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  • Title: Preliminary results with the clonidine suppression test in the diagnosis of pheochromocytoma.
    Author: Brandstetter K, Krause U, Beyer J.
    Journal: Cardiology; 1985; 72 Suppl 1():157-9. PubMed ID: 4053124.
    Abstract:
    23 patients presenting with symptoms of pheochromocytoma were subjected to the clonidine suppression test. In 6 patients, in whom a pheochromocytoma was surgically approved later on, norepinephrine was not suppressed by clonidine. 17 patients in whom a secondary form of hypertension could be excluded by other diagnostic measures showed a marked decrease of plasma norepinephrine. Apart from drowsiness, no adverse side effects were observed. In our hands, the clonidine test proved as a safe and specific test in the diagnosis of pheochromocytoma.
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