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Stem cell therapy following meniscus knee surgery may reduce pain, restore meniscus

Stem cell therapy following meniscus knee surgery may reduce pain, restore meniscus

C. Thomas Vangsness, Jr. (Photo by Cristy Lytal)

A single stem-cell injection following arthroscopic meniscus knee surgery may provide pain relief and aid in meniscus regrowth, according to a new study by C. Thomas Vangsness, Jr., MD, principal investigator with USC Stem Cell and professor of orthopaedic surgery at the Keck School of Medicine of USC. The first-of-its-kind study appeared in the January 2014 issue of the Journal of Bone and Joint Surgery. 

The study showed that most patients who received a single injection of adult stem cells following the surgical removal of all or part of a torn meniscus — the wedge-shaped pieces of cartilage that act as shock absorbers in the knee — reported a significant reduction in pain.

“The results demonstrated that high doses of mesenchymal stem cells can be safely delivered in a concentrated manner to a knee joint without abnormal tissue formation,” said Vangsness, lead author of the study. “No one has ever done that before.”

Mentioned in this article: C. Thomas Vangsness, Jr., MD

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