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Keyword: sodium excretion
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Articles
Clin Sci (Lond) (2014) 126 (2): 147–154.
Published: 19 September 2013
...Renata Libianto; George Jerums; Que Lam; Angela Chen; Sara Baqar; Felicity Pyrlis; Richard J. Macisaac; John Moran; Elif I. Ekinci Although low dietary salt intake has beneficial effects on BP (blood pressure), low 24hUNa (24 h urinary sodium excretion), the most accurate estimate of dietary salt...
Articles
Clin Sci (Lond) (2005) 109 (3): 311–317.
Published: 24 August 2005
... study was to investigate the responsiveness of circulating Ang II on PRA (plasma renin activity) in normotensive subjects with a PFH or NFH (positive or negative family history of hypertension respectively). PRA, renal haemodynamics and urinary sodium excretion were measured during infusion of Ang II...
Articles
Clin Sci (Lond) (2002) 102 (1): 91–98.
Published: 10 December 2001
... creatinine clearance glomerular filtration rate lithium clearance liver cirrhosis sodium excretion 91Clinical Science (2002) 102, 91 98 (Printed in Great Britain) Cimetidine administration and tubular creatinine secretion in patients with compensated cirrhosis Giovanni SANSOEA *, Alberto FERRARI...
Articles
Clin Sci (Lond) (2001) 101 (3): 275–283.
Published: 03 August 2001
... of both lean and obese Zucker rats. This was done using the NO synthase inhibitors N G -nitro- l -arginine methyl ester ( l -NAME), 7-nitroindazole and aminoguanidine. In lean rats, cumulative urinary sodium excretion (cu U Na V ) after 40 min of VE in the innervated kidney was enhanced by 48% in l...
Articles
Clin Sci (Lond) (1999) 97 (4): 457–465.
Published: 24 August 1999
...-PGF 1α excretion during and after exercise. Excretion rates for PGE 2 did not change. Neither indomethacin nor nabumetone changed baseline values or exercise-induced decreases in renal plasma flow or glomerular filtration rate. Indomethacin, but not nabumetone, decreased sodium excretion, urine flow...
Articles
Clin Sci (Lond) (1998) 95 (6): 693–699.
Published: 01 December 1998
...Nadine MAYBAUM; Elena GORODETSKY; Marta WEINSTOCK 1. We have previously shown that normotensive rabbits with a genetic impairment in arterial baroreflex sensitivity showed a delayed sodium excretion and failed to increase their renal blood flow in response to a saline infusion that did not alter...
Articles
Clin Sci (Lond) (1998) 94 (3): 287–292.
Published: 01 March 1998
... bumetanide excretion. NH 4 Cl enhances aldosterone secretion and diuretic-induced kaliuresis. 3 10 1997 25 11 1997 © 1998 The Biochemical Society and the Medical Research Society 1998 bumetanide loop diuretic metabolic acidosis metabolic alkalosis sodium excretion Clinical...
Articles
Clin Sci (Lond) (1996) 90 (4): 287–293.
Published: 01 April 1996
... 1995 19 12 1995 4 1 1996 © 1996 The Biochemical Society and the Medical Research Society 1996 cardiopulmonary baroreceptors conscious rabbits high salt intake plasma renin activity renal sympathetic nerves sodium excretion Clinical Science (1996) 90, 287-293 (Printed in...
Articles
Clin Sci (Lond) (1994) 87 (3): 323–328.
Published: 01 September 1994
... fractional water and sodium excretion. However, in hyperthyroid rats the pressure-diuresis-natriuresis mechanism was impaired. 3. Renal blood flow and glomerular filtration rate were well autoregulated and there were no differences between control and hypothyroid rats at every level of renal perfusion...
Articles
Clin Sci (Lond) (1994) 86 (4): 405–409.
Published: 01 April 1994
... kg −1 ), significantly attentuated the renal diuretic and natriuretic responses to volume expansion as well as the renal hydrostatic interstitial pressure increase induced by this manoeuvre. The percentages of the water and sodium excreted in 1 h by the N ω -nitro-l-arginine methyl ester-pretreated...
Articles
Clin Sci (Lond) (1993) 85 (4): 487–494.
Published: 01 October 1993
... overhydration, respectively. 2. Noradrenaline infusion rates ranged from 0.015 to 0.075 μg min −1 kg −1 . In the euhydrated subjects, noradrenaline caused a dose-dependent fall in urinary sodium excretion and an increase in urinary flow rate. During overhydration similar doses of noradrenaline caused a fall in...
Articles
Clin Sci (Lond) (1992) 83 (5): 567–574.
Published: 01 November 1992
...Marjolijn van Buren; Ton J. Rabelink; Herman J. M. van Rijn; Hein A. Koomans 1. Potassium salts increase sodium excretion in humans. To define the role of the potassium ion in this effect, we compared the effects of equimolar single oral loads of 100 mmol of NaCl and KCl on renal electrolyte...
Articles
Clin Sci (Lond) (1992) 83 (5): 519–527.
Published: 01 November 1992
...Chim C. Lang; Anna-Maria J. Choy; Allan D. Struthers © 1992 The Biochemical Society and the Medical Research Society 1992 atrial natriuretic peptide brain natriuretic peptide blood pressure congestive heart failure sodium excretion Clinical Science (1992) 83, 519-527 (Printed in...
Articles
Clin Sci (Lond) (1992) 82 (5): 543–549.
Published: 01 May 1992
... of 750 mg increased overnight urinary sodium excretion before the study. The fall in fractional sodium excretion during angiotensin II infusion was reduced after pretreatment with 750 mg of lithium [750 mg of lithium, 2.73 (0.24) to 1.34 (0.08)%; placebo, 2.69 (0.26) to 1.01 (0.11)%; P =0.02]. The...
Articles
Clin Sci (Lond) (1991) 81 (1): 59–63.
Published: 01 July 1991
... excretion increased by approximately 17 mmol ( P < 0.05); almost all of the natriuretic effect occurred during the first two 8 h periods. No effect on potassium excretion was observed. 4. After the 600 mg dose of lithium carbonate, 24 h sodium excretion increased by approximately 48 mmol ( P < 0.001...
Articles
Clin Sci (Lond) (1991) 80 (5): 427–433.
Published: 01 May 1991
... circulatory volume were minimised by infusion of crystalloid to maintain pulmonary artery occlusion pressure, measured using a Swann-Ganz pulmonary artery catheter. 3. After plasmapheresis, there was no significant change in creatinine clearance, sodium excretion, plasma renin activity or urinary kallikrein...
Articles
Clin Sci (Lond) (1991) 80 (3): 219–225.
Published: 01 March 1991
... separate days, control experiments were carried out to correct for any circadian variation in the variables studied. 2. All three insulin dosages resulted in a marked decline in fractional sodium excretion (actual experiments: basal, 0.95 ± 0.15%, Ins I, 0.79 ± 0.10%, Ins II, 0.80 ± 0.12%, Ins III, 0.84...
Articles
Clin Sci (Lond) (1990) 79 (4): 371–376.
Published: 01 October 1990
...Gordon M. Bell; Steven A. Atlas; Mark Pecker; Jean E. Sealey; Gary James; John H. Laragh 1. We studied diurnal patterns of plasma atrial natriuretic factor, plasma guanosine 3′:5′-cyclic monophosphate and urinary sodium excretion in normal subjects after 3 days on a 200 mmol of sodium/60 mmol of...
Articles
Clin Sci (Lond) (1990) 79 (2): 123–129.
Published: 01 August 1990
... nephrotic syndrome sodium excretion Clinical Science (1990) 79,123-129 123 Sodium and water excretion in nephrotic patients: effects of changes in renal haemodynamics MICHAEL ALLON, CHARLES B. PASQUE AND MAFUANO RODRIGUEZ Nephrology Section, University of Oklahoma School of Medicine, and Veterans...
Articles
Clin Sci (Lond) (1990) 78 (5): 451–455.
Published: 01 May 1990
... fractional excretion of filtered urea was inversely correlated to the fractional excretion of filtered sodium ( r = −0.66; P <0.001), whereas the fractional excretion of filtered uric acid was not dependent on sodium excretion. 3. Hypouraemia with high fractional excretion of filtered urea in patients...
Articles
Clin Sci (Lond) (1989) 77 (6): 657–661.
Published: 01 December 1989
... factors. 24 5 1989 14 6 1989 © 1989 The Biochemical Society and the Medical Research Society 1989 carbon tetrachloride/cirrhosis isolated perfused kidney sodium excretion Clinical Science (1989) 77, 657-661 657 Sodium handling in the isolated perfused kidney of the cirrhotic...
Articles
Clin Sci (Lond) (1989) 77 (5): 509–514.
Published: 01 November 1989
... and the exercise in ascent resulted in a marked decrease in 24 h urine volume and sodium excretion. Aldosterone levels were elevated on the first day and atrial natriuretic peptide levels were higher on both altitude days compared with control. 3. Acute mountain sickness symptom scores showed a...
Articles
Clin Sci (Lond) (1989) 76 (6): 653–658.
Published: 01 June 1989
... circulating increment within the physiological range (27 ± 4 to 48 ± 9 pmol/l). 3. Compared with placebo, ANG II caused a significant fall in urinary sodium excretion (113 ± 13 to 82 ± 10 μmol/min). This antinatriuretic effect occurred without a fall in creatinine clearance (107 ± 3 versus 113 ± 3 ml/min). 4...
Articles
Clin Sci (Lond) (1988) 74 (5): 519–525.
Published: 01 May 1988
..., and that renal nerve activity may modify the effects of ANP on renal haemodynamics and sodium excretion. 7 9 1987 26 10 1987 © 1988 The Biochemical Society and the Medical Research Society 1988 atrial natriuretic peptide glomerular filtration rate potassium excretion renal...
Articles
Clin Sci (Lond) (1988) 74 (4): 419–425.
Published: 01 April 1988
... angiotensin II (ANG II) alone, and in combination, on urinary electrolyte and water excretion were studied in eight normal male subjects undergoing maximal water diuresis. 3. ANP caused a significant increase in urine flow and sodium excretion. ANG II alone was antidiuretic, antinatriuretic and antikaliuretic...
Articles
Clin Sci (Lond) (1988) 74 (4): 359–363.
Published: 01 April 1988
..., hourly increments of 0.4, 2 and 10 pmol min −1 kg −1 were infused with continuous observation of heart rate, blood pressure and cardiac output. Plasma ANP, aldosterone, and catecholamines, and urinary volume and sodium excretion, were estimated at half-hourly intervals. 2. ANP infusion resulted in an...
Articles
Clin Sci (Lond) (1987) 72 (6): 657–667.
Published: 01 June 1987
... from 0.32 ± 0.04 to 0.47 ± 0.03 ( P values 0.05). Urine flow rate and absolute and fractional sodium excretion for non-clipped kidneys increased. GFR for clipped kidneys decreased during verapamil. 3. Treatment with CEI alone resulted in nearly identical responses of BP and function of the non-clipped...
Articles
Clin Sci (Lond) (1986) 71 (3): 319–322.
Published: 01 September 1986
...J. V. Anderson; N. D. Millar; J. P. O'Hare; J. C. MacKenzie; R. J. M. Corrall; S. R. Bloom 1. Thermoneutral water immersion produces a physiological increase of thoracic blood volume, raises central venous pressure and increases urinary sodium excretion by a hitherto ill-understood mechanism. We...
Articles
Clin Sci (Lond) (1985) 68 (3): 263–269.
Published: 01 March 1985
... an increase in renal excretion of dopamine (3,4-dihydroxy-phenylethylamine) and a decrease in renal excretion of noradrenaline. 4. Carbidopa treatment decreased urinary sodium excretion and eliminated the increase in renal production of dopamine in response to saline infusion without affecting renal...
Articles
Clin Sci (Lond) (1984) 67 (4): 413–420.
Published: 01 October 1984
... pretreatment with indomethacin. 2. After frusemide administration, increases in urinary sodium excretion paralleled increases in urinary volume, and urinary prostaglandin E 2 (PGE 2 ) excretion correlated closely with sodium excretion ( y = 1.03 x −0.28; r = 0.940; P <.0001). 3. In the absence of the...
Articles
Clin Sci (Lond) (1983) 65 (1): 47–55.
Published: 01 July 1983
... deprived of food and water (for 18 h before the experiment) or were expanded with isotonic sodium chloride solution (1.5% body weight/h) during the experiment. 2. The increase in sodium excretion was three to four times greater in both groups of volume-expanded rats than in the two groups of food- and...
Articles
Clin Sci (Lond) (1982) 63 (s8): 211s–213s.
Published: 01 October 1982
... Society 1982 captopril plasma renin activity renal renin content renal hypertension sodium excretion Clinical Science (1982) 63.21 1s-213s 211s Effect of ureteral ligation of the contralateral kidney on angiotensin dependency in one-clip, two-kidney renal hypertensive rats Y U T A K A T A K A...
Articles
Clin Sci (Lond) (1982) 63 (s8): 327s–330s.
Published: 01 October 1982
...S. Lundin; P. Thorén 1. The role of the renal sympathetic nerves in the urinary sodium excretion response to ‘mental stress’ in spontaneously hypertensive rats (SHR) and in Wistar-Kyoto normotensive (WKY) rats was examined. Urinary sodium excretion was measured during ‘rest’ and during a 20 min...
Articles
Clin Sci (Lond) (1982) 63 (3): 317–319.
Published: 01 September 1982
... Society and the Medical Research Society 1982 natriuretic factor sodium excretion nephrotic syndrome Clinical Science (1982) 63,317-3 19 317 SHORT COMMUNICA TION Absence of production of natriuretic factor following acute saline expansion in nephrotic rats H . F A V R E A N D M. G O U R J O N...
Articles
Clin Sci (Lond) (1982) 62 (5): 471–477.
Published: 01 May 1982
... intake, whereas the 8 h postprandial plasma sodium concentration was elevated only in dogs receiving 250 mmol of sodium/day. 3. The (0–8 h/0–24 h) ratio for urinary sodium excretion was significantly correlated with both the dietary sodium intake and the postprandial increase in plasma sodium...
Articles
Clin Sci (Lond) (1982) 62 (2): 209–213.
Published: 01 February 1982
... day −1 kg −1 ) for 7 days. This regimen produced an immediate and significant but transient decrease in urinary sodium excretion, averaging about 80 mmol over a period of 3 days. 3. Urinary dopamine excretion during the control period was not different from that during the entire period of...
Articles
Clin Sci (Lond) (1982) 62 (1): 65–70.
Published: 01 January 1982
... chloride solution (150 mmol/l): saline; 10% of body weight] was markedly depressed. Urinary sodium excretion was 285 ± 62 vs 960 ± 58 μmol/min in the control period before CBDL ( P < 0.001). This antinatriuresis was associated with a significant rise in plasma aldosterone concentration, from 52.5 ± 5.5...
Articles
Clin Sci (Lond) (1981) 61 (s7): 327s–330s.
Published: 01 January 1981
...Keishi Abe; Yutaka Imai; Makito Sato; Toshiaki Haruyama; KO Sato; Masao Hiwatari; Yutaka Kasai; Sadayoshi Itoh; Minoru Yasujima; Masahide Seino; Kaoru Yoshinaga 1. The role of renal prostaglandin E (PGE) and kallikrein in the mechanism of the exaggerated fractional sodium excretion in hypertensive...
Articles
Clin Sci (Lond) (1980) 59 (6): 435–441.
Published: 01 December 1980
...A. Nizet; J. Deheneffe; M. Robin 1. The effect of sodium chloride-containing solution (saline) infusion on sodium excretion has been investigated in kidneys transplanted from donors into the neck vessels of other dogs (perfusors). The dogs (perfusors and donors) had been given sodium-enriched or...
Articles
Clin Sci (Lond) (1980) 59 (6): 423–433.
Published: 01 December 1980
... after the blood volume was expanded, or at an equivalent time from the control rats, was injected intravenously into an assay rat. 4. The injection of plasma produced a gradual and significant rise in sodium excretion in the assay rat when it was obtained from an animal with an expanded blood volume...
Articles
Clin Sci (Lond) (1980) 59 (6): 411–421.
Published: 01 December 1980
... removed. Sodium excretion increased significantly more after the blood volume was expanded than in the control experiments. 2. Pairs of rats placed on opposite scale pans of a trip balance were cross-circulated by means of arteriovenous bypasses. The blood volume of the rats could be kept constant by...
Articles
Clin Sci (Lond) (1980) 58 (5): 385–391.
Published: 01 May 1980
... natriuretic factor sodium excretion Clinical Science (1980) 58,385-39 I Basal activity of the natriuretic factor extracted from the rat kidney as a function of the diet and its role in the regulation of the acute sodium balance F. LOUIS A N D H. F A V R E Dlvlsion of Nephrology, Department of Medicine...
Articles
Clin Sci (Lond) (1980) 59 (s6): 87s–90s.
Published: 01 January 1980
...J. E. Hall; A. C. Guyton; M. J. Smith, Jr.; T. G. Coleman 1. This study was designed to quantify the role of angiotensin II in determining the chronic relationships between arterial pressure, renal haemodynamics and sodium excretion. 2. In six control dogs sodium balance was achieved during chronic...
Articles
Clin Sci (Lond) (1980) 59 (s6): 381s–384s.
Published: 01 January 1980
... Research Society 1980 autoregulation cortical pressures renal blood flow renal vascular hypertension (two-kidney, one-clip Goldblatt hypertensive rat) renal vascular resistance sodium excretion Clinical Science (1980) 5 9 , 3 8 1 ~ ~ 3 8 4 s 381s Impaired autoregulatory responses in...
Articles
Clin Sci (Lond) (1979) 56 (4): 365–371.
Published: 01 April 1979
... nerves of the remaining kidney acutely sectioned. 2. Renal nerves were stimulated to cause a 14% fall in blood flow for 15 min. Glomerular filtration rate was unchanged but sodium excretion and the ratio of sodium clearance to glomerular filtration rate fell significantly. 3. Renal nerve stimulation...
Articles
Clin Sci (Lond) (1979) 57 (s5): 243s–245s.
Published: 01 January 1979
... effect on kallikrein, water and elctrolyte excretion. © 1979 The Biochemical Society and the Medical Research Society 1979 diuresis kallikrein renin sodium excretion Clinical Science (1979) 51,2439-245s Inhibition of urinary kallikrein excretion by semi-purified renin in the rat H . R . C R...
Articles
Clin Sci Mol Med (1978) 54 (6): 603–607.
Published: 01 June 1978
...-adrenergic blockade on sodium excretion in dogs with bile-duct ligation during extracellular hypotonic volume expansion. 3. Urinary excretion of sodium and fractional excretion of sodium rose significantly after 5 days of oral dl-propranolol administration to dogs with bile-duct ligation. 4. The...
Articles
Clin Sci Mol Med (1978) 55 (s4): 373s–375s.
Published: 01 January 1978
... Society 1978 blood pressure population Quetelet's index sodium excretion Clinical Science and Molecular Medicine (1978) 55,373s-375s Relationship of blood pressure to sodium excretion in a population survey F . 0. SIMPSON, H. J . W A A L - M A N N I N G , P . BOLLI , E . L. P H E L A N A N D G...
Articles
Clin Sci Mol Med (1977) 53 (4): 355–364.
Published: 01 October 1977
... derivatives, appear to cause a dose-related basic aminoaciduria. 6. Consideration of urinary flow rates and sodium excretion suggests that the ethanol anaesthesia does not modify amino acid reabsorption through effects on sodium transport or antidiuretic hormone. 1 3 1977 27 5 1977 © 1977 The...
Articles
Clin Sci Mol Med (1977) 52 (1): 23–31.
Published: 01 January 1977
... deoxycorticosterone and antidiuretic hormone were given. 2. Clearance studies in the period (3 h) after dialysis revealed no difference in the glomerular filtration rate or in the filtered sodium load between experimental and control rats but urinary sodium concentrations and absolute and fractional sodium excretion...