نتایج جستجو برای: 123 metaiodobenzylguanidine
تعداد نتایج: 18791 فیلتر نتایج به سال:
BACKGROUND Heart Rate Recovery (HRR) reflects the capacity of the cardiovascular system to reverse the vagal withdrawal caused by exercise. Scintigraphy with metaiodobenzylguanidine (I(123) MIBG) evaluates innervation and cardiac adrenergic activation. The association of these two methods is not well established. OBJECTIVE To evaluate the association between HRR and washout rate (WO) of I(123...
OBJECTIVE Short-acting loop diuretics are known to enhance cardiac sympathetic nerve activity (CSNA) in patients with chronic heart failure (CHF). The effects of two loop diuretics-long-acting azosemide and short-acting furosemide-on CSNA were evaluated using (123)I-metaiodobenzylguanidine (MIBG) scintigraphy in patients with CHF. METHODS The present study was a subanalysis of our previously ...
Background: Pheochromocytomas (PCCs) are catecholamine-producing neuroendocrine tumors that originate from the adrenal medulla. Their clinical presentations most commonly include hypertension, headache, palpitations, and sweating; however, PCCs sometimes normotensive clinically silent. Case Presentation: A female patient with abdominal pain as well persistent crushing left flank for past six mo...
UNLABELLED Left ventricular (LV) systolic function in hypertrophic cardiomyopathy (HCM) is usually normal. Late in the disease, however, LV systolic dysfunction and dilatation are recognized. Although abnormalities in cardiac sympathetic nerve activity in patients with HCM have been demonstrated using (123)I-metaiodobenzylguanidine (MIBG) myocardial scintigraphy, the changes of cardiac sympathe...
Pheochromocytoma is a tumour of the chromaffin tissue. It may, through catecholamine release, have deleterious effects on myocardial structure. A 48-year-old woman with a history of hypertension and type II diabetes mellitus (ASA II) was diagnosed of pheochromocytoma-induced myocarditis, which caused severe cardiogenic shock, with an ejection fraction of 20%. Extreme blood pressure swings requi...
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