Characterization of lymphocyte beta-adrenergic receptors at rest and during exercise in ambulatory patients with chronic congestive heart failure.


To investigate beta-adrenergic receptor dysfunction in congestive heart failure (CHF), the density of lymphocyte beta receptors and adenylate cyclase activity was measured at rest and at peak exercise in 30 patients with CHF and 7 age-matched control subjects. At rest, patients with CHF had reduced beta-receptor density (normals 33 +/- 2; CHF 21 +/- 2 fmol… (More)


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