International angiology : a journal of the International Union of Angiology
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Case Reports
Acute rupture of an aortic aneurysm mimicking the discus hernia syndrome. A case report.
Aneurysms of the abdominal aorta have been recognised as a cause of back pain and vertebral erosion. However back pain and paraplegia are uncommon, presenting complaints in patients with aortic aneurysms. A case of acute rupture of an abdominal aortic aneurysm is presented mimicking the symptoms of a discus hernia syndrome and paraplegia.
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Ergotamine tartrate and caffeine has been widely prescribed for the prevention and treatment of migraine headaches. Rarely the ergotamine can cause symptoms of peripheral vascular insufficiency, often concerning the lower extremities. A case report of bilateral severe ischemia to the upper limbs, caused by a chronic assumption of ergotamine tartrate is presented.
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In severe chronic venous incompetence there is not only microangiography of the blood capillaries, but the superficial lymphatic skin capillaries at the medial ankle region are damaged also. The network visualized after subepidermal injection of FITC-dextran 150,000 is interrupted by obliterations or is even completely destroyed. In addition, lymphatic microangiopathy may be diagnosed by increased leakage of the dye out of the capillaries (enhanced permeability) and by phenomena of cutaneous reflux (parts of the network filling from deeper invisible channels). It is concluded that formation of indurated edema in chronic venous insufficiency arises at least in part from lymphatic microangiopathy.
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Randomized Controlled Trial Clinical Trial
Incidence of myocardial ischemia during carotid endarterectomy.
Since patients undergoing carotid endarterectomy often suffer from coronary artery disease, the detection, adequate treatment and prevention of intra and postoperative myocardial ischemia are a major concern. Effectively, the deleterious effects of intraoperative ischemic episodes have been largely documented. ⋯ However, with this approach, the incidence of intraoperative ischemic episodes remains high in patients suffering from disabling angina pectoris. In such cases, prophylactic i.v. nitroglycerin, administered continuously at the dose of 0.7 microgram/kg-1/min-1, optimizes myocardial oxygenation during surgery and minimizes the risk of intraoperative myocardial ischemia.
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Venous occlusion plethysmography is a useful tool to investigate the effect of a vaso-active medication on the venous circulation in man. However, room temperature can be very critical when small changes have to be detected. ⋯ It is likely that by lowering room temperature the response would be exaggerated. Taking these restrictions in mind, venous occlusion plethysmography can be a very valuable, non-invasive tool to study the effect of vaso-active treatment on the veins in men.