This study demonstrates that protamine stimulates the release of EDRF from arterial endothelium, and that endothelium-dependent vasodilation may be an important cause of systemic hypotension during protamine infusion.
A case of primary liposarcoma of the mediastinum with a review of the literature is presented. Liposarcomas may attain a large mass and exhibit various kinds of clinical symptoms according to their localisation. Histological typing is very important in determining the type and extent of therapy. Surgical excision of the tumour is the therapy of choice in all cases. Radiotherapy may be of value for the palliation of unresectable cases.
Leukofiltration and coating significantly reduce the incidence, ventricular rate, and duration of AF after CABG via modulation of systemic inflammatory response and platelet preservation in high risk groups.
Gastroepiploic artery exhibited more pronounced relaxation and a different response profile to endogenous vasoactive substances than saphenous vein. The demonstration of higher capacity of the artery to release vasoactive substances in response to various endogenous agents shows that gastroepiploic artery may have a better long term patency rate than saphenous vein.
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