Are blood stem cells effective for osteoarthritis treatment and cartilage regeneration?

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Are blood stem cells effective for osteoarthritis treatment and cartilage regeneration?



A study published in the journal Arthroscopy by Saw and colleagues has drawn some interest. The investigators took 50 patients aged 18 to 50 with grade 3 and 4 osteoarthritis and randomized them to receive either arthroscopic bone drilling with addition of the lubricant, hyaluronic acid or hyaluronic acid with stem cells obtained from peripheral blood. Each group received 5 weekly injections starting one week after surgery. The group that received the hyaluronic acid plus the stem cells did better as far as improvement in quality of cartilage as shown by cartilage histology and magnetic resonance imaging. Very compelling study.
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