Use of Ultrasound-Guided Tendon Fenestration and Injection Procedures for Treatment of Tendinosis
Keywords:dry needling, needling tenotomy, autologous whole blood injections, prolotherapy, fenestration, injection procedures, tendinosis, pain improvement, return to activity
Introduction. Overuse injuries such as tendinosis are a common complaint at sports medicine clinics. When conservative management for tendinosis has failed, ultrasound-guided tendon fenestration and injection procedures such as dry needling, needling tenotomy, autologous whole blood injections, and prolotherapy can be utilized for treatment. This study examined the effectiveness of these procedures for pain improvement and ability to return to activity for patients with tendinosis.
Methods. This study included patients 15 years or older who underwent at least one treatment for tendinosis at a sports medicine clinic between January 1, 2014 through April 17, 2019. A CPT code query was used to screen patient charts for study inclusion.
Results. In total, 680 patients’ data were reviewed, and 343 patients met inclusion criteria. Patients underwent a total of 598 unique procedures. Dry needling represented most procedures (62.8%, n=375). Most patients reported diminished pain at follow up (73.0%, n=268). Prolotherapy had the highest percentage of patients reporting diminished pain (81.0%, n=17). Most patients were able to return to activity (47.4%, n=172) at follow-up. A greater proportion of patients with autologous whole blood injection were able to return to activity (60.7%, n=85).
Conclusions. Most patients with tendinosis who underwent tendon fenestration or injection procedures reported diminished pain at follow-up. Autologous whole blood injection may be more likely to diminish patient pain and allow return to activity than other procedure types. More research is needed across all anatomical sites to compare the generalized effectiveness of these procedures.
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Copyright (c) 2023 Garrett Koehn, M.D., Lexi Jackson, MS-4, Elizabeth Ablah, Ph.D., MPH, Hayrettin Okut, Ph.D., Andrew Porter, D.O.
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