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Content available remote Effects of intra-arterial heparin on cytokine levels in the ischemic tissue
100%
Open Medicine
|
2010
|
tom 5
|
nr 2
165-171
EN
The purpose of this study was to evaluate the effects of systemic and intra-arterial application of heparin by measuring tissue levels of inflammatory cytokines. Twenty-one adult male Wistar albino rats were divided into three groups (Group A, B and C). All the rats had undergone ligation of the right femoral artery with 4-0 silk suture to induce limb ischemia. Group A was the control group. In Group B, unfractionated heparin of 1500 U/kg/day was given through the tail vein for 10 days, the same dose was given to distal part of ligated right femoral artery for 10 days in Group C. On the 3rd, 5th, and 10th days, biopsies were taken from rectus femoris muscle on the ischemic extremities. Tumor necrosis factor-α, interleukin-1β, and vascular cell adhesion molecule levels in muscle tissue were measured by a standard enzyme-linked immunoabsorbent assay method. An increase in tumor necrosis factor-α level was found in all three groups throughout the duration of the experiment. The increase in Group C was statistically significant as compared with the other groups. The significant increases that occurred in tumor necrosis factor-α level as a result of intra-arterial application of heparin can be postulated to be one of the results of angiogenesis induced by the heparin in ischemic extremities. This might delay the formation of a necrosis in ischemic extremities, depending on the increased angiogenesis response by means of intra-arterial heparin application and may result in extended vitality of an extremity.
EN
One of the most important adverse drug reactions that physicians encounter is the life-threatening prothrombotic syndrome known as heparin-induced thrombocytopenia (HIT). In patients with a history of heparin-induced thrombocytopenia and coronary arterial disease, alternative anticoagulatory regimens are needed during cardiac surgery for prevention of thrombosis. Treatment options for such patients now generally include the use of alternative anticoagulants such as lepirudin, bivalirudin, argatroban or danaparoid. In this article, we present a case where heparin-induced thrombocytopenia was properly performed coronary arterial bypass grafting by using lepirudin. (This sentence is confusing)
EN
Glomus caroticum tumors, usually used as an alternative term for carotid body tumor, are of neuroectodermal origin and a part of the extra adrenal neuroendocrine system pathologies. These abnormalities are the most frequently detected paraganglioma in the localization of the head and neck. In our report, we present a giant tumor mass on the left side which was operated on successfully with a review of our experience retrospectively. Between the dates of June 1995 and October 2009, 47 patients, all of which had a glomus caroticum tumor, underwent to surgery. Tumor presented a wide variety of size and clinical presentations.
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