Charles William Kerber

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The basic microvascular anatomy of the human dura is described. The named dural arteries give rise to two outer anastomotic sets of vessels. From the outer arteries, penetrating vessels descend to supply a rich capillary network located near the arachnoid. Arteriovenous shunts are present in the midportion of the dura, which may function to bypass the(More)
Carotid arterial puncture during percutaneous retrogasserian procedures is a common but usually harmless complication. Strokes, resulting presumably from carotid artery thrombosis, have been reported previously following percutaneous retrogasserian coagulation. The authors report two cases of carotid-cavernous fistula, one following percutaneous(More)
PURPOSE To describe the flow patterns in a model of the vertebrobasilar artery and use these observations to explain the appearance of the flow on the MR images. METHODS We created an anatomically precise, transparent elastic model of the human vertebrobasilar artery containing a basilar tip aneurysm and perfused the model with non-Newtonian fluid which(More)
Carotid endarterectomy is increasingly used to decrease the risk of stroke associated with cervical atherosclerotic stenosis, and some investigators claim that the results and benefits for carotid stenting are comparable with those of endarterectomy. A review of the literature reveals that there is incomplete knowledge concerning carotid artery(More)
Although the deliberate therapeutic dilatation of arteriosclerotic plaques was described more than 15 years ago, clinical acceptance of the technique has been slow [1]. Since Gruntzig and Hopff [2] developed a tough, reliable, and easy to use polyvinylchloride balloon catheter, however, the applicability of the technique has been extended beyond the(More)
Cyanoacrylate is a satisfactory material for therapeutic embolization, but it has the disadvantage of not being radiopaque and polymerizing within 1 sec after contact with ionic materials. Its behavior was modified with varying concentrations of iophendylate and were able to satisfactorily control its polymerization from 1 to 30 sec. This control should(More)
The angiographic evaluation of the transient ischemic attack has been technically difficult, time consuming, and complication prone because of underlying arteriosclerosis and other medical diseases. The examination described depends upon small soft catheters, dynamic fluoroscopy for positioning, and selective magnified views of the arteries needed for(More)
Enlarged veins in two vascular malformations blocked the cerebrospinal fluid outflow pathways, causing hydrocephalus. Both patients presented not with the usual clinical picture (hemorrhage, seizure, etc.), but with signs of increased intracranial pressure. Computed tomography and angiography were necessary to understand the pathophysiology. An(More)