This prospective multicenter randomized controlled trial evaluates the clinical efficacy of collagen scaffold augmentation in surgical repair for acute Achilles tendon ruptures. The study will enroll 48 adult participants randomly assigned to either the intervention group (surgical repair with collagen scaffold augmentation) or the control group (standard surgical repair without scaffold). The primary outcome is tendon function assessed using the VISA-A score, while secondary outcomes include tendon healing characteristics measured by ultrasound (thickness, neovascularity), calf muscle strength, ankle range of motion, and complication rates. Follow-up assessments will be conducted at 6 weeks, 3 months, 6 months, and 12 months post-surgery. The study aims to determine whether collagen scaffold augmentation enhances tendon healing and functional recovery compared to conventional repair methods, potentially offering a improved treatment approach for Achilles tendon injuries.
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Victorian Institute of Sports Assessment (VISA-A)
Timeframe: 6 weeks and 3, 6, 12 months after surgery
Samuel K Ling, MBChB (CUHK), ChM (Edin), MRCS