title: Anti-beta adrenoreceptor blockade activity of plasma ultrafiltrate in two uraemic patients: effect of parathyroidectomy.
abstract: A possible interaction between d-1 propranolol and hyperparathyroid plasma ultrafiltrate on guinea pig auricles has been studied in "in vitro" experiments. Plasma ultrafiltrates have been samples in two patients on chronci haemodialysis before (pre-PTx) and after (post-PTx) parathyroidectomy. A significant inhibition of propranolol depressant activity on cardiac contractile strength has been observed in the presence of pre-PTx plasma ultrafiltrates. On the contrary, no such inhibition was noted in the presence of post-PTx plasma ultrafiltrates.
mesh_terms: D000818:Animals; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects; D006325:Heart Atria / Q000187:drug effects; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D006961:Hyperparathyroidism / Q000209:etiology / Q000503:physiopathology* / Q000601:surgery; D066298:In Vitro Techniques; D008297:Male; D009200:Myocardial Contraction / Q000187:drug effects; D010280:Parathyroid Glands / Q000601:surgery*; D010281:Parathyroid Hormone / Q000097:blood*; D011433:Propranolol / Q000037:antagonists & inhibitors* / Q000494:pharmacology; D011941:Receptors, Adrenergic / Q000187:drug effects; D011943:Receptors, Adrenergic, beta / Q000187:drug effects; D006435:Renal Dialysis; D014511:Uremia / Q000097:blood / Q000150:complications / Q000503:physiopathology*
chemical_list: D010281:Parathyroid Hormone; D011941:Receptors, Adrenergic; D011943:Receptors, Adrenergic, beta; D011433:Propranolol