16th Scientific Meeting of the International Society of Hypertension --Jun: 1996

Selected Abstracts


This review was prepared by Dr. Carmine Zoccali (Reggio Calabira, Italy) and Dr. Alan Jardine (Glasgow, Scotland). Dr. Carmine Zoccali acted as coordinator. Additional reviews were supplied by Dr. Richard Dart (Marshfield, WI, USA).

Hypertension


Heart in hypertension

h Increased expression of TGF-beta isoforms by human monocytes of hypertensive patients

Endothelium, Nitric Oxide

h Urinary nitrate in humans: does it correlate with high blood pressure?

Fetal origins, birth weight

h Fetal origins of hypertension
h Vascular network geometry: the missing link between birth weight and cardiovascular risk?

Genetics

h Human renin-dependent hypertension in rats made transgenic for human angiotensinogen
h ACE insertion/deletion polymorphism is associated with carotid artery intima-media thickness, but not left ventricular mass, in a general population
h General comments on genetic association studies in hypertension
h Associaion analysis of microsatellite polymorphism for nitric oxide synthase gene in hypertensives
h Abnormal microvascular structure in subjects with familial predisposition to high blood pressure
h A genetic variant of methylene-tetrahydro-folate reductase (MTHFR) and risk of parental myocardial infarction
h Two putative functional variants of the ACE gene locus involved in the genetic determination of plasma ACE
h The insertion deletion polymorphism of the human ACE gene differentiates the response to enalaprilat in normotensive males
h Human hypertension caused by a single point mutation in the type 2 11-beta -hydroxysteroid dehydrogenase (h11 b-HSD2) gene
h An angiotensin-II type 1 microsatellite allele is associated with lower blood pressure
h Renin angiotensin system genetic variants and pressure load in cardiac hypertrophy

Vascular pathology

h Programmed cell death in vascular disease and hypertension

Kidney in hypertension

h Vitamin C induced recovery of the renal vasodilatory response to l- arginine in essential hypertension
h Counter-regulation of renal responses to L-arginine in hypertensive patients with renal insufficiency
h Does renal function influence the response to antihypertensive agents? Results from the HOT study

Salt (sodium, chloride) sensitivity

h Endothelial dysfunction in human salt-sensitive hypertension
h Uroguanylin: Circulating natriuretic peptide from the intestinal mucosa and heart
h Long-term effecs of neonatal sodium restriction on blood pressure
h Salt depletion impairs insulin sensitivity in NIDDM

Sleep, sleep apnea

h Sleep and blood pressure: Baroreflex sensitivity in dippers and non- dippers

Arm cuff

h Prediction of blood pressure trends in borderline hypertension

Role of exercise

h Four weeks of cycling augments forearm vasoconstrictor response to L-NMMA

Endocrine hypertension

h Production of adrenomedullin in human vascular endothelial cells
h Plasma proadrenomedullin N-terminal 20 peptide in patients with hypertension and renal failure
h Different plasma corticosteroid patterns in normotensive and hypertensive subjects

Hypercalciuria

h Blood pressure and bone density are inversely related in the elderly

Renovascular hypertension

h Renal artery stent placement slows progression of renovascular hypertension

Smoking, ethanol, substance abuse

h A prospective study of coffee intake and hypertension: The Johns Hopkins Precursors Study

ACE inhibitors

h Neutral endopeptidase inhibitors cause vasoconstriction in man

Calcium channel blockers

h Long-term study of calcium antagonists: Reassessment of the Furberg hypothesis

Dietary/electrolyte therapy

h Inverse relationship between dietary protein markers and blood pressure -- findings for 10,020 men and women in Intersalt


Dialysis, Chronic Renal Failure


Complications (acute)

d Vasodepressor syncope in haemodialysis patients

Cardiovascular/Hypertension

d Endogenous nitric oxide production in patients with chronic renal failure

Progression

d Ambulatory diastolic blood pressure lower than 80 mm Hg postpones decline in renal function in patients with chronic renal disease


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