نتایج جستجو برای: renovascular resistance

تعداد نتایج: 377104  

Journal: :Hypertension 1991
T A Buchanan G F Sipos S Gadalah K P Yip D J Marsh W Hsueh R N Bergman

To test whether hypertension can cause hyperinsulinemia or insulin resistance, we performed intravenous glucose tolerance tests at 1 month and euglycemic clamps at 3 months after induction of two-kidney, one clip renovascular hypertension in rats. At 1 month, systolic pressure was higher in 21 clipped than in 12 control animals (161 +/- 5 mm Hg, range 134-187 mm Hg versus 119 +/- 3 mm Hg, range...

2005
Erling A. Anderson Allyn L. Mark

The last several years have witnessed tremendous interest in the hypothesis that insulin resistance and hyperinsulinemia contribute to the pathogenesis of hypertension. This hypothesis was stimulated by epidemiological studies that demonstrated an association between obesity, insulin resistance, and hypertension.Subsequent studies suggested that even lean individuals with essential hypertension...

Journal: :American journal of physiology. Renal physiology 2016
Elizabeth B Oliveira-Sales Mirian A Boim

Renal artery stenosis is the main cause of renovascular hypertension and results in ischemic nephropathy characterized by inflammation, oxidative stress, microvascular loss, and fibrosis with consequent functional failure. Considering the limited number of strategies that effectively control renovascular hypertension and restore renal function, we propose that cell therapy may be a promising op...

Journal: :American journal of hypertension 2013
Rosane A Ribeiro Charlis Raineki Osni Gonçalves Celso R Franci Aldo B Lucion Gilberto L Sanvitto

BACKGROUND Hypertension is a major public health epidemic that is highly associated with sexual dysfunction in both men and women. Despite its high prevalence, clinical and animal literature on the underlying mechanisms of sexual dysfunction in hypertensive women is remarkably limited. METHODS Using a well-established rodent model of renovascular hypertension-the 2-kidney, 1-clip (2K1C) Goldb...

Journal: :Hellenic journal of cardiology : HJC = Hellenike kardiologike epitheorese 2012
Helen Triantafyllidi John Papadakis Elias Brountzos Chrysa Arvaniti Konstantinos Theodoropoulos Ioannis Panayiotides Alexandros Georgakopoulos Marinella Tzanela Evangelina Vassilatou John Lekakis Maria Anastasiou-Nana

Neurofibromatosis (NF1) is a relatively common autosomal dominant disorder. Secondary causes of hypertension, such as renovascular disease, coarctation of the abdominal aorta or phaeochromocytoma, may be identified in up to 1% of patients with NF1. Usually, renal angiography, which is always used to confirm the diagnosis of renovascular hypertension, reveals stenoses and rarely bilateral or uni...

Journal: :Hypertension 1981
V J Dzau L G Siwek S Rosen E R Farhi H Mizoguchi A C Barger

To examine the sequential renal hemodynamic changes in experimental renovascular hypertension, the uninephrectomized dog was studied immediately after renal artery constriction, throughout chronic benign hypertension, and during malignant hypertension. Intrarenal resistance fell immediately after renal artery constriction, but rose above control within hours. Intrarenal infusion of teprotide re...

Journal: :Journal of Medical Case Reports 2007
Abdel-Rauf Zeina Wolfson Vladimir Elisha Barmeir

BACKGROUND Renovascular hypertension is defined as hypertension caused by renal artery stenosis. The two main etiologies are atherosclerosis and fibromuscular dysplasia. Fibromuscular dysplasia in an accessory renal artery as a cause of renovascular hypertension is uncommon. CASE PRESENTATION In this report, we present a relatively uncommon case of renovascular hypertension in a 35-year-old f...

2006
M AWAZU M SHIMIZU H HOJO E KOHDA

Five children with renovascular hypertension were treated with percutaneous transluminal angioplasty, and followed for 12 to 32 months. Blood pressure fell to normal in four patients and improved in one. Angiographic and endocrinological improvements were associated with a fall in blood pressure and no complications were observed. Angioplasty is considered a safe, effective treatment for childr...

2012
S. HALIM F. W. LOHMANN M. Molzahn

1. In eight normal subjects, ten patients with labile hypertension, six with advanced essential hypertension and six with renovascular hypertension, plasma renin concentration, cardiac output, mean arterial pressure, clearances of creatinine and p-aminohippurate (PAH), and sodium excretion were measured before and after 30 min of 45" upright tilting. Changes in plasma adrenaline and noradrenali...

Journal: :Hypertension 1991
E Miyajima Y Yamada Y Yoshida T Matsukawa H Shionoiri O Tochikubo M Ishii

Previous studies, including our own, have demonstrated that muscle sympathetic nerve activity (MSNA) is increased in patients with essential hypertension compared with normotensive subjects. However, the features of sympathetic nerve activity are still unknown in secondary hypertension. We examined MSNA in eight patients with renovascular hypertension and in 11 patients with primary aldosteroni...

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