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    Autogenous arterial radial-basilic forearm looped transposition
    (Mosby, Inc, 2003) Sunar, H; Cikirikcioglu, M; Halici, Ü; Duran, E
    We describe the use of radial artery as a conduit for arteriovenous hemodialysis access in the forearm. The advantages of this type of fistula are use of autogenous material and its localization because forearm fistula is easily cannulated and is more convenient for the patient. This fistula may be an alternative solution in selected hemodialysis patients for the difficult access in whom superficial arm veins are exhausted and lower extremity access is unsuitable.
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    The effect of nadroparine on coagulation mechanisms
    (Lippincott Williams & Wilkins, 2003) Sunar, H; Hüseyinova, G; Canbaz, S; Halici, Ü; Duran, E
    Low molecular weight heparins are widely used in the prophylaxis and treatment of thrombotic disorders. The effect of low molecular weight heparins on coagulation was examined ultrastructurally in an animal model. A test and a control group was formed, each consisting of five rabbits. Nadroparine (225 Institute of Chaoy Unit/kg twice daily) was applied to the test group for 10 days. The control group received 1 ml saline solution subcutaneously. Blood and vascular tissue samples collected at the end of the 10th day were evaluated under a JEM 100 B electron microscope. Platelet degranulation and agglutination was observed in the control group. Fibrin materials were detected in the cytoplasms and surroundings of degranulated platelets. Erythrocyte accumulation was remarkable on the vascular endothelium with intact coagulation periods. In the test group, outer membranes of platelets, hyalomere, and granular structures in the granulomeres were detected to be nearly intact. There were rare erythrocytes in the large vascular lumens. The aggregation phase had occurred but no agglutination was detected. Nadroparine seems to preserve consistency of lipoprotein membranes of platelets and granular structures containing enzymes, which contribute to the coagulation mechanisms. (C) 2003 Lippincott Williams Wilkins.