CALL NOW FOR AN APPOINTMENT 425.656.5060

Online Appointment Requests

For convenient scheduling, request an appointment online.

Research Foundation

Research is an important part of medicine, allowing us to objectively determine the effectiveness of the treatments we recommend to our patients. As a result, the VOA Research Foundation was formed in 2004 as a nonprofit organization.

The mission and goal of the VOA Research Foundation is to inform and educate physicians and patients about advanced treatment options for arthritis of the hip and knee.

The VOA Research Foundation evaluates emerging techniques and technology relating to joint replacement surgery. With our proximity to Proliance Orthopedic Associates, we are able to study the outcomes of total hip and knee replacement with regard to long-term pain relief and function. Ongoing clinical studies include: Comparison of Anterior vs Posterior approach for total hip replacement (THA), Use of Alternative bearing surfaces and variable head sizes in THA, Use of custom cutting guides for total knee replacement (TKA) and use of computer assisted techniques for TKA.

As part of our educational mission, we provide an annual scholarship to Renton High School students interested in pursuing studies related to health care. The Foundation also sponsors educational forums to further the knowledge base of both orthopedic and primary care practitioners about advances in orthopedic care.

Our research activities have resulted in several scientific papers/poster presented at national orthopedic meetings:

  • Paper – Large Diameter Modular Metal-On-Metal Total Hip Arthroplasy: Analysis Of Failures, Western Orthopedic Association, August 2010, California
  • Publication – “Early to Mid-Term Survivorship of a Cementless, Modular, Multi-Liner Acetabular Cup System” , Orthopedics – 2009
  • Presentation – Patient and Surgical Factors Associated With Infection After Total Knee Arthroplasty”, American Association of Orthopaedic Surgeons, March 2008, California
  • Presentation – “Large Femoral Heads Reduce Dislocations In THA”, American Association of Orthopaedic Surgeons, March 2008, California
  • Poster – “Midterm Survival of the Pinnacle Multi-Liner Acetabular Cup in a Prospective Multi-Center Study” , American Association of Orthopaedic Surgeons , March 2008, California
  • Poster – “Hypersensitivity in Metal on Metal THA”, Western Orthopedic Association, July 2007, California
  • Poster – “Survival Analysis of a Contemporary Modular Total Knee Replacement: A Large Multi-center 9-year Study”, American Association of Orthopaedic Surgeons, Feb 2007, California
  • Presentation – “Computer Assisted Surgery Improved Alignment in TKA”. Computer Assisted Orthopaedic Surgery 6th Annual International Meeting, June 2006, Montreal Canada
  • Poster – “Activity Assessment in Active Patients Undergoing THA Recommendation vs. Reality”, Western Orthopedic Association, Sept 2004, California

The VOA Research Foundation is located at Proliance Orthopedic Associates on the Valley Medical Center campus in Renton, Washington.

Additional Info:
VOA Research Foundation Hip Replacement Studies
VOA Research Foundation Knee Replacement Studies

Contacting the Foundation:
For more information about the VOA Research Foundation or to make a contribution, call 425-656-5060 ext. 3063.
Learn More on Dr. Barrett’s blog.

Shelly Turner, Research Coordinator VOA Research Foundation Secretary/Treasurer

William Barrett, MD
VOA Research Foundation President

LOCATIONS

RENTON

4011 Talbot Rd S #300
Renton, WA 98055

Phone: 425.656.5060
Fax: 425.656.5047

COVINGTON

27005 168th Pl SE #201
Covington, WA 98042

Phone: 253.630.3660
Fax: 253.631.1591

Maple Valley

24060 SE Kent Kangley Rd,
Maple Valley, WA 98038

Phone: 425.358.7708
Fax: 425.656.5047

Latest POA News

  • POA’s Dr. Jones Gives Back

    At POA, being involved and contributing to our community is a critical component of our mission. Whether we’re sponsoring local events, providing free health seminars or supporting local businesses, we are thrilled when we have the opportunity to make a difference. Recently, one of our talented orthopedic doctors, Dr. Ty C. Jones, has been giving …

  • Free Joint Replacement Seminar with Dr. Barrett

    Is your joint pain keeping you from the activities you enjoy? Join us on October 5th for a FREE Doc Talk on hip and knee replacement featuring POA’s own Orthopedic Surgeon, Dr. William Barrett, MD! When degenerative joint disease or injuries make it too painful for you to participate fully in the activities you enjoy, joint …

  • POA’s Athlete Comeback of the Month: Mercy

    Mercy Nelson is a 17-year-old athlete who was sidelined for over a year with a knee injury and battled her way back to become a first team all-league basketball athlete and a second team all-league volleyball player for Rainier Christian High School. Her incredible story makes her the star of this month’s athlete comeback blog! …

Dr. Barrett's Blog

  • Modifiable Risk Factors in Joint Replacement

    In an article published in The Journal of Arthroplasty, author Stambough et al. outlined the efficacy of controlling modifiable risk factors, specifically the decolonization of patients for Staph bacteria. There are multiple modifiable risk factors that can be improved prior to elective joint replacement surgery. These include the patients weight, smoking cessation, optimizing medical comorbidities. …

  • Complications Related to Obesity in Total Knee Replacements

    In an article published in the May 2017 edition of Journal of Arthroplasty, authors Fehring, et al, describe their experience with total knee tibial component loosening in obese individuals. What they found is that patients with a BMI greater than 35 placed increased strain on the bone in the proximal or top part of the …

  • Free Hip and Knee Replacement Seminar, May 11

    Questions about hip or knee pain and what your options are? We’re excited to invite you to Dr. William Barrett’s free hip and knee replacement seminar on May 11th at 6 PM in the Medical Arts Center. Learn more about the benefits of joint replacement surgery and how it can help return you to an active, pain-free life. Dr. William Barrett is …