Blood velocity in the coronary artery circulation: relation to thromboxane A2 levels in coronary sinus in patients with angiographically normal coronary arteries. 1987

M Di Donato, and F Fantini, and M Maioli, and D Prisco, and P G Rogasi, and G G Neri Serneri

In the present study, we report the finding that some patients with spontaneous typical angina and angiographically normal coronary arteries present an abnormal cardiocoronary capacity to produce thromboxane A2, both in basal conditions and after sympathetic stimulation. The levels of thromboxane A2 in coronary sinus are significantly correlated to the rate of clearance of contrast medium in coronary circulation. Such a finding might be useful in better understanding the interesting syndrome of angina with normal coronary arteries.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D001783 Blood Flow Velocity A value equal to the total volume flow divided by the cross-sectional area of the vascular bed. Blood Flow Velocities,Flow Velocities, Blood,Flow Velocity, Blood,Velocities, Blood Flow,Velocity, Blood Flow
D003287 Contrast Media Substances used to allow enhanced visualization of tissues. Radiopaque Media,Contrast Agent,Contrast Agents,Contrast Material,Contrast Materials,Radiocontrast Agent,Radiocontrast Agents,Radiocontrast Media,Agent, Contrast,Agent, Radiocontrast,Agents, Contrast,Agents, Radiocontrast,Material, Contrast,Materials, Contrast,Media, Contrast,Media, Radiocontrast,Media, Radiopaque
D003326 Coronary Circulation The circulation of blood through the CORONARY VESSELS of the HEART. Circulation, Coronary
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D001011 Aorta The main trunk of the systemic arteries. Aortas
D013928 Thromboxane A2 An unstable intermediate between the prostaglandin endoperoxides and thromboxane B2. The compound has a bicyclic oxaneoxetane structure. It is a potent inducer of platelet aggregation and causes vasoconstriction. It is the principal component of rabbit aorta contracting substance (RCS). Rabbit Aorta Contracting Substance,A2, Thromboxane

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