THE TERM euthyroid sick syndrome (ESS) identifies abnormalities in thyroid function tests
observed in patients with systemic nonthyroidal illnesses (NTIs) and those undergoing …

Background Thyroid hormone has many effects on the cardiovascular system. During and
after cardiopulmonary bypass, serum triiodothyronine concentrations decline transiently …

This review focuses on the effects of thyroid hormones in vascular and renal systems.
Special emphasis is given to the mechanisms by which thyroid hormones affect the …

The present study examines the hypothesis that the hormones have direct vasodilatory
effects and attempts to determine whether the effects are endothelium-dependent. Rat …

Abstract Experiments in Cape Town in the 1980s demonstrated that acute brain death is
followed by massive catecholamine release resulting in systemic hypertension, acute left …

Thyroid hormone directly affects the heart and peripheral vascular system. The hormone can
increase myocardial inotropy and heart rate and dilate peripheral arteries to increase …

The purpose of this prospective study was to define the effect of cardiopulmonary bypass on
the concentrations of thyroid hormones and metabolites. Blood samples were obtained from …

Background: Although triiodothyronine deficiency has been described after cardiopulmonary
bypass, data supporting its use have been conflicting. A double-blind, randomized, placebo …

Objective.—To test the hypothesis that triiodothyronine (T 3) administration improves
hemodynamic variables and decreases inotropic drug requirements in cardiac surgery …

PURPOSE: The thyroid hormone system may be downregulated temporarily in patients who
are severely ill. This “euthyroid sick syndrome” may be an adaptive response to conserve …