VIVA 23: Wearable Non-Invasive Ultrasound for CLTI

Published: 23 Nov 2023

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VIVA 23 - We are joined by Dr Mahmood Razavi (St. Joseph Heart & Vascular Center, Orange, CA, US) to discuss the findings from an early feasibility study of non-invasive therapeutic ultrasound (TUS) to treat chronic limb-threatening ischemia.

12 patients were enrolled in the trial, who had Rutherford class 3, 4 or 5 peripheral arterial disease. Participants received 30-40 TUS treatment sessions over two months.

Findings suggested that the therapy was tolerable and acceptable to patients. A 17% improvement in tissue oxygenation was also observed.

Interview Questions:

  1. What are the unmet needs of PAD patients in 2023?
  2. What was the patient population and study design?
  3. What are the key findings?
  4. What are your take-home messages?

Recorded remotely from Orange, 2023.

Editor: Jordan Rance
Video Specialist: Dan Brent


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