Abstract:
:Elgodipine is a new second-generation dihydropyridine calcium antagonist. Its hemodynamic and antiischemic properties were evaluated in a single-blind, placebo-controlled trial in 22 males with chronic stable angina. Coronary artery disease was angiographically confirmed. Measurements were performed with a Swan-Ganz thermodilution catheter during a 30-minute period of rest and before the end of a 4-minute bicycle exercise test at maximum individual workload, both with placebo (IV infusion of 5 ml saline over 30 minutes) and elgodipine (10 micrograms/kg/2 min bolus IV, then IV infusion of 1 micrograms/kg/min for 28 minutes. Elgodipine caused very similar hemodynamic changes at rest and during exercise. Its major hemodynamic modification was the marked decrease in systemic vascular resistance, which was accompanied by an increase in cardiac index and stroke volume. Mean arterial blood pressure was slightly reduced, whereas the opposite small increase in heart rate meant that the double product remained unchanged. Contrary to resting conditions, pulmonary capillary wedge pressure, pulmonary artery pressures, pulmonary vascular resistance, and mean right atrial pressure remained normal or increased to a lesser extent during exercise after elgodipine. After elgodipine ischemic ST depression during exercise was diminished, and 11 of 16 assessable patients remained free from angina pectoris. We conclude that elgodipine is an efficacious antianginal drug. Its major mechanism of action is lowering of systemic vascular resistance. Thus elgodipine improves systolic cardiac function in patients with chronic stable angina and may delay the onset of ischemic diastolic dysfunction during exercise, as indicated by a normal left ventricular end-diastolic pressure (LVEDP). The data also suggest an improvement in coronary blood flow during exercise.
journal_name
Cardiovasc Drugs Therjournal_title
Cardiovascular drugs and therapyauthors
Kuhn A,Carlsson J,Miketic S,Tebbe Udoi
10.1007/BF00878092subject
Has Abstractpub_date
1995-08-01 00:00:00pages
595-600issue
4eissn
0920-3206issn
1573-7241journal_volume
9pub_type
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