Clavicle Nonunions: Potential Risk Factors and Surgical Management. 3) Outcomes of Medial Patellar Tendon Transfer with Proximal Realignment in young Skeletally Immature Children with Patellar Instability.
  1. Arthroscopy Association of North America Annual Meeting. Denver CO. 05/17. Talks: 1) Acetabular Dysplasia. 2) Biomechanics of Acetabular Labral Function, Injury and Repair.
  1. American Orthopaedic Society for Sports Medicine Annual Meeting. Toronto Ontario Canada. 07/17. Co-author – Paper 123: Hip Arthroscopy failure in the Setting of Acetabular Dysplasia: A Concerning Trend? Co-author – Paper 153: Long-term Osseous Remodeling after Femoral Head-neck Junction Osteochondroplasty. Talk: Managing the Unstable Patella in the Adolescent Athlete.
  1. The Wider Scope of Arthroscopy: Smith & Nephew Fellowship Program. Boston MA. 08/17. Talks: 1) Hip Scope Dysplasia. 2) Pediatric Hip.
  1. Arthroscopy Association of North America Fall Course. Palm Desert CA. 11/17. Mini-Fellowship: Hip. Talks: 1) Dysplasia – How Much is Too Much? 2) Correcting the Cam Deformity: Limit Your Radiation Exposure - Use a Dynamic Exam.
  1. Vail Hip Symposium. Avon CO. 01/18. Talks: 1) Evolution of FAI. 2) Patterns of Acetabula Dysplasia.
  1. Louis Hip Skills. St. Louis MO. 01/18. Course Co-Director. Talks: 1) Plain Radiographic Evaluation. 2) Hip Arthroscopy: Access and Central Compartment. Labs: 1) Hip Arthroscopy Lab. 4) Open Procedures Lab: PAO/Surgical Dislocations.

 

  1. Pediatric Research in Sports Medicine Annual Meeting. Fort Lauderdale FL. 01/18. Papers: 1) Outcome Metrics in Pediatric Sports Medicine: Do Promis Computer Adaptive Testing Metrics Correlate with Pediatric IKDC Scores? 2) Outcomes of Medial Patellar Tendon Transfer with Proximal Realignment in Young Skeletally Immature Children with Patellar Instability. 3) Proximal Humeral Physeal Closure Patterns Correlate with Skeletal Age. Poster: What is the Association of Femoroacetabular Impingement and Hip Osteoarthritis? A Systematic Review of Longitudinal Studies. E Posters: 1) Clinical Presentation of Patients with Labral Tear and Increased Femoral Anteversion. 2) Can the Periacetabular Osteotomy Normalize Acetabular Coverage in the Dysplastic Hip: Evaluation via Postoperative Low-Dose Ct. 3) Utility of Merchant View Radiographs for Assessment of TT-TG: A Comparison to MRI. 4)  Characterization of the Optimal Reduction Maneuver during Simulated Periacetabular Osteotomy. 5) The Role of Abnormal Tibiofemoral Rotation in Pediatric and Adolescent Patellar Instability. 
  1. American Academy of Orthopaedic Surgeons Annual Meeting. New Orleans LA. 03/18. Talk: Pediatric and Adolescent Consideration in Primary ACL/in ICL # 151: ACL Reconstruction: Getting it Right the First Time. ICL # 274 Moderator: Technical Skills: Advanced Surgical Techniques: In Femoroacetabular Impingement: An In-depth Approach. ICL # 484 Co-Moderator: Case Presentation: Adolescent Hip Pain: A Case-based Approach to Common Problems. Papers: 1) # 895: Predictive Role of Symptom Duration on Adolescent Capitellar Osteochondritis Dissecans Prognosis. 2) # 778: Variability in Anterior Inferior Iliac Spine Morphology in Acetabular Dysplasia: A Source of Post-osteotomy Impingement? 3) # 783: Does Femoral Version Affect Patient-reported Outcomes of the Periacetabular Osteotomy for the Treatment of Symptomatic Hip Dysplasia? 4) # 786: Relative Femoral Neck Lengthening for the Treatment of Complex Proximal Femoral Deformities: Deformity Correction, Complications, Clinical Outcomes, and Osteoarthritis Progression. 5) # 789: Mid to Long-term Osseous Remodeling after Femoral Head-Neck Junction Osteoplasty. 6) # 899: Are There Disease-specific Articular Cartilage Wear Patterns in Various Pre-arthritic Hip Disorders?
  1. Orthopaedic Research Society Annual Meeting. New Orleans LA. 03/18 in Various Pre-arthritic Hip Disorders?
  1. 11th Annual Sports Medicine Conference. St. Louis MO. 03/18. Talk: Hip Pain in the Adolescent.
  1. Pediatric Orthopaedic Society of North America. Austin, TX. 05/18. Talk: Moderate to Severe Stable SCFE: SCFE Panel: In Situ Screw Fixation +/- Osteochondroplasty.
  1. Pediatric Orthopaedic Society of North America. Austin, TX. 05/18. Talks: 1) Outcomes of Medial Patellar Tendon Transfer with Proximal Realignment in Young Skeletally Immature Children with Patellar Instability. 2) The Role of Abnormal Tibiofemoral Rotation in Pediatric and Adolescent Patellar Instability.
  1. American Orthopaedic Society for Sports Medicine. San Diego, CA. 07/18. Talks: 1) The Role of Abnormal Tibiofemoral Rotation in Pediatric and Adolescent Patellar Instability [Concurrent Session C – Patellofemoral. 2) Borderline Dysplastic Hip: Arthroscopy or PAO?
  1. Ohio State Hip Symposium. Columbus, OH. 11/18. Talk: Hip Pain in the Adolescent Athlete.
  1. Vail Hip Symposium. Vail, CO. 01/19. Talks: 1) Adolescent FAI. 2) Patterns of Acetabular Dysplasia. Lab: Live Demo Hip Anatomy Dissection.
  1. Pediatric Research in Sports Medicine. Atlanta, GA. 01/19. Talk: FAI Surgery in the Adolescent Population: Mild Deformities and Lack of Sports Participation are Associated with an Increased Risk of Treatment Failure.
  1. American Academy of Orthopaedic Surgery. Las Vegas, NV. 03/19 ICL # 130 Moderator: Advanced Surgical Techniques in Femoroacetabular Impingement: An In-Depth Approach. ICL # 149 Moderator: Evaluation and Surgical Treatment of Knee Osteochondritis Dissecans and Adolescent Cartilage Injuries. ICL # 383 Moderator: Adolescent Hip Pain: A Case-Based Approach to Common Causes. Papers: 1) # 392: Best Practice Guidelines for Hip Arthroscopy in Femoroacetabular Impingement: Results of a Delphi Process. 2) # 397: Lateral Center Edge Angle is Not Predictive of Acetabular Articular Cartilage Surface Area: Anatomic Variation of the Lunate Fossa. 3) # 519: PROMIS versus Legacy Patient Reported Outcomes in Patients Undergoing Surgical Treatment for Developmental Dysplasia of the Hip. 4) # 522: The Fate of the Contralateral Hip in Patients Undergoing a Periacetabular Osteotomy: Are there Risk Factors for Disease Progression? Posters: 1) # P0041: Elevated Biomarker Levels of Cartilage Breakdown and Inflammation are Present in Patients with Stable Slipped Capital Femoral Epiphysis. 2) # P0043: Surgical Treatment of Femoroacetabular Impingement: Arthroscopy vs. Surgical Hip Dislocation – A Propensity Matched Analysis. 3) # P0056: Borderline Acetabular Dysplasia: Independent Predictors of Hip Instability Versus Impingement. 4) # P0912: Do Patient Reported Outcome Measurement Information System Depression and Anxiety Domains Correlate to Legacy Scores in Symptomatic Patients with Femoroacetabular Impingement? 5) # P0913: Predictors of Failure after Surgical Treatment of Femoroacetabular Impingement: Results of a Multicenter Prospective Cohort of 621 Hips.
  1. 12th Annual Sports Medicine Conference. St. Louis, MO. 03/19. Talk: Pediatric ACL Tears
  1. ACL Course – Young Athlete Center. St. Louis, MO. 04/19. Talk: Post-Operative Rehabilitation and Return to Sport: Pediatric and Adult.
  1. Meeting Mid-America Orthopaedic Association. Miramar Beach, FL. 04/19. Talk: IC III – The Young Adult – What is the Issue?
  1. Young Adult Hip Group. St. Louis, MO. 04/19. Talk: Borderline Acetabular Dysplasia.
  1. American Academy of Orthopaedic Surgeons. Webinar 04/18/19. JAAOS Plus: Athletic Hip Injuries
  1. Pediatric Orthopaedic Society of North America. Charlotte, NC. 05/19. Talk: 1) Two-Year Functional Outcomes of Operative vs. Non-Operative Treatment of Completely Displaced Clavicle Fractures in Adolescents: Results from the Prospective, Multicenter, Level 2 'Facts' Study. 2) Predictors of Failure after Surgical Treatment of Femoroacetabular Impingement: Results of a Multicenter Prospective Cohort of 621 Hips.
  1. American Orthopaedic Society for Sports Medicine. Boston, MA. 07/19. Paper: 1) Best Practice Guidelines for Hip Arthroscopy in Femoroacetabular Impingement: Results of a Delphi Process. 2) Predictors of Failure after Surgical Treatment of Femoroacetabular Impingement: Results of a Multicenter Prospective Cohort of 621 Hips. Poster: 1) Normative PROMIS Scores in Healthy Collegiate Athletes: Establishing a Target for Return-to-Normal Function. 2) Two Year Functional Outcomes of Operative Versus Non-Operative Treatment of Completely Displaced Midshaft Clavicle Fractures in Adolescents: Results From a Prospective, Multicenter, Level 2 Study.
  1. Southern Orthopaedic Association. Amelia Island, FL. 07/19. Talk: Hip Instability - Acetabular, Femoral and Soft Tissue Pathology and Treatment. Moderator: 1) Rapid Fire Session 2F: Hip Preservation. 2) Symposium 5: Hip Preservation.
  1. 2019 The Wider Scope of Arthroscopy – Fellows Meeting. Rosemont, IL. 08/19. Talk: CAM Impingement: Tips & Pearls – DYONICS. Live Demo: Hip Anatomy Dissection.
  1. AAOS Surgical Treatment of the Pre-Arthritic Hip. Rosemont, IL. 09/19. Talk: Acetabular Morphology: Defining the Spectrum of Coverage and Orientation. Lab Instructor Hands on Surgical Skills Lab: Track 1: Arthroscopic.
  1. ISHA 2019 Annual Meeting. Madrid, Spain. 10/19. Talks: 1) 2019 Update of FAI. 2) Borderline Acetabular Dysplasia: Evaluating Preoperative Low-Dose Computed Tomography Characteristics as a Predictor of Symptomatic Instability. 3) Outcomes of Open Capsular Plication of the Hip at a Mean of Six Years Postoperatively: Do Results Deteriorate with Time? 4) Where is the evidence now on when to repair or debride? 5) FAI Surgery in the Adolescent Patient Population Mild Deformities and Lack of Sports Participation are Associated with an Increased Risk of Treatment Failure. Debate: (For) Should we intervene early for the hip at risk?
  1. New Orleans, LA. 10/19. Presenter for the SoOR: Top 10 Articles on Sports Medicine and Fitness of the Year in Pediatric Sports Medicine.
  1. Louis Hip and Knee Innovations Course. St. Louis, MO. 11/19. Moderator: Hip Preservation Current Concepts. Case Presentation. FAI: The Spectrum of Disease and Treatments. Discussion/Questions & Answers.
  1. 7th Annual PRiSM Meeting. Glendale, AZ. 1/20. Poster: Assessment of Acetabular Coverage in Borderline Acetabular Dysplasia: Are Plain Radiographic Parameters Accurately Estimates of Three-Dimensional Coverage?

Research Support

St. Louis Children’s Hospital Foundation – Young Athlete Center Injury Prevention Program (Ref. AFR-2016-115). 04/16 – 12/16. Research Focus: Injury prevention in young athletes. Role: Principal Investigator 

Shriners Hospitals for Children Grant – Development of a Murine Model of Knee Osteochondritis Dissecans (Project # 85800).  01/16 – 12/16.

01/17 – 12//17. Research Focus:  Knee Osteochondritis Dissecans in Children. Role:  Principal Investigator

2017 POSNA Directed Research Grant - 06/17-05/21.

Research Focus:  Predictors of Outcomes after Surgical Treatment of Unstable Knee Osteochondritis Dissecans Lesions. Role:  Principal Investigator

ICTS Just In Time Grant– The Utility of Molecular Biomarkers in Young Adult Hip Disorders 10/14-10/15. Research Focus: Joint preservation in hip surgery. Role: Principle Investigator

Zimmer - Comprehensive Analysis of Total Hip Arthroplasty for the Young, Active Patient Population. Research Focus: ANCHOR hip preservation surgery and molecular biomarkers

06/16 – 05/20. Role:  Co-Investigator (Clohisy PI)

Department Of Defense grant 2019 – 2024

Co-Investigator: Identification of Predictors for Clinical Outcomes in Femoroacetabular Impingement Surgery

Stryker 12/1/19 – 12/1/22

Co-Principle Investigator. Identification of Predictors of Diagnosis and Outcome in FAI and Borderline Acetabular Dysplasia:  A multicenter prospective cohort

ICTS Just In Time Grant– – Project Title: Opioid Use Following Common Knee Surgeries In the Pediatric, adolescent, and Young Adult Populations 10/2019- 10/3/2020.

Publications

Peer-reviewed Publications (Key Publications in Bold)

  1. Olsen MA, Nepple JJ, Riew KD, Lenke LG, Bridwell KH, Mayfield J, Fraser VJ.  Risk factors for surgical site infection following orthopaedic spinal operations. J Bone Joint Surg Am. 2008. 90(1):62-69.
  1. Nepple JJ, Lenke LG. Severe idiopathic scoliosis with respiratory insufficiency treated with preoperative traction and staged anteroposterior spinal fusion with a 2-Level apical vertebrectomy.Spine J. 2009: 9(7):9-13.
  1. Nepple JJ, Matava MJ. Soft-tissue injections in the athlete. Sports Health 2009. 1(5):396-404.
  1. Nepple JJ, Zebala LP, Clohisy JC. Labral disease associated with femoroacetabular impingement: do we need to correct the structural deformity? J Arthoplasty. 2009. 24(6 Suppl):114-9.
  1. Clohisy JC, Zebala LP, Nepple JJ, Pashos G. Combined hip arthroscopy and limited open osteochondroplasty for the treatment of anterior femoroacetabular impingement. J Bone Joint Surg 2010. 92(8):1697-1705.
  1. Nepple JJ, Carlisle JC, Nunley RM, Clohisy JC. Clinical and radiographic predictors of intra-articular hip disease in arthroscopy. Am J Sports Med. 2011. 39(2):296-303.
  1. Ross JR, Zaltz I, Nepple JJ, Schoenecker PL, Clohisy JC. Arthroscopic Disease Classification and Interventions as an Adjunct in the Treatment of Acetabular Dysplasia. Am J Sports Med. 2011. 39S:72-8.
  1. Nepple JJ, Schoenecker PL, Clohisy JC. Treatment of Post-traumatic Labral Interposition with Surgical Hip Dislocation and Labral Repair. Iowa Orthop J . 2011. 31:187-92.
  1. Nepple JJ, Wright RW, Matava MJ, Brophy RH. Full-thickness Knee Articular Cartilage Defects in National Football League Combine Athletes Undergoing MRI: Prevalence, Location, and Association with Previous Surgery. Arthroscopy. 2012. 28(6):798-806.
  1. Nepple JJ, Brophy RH, Matava MJ, Wright RW, Clohisy JC. Radiographic Findings of Femoroacetabular Impingement in National Football League Combine Athletes Undergoing Radiographs for Previous Hip or Groin Pain. Arthroscopy. 2012. 28(10):1396-403.
  1. Ross JR, Nepple JJ, Schoenecker PL, Clohisy JC, Intraarticular Abnormalities in Residual Perthes and Perthes-like Hip Deformities. Clin Orthop Rel Research. 2012. 470(11):2968-77.
  1. Clohisy JC, Ross JR, North JD, Nepple JJ, Schoenecker PL. What are the Factors Associated with Acetabular Correction in Perthes-like Hip Deformities? Clin Orthop Related Res. 2012. 470(12):3439-45.
  1. Nepple JJ, Larson CM, Smith MV, Kim YJ, Zaltz I, Sierra RJ, Clohisy JC. The Reliability of Arthroscopic Classification of Acetabular Rim Labrochondral Disease. Am J Sports Med. 2012. 40(10):2224-9.
  1. Lehmann CL, Nepple JJ Schoenecker PL,Baca G, Clohisy JC. Do Fluoroscopy and Postoperative Radiographs Correlate for PAO Corrections? Clin Orthop Related Res. 2012. 470(12):3508-14.
  1. Nepple JJ, Dunn RG, Wright RW. Meniscus Repair Outcomes at Greater than Five Years: a systematic literature review and meta-analysis. J Bone Joint Surg. 2012. 19:94(24):2222-7.
  1. Nepple JJ, Lehmann CL, Ross JR, Schoenecker PL, Clohisy JC. Coxa Profunda Is Not a Useful Radiographic Feature of Pincer-type Femoroacetabular Impingement? J Bone Joint Surg. 2013.95(5):417-23.
  1. Nepple JJ, Martel JM, Kim YJ, Zaltz I, Clohisy JC, ANCHOR Study Group. Do Plain Radiographs Correlate with CT for Imaging of Cam-type Femoroacetabular Impingement?  Clin Orthop Rel Research. 2012. 470(12):3313-20.
  1. Nepple JJ, Putnam RM, Gardner MJ, Bartlett CS, Johnson JE. Calcaneal Fracture-Dislocation with Fracture of the Sustentaculum and Lateral Column: A Unique Injury Pattern. Foot Ankle Int. 2013. 34(2):290-4.
  1. Nepple JJ, Clohisy JC, Larson CM. Arthroscopic Classification of Acetabular Rim Labrochondral Disease: Response. Am J Sports Med. 2013. 41(3):NP11.
  1. Nepple JJ, Prather H, Trousdale RT, Clohisy JC, Beaule PE, Glynn-Jones S, Rakhra K, Kim YJ. Clinical Diagnosis of Femoroacetabular Impingement. J Am Acad Orthop Surg. 2013 July. S16-19.
  1. Nepple JJ, Prather H, Trousdale RT, Clohisy JC, Beaule PE, Glyn-Jones S, Rakhra K, Kim YJ. Diagnostic Imaging of Femoroacetabular Impingement.  J Am Acad Orthop Surg. 2013. 21(S1):S20-26.
  1. Nepple JJ, Byrd JW, Siebenrock KA, Prather H, Clohisy JC. Overview of Treatment Options, Clinical Results, and Controversies in Management of FAI. J Am Acad Orthop Surg. 2013 July. S53-58.
  1. Clohisy JC, Nepple JJ, Larson CM, Zaltz I, Millis M, ANCHOR study group. Persistent Structural Disease is the Most Common Cause of Repeat Hip Preservation Surgery. Clin Orthop Relat Res. 2013 Aug. 471(12):3788-94.
  1. Nepple JJ, Schoenecker PL, Clohisy JC. Iatrogenic Hip Subluxation after Surgical Dislocation Successfully Treated with Periacetabular Osteotomy:  A Case Report.  J Bone Joint Surg Case Connect. 2013 Jan 09. 3(1):e1.
  1. Devitt BM, Huleatt JB, Nepple JJ, Laprade RF. A Novel Posterior Arthrotomy Approach for the Treatment of a Large Osteochondral Defect of the Posterior Lateral Femoral Condyle of the Knee:  a case report and technical note. J Bone Joint Surgery Case Connect. 2013 Oct 09. 3(4):e113. 
  2. Philippon MJ, Nepple JJ, Campbell KJ, Dornan GJ, Jansson JS, Laprade RF, Wijdicks CA. The Hip Fluid Seal – Part I:  the effect of an acetabular labral tear, repair, resection, and reconstruction on hip fluid pressurization. Knee Surg Sports Traumatol Arthrosc. 2014. 22(4):722-9.
  1. Nepple JJ, Philippon MJ, Campbell KJ, Dornan GJ, Jansson KS, Laprade RF, Wijdicks CA. The Hip Fluid Seal – Part II:  the effect of an acetabular labral tear, repair, resection, and reconstruction on hip stability to distraction.  Knee Surg Sports Traumatol Arthrosc. 2014. 22(4):730-6.
  1. Philippon MJ, Ferro FP, Nepple JJ. Hip Capsulolabral Spacer Placement for the Treatment of Severe Capsulolabral Adhesions after Hip Arthroscopy.  Arthrosc Tech.  3(2):e289-92.
  1. Ross JR, Nepple JJ, Philippon MJ, Kelly BT, Larson CM. Effect of Changes in Pelvic Tilt on Range of Motion to Impingement and Radiographic Parameters of Acetabular Morphologic Characteristics. Am J Sports Med. 2014. 42(10):2402-9.
  1. Nepple JJ, Martell JM, Kim YJ, Zaltz I, Millis MB, Podeszwa DA, Sucato DJ, Sink EL, Clohisy JC, ANCHOR Study Group. Interobserver and Intraobserver Reliability of the Radiographic Analysis of Femoroacetabular Impingement and Dysplasia using Computer-assisted Measurements.  Am J Sports Med.   42(10):2393-401.
  1. Nepple JJ, Riggs CN, Ross JR, Clohisy JC. Clinical Presentation and Disease Characteristics of Femoroacetabular Impingement are Sex-Dependent.  J Bone J Surg Am. 2014. 96(20):1683-9.
  1. Ross JR, Tannenbaum EP, Nepple JJ, Kelly BT, Larson CM, Bedi A. Functional Acetabular Orientation Varies Between Supine and Standing Radiographs: Implications for Treatment of Femoroacetabular Impingement. Clin Orthop Relat Res. 2015. 473(4):1267-73.
  1. Clohisy JC, Nepple JJ, Ross JR, Pashos G, Schoenecker PL. Does Surgical Hip Dislocation and Periacetabular Osteotomy Improve Pain in Patients With Perthes-like Deformities and Acetabular Dysplasia? Clin Orthop Relat Res 2015;473(4):1370-7.
  1. Nepple JJ, Vigdorchik JM, Clohisy JC. What Is the Association Between Sports Participation and the Development of Proximal Femoral Cam Deformity? A Systematic Review and Meta-analysis. Am J Sports Med 2015;43(11):2833-40.
  1. Nepple JJ, Thomason KM, An TW, Harris-Hayes M, Clohisy JC. What is the utility of Biomarkers for assessing the Pathophysiology of Hip Osteoarthritis? A Systematic Review. Clin Orthop Relat Res 2015; 473(5):1683-701.
  1. Nepple JJ, Goijan P, Briggs KK, Garvey SE, Ryan M, Philippon MJ. Hip Strength Deficits in Patients with Symptomatic Femoroacetabular Impingement and Labral Tears. Arthroscopy 2015;31(11):2106-11.
  1. Nepple JJ, Smith MV. Biomechanics of the Hip Capsule and Capsule Management Strategies in Hip Arthroscopy. Sports Med Arthrosc 2015;23(4):167-8.
  1. Nepple JJ, Clohisy JC. The Dysplastic and Unstable Hip: A Responsible Balance of Arthroscopic and Open Approaches. Sports Med Arthrosc 2015; 4:180-86.
  1. Rothermich MA, Nepple JJ, Raup VT, O’Donnell JC, Luhmann SJ. A Comparative Analysis of International Knee Documentation Committee Scores of Common Pediatric and Adolescent Knee Injuries. J Pediatr Orthop 2016;36(3):274-7.
  1. Nepple JJ, Milewski MD, Shea KG. Research in Osteochondritis Dissecans of the Knee: 2016 Update. J Knee Surg 2016;29(7):533-8.
  1. Nepple JJ, Milewski MD, Shea KG. Erratum: Research in Osteochondritis Dissecans of the Knee: 2016 Update. J Knee Surg 2016;29(8):696.
  1. Vigdorchik JM, Nepple JJ. What is the Association of Elite Sporting Activities with the Development of the Hip Osteoarthritis? Am J Sport Med 2017;45(4):961-4.
  1. Wells J, Nepple JJ, Crook K, Ross JR, Bedi A, Schoenecker P, Clohisy JC. Femoral Morphology in the Dysplastic Hip: Three-dimensional Characterizations with CT. Clin Orthop Relat Res 2017;475(4):1045-54..
  1. Nepple JJ, Clohisy JC, ANCHOR Study Group. Evolution of Femoroacetabular Impingement Treatment: The ANCHOR Experience. Am J Orthop 2017;46(1):28-34.
  1. Nepple JJ, Wells J, Ross JR, Bedi A, Schoenecker PL, Clohisy JC. Three Patterns of Acetabular Deficiency are Common in Young Adult Patients with Acetabular Dysplasia. Clin Orthop Relat Res 2017;475(4):1037-44.
  1. Novais EN, Duncan S, Nepple J, Pashos G, Schoenecker PL, Clohisy JC. Do Radiographic Parameters of Dysplasia Improve to Normal Ranges After Bernese Periacetabular Osteotomy? Clin Orthop Relat Res. 2017;475(4):1120-1127.
  1. Wall EJ, Milewski MD, Carey JL, Shea KG, Ganley TJ, Polousky JD, Grimm NL, Eismann EA, Jacobs JC Jr, Murnaghan L, Nissen CW, Myer GD; Research in Osteochondritis of the Knee (ROCK) Group, Weiss J, Edmonds EW, Anderson AF, Lyon RM, Heyworth BE, Fabricant PD, Zbojniewicz A. The Reliability of Assessing Radiographic Healing of Osteochondritis Dissecans of the Knee. Am J Sports Med. 2017; 45(6):1370-1375.
  1. Smith MV, Nepple JJ, Wright RW, Matava MJ, Brophy RH. Knee Osteoarthritis is Associated with Previous Meniscus and Anterior Cruciate Ligament Surgery Among Elite College American Football Athletes. Sports Health. 2017; 9(3):247-251.
  1. Li Y, Donohue KS, Robbins CB, Pennock AT, Ellis HB Jr, Nepple JJ, Pandya N, Spence DD, Willimon SC, Heyworth BE; Function after Adolescent Clavicle Trauma and Surgery (FACTS) Multicenter Study Group. Reliability of Radiographic Assessments of Adolescent Midshaft Clavicle Fractures by the FACTS Multicenter Study Group. J Orthop Trauma. 2017; 31(9):479-484.
  1. Pennock AT, Edmonds EW, Bae DS, Kocher MS, Li Y, Farley FA, Ellis HB, Wilson PL, Nepple JJ, Gordon JE, Willimon SC, Busch MT, Spence DD, Kelly DM, Pandya NK, Sabatini CS, Shea KG, Heyworth BE. Adolescent Clavicle Nonunions: Potential Risk Factors and Surgical Management. J Shoulder Elbow Surg. 2018; 27(1):29-35.
  1. Hellman MD, Nepple JJ, Pascual-Garrido C, Sierra RJ, Clohisy JC; ANCHOR Study Group. Acetabular Focal Chondral Lesions Are Not Associated With Worse Outcomes After Periacetabular Osteotomy: A Matched Group Analyses. J Arthroplasty. 2018 Jul; 33(7S): S61-S65.
  1. Grammatopoulos G, Beaule PE, Pascual-Garrido C, Nepple JJ; ANCHOR Group, Clohisy JC. Does Severity of Acetabular Dysplasia Influence Clinical Outcomes After Periacetabular Osteotomy?-A Case-Control Study. J Arthroplasty. 2018 Jul; 33 (7S): S66-S70.
  1. Lamplot JD, Schoenecker PL, Pascual-Garrido C, Nepple JJ, Clohisy JC. Open Reduction and Internal Fixation for the Treatment of Symptomatic Osteochondritis Dissecans of the Femoral Head in Patients with Sequelae of Legg-Calve-Perthes Disease. J Pediatr Orthop. 2020 Mar. 40(3):120-128.
  1. Sankar WN, Novais E, Koueiter D, Refakis C, Sink E, millis MD, Kim YJ, Clohisy J, Wells J, Nepple J, Zaltz I. Analysis of Femoral Version in Patients Undergoing Periacetabular Osteotomy for Symptomatic Acetabular Dysplasia. J Am Acad Orthop Surg. 2018 Aug 1; 26(15):545-551.
  1. Faucett SC, Nepple JJ, Andrade T, Aoki S, Bedi A, Bharam S, Brick MJ, Byrd JWT, CAkic JN, cascio BM, Christoforetti J, Clohisy JC, Domb B, Dumont G, Ellman MB, Harris JD, Kelly BT, Krych AJ, LaPrade RF, Larson C, Laskowski JR, Levy BA, Lynch TS, Martin HD, Mather C 3rd, Miyamoto RG, Nho SJ, O’Donnell JM, Philippon MJ, Price MR, Ranawat AS, Rodriguez MC, Safran MR, Said HG, Salata MJ, Sampson T, Stubbs AJ, Uchida S, Villar RN, Willimon SC, Wolf A, Wong I, Wuerz TH, Yen YM. Randomized Controlled Trial of Hip Arthroscopy Surgery vs Physical Therapy: Letter to the Editor. Am J Sports Med. 2018 Jul; 46(8): NP35-NP38.
  1. Louer CR, Pashos G, Clohisy JC, Nepple JJ. A Prospective Analysis of the Contralateral Hip Among Patients with Femoroacetabular Impingement: What are the Risk Factors for Disease Progression? Am J Sports Med. 2018; 46(10):2486-2491.
  1. Haynes JA, Pascual-Garrido C, An Tw, Nepple JJ, ANCHOR Group, Clohisy JC. Trends of hip arthroscopy in the setting of acetabular dysplasia. J Hip Preserv Surg. 2018 Sep 7; 5(3):267-273.
  1. Novais EN, Coobs BR, Nepple JJ, Clohisy JC; ANCHOR Study Group. Previous failed hip arthroscopy negatively impacts early patient-reported outcomes of the periacetabular osteotomy: an ANCHOR Matches Cohort Study. J Hip Preserv Surg. 2018 Oct 16; 5(4):370-377.
  1. Su AW, Hillen TJ, Eutsler EP, Bedi A, Ross JR, Larson CM, Clohisy JC, Nepple JJ. Low-Dose Computed Tomography Reduces Radiation Exposure by 90% Compared With Traditional Computed Tomography Among Patients Undergoing Hip-Preservation Surgery. Arthroscopy. 2019 May.
  1. Haynes JA, Xiong A, Nepple JJ, An T, Nunley RM, Clohisy JC. Does Previous Hip Arthroscopy Affect the Clinical Outcomes of Total Hip Arthroplasty? Orthop J Sports Med. 2019 Mar 11.
  1. Putnam SM, Clohisy JC, Nepple JJ. Do Changes in Pelvic Rotation and Tilt Affect Measurement of the Anterior Center Edge Angle on False Profile Radiographs? A Cadaveric Study. Clin Orthop Relat Res. 2019 May; 477(5):1066-1072.
  1. Cheng C, Milewski MD, Nepple JJ, Reuman HS, Nissen CW. Predictive Role of Symptom Duration Before the Initial Clinical Presentation of Adolescents With Capitellar Osteochondritis Dissecans on Preoperative and Postoperative Measures: A Systematic Review. Orthop J Sports Med. 2019 Feb 13.
  1. Sabbag CM, Nepple JJ, Pascual-Garrido C, Lalchandani CR, Clohisy JC, Sierra RJ. The Addition of Hip Arthroscopy to Periacetabular Osteotomy Does Not Increase Complication Rates: A Prospective Case Series. Am J Sports Med. 2019: 47(3):543-551.
  1. Gaffney BMM, Hillen TJ, Nepple JJ, Clohisy JC, Harris MD. Statistical shape modeling of femur shape variability in female patients with hip dysplasia. J Orthop Res. 2019 March.
  1. Prather H, Decker G, Bonnette M, Simpson S, Hunt D, Sahrmann S, Cheng A, Nepple J. Hip Radiographic Findings in Patients Aged 40 Years and Under with Posterior Pelvic Pain.  PM R. 2019 Aug;11 Suppl 1:S46-S53. doi: 10.1002/pmrj.12180. Epub 2019 Jul 25. Review.
  1. Schafer KA, Minaie A, Nepple JJ. Outcome Metrics in Pediatric Sports Medicine: Do PROMIS Computer-Adaptive Testing Metrics Correlate With Pedi-IKDC?  J Pediatr Orthop. 2020 Jan 27.
  1. Schmitz MR, Murtha AS, Clohisy JC; ANCHOR Study Group. Developmental Dysplasia of the Hip in Adolescents and Young Adults.  J Am Acad Orthop Surg. 2020 Feb 1;28(3):91-101.
  1. Okoroafor UC, Pascual-Garrido C, Schwabe MT, Nepple JJ, Schoenecker PL, Clohisy JC. Activity Level Maintenance at Midterm Follow-up Among Active Patients Undergoing Periacetabular Osteotomy.  Am J Sports Med. 2019 Dec;47(14):3455-3459.
  1. Wasko M, Nepple JJ, Clohisy JC, Pascual-Garrido C. Arthroscopic Hip Joint Assessment can Impact the Indications for PAO Surgery.  Iowa Orthop J. 2019;39(1):149-157.
  1. Larson CM, McGaver RS, Collette NR, Giveans MR, Ross JR, Bedi A, Nepple JJ. Arthroscopic Surgery for Femoroacetabular Impingement in Skeletally Immature Athletes: Radiographic and Clinical Analysis.  Arthroscopy. 2019 Jun;35(6):1819-1825.
  2. Sachleben BC, Nasreddine AY, Nepple JJ, Tepolt FA, Kasser FR, Kocher MS. Reconstruction of Symptomatic Congenital Anterior Cruciate Ligament Insufficiency. J Pediatr Orthop, 2019 Feb;39(2):59-64.
  1. Nepple JJ, Louer CR, Clohisy JC. A Prospective Analysis of the Contralateral Hip Among Patients with Femoroacetabular Impingement Response. Am J Sports Med. 2019 Jan;47(1):NP8-NP9.
  1. Lynch TS, Minkara A, Aoki S, Bedi A, Bharam S, Clohisy J, Harris J, Larson C, Nepple JJ, Nho S, Philippon M, Rosneck J, Safran M, Stubbs AJ, Westermann R, Byrd JWT. Best Practice Guidelines for Hip Arthroscopy in Femoroacetabular Impingement: Results of a Delphi Process.  J Am Acad Orthop Surg. 2020 Jan 15;28(2):81-89.
  1. Nepple JJ. Editorial Commentary: At the intersection of Borderline Dysplasia and Femoroacetabular Impingement-Which Way Should We Turn? Arthroscopy 2020 Apr;36(4):1185-1188.
  1. Fabricant PD, Milewski MD, Kostyun RO, Wall EJ, Zbojniewicz AM. Research in Osteochondritis of the Knee (ROCK) Study Group, Albright JC, Bauer KL, Carey JL, Chambers HG, Edmonds EW, Ellis HB, Ganley TJ, Green DW, Grimm NL, Heyworth BE, Kocher MS, Krych AJ, Lyon RM, Mayer SW, Nepple JJ, et al: Osteochondritis Dissecans of the Knee: An Interrater Reliability Study of Magnetic Resonance Imaging Characteristics. J Pediatr Orthop 2020 Jul;48(9):2221-2229.
  1. Schafer KA, Clohisy, Nepple JJ, et al. Rapidly Progressive Arthritis in Femoroacetabular Impingement: Patient Characteristics and Risk Factors for Total Hip Arthroplasty by the Age of Forty. Iowa Orthop J 2020;40(1):129-134.
  1. Trinh TQ, Leunig M, Larson CM, Clohisty J, Nepple JJ, et al. Lateral Center-Edge Angle is not Predictive of Acetabular Articular Cartilage Surface Area: Anatomic Variation of the Lunate Fossa. Am J Sports Med 2020 Jul:28(8):1967-1973.
  1. Ellis HB, Li Y, Bae DS, Kalish LA, Wilson PL, Pennock AT, Nepple JJ, et al. Descriptive Epidemiology of Adolescent Clavicle Fractures: Results from the FACTS (Function after Adolescent Clavicle Trauma and Surgery) Prospective, Multicenter Cohort Study. Orthop J Sports Med 2020 May 29:8(5):eCollection.
  1. Nepple JJ, Zaltz I, Larson CM, ANCHOR, Clohisy JC. Surgical Treatment of Femoroacetabular Impingement:  Hip Arthroscopy versus Surgical Hip Dislocation – A Propensity Matched Analysis.  J Bone Joint Surg.  (in press)

Book Chapters

Nepple JJ, Kim YJ.  Developmental Hip Disorders. In: Kim YJ and Mamisch TC, eds. Hip Magnetic Resonance Imaging.  New York, NY: Springer, 2014; ch 8, pp 95-111.

Nepple JJ, Clohisy JC, Schoenecker PL. Nonarthroplasty Surgical Treatment of the Hip. In: Boyer MI, ed..  In AAOS Comprehensive Review 2. Rosemont, IL: American Academy of Orthopaedic Surgeons, 2014; ch 112, pp 1231-6.

Nepple JJ, Clohisy JC.  Patient Selection for Hip Preservation Surgery. In: Clohisy J, Beaule P, Della Valle C, Callaghan J, Rosenberg A, Rubach H, eds. The Adult Hip: Hip Preservation Surgery. Madrid, Spain: Lippincott Wolters Kluwer, 2014; ch 16, pp 178-183.    

Nepple JJ, Clohisy JC.  Femoroacetabular Impingement: Overview. In: Clohisy J, Beaule P, Della Valle C, Callaghan J, Rosenberg A, Rubach H, eds. The Adult Hip: Hip Preservation Surgery. Madrid, Spain: Lippincott Wolters Kluwer, 2014; ch 19, pp 205-213.   

Nepple JJ, Philippon MJ.  Hip Injuries in the Athlete and Current Indications for Hip Arthroscopy.  In: Doral MN, Karlsson J, eds. Sports Injuries:  Prevention, Diagnosis, Treatment, and Rehabilitation 2nd Edition. Springer Verlag Berlin Heidelberg 2015.

Nepple JJ, Bedi A, Larson CM.  Approaches to Capsulotomy and Capsular Management in Hip Arthroscopy.  In: Byrd JWT, Bedi A, Stubbs AJ, eds. The Hip: AANA Advanced Arthroscopic Surgical Techniques. Thorofare, NJ, Slack Incorporated and AANA, 2015; ch 10, pp 125-138.

Nepple JJ.  Medial Patellar Tendon Transfer with Proximal Realignment.  In: Cordasco FA, Green DW, eds. Pediatric and Adolescent Knee Surgery.  Wolters Kluwer, 2015; ch 18.

Nepple JJ, Clohisy JC, Schoenecker PL. Chapter 12: Nonarthroplasty Surgical Treatment of the Hip. In: AAOS Comprehensive Orthopaedic Review 2. September 19, 2018.

Nepple JJ, Clohisy JC. Chapter 81: Hip Dysplasia and Instability. In: DeLee, Drez, & Miller’s Orthopaedic Sports Medicine: Principles and Practice, 5th Edition, 2019.

Larson CM, Nepple JJ. Chapter 84: Athletic Pubalgia/Core Muscle Injury and Adductor Pathology. In: DeLee, Drez, & Miller’s Orthopaedic Sports Medicine: Principles and Practice, 5th Edition, 2019.

Nepple JJ. Chapter 35: Athletic Injuries Involving the Hip. In: The Pediatric and Adolescent Hip. May 30, 2019.

Nepple JJ. The Pediatric and Adolescent Hip: Essentials and Evidence. Springer Nature. July, 2019

Dr. Nepple's CV
Jeffrey Nepple, MD, MS
  • American Academy of Orthopaedic Surgeons
  • American Orthopaedic Society for Sports Medicine
  • Pediatric Orthopaedic Society of North America (POSNA)
  • International Society for Hip Arthroscopy
  • Pediatric Research in Sports Medicine Society (PRiSM)
  • Academic Network of Conservational Hip Outcomes Research
  • Pediatric ACL Understanding Treatment Options PLUTO
  • Research on Osteochondritis Dissecans of the Knee (ROCK) Study