abstract：:Plasma renin activity and the relationship of renin activity and sodium excretion were analyzed in 50 untreated essential hypertensives classified according to their erythrocyte Na+ transport abnormalities. Renin activity was inappropriately high in 7 patients with increased activity of Na+,Li+ countertransport, inapp...

journal_title：American journal of hypertension

authors： Arrázola A,Díez J

更新日期：1990-05-01 00:00:00

abstract：:The regulation of atrial natriuretic peptide (ANP) synthesis within cardiac atrial myocytes was investigated in 8 patients undergoing cardiac surgery (valve replacement or coronary bypass graft). Hemodynamic data were obtained during cardiac catheterization and venous plasma samples for ANP were withdrawn prior to sur...

journal_title：American journal of hypertension

authors： Haass M,Fischer TA,Hänze J,Saggau W,Lang RE,Dietz R

更新日期：1990-03-01 00:00:00

abstract：:High K diets prevent hypertensive endothelial injury and intimal thickening. Cholesterol esters often deposit during hypercholesterolemia. Would a high K diet influence cholesterol ester deposits? In a normal rat on a normal diet, no cholesterol esters are detected in the aorta. Stroke prone SHR rats were fed for 3 mo...

journal_title：American journal of hypertension

authors： Tobian L,Jahner TM,Johnson MA

更新日期：1990-02-01 00:00:00

abstract：:The levels and molecular form of atrial natriuretic peptide-like immunoreactivity (ANP-LI) in human atrial tissue were investigated. The levels of right atrial ANP-LI were significantly higher in mitral disease than in other cardiac or noncardiac diseases. The increased ANP-LI was mainly accounted for by an increase i...

journal_title：American journal of hypertension

authors： Naruse M,Hiroe M,Naruse K,Nagata M,Ohno H,Hashimoto A,Koyanagi H,Sekiguchi M,Demura H,Hirosawa K

更新日期：1990-02-01 00:00:00

abstract：:The role of renal sympathetic nerve activity (RSNA) in the maintenance phase of essential hypertension has not yet been clearly defined. Renal function and mean arterial pressure (MAP) were studied in four Yucatan miniature swine (YMS) with established DOCA hypertension prior to and for 3 weeks after surgical renal de...

journal_title：American journal of hypertension

authors： O'Hagan KP,Thomas GD,Zambraski EJ

更新日期：1990-01-01 00:00:00

abstract：:This study was performed to investigate the role of endogenous epinephrine in the regulation of vascular tone in hypertension. The release of endogenous epinephrine and norepinephrine from the vascular adrenergic neurons by periarterial nerve stimulation was examined in spontaneously hypertensive rats (SHR) and age-ma...

journal_title：American journal of hypertension

authors： Tsuda K,Tsuda S,Masuyama Y

更新日期：1990-01-01 00:00:00

abstract：:The results of 19 antihypertensive treatment trials spanning some 20 years of research showed that treatment had significant benefits for pressure-related complications of hypertension but generally did not prevent coronary artery disease morbidity or mortality. As possible reasons for this relative failure were explo...

journal_title：American journal of hypertension

authors： Rosenman RH

更新日期：1989-12-01 00:00:00

abstract：:The increased red blood cell Li+/Na+ exchange found in a subgroup of patients with essential hypertension (EH) may reflect an increased activity of the Na+/H+ exchange. The maximal velocity of the red cells' Na+/H+ (Na+ influx promoted by an outward H+ gradient) and Li+/Na+ (Li+ efflux promoted by external Na+) exchan...

journal_title：American journal of hypertension

authors： Semplicini A,Canessa M,Mozzato MG,Ceolotto G,Marzola M,Buzzaccarini F,Casolino P,Pessina AC

更新日期：1989-12-01 00:00:00

abstract：:This study examined the role of the lipoxygenase (LO) pathway in the maintenance of hypertension in rats with two-kidney, one clip (2K,1C) Goldblatt hypertension. A single dose of the lipoxygenase blocker phenidone was injected intraperitoneally to 2K,1C rats during the early phase (14 days) of the development of hype...

journal_title：American journal of hypertension

authors： Nozawa K,Tuck ML,Golub M,Eggena P,Nadler J,Stern N

更新日期：1989-11-01 00:00:00

abstract：:The different modes of antihypertensive action of beta-adrenoceptor blocking drugs are reviewed with a special emphasis on renal mechanisms of action. Beta-adrenoceptors occur in the kidney at the level of the juxtaglomerular and tubular cells. Direct intrarenal effects of beta-blockers include the decrease in renin r...

journal_title：American journal of hypertension

authors： Struyker-Boudier HA,Smits JF

更新日期：1989-11-01 00:00:00

abstract：:This double-blind placebo controlled study investigated the antihypertensive and humoral effects of nifedipine capsules in patients with essential hypertension inadequately controlled (seated diastolic blood pressure greater than or equal to 95 mm Hg) by hydrochlorothiazide (HCTZ) alone. Nifedipine acutely (first dose...

journal_title：American journal of hypertension

authors： Opsahl JA,Halstenson CE,Abraham PA

更新日期：1989-11-01 00:00:00

abstract：:Concentrations of sodium-transport inhibitors (STI) which block the sodium-potassium-ATPase pump are increased in the plasma and urine of volume-expanded and low-renin hypertensive humans and animals. To evaluate the physiologic relevance of STI to blood-pressure-raising mechanisms, we have examined the in vitro prope...

journal_title：American journal of hypertension

authors： Weber MA,Weiler E,Gonick HC,Prins BA,Purdy RE

更新日期：1989-10-01 00:00:00

abstract：:Several epidemiological and clinical studies have established a clear association between alcohol consumption and hypertension. The mechanism of the pressor effect of ethanol is not well understood. We studied the in vitro effects of increasing amounts of ethanol on different Na+ transport systems from human erythrocy...

journal_title：American journal of hypertension

authors： Coca A,Garay RP,Aguilera MT,De la Sierra A,Urbano-Márquez A

更新日期：1989-10-01 00:00:00

abstract：:To determine if a remodeling of the collagen matrix would occur in the absence of hypertrophy and cell necrosis and if such a remodeling could alter active and passive stiffness of the intact myocardium, five rats with genetic hypertension (SHR) were treated (SHRT) with hydralazine for 32 weeks, beginning at four week...

journal_title：American journal of hypertension

authors： Narayan S,Janicki JS,Shroff SG,Pick R,Weber KT

更新日期：1989-09-01 00:00:00

abstract：:Alterations in Na, K ATPase pump activity as well as erythrocyte (RBC) intracellular sodium concentration (Nai) have been demonstrated in humans and rats with established hypertension. The contribution of hypertension itself to these changes is unclear. Accordingly, we investigated RBC ion transport and plasma ouabain...

journal_title：American journal of hypertension

authors： McCormick CP,Hennessy JF,Rauch AL,Buckalew VM Jr

更新日期：1989-08-01 00:00:00

abstract：:Arterial hypertension is a powerful risk factor for cardiovascular disease, but the ability to use blood pressure measurements to predict complications in individual patients or small groups is limited. One possible approach to identifying hypertensive patients at high risk is based on the observation that the presenc...

journal_title：American journal of hypertension

authors： Devereux RB

更新日期：1989-08-01 00:00:00

abstract：:Recently, we described a circulating hypertensive factor, present in the plasma of spontaneously hypertensive rats (SHR). This factor seems to be produced by the parathyroid gland but is not identical to parathyroid hormone (PTH). In view of these findings, we attempted to search for histological differences in parath...

journal_title：American journal of hypertension

authors： Kaneko T,Ohtani R,Lewanczuk RZ,Pang PK

更新日期：1989-07-01 00:00:00

abstract：:To study the circulating humoral factor modifying transmembrane sodium transport, plasma was obtained from 12 patients with essential hypertension (EH) fed a high sodium diet (NaCl 15 to 17 g/d) for seven days and thereafter a low sodium diet (NaCl 2 to 3 g/d) for seven days. Ouabain-sensitive 86Rb+ influx into the re...

journal_title：American journal of hypertension

authors： Ashida T,Kuramochi M,Kojima S,Yoshimi H,Kawano Y,Kimura G,Abe H,Imanishi M,Yoshida K,Kawamura M

更新日期：1989-07-01 00:00:00

abstract：:Plasma glucose and insulin responses to an oral glucose challenge and insulin-stimulated glucose uptake were measured in 47 age-, weight-, and sex-matched lean white men (16 with normal blood pressure, 14 with untreated hypertension, nine treated with a thiazide diuretic only, and eight treated with combined diuretic ...

journal_title：American journal of hypertension

authors： Swislocki AL,Hoffman BB,Reaven GM

更新日期：1989-06-01 00:00:00

abstract：:The hypothesis that elevated Ca2+ intake lowers blood pressure in the spontaneously hypertensive rat (SHR) by altering intrinsic contractile properties of vascular smooth muscle was tested. The effect of 0.5, 1, and 2% Ca2+ in the diet on systolic blood pressure, serum-ionized Ca2+, and contractile properties of mesen...

journal_title：American journal of hypertension

authors： Bukoski RD,Xue H,McCarron DA

更新日期：1989-06-01 00:00:00

abstract：:To examine the effects of hypertension on renal graft function, we studied the clinical course of 144 kidney transplant recipients who had functioning grafts for three to 13 years. The patients were divided into three groups: normotensive (n = 32), controlled hypertensive (n = 49) and uncontrolled hypertensive group (...

journal_title：American journal of hypertension

authors： Cheigh JS,Haschemeyer RH,Wang JC,Riggio RR,Tapia L,Stenzel KH,Rubin AL

更新日期：1989-05-01 00:00:00

abstract：:During the course of a long-term, prospective, randomized study in 77 hypertensive nephrosclerosis patients, five patients developed evidence suggestive of renal artery stenosis. However, arteriography demonstrated patent renal arteries. The evidence suggestive of renal artery stenosis was: (1) converting-enzyme inhib...

journal_title：American journal of hypertension

authors： Pettinger WA,Mitchell HC,Lee HC,Redman HC

更新日期：1989-05-01 00:00:00

abstract：:Previous studies have shown that erythrocytes from the Milan hypertensive strain of rats (MHS) differ from erythrocytes from the control normotensive strain (MNS). These differences are determined within the stem cells, are genetically associated with the development of hypertension, and are similar to those found bet...

journal_title：American journal of hypertension

authors： Salardi S,Saccardo B,Borsani G,Modica R,Ferrandi M,Tripodi MG,Soria M,Ferrari P,Baralle FE,Sidoli A

更新日期：1989-04-01 00:00:00

abstract：:After a brief historic survey, sympathetic-neurogenic contributions to the multifactorial, polygenetically linked etiology of primary (essential) hypertension are outlined towards the background of experimental findings both in various rat models and in human subjects. It is emphasized how at least some variants of bo...

journal_title：American journal of hypertension

authors： Folkow B

更新日期：1989-03-01 00:00:00

abstract：:Experimental research using in vitro and in vivo models of vascular injury have delineated several common mechanisms that characterize the arterial damage in diseases such as atherosclerosis and hypertension. Changes in endothelial permeability, smooth muscle cell proliferation, and accumulation of connective tissue m...

journal_title：American journal of hypertension

authors： Weinstein DB,Heider JG

更新日期：1989-03-01 00:00:00

abstract：:Among the major mechanisms controlling the renal release of renin, renal nerves are known to exert a direct stimulating action on juxtaglomerular cells that is mediated by beta-adrenoceptors. Activation of the renal nerves also exerts an important permissive role in order to amplify and possibly accelerate responses t...

journal_title：American journal of hypertension

authors： Stella A,Golin R,Zanchetti A

更新日期：1989-02-01 00:00:00

abstract：:Recent works have shown the importance of blood pressure (BP) response to exercise or to daily activity as determinants of hypertensive cardiac hypertrophy. We have tested the relationship between BP and left ventricular (LV) mass in 23 normotensive young adults (mean age 25 +/- 5) with normotensive parents. Blood pre...

journal_title：American journal of hypertension

authors： Gosse P,Desrumeau GC,Roudaut R,Broustet JP,Dallocchio M

更新日期：1989-02-01 00:00:00

abstract：:Cultured vascular smooth muscle cells (VSMCs) of the spontaneously hypertensive rat (SHR) show a higher density (Bmax) of ANP receptors and a blunted cyclic (c) GMP response to the hormone. To explore the idea that a higher cytosolic free Ca2+ (Cai2+) may be responsible for a blunted cGMP response to ANP, we examined ...

journal_title：American journal of hypertension

authors： Nakamura M,Nakamura A,Hatori N,Fine BP,Aviv A

更新日期：1989-02-01 00:00:00

abstract：:Angiotensin-converting enzyme inhibitors (ACEIs), introduced in clinical practice in 1980, are a relatively new class of drugs. They have been useful in the treatment of hypertension, where they are effective monotherapy in 40% to 50% of the patients and in combination therapy in up to 90%. They are also useful in the...

journal_title：American journal of hypertension

authors： Kostis JB

更新日期：1989-01-01 00:00:00

abstract：:Patients with primary hyperparathyroidism (HPT) often have raised blood pressure but a simple cause-and-effect relationship has not been established. In 33 persons with probable primary HPT and mild hypercalcemia detected in a health survey, diastolic blood pressure (DBP) was significantly higher than among age- and s...

journal_title：American journal of hypertension

authors： Lind L,Wengle B,Wide L,Sörensen OH,Ljunghall S

更新日期：1988-10-01 00:00:00

abstract：:The role of dietary salt and calcium on changes in cellular cation metabolism has been evaluated in 11 salt-sensitive hypertensive black adults maintained on the following four metabolic diets for 56 days, 14 days on each diet in a repeated measures format: 356 mg Ca-1000 mg sodium (NA); 356 mg Ca-4000 mg Na; 934 Ca-1...

journal_title：American journal of hypertension

authors： Zemel MB,Kraniak J,Standley PR,Sowers JR

更新日期：1988-10-01 00:00:00

abstract：:The role of an endogenous sodium pump inhibitor in the pathogenesis of hypertension has been reported in several papers. Unfortunately, because of the unknown structure and lack of biochemical characterization, some discrepancies have arisen. In this study we report a method to obtain extracts from human plasma that a...

journal_title：American journal of hypertension

authors： Boschi S,Munarini A,Borghi C,Strocchi E,Costa FV,Mussi A,Ettore A

更新日期：1988-07-01 00:00:00

abstract：:The effects of dietary Na+ on 5 alpha- and 5 beta-reductase pathways of aldosterone metabolism in the liver were studied in male rats maintained on low, control, and high Na+ diets. A high Na+ diet caused significant increases in the synthesis of 5 beta-reduced metabolites, primarily 3 alpha, 5 beta-tetrahydroaldoster...

journal_title：American journal of hypertension

authors： Gorsline J,Latif SA,Morris DJ

更新日期：1988-07-01 00:00:00

abstract：:The nature of the cardiovascular response to isometric exercise is still debated. An adequate blood supply to exercising muscles at the onset of contraction seems to be an important factor controlling the extent of pressor response to isometric contraction. In comparison to normotensive subjects without familiar hyper...

journal_title：American journal of hypertension

authors： Borghi C,Costa FV,Boschi S,Ambrosioni E

更新日期：1988-07-01 00:00:00

abstract：:Previous work in this laboratory has shown that supplemental dietary calcium using milk as the source can lower blood pressure and serum cholesterol levels. Attempting to circumvent lactose intolerance, a 6-month crossover study of blood pressure and serum lipids in 50 free-living volunteers was done comparing 1,150 m...

journal_title：American journal of hypertension

authors： Bierenbaum ML,Wolf E,Bisgeier G,Maginnis WP

更新日期：1988-07-01 00:00:00

abstract：:To determine whether baroreflex is changed centrally before the development of hypertension in DOCA-salt treated rats, aortic depressor nerve was stimulated electrically 5 days after DOCA-salt treatment in urethane-anesthetized rats: compared with those of sham-operated control rats, blood pressure was not elevated in...

journal_title：American journal of hypertension

authors： Takeda K,Nakamura Y,Oguro M,Kawasaki S,Hayashi J,Tanabe S,Nakata T,Lee LC,Sasaki S,Nakagawa M

更新日期：1988-07-01 00:00:00

abstract：:Since young SHR excrete less urinary kallikrein than WKY, active and total kallikrein (A and T Kall, respectively) was measured (amidolytic assay) in the renal cortex of both strains. Neither at birth nor at age 4 weeks did renal T Kall differ between SHR and WKY. Renal A Kall was significantly lower in newborn SHR an...

journal_title：American journal of hypertension

authors： Ader JL,Tran-Van T,Praddaude F

更新日期：1988-07-01 00:00:00

abstract：:The aim of this study was to compare the efficacy (lowering diastolic blood pressure to 90 mm Hg or less) of urapidil, a postsynaptic alpha-blocker with central action with that of captopril in a randomized, double-blind, multicenter study. Two hundred ninety-five essential hypertensives (WHO I/II) (140 male, 155 fema...

journal_title：American journal of hypertension

authors： Rosenthal J,Schäfer N,Haerlin R,Wurst W,Solleder P

更新日期：1988-07-01 00:00:00

abstract：:The efficacy and safety of doxazosin (DOX) for the treatment of hypertension was investigated. A multicenter, double-blind, placebo-controlled, parallel design was employed. A 4-week placebo runin period was followed by a 9-week double-blind period during which patients were randomly assigned to placebo or 2, 4, or 8 ...

journal_title：American journal of hypertension

authors： Cubeddu LX,Pool JL,Bloomfield R,Klotman PE,Pickering BI,Wombolt DG,Nelson EB,Halperin A

更新日期：1988-04-01 00:00:00

abstract：:The purpose of this study was to examine the variability of 24-hour urinary and serum creatinine levels and creatinine clearance in normal subjects and to develop nomograms for assessing the adequacy of 24-hour urine collections. The data were from a longitudinal research program examining biochemical, hormonal, and h...

journal_title：American journal of hypertension

authors： James GD,Sealey JE,Alderman M,Ljungman S,Mueller FB,Pecker MS,Laragh JH

更新日期：1988-04-01 00:00:00