OTRF Research

Clinical Trials and Outcome Research
To evaluate and improve patient care, Dr. Steven Chudik conducts independent clinical outcomes research. It is important to track patients’ short-term, as well as long-term outcomes, and put treatments to the test. Through critical analysis of the results, Dr. Chudik learns about the limits of current treatment standards and pushes to discover better alternatives for his patients. As Dr. Chudik’s various research projects progress, he will provide updates and report his findings, outcomes and benefits here. Check here periodically to follow his work and see if he needs study participants.

Basic Science Research
To better understand the basic science of anatomy, tissue injury and healing, injury mechanisms and prevention, implant and fixation biomechanics, joint tribology and other orthopaedic and sports medicine basic science, Dr. Steven Chudik collaborates with Loyola University of Chicago, Hines V.A. Musculoskeletal Biomechanics Center, Argonne National Laboratory, and multiple other partners in industry. Exploring hypotheses in the laboratory broadens Dr. Chudik’s basic orthopaedic knowledge and helps him extrapolate and bring new ideas into patient care. There have been many innovations in patient care that were first discovered in the laboratory. See Areas of Research and Development.

Patient Work and Innovation
Dr. Steven Chudik continually innovates to create new technology, surgical techniques and improve patient care. He also collaborates worldwide with other leaders in the orthopaedic technology industry. Surgeries provide Dr. Chudik with an endless source of ideas to create new, safer, less invasive, and more effective surgical procedures, surgical instruments and implants. Several of his patent works are the direct result of these pioneering endeavors. See Areas of Research and Development.

Areas of Research and Development

Shoulder Research and Developments

Shoulder Replacement

Rotator Cuff Repair

Method of Arthroscopic or Open Rotator Cuff Repair Using an Insertional Guide for Delivering a Suture Pin, patent number US 8,540,737 B2, issued September 24, 2013

Arthroscopic Rotator Cuff Repair With Biceps Tendon Augmentation. Nassos J, Chudik S. American Journal of Orthopaedics 2009; 181-183.

Arthroscopic Double-Row Rotator Cuff Repair: A Comparison of Methods Using a Parachute Tissue Anchor Versus a Threaded Double-Loaded Suture Anchor. Snyder J, Master D, Obopilwe E, Mazzocca AD, Chudik SC. American Academy of Orthopaedic Surgeons Annual Meeting, Chicago, IL, March 22-26, 2006.

Arthroscopic Double-Row Rotator Cuff Repair: A Comparison of Methods Using a Parachute Tissue Anchor Versus a Threaded Double-Loaded Suture Anchor. Snyder J, Master D, Obopilwe E, Mazzocca AD, Chudik SC. Arthroscopy Association of North America Annual Meeting, Hollywood, FL, May 18-21, 2006.

Suture Pin Device, serial number 11/529,185, patent application filed September 29, 2006

Arthroscopic Double-Row Rotator Cuff Repair: A Comparison of Methods Using a Parachute Tissue Anchor Versus a Threaded Double-Loaded Suture Anchor. Snyder J, Master D, Obopilwe E, Mazzocca AD, Chudik SC. 19TH Congress of the European Society for Surgery of the Shoulder and Elbow (ESSSE), Rome, Italy, September 21-24, 2005.

Arthroscopic Rotator Cuff Repair Using Transosseous Suture-Needle System. Principle investigator. Goals of this project are to develop and research this transosseous rotator cuff repair system. Research includes basic science studies (anatomical, technical, and biomechanical) and clinical outcome studies to evaluate the safety and effectiveness. Currently, performing technical pilot studies on cadaver specimens.

The Prospective Evaluation of Arthroscopic Rotator Cuff Repair using Suture Anchors and Intra-Articular Knot Tying Techniques for Patients with Full Thickness Rotator Cuff Tears. Co-investigator. Goal is to obtain prospective outcome data for a large group patients undergoing arthroscopic rotator cuff repair. Collected 350 + patients and are collecting data for the two-year follow up (2-, 5-, and 10-year follow up). Funding level: $500,000 +.

Shoulder Instability and Dislocations

Acromioclavicular Injuries

Shoulder Fractures

Shoulder Anesthesia

Throwing Shoulder and Elbow Injuries

Knee Research and Developments

Anterior Cruciate Ligament (ACL)

Cortical Loop Fixation System for Ligament and Bone Reconstruction,serial number 13/998,567, patent application filed November 12, 2013.

All-Epiphyseal Physeal-Sparing Anterior Cruciate Ligament Reconstructive Surgery: A Study of Three Dimensional Modeling to Characterize a Safe and Reproducible Surgical Approach. Steven C. Chudik, MD, Daniel A. Marchwiany, Michael Ryan Richard Lawley, Loyola University Chicago, Stritch School of Medicine STAR Program, June 16, 2013.

Against Simulated Eccentric Quadriceps Forces. Loyola Medical Center Research Conference, Loyola University of Chicago, June 2008.

Altered Tibiofemoral Motion and ACL Strain During Knee Flexion Against Simulated Eccentric Quadriceps Forces.. Drew Warnick, MD; Jeremy Goodsitt, Mark Sartori, BS; Josh Snyder, MD; Robert M. Havey, BS; Pietro Tonino, MD; Steven Chudik, MD; Paul Weinhold, MD; Avinash G. Patwardhan, PhD. Mid-America Orthopaedic Association meeting, 2008.

The Influence of Femoral Technique for Graft Placement on Anterior Cruciate Ligament Reconstruction Using a Skeletally Immature Canine Model With a Rapidly Growing Physis. Chudik SC, Beasley LS, Potter HG, Rodeo SA, Wickiewicz TL, Warren RF. Arthroscopy: The Journal of Arthroscopic and Related Surgery, December 2007; Vol. 23, Issue 12, Pages 1309-1319, e-1.

Universal Anterior Cruciate Ligament Repair and Reconstruction System, serial number 11/701,902, patent application filed February 2, 2007

The Use of an All-Epiphyseal Femoral Tunnel During ACL Reconstruction in a Skeletally Immature Canine Model. Chudik SC, Beasley LS, Potter HG, Rodeo SA, Wickiewicz TL, Warren RF., Orthopaedic Research Society, Baniff, Canada, October 2004.

Aggressive Quadriceps Loading Can Induce Noncontact Anterior Cruciate Ligament Injury. DeMorat G, Weinhold P, Blackburn T, Chudik S, Garrett W. American Journal Sports Medicine 2004;32:477-483.

Anterior cruciate Ligament Injury in Children: Update of Current Treatment Options. Beasley LS, Chudik SC. Current Opinion in Pediatrics 2003;15:45-51.

Anterior Cruciate Ligament Injuries in Women: Diagnosis, Management and Prevention. Chudik SC, Garrett WE. Women’s Health,Orthopedic Edition 2001; 4(3): 100-108.

The Effect of Initial Fixation Method on Bone Plug Incorporation in a Canine Model for Anterior Cruciate Ligament Reconstruction. Fedor E, Chudik S, Plzak L, Federico D, Montag A, Reider B. Presented at the Pritzker School of Medicine Summer Research Poster Forum, University of Chicago, IL, 1993.

Methods of ACL Reconstruction. Principal investigator. Goals of this project are to develop and research this method and system of ACL reconstruction. Research includes basic science studies (anatomical, technical, and biomechanical) and clinical outcome studies to evaluate safety and effectiveness.

Methods of ACL Reconstruction in Skeletally Immature Individuals. Principal investigator. Goals of this project are to develop and research this method and system of ACL reconstruction. Research includes basic science studies (anatomical, technical and biomechanical), and clinical outcome studies to evaluate safety and effectiveness.

Altered Tibiofemoral Motion and ACL Strain Patterns During Early Knee Flexion Against a Simulated Eccentric Quadriceps Contraction: Evidence for a Compression-Flexion-Rolling Theory Mechanism for the Non-Contact ACL Injury. Principal Investigator, Musculoskeletal Biomechanics Laboratory at Loyola Medical Center, Chicago.

Anatomical Characterization of the Distal Femoral and Proximal Tibial Epiphysis in the Skeletally Immature Individual using Magnetic Resonance Imaging Techniques. Co-investigator. Goal of the project is to describe the proximal tibia and distal femur epiphyseal and physeal anatomy, and evaluate the technical capability of safely drilling epiphyseal tunnels for ACL reconstruction for different age male and female skeletally immature individuals. Funding level: $10,000.

Biomechanics of ACL Fixation Methods Including Novel Tibial Transfix Fixation used for ACL Revision, PCL, and Physeal-Sparing ACL Reconstruction

Double Bundle versus Single Bundle ACL Reconstruction in a Dynamic Loading Model. Principal Investigator, Musculoskeletal Biomechanics Laboratory at Loyola Medical Center, Chicago.

Biomechanical and Histological Analysis of Graft Fixation in ACL Reconstruction Using an in vitro and in vivo Canine Model.Fedor E, Chudik S, Plzak L, Federico D, Montag A, Reider B.

Altered Tibiofemoral Motion and ACL Strain During Knee Flexion. Drew Warnick, MD; Jeremy Goodsitt, Mark Sartori, BS; Josh Snyder, MD; Robert M. Havey, BS; Pietro Tonino, MD; Steven Chudik, MD; Paul Weinhold, MD; Avinash G. Patwardhan, PhD.

Cartilage and Joint Surface Injuries

Osteochondral Repair with Synthetic Plugs Increases the Coefficient of Friction and Damages the Opposing Cartilage Countersurface. Aaron Baessler, Rosalind Franklin Medical School, International Society for Arthroscopy, Knee Surgery, and Orthopaedic Sports Medicine (ISAKOS), Lyon, France, June 2015.

Determining Safe and Reproducible Bony Entry Point, Tunnel Trajectory and Distance from Physeal and Articular Cartilage While Drilling Osteochondritis Dissecans Lesions of the Medial Femoral Condyl. Steven Chudik, MD, Michael Zindrick, MD, Michael Ryan, Loyola University of Chicago, Stritch School of Medicine STAR Program, October 21, 2013

Reciprocating Friction and Wear Measurements of Bovine Cartilage Sliding Against Cartilage, Polyurethane, Polyethylene, and Cobalt-Chrome Alloy Discs. Joseph A. Gil, Robert Erck, PhD, Steven C. Chudik, MD. The 3rd Combined Meeting of JOSSM/AOSSM, Maui, Hawaii, March 27-29 2011.

Joint Resurfacing with Osteochondral Replacement Plugs of Artificial Material: A Tribological Study of Friction and Wear. Neal Mugve, Steven C. Chudik, MD, Robert Erck, PhD. Loyola University Chicago, Stritch School of Medicine STAR Program, November 6, 2010.

Reciprocating Friction and Wear Studies of Bovine Cartilage Sliding Against Cartilage, Polyurethane, Polyethylene and Cobalt-Chrome Alloy Discs; Robert Erck, PhD, Oyelayo Ajayi, Joseph A. Gil, Steven C. Chudik; MD; STLE Annual Meeting, Las Vegas, NV, May 16-20, 2010.

Artificial Materials for Joint Resurfacing: A Tribological Study of Friction and Wear. Steven C. Chudik, MD, Robert Erck, PhD, Joseph A. Gil, Loyola University Chicago, Stritch School of Medicine STAR Program, November 20, 2009.

The Tribology of Articular Cartilage Against Artificial Joint Surfaces. The goal is to determine which artificial joint surfaces—commercially-available and novel—create the best surface interaction with cartilage. Also investigating, the tribological behavior of native cartilage against different artificial surface materials. Co-investigator in collaboration with Argonne National Laboratory. AANA research grant.

The Tribology of Articular Cartilage. Argonne National Laboratory.

Investigating Cartilage Injury and its Effect on Tribological Properties and Wear.

Tribology of Novel Artificial Joint Surfaces Against Cartilage. AANA research grant: $20,760

Tribology of Novel Artificial Focal Joint Surface Replacement Against Cartilag. Pilot funding: $9,336.

Multiple Knee Ligament Injuries

Miscelleneous

Soft-Tissue Injury Research and Developments

Miscellaneous Sports Injuries

Patient Experience

SOAR Research Program

Dr. Steven Chudik is a Top Doctor in orthopaedics and a pioneer in orthopaedic shoulder and knee arthroscopic surgery, and sports medicine, and a noted researcher and clinical assistant professor at Loyola University of Chicago. Building on his expertise and background, Dr. Chudik created the SOAR Program, (Students interested in Orthopaedics And Research) that is hosted by his foundation, OTRF. Designed to expose interested and motivated undergraduate, pre-med and medical students to orthopaedic surgery and research, the program allows participants to explore the fields of clinical practice and medical research through educational curriculum and hands-on experience. SOAR participants gain valuable experience working on research projects from the beginning brainstorming phase through the submission and publication of manuscripts by professional orthopaedic journals and associations. The knowledge and understanding students gain through either a ten-week summer program or one-year rotation helps students make career decisions and support their application to medical school and residency programs. Apply for SOAR >>

OTRF Funds Ongoing, Unbiased Research to Improve Patient Outcomes

On any given day you can encounter biases—age, weight, looks, gender, wealth, skill, intelligence, etc. When it involves medical research, though, bias can be very detrimental—especially when it comes to your health.