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AAOS Media Alert
Embargoed March 19-23, 2013  
Headline to Come
Subhead to Come
When: Tuesday through Saturday, March 19-23, 2013 
Where:  McCormick Place Convention Center
What:  More than 30,000 orthopaedic surgeons, researchers and allied health professionals will meet to present and share the latest information on orthopaedic treatments, advancements and research.

Full Annual Meeting Electronic Press Kit will be complete and available after 12:00 pm CST, Friday, March 15th:


  • Hundreds of volunteers gather at The Faith Community of St. Sabina with Father Michael Pfleger to build a Safe, and Accessible Playground on Tuesday, March 19th
  • Economic and business impact of this large meeting on the city of Chicago –  more than 48 hotels & 65,000 room nights & 2,000 care kits assembled by meeting attendees and delivered to the Chicago shelter, Pacific Mission


  • Incoming AAOS president, Joshua Jacobs, MD, chairman, department of orthopaedic surgery, Rush University Medical Center can speak to the future of orthopaedic care and innovation of the specialty
  • Vincent Moretti, MD, University of Illinois at Chicago, presents concussion outcomes in MLB players
  • Khaled J. Saleh, MD and colleagues at Southern Illinois University present data on total knee replacement patients which show a longer hospital stay if patient is on Medicaid, has weekend admission, is older in age, or is of black race
  • Brian J. Cole, MD, MBA, Rush University Medical Center, finds that in the younger athlete, cartilage transplantation in the knee allows for return to high-level sport 14 months from surgery
  • Michael S. Pinzur, MD, Loyola University Medical Center, presents the value of ankle bracing for volleyball players


  • On-site media roundtables:  Wednesday at 12:15 pm, McCormick Place N132
    • New procedure may stimulate healing and ACL regeneration; award winning orthopaedic surgeon and Harvard researcher Dr. Martha Murray

      Wednesday at 2:00 pm, McCormick Place N132
    • Improving Patient Care and Minimizing Health Care Costs; new studies outline risk factors and address rising health care costs
  • Sexual function after joint replacement
  • The latest trends in pediatric youth sport injuries
  • Return to work after hip replacement
  • Effects of platlet-rich-plasma (PRP) on tennis elbow
Why: More than one in four Americans has a musculoskeletal impairment, and an estimated 89.7 million individuals annually reported musculoskeletal disease as their primary health concern. Orthopaedic health and care affects millions, including your readers, listeners and viewers who will benefit from your reporting of the new research presented at this meeting. 

For a full review of studies presented on-site please visit

We have provided links to study abstracts and highlights of selected topics below. All links include study presentation dates and locations. All individual studies are embargoed until the date of each presentation.

Please note: all posters occur Tuesday – Saturday.
The embargo date for ALL POSTERS is 12:01 a.m. CST on Tuesday, March 19.

This is indicated respectively below (though actual presentation dates of posters may appear differently on the linked abstracts).


Total Knee or Total Hip Replacement Improves Sexual Function in More than 90 Percent of Patients
Osteoarthritis of the hip or knee, affecting millions of Americans each year, is known to limit sexual activity. A new study found that total hip or total knee replacement surgery improved sexual function in 90 percent of patients. Tuesday, March 19 (poster).

While Pediatric Sports and Recreational Injuries Have Dropped More Than 12 Percent over Past Decade; Football and Soccer Injuries Continue to Rise
Overall, sports and recreational injuries have declined 12.4 percent in the U.S. over the past 10 years in children ages 5 to 14, according to new research, including injuries related to bicycle, trampoline and roller skate use. However, injuries sustained during football, soccer and other organized, “ball” sports continue to rise. Tuesday, March 19 (poster).

Platelet-rich Plasma (PRP) Treatment Decreases Tennis Elbow Pain
Nearly 84 percent of patients suffering from chronic tennis elbow reported significantly less pain and elbow tenderness at six months following platelet rich plasma (PRP) treatment, compared to 65.9 percent of patients who did not receive PRP treatment, according to results from the largest, multi-center study, to date, on PRP and tennis elbow. Thursday, March 21.

Cushioned Heel Running Shoes May Alter Adolescent Biomechanics, Performance
Many of today’s running shoes feature a heavy cushioned heel. New research has found that these shoes may alter an adolescent runner’s biomechanics (the forces exerted by muscles and gravity on the skeletal structure) and diminish performance. Tuesday, March 19 (poster).

Nearly all Total Knee Replacement Patients Return to Previous Profession Following Surgery
Ninety-eight percent of total knee replacement patients returned to their previous job following surgery, according to a new study. Thursday, March 21.

Patients Bike, Hike and Swim Again after Total Hip Replacement Surgery
Patients undergoing total hip replacement today are more active than patients receiving the procedure 10 years ago, and most of them are returning to their previous recreational activities – from biking and hiking to swimming and golfing. Tuesday, March 19.

Hip Replacement Reduces Heart Failure, Depression and Diabetes Risk
In addition to improving life quality and diminishing pain, total hip replacement (THR) reduces mortality, heart failure, depression and diabetes rates in Medicare patients with osteoarthritis, according to a new study.  The procedure also is cost effective with the 7-year costs of THR only $6,366 higher than the cost of treating an osteoarthritis patient for hip pain without THR. Friday, March 22.

Depression, Rheumatoid Arthritis Linked to Poor Hip Replacement Outcomes and Surgical Revision
Depression, rheumatologic disease, psychoses, renal disease, urinary tract infection and congestive heart failure were associated with an increased risk of early revision following primary total hip replacement in Medicare patients, according to a new study. Tuesday, March 19 (poster).

Study Outlines Risk Factors for Poor Outcome, Mortality Following Hip Fracture
A new study identifies predictors of complications and mortality following a hip fracture, including dialysis, cardiac disease, diabetes, and a longer time before surgery – the only modifiable risk factor when patients are hospitalized. Thursday, March 21.

Knee Implants Designed Specifically for Female Patients May Not Improve Outcomes
Anatomic differences between male and female knees have resulted in the creation and regular use of gender-specific knee implants. However, new research finds that specialized prosthesis may not improve overall outcomes in female total knee replacement (TKR) patients. Thursday, March 21.

Obesity Alone May Not Affect Knee Replacement Outcome or Increase Complication Risk
Obesity alone may not diminish outcomes or increase the risk of complications in total knee replacement (TKR) patients, according to two new research studies.  However, obese TKR patients may face significantly longer hospital stays and related costs, primarily due to common conditions related to obesity, such as diabetes and hypertension. Thursday, March 21.

  • New Return to Run (RTR) rehab program utilizing a unique prosthesis returns wounded warriors to duty. Tuesday, March 19 (poster).
  • Even patients living in a warm sunny climate have deficient or insufficient levels of vitamin D. Tuesday, March 19 (poster).
  • Magnetic Resonance Imaging (MRI) can detect a failing, or potentially failing metal-on-metal hip implant, resulting in timely revision surgery and decreasing the risk for further tissue damage and pain. Tuesday, March 21 (poster).

About AAOS: An orthopaedic surgeon is a medical doctor with extensive training in the diagnosis and non-surgical as well as surgical treatment of the musculoskeletal system, including bones, joints, ligaments, tendons, muscles and nerves.

With more than 37,000 members, the American Academy of Orthopaedic Surgeons, ( or ( is the premier not-for-profit organization that provides education programs for orthopaedic surgeons and allied health professionals, champions the interests of patients and advances the highest quality of musculoskeletal health. Orthopaedic surgeons and the Academy are the authoritative sources of information for patients and the general public on musculoskeletal conditions, treatments and related issues.

More than one in four Americans have bone or joint health problems, making them the greatest cause of lost work days in the U.S. When orthopaedic surgeons restore mobility and reduce pain, they help people get back to work and to independent, productive lives. Orthopaedic surgeons keep this “Nation in Motion.” To learn more about A Nation in Motion campaign, or to read hundreds of patient stories or to submit your own story, visit Like AAOS on Facebook (, and follow us on Twitter (


Lauren Pearson Riley

Kristina Goel

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