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mineral corticoid receptor antagonist

Stefan Rupp, Christian Jux
While in adults major advances in heart failure therapy in patients with dilated cardiomyopathy were documented in the last two decades, research on the mechanism and therapies of heart failure in children with left ventricular dilated cardiomyopathy has lagged behind. Despite the lack of sufficient randomized prospective studies, ACE inhibitors are first line and ß-receptor antagonists are second-line strategies in children. Following the adult guidelines, without having data concerning the pediatric population, mineral corticoids are also accepted in the treatment of pediatric heart failure, while diuretics should only be used to achieve a euvolemic status...
March 22, 2018: Heart Failure Reviews
Masanobu Miura, Koichiro Sugimura, Yasuhiko Sakata, Satoshi Miyata, Soichiro Tadaki, Takeshi Yamauchi, Takeo Onose, Kanako Tsuji, Ruri Abe, Takuya Oikawa, Shintaro Kasahara, Kotaro Nochioka, Jun Takahashi, Hiroaki Shimokawa
BACKGROUND: It remains to be elucidated whether addition of renin-angiotensin-aldosterone system (RAAS) inhibitors and/or β-blockers to loop diuretics has a beneficial prognostic impact on chronic heart failure (CHF) patients. METHODS AND RESULTS: From the Chronic Heart failure Analysis and Registry in the Tohoku district 2 (CHART-2) Study (n=10,219), we enrolled 4,134 consecutive patients with symptomatic stage C/D CHF (mean age, 69.3 years, 67.7% male). We constructed Cox models for composite of death, myocardial infarction, stroke and HF admission...
May 25, 2016: Circulation Journal: Official Journal of the Japanese Circulation Society
V A Serov, A M Shutov, D V Serova, E Iu Shmel'kova, S V Shevchenko
AIM: To define the prognostic value of arterial hypotension (AH) episodes in patients with chronic heart failure (CHF). SUBJECTS AND METHODS: One hundred and ninety-nine patients (mean age 57.2 +/- 10.5 years) were examined. Functional Class I, II, III, and IV CHF was diagnosed in 24, 92, 82, and 1 patients, respectively. The cause of CHF was coronary heart disease concurrent with hypertensive disease in 160 patients. AH was diagnosed when their blood pressure (BP) was < or = 100/60 mm Hg during medical visits and daytime BP < or = 100/60 mm Hg and nocturnal BP < or = 85/47 mm Hg were measured during 24-hour BP monitoring (BPM)...
2014: Terapevticheskiĭ Arkhiv
Pierpaolo Pellicori, Concetta Torromeo, Angela Calicchia, Alessandra Ruffa, Martina Di Iorio, John G F Cleland, Manuela Merli
Subtle abnormalities of cardiac structure or function are often identified in patients with liver cirrhosis and have been termed cirrhotic cardiomyopathy. However, in the absence of a precise definition, its diagnosis remains a challenge. Cardiac dysfunction in patients with cirrhosis can often be attributed to concomitant diseases such as hypertension, ischaemic heart disease or excess alcohol consumption in many patients. Further research is required to identify the existence, origin and importance of abnormal cardiac function due specifically to liver disease...
December 2013: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
Teiko Ohashi, Keiko Uchida, Shinichi Uchida, Sei Sasaki, Kosaku Nitta
BACKGROUND: We reported that nephrin is phosphorylated at Y1204 and Y1228 under normal conditions and that the phosphorylation is decreased in puromycin nephrosis and in human minimal change nephrosis. These results indicate that the phosphorylation of nephrin is important for maintaining normal podocyte function. However, little is known about the regulation of nephrin phosphorylation. Here, we investigated whether glucocorticoid, a drug used to treat glomerular diseases with proteinuria, might affect the phosphorylation of nephrin...
October 2011: Clinical and Experimental Nephrology
Mitsutoshi Kimura, Hajime Moteki, Masahiko Ogihara
We investigated the effects of dexamethasone on epidermal growth factor (EGF)-induced DNA synthesis and proliferation in serum-free primary cultures of adult rat hepatocytes. Isolated hepatocytes were cultured at a density of 3.3 × 10⁴ cells/cm² in Williams' medium E containing 5% bovine calf serum and various concentrations of dexamethasone for 1, 2 and 3 h. After the 3-h attachment period, the medium was changed, and cells were cultured in serum-free and dexamethasone-free Williams' medium E with or without glucocorticoid receptor antagonists...
2011: Biological & Pharmaceutical Bulletin
Shusuke Yagi, Masashi Akaike, Ken-ichi Aihara, Takashi Iwase, Sumiko Yoshida, Yuka Sumitomo-Ueda, Yasumasa Ikeda, Kazue Ishikawa, Toshio Matsumoto, Masataka Sata
Cognitive impairment leading to dementia is associated with high prevalence of hypertension, decreased quality of life and poor prognosis. Aldosterone is known as a risk factor for cardiovascular and cerebrovascular diseases. In addition, mineral corticoid receptors are abundantly expressed in the hippocampus, which plays a pivotal role in cognitive function; however, it has not been determined whether plasma aldosterone level is associated with cognitive impairment in patients with hypertension. We enrolled 68 patients with essential hypertension and assessed their cardiovascular risk factors, including blood pressure, hyperlipidemia, diabetes mellitus, obesity, smoking, history of cerebral infarction, renal function, parameters of inflammation, oxidative stress and nitric oxide bioavailability, a parameter of cerebral blood flow and carotid plaque by ultrasound examination, plasma renin activity and plasma aldosterone concentration (PAC)...
January 2011: Hypertension Research: Official Journal of the Japanese Society of Hypertension
R Adamec, C Muir, M Grimes, K Pearcey
The roles of beta-NER (beta-noradrenergic receptor), GR (glucocorticoid) and mineral corticoid receptors (MR) in the consolidation of anxiogenic effects of predator stress were studied. One minute after predator stress, different groups of rats were injected (ip) with vehicle, propranolol (beta-NER blocker, 5 and 10 mg/kg), mifepristone (RU486, GR blocker, 20 mg/kg), spironolactone (MR blocker, 50 mg/kg), propranolol (5 mg/kg) plus RU486 (20 mg/kg) or the anxiolytic, chloradiazepoxide (CPZ, 10 mg/kg). One week later, rodent anxiety was assessed in elevated plus maze, hole board, light/dark box, social interaction and acoustic startle...
May 16, 2007: Behavioural Brain Research
M Timio, P Saronio, S Venanzi, G Bellomo, F Timio
Diuretics are an integral part of the management of symptomatic heart failure. Although they have been used for several decades, there is still some ambiguity and confusion regarding the outcome and the optimal way of using these common agents. There are no large-scale randomized controlled trials that have evaluated the effect of diuretics on mortality and long-term morbidity in diastolic and systolic dysfunction. Nonetheless, in short-term studies furosemide has demonstrated to reduce symptomatic congestive heart failure and hospitalization, and to improve exercise capacity in the setting of systolic dysfunction...
January 2006: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
M E Lopes, P Le Corvoisier, J Y Tabet, J B Su, T Badoual, J C Cachin, P Merlet, A Castaigne, L Hittinger
UNLABELLED: THE ROLE OF ALDOSTERONE: Aldosterone is the key hormone in salt-water homeostasis. In heart failure, it participates in the appearance and maintenance of signs of congestion. Predominantly synthesised in the glomerular area of the cortico-adrenal glands, extra adrenal production areas have recently been identified notably in the brain, the heart and the large artery trunks. Aldosterone is activated in the cells by the intracellular mineral corticoid receptor. IN CARDIOVASCULAR-PATHOLOGIES: In chronic heart failure, patients treated with conversion enzyme inhibitor may escape from the renin-angiotensin blockade and this may lead to increased aldosterone plasma levels...
January 18, 2003: La Presse Médicale
T Saito
Hyponatremia is more frequently observed in elderly patients associated with exaggerated response of ADH release and attenuated response of renin-aldosterone system. Differentiation of SIADH and hyponatremia other than SIADH is essential in anticipating the therapeutic effect of water restriction to correct hyponatremia. Serum concentration of uric acid and urinary excretion of kallikrein are significant parameters in biochemical discrimination index to differentiate these two types of hyponatremia. In addition to sodium replacement, water restriction and mineral corticoid, newly developed non-peptide ADH V2 receptor antagonist, OPC-31260, seems to be a useful tool to correct hyponatremia...
October 1996: Nihon Jinzo Gakkai Shi
Ia I Azhipa, Iu A Akimov, A I Grishchenko, A A Rodionov
It has been established that the lesion of the sciatic nerve, accompanied by a disturbance of normal neurotrophic provision of a kidney as a result of coming to the organ of the perverted nervous stimuli (by the neuro-conductive path through sympathetic nerves and by participation of the hypothalamus--hypophysis--peripheral glands system), leads to disturbance of functioning of mineral-corticoid receptors of kidneys. It has been also established that simultaneous pharmacological blockade of neuro-conductive and humoral pathways of transmission to the kidney of pathological stimuli from the central stump of the cut sciatic nerve prevents the development of trophic organ disturbances, tested by the state of the kidney mineral-corticoid receptor apparatus, while pharmacological stimulation of sympathetic nervous system leads to the greater disturbance of aldosterone reception by the cells of kidney channels...
May 1992: Zhurnal Vyssheĭ Nervnoĭ Deiatelnosti Imeni I P Pavlova
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