نتایج جستجو برای: volume depletion

تعداد نتایج: 375581  

Journal: :Clinical science 1980
N C Trippodo L P Ziegler

1. During the development and maintenance of one-kidney, one-clip hypertension in rats, there were no significant differences in blood volume or interstitial fluid pressure compared with one-kidney control rats. 2. Rats with one-kidney, one-clip hypertension of 25 days' duration were either unclipped, sham-operated or nephrectomized. Over 24 h the changes in arterial pressure, blood volume and ...

1950
R. N. Chaudhuri

Cholera presents a picture of mixed salt and water depletion, its most outstanding feature being dehydration with consequent haemoconcentration and peripheral circulatory failure. A patient may lose fluid enormously, and in very bad cases we have observed the plasma reduced as low as to one half its volume though the total blood volume was not markedly altered. Treatment consists mainly in repl...

Journal: :Clinical science 1970
R G Dluhy G L Wolf D P Lauler

1. Ethacrynic acid reduces renal vascular resistance of the isolated dog kidney. 2. Ethacrynic acid induced natriuresis can occur despite stabilization of renal blood flow, but augmentation of blood flow increases the natriuretic response. 3. Vasodilatation and natriuresis after ethacrynic acid administration occurred together in time and were not separable. The onset and peak natriuretic and v...

2014
Bethan L Barker Susan McKenna Vijay Mistry Mitesh Pancholi Hemu Patel Koirobi Haldar Michael R Barer Ian D Pavord Michael C Steiner Christopher E Brightling Mona Bafadhel

BACKGROUND Nutritional depletion is an important manifestation of chronic obstructive pulmonary disease (COPD), which has been related to systemic inflammation. It remains unclear to what degree airway inflammation contributes to the presence or progression of nutritional depletion. OBJECTIVES To determine whether airway inflammation and lung bacterial colonization are related to nutritional ...

Journal: :The Journal of clinical investigation 1997
S Okubo F Niimura H Nishimura F Takemoto A Fogo T Matsusaka I Ichikawa

Wild-type (Agt+/+) and homozygous angiotensinogen deletion mutant (Agt-/-) littermates were placed on normal (NS) or low Na diet (LS) for 2 weeks. Plasma aldosterone levels (P(aldo)) were comparable during NS, and similarly elevated during LS in Agt+/+ and Agt-/-. Moreover, in both, the elevation in P(aldo) was accompanied by marked increase in adrenal zona glomerulosa cells and adrenal P450ald...

2015
Sylvia Kalainy Ryan Reid Kailash Jindal Neesh Pannu Branko Braam

BACKGROUND Achievement of normal volume status is crucial in hemodialysis (HD), since both volume expansion and volume contraction have been associated with adverse outcome and events. OBJECTIVES The objectives of this study are to assess the prevalence of fluid volume expansion and depletion and to identify the best clinical parameter or set of parameters that can predict fluid volume expans...

Journal: :Bulletin of the National Research Centre 2021

Abstract Background Climate change and increasing demand in non-agricultural sectors profoundly affect the availability quality of water resources for irrigated agriculture. The FAO AquaCrop simulation model provides a sound theoretical framework to investigate crop yield response environmental stress. This has successfully simulated growth as influenced by varying soil moisture environments cr...

Journal: :American journal of physiology. Lung cellular and molecular physiology 2013
Robert Tarran Juan R Sabater Tainya C Clarke Chong D Tan Catrin M Davies Jia Liu Arthur Yeung Alaina L Garland M Jackson Stutts William M Abraham Gary Phillips William R Baker Clifford D Wright Sibylle Wilbert

Mucus clearance is an important component of the lung's innate defense system. A failure of this system brought on by mucus dehydration is common to both cystic fibrosis (CF) and chronic obstructive pulmonary disease (COPD). Mucus clearance rates are regulated by the volume of airway surface liquid (ASL) and by ciliary beat frequency (CBF). Chronic treatment with macrolide antibiotics is known ...

2015
Paolo Pasquero Stefano Albani Elena Sitia Anna Viola Taulaigo Lorenzo Borio Paola Berchialla Franco Castagno Massimo Porta

BACKGROUND Changes of volume status can be readily inferred from variations in diameter of the inferior vena cava (IVC) measured by ultrasound. However the effect of IVC changes following acute blood loss are not fully established. In this study, three different approaches to measuring IVC variables were compared in healthy blood donors, as a model of acute volume depletion, in order to establi...

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