Author(s): Stenhouse G, Sookur P, Watson M
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Abstract OBJECTIVE: To evaluate whether autologous conditioned plasma offers any therapeutic advantage over ultrasound-guided dry needling as a stand-alone procedure in the treatment of refractory lateral epicondylitis. MATERIALS AND METHODS: Prospective, randomized pilot study of 28 patients (11 men, 17 women, mean age, 49.1 years) with refractory lateral epicondylitis (mean symptom duration, 19.1 months) who underwent either dry needling (n = 13) or dry needling combined with autologous conditioned plasma (ACP) injection (n = 15). Each patient received two separate injections (0 weeks and 1 month) and analysis of visual analogue pain scores (VAS) and Nirschl scores were performed pre-procedure, at 2 months and final evaluation at 6 months. Successful treatment was defined as more than a 25 \% reduction in pain scores without re-intervention. Data was analyzed using the Mann-Whitney test and local research ethics committee approval was obtained. RESULTS: At 2 months, the mean VAS improvement was 0.85 (12.3 \%) in the dry needling group compared to 2.19 (27.1 \%) in the ACP group (p = 0.76) and there was a 5.83-point and 20.3-point Nirschl score improvement respectively (p = 0.72). At the final follow-up of 6 months, the mean VAS improvement was 2.37 (34 \%) in the dry needling group compared to 3.92 (48.5 \%) in the ACP group (p = 0.74) and there was a 22.5-point and 40-point Nirschl score improvement, respectively (p = 0.82). CONCLUSIONS: There is a trend to greater clinical improvement in the short term for patients treated with additional ACP, however no significant difference between the two treatment groups was demonstrated at each follow-up interval. A larger, multicenter, randomized controlled trial is required to corroborate the results of this pilot study.
This article was published in Skeletal Radiol
and referenced in Orthopedic & Muscular System: Current Research