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  • Title: [Pheochromocytoma, acute myocardial infarction and silent postprandial ischemia].
    Author: Juncal A, Figueras J.
    Journal: Rev Esp Cardiol; 1996 Jan; 49(1):73-6. PubMed ID: 8685516.
    Abstract:
    We report the case of a 70 years-old patient admitted for an acute anterior myocardial infarction and who subsequently presented postprandial episodes of astenia, dyaphoresis and arterial hypertension associated with re-elevation of the ST segment and positivization of T waves in the precordial leads, without chest pain. These episodes were interpreted as silent postprandial myocardial ischemia. A coronary angiography demonstrated a single vessel disease with a severe and proximal stenosis of the left descending coronary artery which was successfully dilated during angioplasty. However, the postprandial episodes persisted and re-estenosis was ruled out in a repeated coronary angiogram. A stress thallium myocardial scintigraphy was negative. Complementary tests documented the existence of a pheochromocyctoma and the refered postprandial symptoms did not recur after removal of the tumor. Thus, the persistence of postprandial episodes of myocardial ischemia associated with severe hypertension and dyaphoresis in the absence of a significant coronary stenosis, may possibly be related to a concomitant coronary and systemic vasoconstriction secondary to the adrenal tumor.
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