Extremities

New research ranks the effectiveness of nonsurgical treatments for knee osteoarthritis

ROSEMONT, Ill.May 1, 2018 /PRNewswire-USNewswire/ — An estimated 45 percent of people are at risk of developing knee osteoarthritis (OA) in their lifetime. According to a network meta-analysis research article published in the May 1, 2018 issue of the Journal of the American Academy of Orthopaedic Surgeons (JAAOS), the nonsteroidal anti-inflammatory drug (NSAID) naproxen was ranked most effective in individual knee OA treatment for improving both pain and function, and is considered a relatively safe and low-cost treatment method.

Nonsurgical treatments for knee OA supported by previous research evidence include strength training, low-impact aerobic exercises, NSAIDs, and weight loss in individuals with a body mass index over 25. This new research analyzed data from multiple trials to determine the relative effectiveness of various nonsurgical treatments for knee OA. The treatments that were compared and ranked included acetaminophen; ibuprofen; intra-articular (IA) or joint injections of cortisone; platelet-rich plasma (PRP); hyaluronic acid (HA); several NSAIDs, such as naproxen, celecoxib, and diclofenac; and both oral and IA placebo.

“This is the first comprehensive mixed-comparison analysis comparing best-evidence scientific research and excluding lower quality studies that can bias the outcomes,” said lead author and orthopaedic surgeon David Jevsevar, MD, MBA. “Using a statistical ranking technique, we worked to provide evidence regarding which of the most common NSAIDs are most likely to decrease pain and improve function, and we attempted to fill in the gaps in evidence for more inconclusive treatments such as HA, PRP, and corticosteroids.”

Authors analyzed 53 randomized controlled trials that examined knee OA treatments for at least 28 days and included a minimum of 30 participants per study group. Knee OA treatments were ranked on a scale of one to five, with one being the most effective. They found the following:

  • For pain reduction, cortisone injections provided the greatest short-term (4 to 6 weeks) pain relief, followed by ibuprofen, PRP injections, naproxen, and celecoxib.
  • Naproxen ranked the highest for probability for improving function, followed by diclofenac, celecoxib, ibuprofen, and PRP injections.
  • Naproxen was ranked the most effective individual knee OA treatment for improving both pain and function followed by cortisone injections, PRP injections, ibuprofen and celecoxib.
  • HA injections did not achieve a rank in the top five treatments for pain, function, or combined pain and function. An analysis of 12 articles also found that results with HA are not significantly different from those with IA placebo for treatment of knee OA.

“Because knee OA has both a high disease burden and high treatment costs, additional prospective studies using similar outcomes, timelines, and measures of clinically important changes are needed,” explained Dr. Jevsevar. “While the information in this analysis is helpful to physicians, patients also can benefit from these findings and use it with their doctors to weigh all possible treatment options.”

Although the use of NSAIDs for arthritic conditions such as knee OA has potential risks, including heart attack and stroke, existing evidence indicates that naproxen has less potential for adverse cardiovascular events.

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Disclosures
From the Department of Orthopaedics, Dartmouth-Hitchcock Medical Center, Lebanon, NH (Dr. Jevsevar), American Academy of Orthopaedic Surgeons, Rosemont, IL (Mr. Shores, Mr. Mullen, Ms. Schulte, and Dr. Cummins), and Franciscan Orthopedic Associates, Tacoma, WA (Dr. Brown). J Am Acad Orthop Surg 2018; 26:325-336. DOI: 10.5435/JAAOS-D-17-00318

SOURCE American Academy of Orthopaedic Surgeons

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Mason Krell

Mason began his career in the Orthopedic Industry in 2017 when he joined The De Angelis Group as a Research Manager. He has developed a strong network within the industry and is very dedicated to helping companies maximize opportunities and disrupt markets.

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  1. I was diagnosed in June, 2013 with OSTEOARTHRITIS of the spine and both knees, symptoms started with severe back pain, joint swelling and stiffness in my knees and eventually the feeling spread to my shoulders and neck, i couldn’t lift my arm without pain medications. I was prescribed tramacet and arcoxia for 8 months but had to stop them due to bad effects. In 2017, I started on OSTEOARTHRITIS HERBAL FORMULA from RICH HERBS FOUNDATION, this natural herbal treatment reversed my osteoarthritis. Visit ww w. richherbsfoundation. c om. The treatment worked incredibly for my arthritis condition.

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