This is a prospective randomized, double-blinded, placebo-controlled superiority trial with two parallel groups and a 1:1 allocation ratio to investigate the effectiveness of radiofrequency coblation micro-tenotomy for patients with Achilles tendinopathy. All participants will be randomized into two groups: the intervention group (n=24; radiofrequency coblation micro-tenotomy + endoscopic Achilles debridement) and the control group (n=24; endoscopic Achilles debridement only). Adults (age \>18) with clinically diagnosed midportion Achilles tendinopathy will be recruited and scheduled for ultrasound screening. All participants will undergo a 12-week eccentric exercise program taught by a registered physiotherapist / athletic trainer. Undergo Endoscopic Achilles debridement and Radiofrequency coblation micro-tenotomy intervention. Criteria for discontinuing or modifying allocated interventions, Strategies to improve adherence to interventions, Relevant concomitant care permitted or prohibited during the trial and Provisions for post-trial care. Outocme measure will use VISA-A, pain scores, ultrasound measurement of thickness and vascularity, calf muscle strength, and ankle range of motion.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
48
Radiofrequency micro-tenotomy with low-temperature controlled ablation will be performed with the TOPAZ (Smith and Nephew) wand, which has a 1mm tip, and full thickness 1mm RF tendon debridement at 5mm intervals will be performed.
Victorian Institute of Sports Assessment
The primary outcome measure will be the Victorian Institute of Sports Assessment - Achilles (VISA-A) questionnaire, either the original English version or the validated Chinese version, depending on the participant's native tongue.
Time frame: 2weeks, 4 weeks, 2 months, 3 months, 6 months, 1 yesr after sugery
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