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Knee Replacement Studies

Fixed vs. Mobile Bearing Total Knee Replacement

Both types of knee replacement implants function very well with similar results in older individuals. It is thought that mobile bearing knee replacements may decrease wear of the polyethylene insert in younger more active individuals. We are prospectively following our knee replacement patients to evaluate the long term success of these implants.

Computer-Assisted Joint Replacement Past and Present

Knee replacement surgery continues to evolve with improved pain management, standardized treatment protocols and less invasive techniques. All of these factors and others combine to accelerate recovery and return to activities.

Computer-assisted joint replacement was popularized in the early 21st Century. Dr. Barrett and co-authors have reported on their results with computer-assisted knee replacement. Experience with these techniques improved surgical outcomes and led to work on customized cutting guides, made specifically for an individual patient.

As of 2010 we are engaged in clinical studies evaluating the accuracy of these custom cutting guides that evolved from our experience with computer-assisted knee replacement.

To learn more about VOA Research Foundation’s knee replacement studies call 425-656-5060, ext. 3063.

Unicompartmental (Partial) Knee Replacement

We are prospectively following our patients with unicompartmental knee replacement to determine how these implants compare to total knee replacements.

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

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    The list of menopausal side effects is extensive – from mood swings, to hot flashes, fatigue and more; and while achy, swollen joints are a common side effect of aging, recent studies have found that they can also be a side effect of menopause. The primary female hormone, estrogen, protects joints and reduces inflammation, but …

  • Studies Support “Weekend Warrior” Lifestyle

    We get it: our schedules are hectic and between working, seeing friends, attending soccer games, running errands, and sneaking in some you-time, getting in the recommended 150 minutes of exercise a week can seem unfeasible. Out of these unforgiving schedules has emerged the “weekend warrior” trend where American adults condense their workouts into one or …

  • Parking Alert: Valley Medical Center Construction

    Attention patients and visitors: Valley Medical Center’s Renton campus will be undergoing construction through 2018 while they expand the North Parking Garage and build a new medical office building. This will impact parking for patients and visitors. If you have an appointment at VMC’s Renton campus, we recommend you consult our online parking map before …

Dr. Barrett's Blog

  • Direct Anterior Approach Total Hip Replacement Follow-Up Studies

    In the January 18, 2017 issue of the Journal of Bone and Joint Surgery, Dr. Michael Meneghini and coauthors reported on revision rates following different surgical approaches to hip replacement. They found that patients who had undergone a direct anterior approach, particularly early in the learning curve for a particular surgeon, had a higher risk …

  • Why a Plant-Based Diet is Key for Joint Replacement (and Your Overall Health)

    The incidence of hip and knee replacements is increasing and will continue to do so for the next two decades. With the transformation of healthcare reimbursement to a value-based, episode-of-care model, there will be closer scrutiny of all factors that affect outcomes of joint replacement surgery. Such factors include those on the orthopedic surgeon‘s side, …

  • VMC Hosts Local & International Surgeons

    We have had ten groups of visiting surgeons come to Valley Medical Center to observe hip and knee replacement surgery. We have welcomed several local Seattle orthopedic surgeons, others from around the greater Washington area, two groups from Italy, one from New Zealand, and two from China. These surgeons come to learn a variety of …