Duration of Hyperemia With Intracoronary Administration of Papaverine

CORONARY FLOW RESERVE Intracoronary papaverine : an ideal

An ideal coronary vasodilator for studying coronary flow reserve in humans would rapidly produce maximal coronary vasodilation, be short acting to permit repeated measurements, and not alter systemic hemodynamics. The two commonly used vasodilators (dipyridamole and meglumine diatrizoate) do not satisfy these criteria; meglumine diatrizoate does not produce maximal hyperemia and dipyridamole ha...

evaluation of fat atrophy in patients with dermis fat graft of orbit by ct-scan

چکیده ندارد.

Arterial Circulation

Adenosine is a potent vasodilator used extensively to study the coronary circulation of animals. Its use in humans, however, has been hampered by lack of knowledge about its effects on the human coronary circulation and by concern about its safety. We investigated in humans the effects of adenosine, administered by intracoronary bolus (2-16 jig), intracoronary infusion (10-240 ,ug/min), or intr...

Intracoronary adenosine deaminase reduces canine myocardial reactive hyperemia.

We employed intracoronary infusions of calf intestine adenosine deaminase (ADA) to test the hypothesis that adenosine regulates coronary blood flow during myocardial reactive hyperemia (RH). Infusions of 4.5 U ADA/min per kg body weight into the left circumflex coronary artery of 10 open-chest dogs reversibly reduced repayment of flow debt by 30-39% (P less than 0.05) following 5-, 10-, 15-, 20...

Treatment of acute myocardial infarction with intracoronary administration of autologous