Ultrasonography (US)-guided injection of glucocorticoids into tendon sheaths provided better disease control than intramuscular injection for patients with rheumatoid arthritis and tenosynovitis in a randomized, double-blind, controlled study. US remission of tenosynovitis (defined as greyscale score ≤1 and colour Doppler score = 0) at week 4 was achieved by 64% (16/25) of patients who received intratenosynovial injections, compared with 25% (6/24) who received intramuscular injections (P = 0.001). Remission rates also differed significantly at week 12 (44% versus 8%, P = 0.001).
References
Ammitzbøll-Danielsen, M. et al. Intramuscular versus ultrasound-guided intratenosynovial glucocorticoid injection for tenosynovitis in patients with rheumatoid arthritis: a randomised, double-blind, controlled study. Ann. Rheum. Dis. http://dx.doi.org/10.1136/annrheumdis-2016-209840 (2016)
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Onuora, S. Local versus systemic treatment for tenosynovitis. Nat Rev Rheumatol 12, 622 (2016). https://doi.org/10.1038/nrrheum.2016.164
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DOI: https://doi.org/10.1038/nrrheum.2016.164