A common injection to treat arthritis may hasten the onset of the disease rather than prevent it, according to new studies.
Both studies were presented Tuesday at the annual meeting of the Radiological Society of North America.
In the first study, researchers from the University of California, San Francisco studied patients who had been diagnosed with osteoarthritis, the most common form of the disease, affecting more than 32 million adults in the United States. .
Among the subjects, 70 received intra-articular injections, while 140 did not receive them for a period of two years. Statistical analysis showed that corticosteroid injections into the knee were “significantly associated” with the overall progression of knee osteoarthritis.
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The group that received hyaluronic injections showed a decrease in the progression of osteoarthritis, particularly in spinal cord injuries, according to the study.
In the second study, researchers from Chicago Medical School at Rosalind Franklin University of Medicine and Science studied the progression of osteoarthritis in patients who received injections of corticosteroids and hyaluronic acid.
Patients who were injected with corticosteroids had “significantly more” progression of osteoarthritis – including narrowing of the medial joint space – than patients who were injected with hyaluronic acid.
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“The results suggest that hyaluronic acid injections should be explored further for the management of symptoms of knee osteoarthritis, and that steroid injections should be used with more caution,” said the researcher and student. Azad Darbandi medicine in a statement.