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  • Effects of oral dipyridamole on coronary dynamics and myocardial metabolism at rest and during pacing-induced angina in patients with coronary artery disease
  • Add time:08/13/2019         Source:sciencedirect.com

    The effects of oral dipyridamole administration (150 mg) on coronary hemodynamics, myocardial metabolism, and pacing threshold were studied in 10 patients with significant coronary artery disease (CAD). Following dipyridamole through 120 minutes, there was no significant change in resting heart rate, arterial pressure, coronary venous flow, coronary resistance, myocardial lactate extraction, or myocardial oxygen consumption. Rapid atrial pacing performed before and at 60, 90, and 120 minutes after dipyridamole failed to demonstrate any significant reduction in pacing threshold or evidence of increased ischemia after dipyridamole. Blood dipyridamole levels showed variable and slow absorption which probably explains the difference between intravenous and oral dipyridamole on coronary dynamics and myocardial response to pacing.

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