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Plasma antidiuretic hormone (ADH), PRA, plasma osmolality, and the parameters of renal water excretion were measured after overnight dehydration and for 5 h after an oral load in 14 patients with congestive heart failure (CHF) treated with diuretics (group 1), 8 hypertensive patients without CHF also treated with diuretics (group 2), and 11 patients with(More)
Plasma levels of vasopressin (AVP) were measured in ten insulin-dependent diabetic patients before and during intravenous administration of hypertonic glucose. Plasma glucose and plasma osmolality increased from 12.4 +/- 1.2 to 47.0 +/- 2.3 mmol/l and from 293 +/- 2.0 to 307 +/- 2.8 mosm/kg respectively. Plasma vasopressin increased in parallel from 5.6 +/-(More)
Mean arterial pressure, heart rate, plasma catecholamines, renin activity, and vasopressin changes induced by a 30-degree head-up tilt were studied before and during epidural anesthesia with bupivacaine in eight elderly patients (ages 58-82 yr). The tilt performed before epidural anesthesia did not modify mean arterial pressure, heart rate, plasma(More)
Urinary clearance of antidiuretic hormone (ADH) has been measured under basal conditions and during intravenous administration of arginine vasopressin in ten healthy subjects, and only under basal conditions in 18 patients with chronic renal failure and seven patients with acute renal failure at the polyuric phase of the disease. In healthy subjects studied(More)
Plasma atrial natriuretic peptide (ANP) was measured by radioimmunoassay in 10 patients with end-stage renal failure during two successive 150-min periods of ultrafiltration and perfusion of an identical fluid volume (1,800-2,400 ml). The patients were divided into two groups of 'denervated' and 'intact' patients based on three different tests for cardiac(More)