The use of needle lavage in patients with symptomatic osteoarthritis of the knee does not lead to measurable improvements in pain, function, 50-foot walking time, stiffness, tenderness or swelling.
Sources:
American Academy of Orthopaedic Surgeons. Treatment of osteoarthritis of the knee (non-arthroplasty): Full guideline [Internet]. 2008 Dec [cited 2014 Feb 20].
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