title: Urinary albumin excretion in patients with renovascular hypertension.
abstract: Twenty-four hour urinary excretion of albumin (UEalb), IgG and beta-2 microglobulin was investigated at a 3 hour-interval in a control group (C) of healthy subjects, in 30 patients with renovascular hypertension (RVH), and in 16 patients with essential hypertension (EH). Mean UEalb in RVH was significantly higher than in C. A significant direct correlation was demonstrated between diastolic blood pressure and UEalb (p < 0.01). Microalbuminuria (MA) > or = 30 micrograms.min-1 was found in about 18% of RVH patients; it was higher than 16.7 micrograms.min-1 in approx. 31%. These results did not substantially differ from those obtained in patients with EH. The cause for increased UEalb in hypertensive patients may be functional, haemodynamic changes, or structural ones. In either case, MA indicates renal injury, and these patients should be given increased attention when monitoring their blood pressure and when selecting antihypertensive drugs.
authors.affiliation: Institute for Clinical and Experimental Medicine, Prague, Czech Republic.
authors.forename: M
authors.initials: M
authors.lastname: Růzicka
authors.forename: J
authors.initials: J
authors.lastname: Stríbrná
authors.forename: M
authors.initials: M
authors.lastname: Englis
authors.forename: V
authors.initials: V
authors.lastname: Lánská
authors.forename: J
authors.initials: J
authors.lastname: Skibová
authors.forename: J
authors.initials: J
authors.lastname: Peregrin
mesh_terms: D000328:Adult; D000419:Albuminuria; D002940:Circadian Rhythm; D005260:Female; D006801:Humans; D006973:Hypertension / Q000652:urine; D006978:Hypertension, Renovascular / Q000652:urine*; D007074:Immunoglobulin G / Q000652:urine; D008297:Male; D008875:Middle Aged; D001613:beta 2-Microglobulin / Q000652:urine
chemical_list: D007074:Immunoglobulin G; D001613:beta 2-Microglobulin