نتایج جستجو برای: renovascular resistance
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BACKGROUND Pregnancy losses and atherosclerotic disease may be etiologically linked through underlying pathology. We examined whether miscarriage and stillbirth increase later risk of myocardial infarction, cerebral infarction, and renovascular hypertension. METHODS AND RESULTS Among women pregnant at least once between 1977 and 2008, we identified a cohort of women with miscarriages, stillbi...
INTRODUCTION Renovascular hypertension in children is a very rare illness. It occurs as a result of the imbalance between hypotensive and hypertensive systems. Renal ischaemia (95% of the cases) and the shortening of hipotensive factors (5% of the cases) are responsible for the production mechanism of renovascular hypertension in children. In order to make an early diagnosis regarding the renov...
Cardiac output and arterial pressure in the conscious state were observed in one-clip, two-kidney renovascular hypertensive rats with a chronically implanted electromagnetic flow probe and an arterial cannula. Normal Wistar rats were used as controls. At rest, cardiac output per body weight did not show any difference between hypertensive rats and normal controls. This kind of experimental hype...
UNLABELLED Interventional radiologic procedures offer a significant and expanding role in the management of various renovascular diseases including renal artery stenosis, renal artery aneurysm and pseudoaneurysm, renal vascular malformations, renal tumours, trauma, and resistant hypertension. In this article, we discuss these entities in the context of currently accepted definitions, incidence,...
Dipeptidyl peptidase IV converts neuropeptide Y(1-36) (Y(1)-receptor agonist released from renal sympathetic nerves) to neuropeptide Y(3-36) (selective Y(2)-receptor agonist). Previous studies suggest that Y(1), but not Y(2), receptors enhance renovascular responses to angiotensin II in kidneys from genetically-susceptible animals. Therefore, we hypothesized that inhibition of dipeptidyl peptid...
1. The haemodynamic effects of oral converting enzyme inhibitor (SQ 14225) were assessed in eight patients with severe essential or renovascular hypertension. 2. Mean arterial pressure fell (149 +/- 5 to 127 +/- 8 mmHg, P less than 0.02), because of a fall in total peripheral resistance (6.9 +/- 0.53 to 5.7 +/- 0.40 kPa 1(-1)s m2) without a significant change in cardiac index. Two of the eight ...
Increased (intra)renal activity of the renin-angiotensin system may cause a persistent increase in renovascular resistance and intraglomerular pressure in patients with diabetes, thus contributing to the development of diabetic renal damage. The effect of chronic angiotensin II subtype 1 receptor blockade on (intra)renal hemodynamics in patients with type 2 diabetes was examined in a double-bli...
The participation of substance P in the pathogenesis of five models of experimental hypertension, ie, DOCA-salt, subtotal nephrectomy, one-kidney-one clip renovascular, two-kidney-one clip renovascular, and spontaneous hypertension, was evaluated via an acute infusion of a newly synthesized potent, specific nonpeptide antagonist of substance P at the NK-1 receptor, the agent CP 96,345. In consc...
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