Ultrasound-guided sharp recanalization for valve-related stenosis in the arteriovenous fistula: a single-center retrospective cohort study
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Objective: To compare the efficacy and safety of ultrasound-guided sharp recanalization (USR) with those of conventional percutaneous transluminal angioplasty (PTA) in the treatment of venous valve-related stenosis (VVRS) in arte... ...
