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  • Title: [Surgical therapy of acute and chronic arterial occlusions below the inguinal ligament].
    Author: Stirnemann P.
    Journal: Praxis (Bern 1994); 2001 Jan 25; 90(4):113-8. PubMed ID: 11213571.
    Abstract:
    The history and physical examination are extremely important in the management of vascular surgical patients because a correct diagnosis can usually be made on the basis of information obtained from these two modalities. The severity of the chronic occlusive process leads to characteristic symptoms in the extremity: claudication, rest pain, skin ulcerations and gangrene. Chronic progressive lesions permit enlargement of collateral blood supply which, for a time, minimizes the severity of symptoms. Milde degrees of arterial insufficiency (claudication) can be treated conservatively. Unreconstructed chronic critical ischemia predicts a poor outcome in terms of survival and limb salvage. The outlook with arterial reconstructive surgery is by far better. Arteriography ist the most reliable diagnostic test for occlusive lesions. It ist essential for the operative planning. Vein-bypass procedures are, if feasible, very effective in most cases. Acute embolic occlusion: Sudden occlusion of a previously patent artery is usually a dramatic event producing severe ischemia of the distal tissue. The characteristic symptoms and signs are the 5 P's: pallor, pain, paresthesia, paralysis, pulselessness. Emergent restoration of blood flow by operation may be essential to prevent limb loss. Milder forms of ischemia (acute thrombosis--acute or chronic disease) can be treated initially with intravenous heparin if the extremity is not threatened (minimal sensory loss, no muscle weakness). Elective surgery at a later date is highly successful.
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