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Updated: Aug 5, 2026

Osmotic Drug Delivery to Ischemic Hindlimbs and Perfusion of Vasculature with Microfil for Micro-Computed Tomography Imaging
Published on: June 29, 2013
Abstract:
An open study utilizing a serotonergic S2 antagonist, ketanserin, in a single 10mg intra arterial dose, was undertaken in eleven patients suffering various micro-vascular ischemic diseases. Ipsilateral limb blood flow improved 50%, skin temperatures rose 2.5 degrees C and venous oxygen tensions measured in the diseased foot showed modest elevation. The changes were significant and comparable to those achieved with chemical sympathectomy. These findings suggest ketanserin may have a place in the treatment of microvascular ischemic disease. However, systemic and contralateral flow induced changes suggested regional specificity was not obtained with arterial injection.
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