Non-Invasive Critical Limb Ischemia Treatment – VEITHsymposium ™
This marks the second year that ArtAssist®…The Arterial Assist Device® was discussed at VEITHsymposium.
This presentation from Professor Andrew N. Nicolaides reviewed the medical implications of ArtAssist® device therapy, as well as some of the clinical trials that were performed on patients with critical limb ischemia (CLI).
“The ArtAssist device takes advantage of the high venous pressure in the veins in the sitting position. It provides rapid compression of the foot and then the calf to 120 mmHg for three seconds. The rapid compression ensures that maximum pressure is reached within 300 ms. This is repeated three times every minute. This intermittent pneumatic compression empties the veins and in the presence of competent venous valves the venous pressure at the ankle is reduced to 15 mmHg. There is no effect on the arterial pressure which remains 180 mmHg. As a result dP becomes 180-15=165 mmHg. This increased dP results in increased arterial flow by 114% (1).“
Most notably, Prof. Nicolaides attributes the long-term benefits of ArtAssist® device therapy to the natural phenomenon of arteriogenesis. This means that over time, patients who use the device daily can be subject to the non-invasive remodeling of their vascular tree. Existing collateral vessels are encouraged to grow and provide much needed blood to the extremities.