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Keyword: plasma volume
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Articles
Clin Sci (Lond) (2000) 98 (1): 39-45.
Published: 22 November 1999
...D. ROBERTS; D. J. SMITH; S. DONNELLY; S. SIMARD This study examined exercise-induced hypoxaemia (EIH) and plasma volume contraction as modulators of serum erythropoietin (Epo) production. Five athletes cycled for 3 min at supra-maximal power outputs, at each of two different elevations (1000 m and...
Articles
Clin Sci (Lond) (1995) 88 (4): 463-470.
Published: 01 April 1995
...H. El-Sayed; R. Hainsworth 1. Studies were carried out on 43 otherwise healthy patients referred for investigation for attacks of syncope of unknown cause and on six healthy volunteers. 2. Plasma volume was determined by Evans Blue dye dilution and blood volume was estimated using haematocrit...
Articles
Clin Sci (Lond) (1992) 83 (2): 213-219.
Published: 01 August 1992
.... Concomitant measurements of plasma volume using a dye-dilution technique enabled the estimation of body iron mass and the calculation of iron absorption. 2. The mean coefficients of variation for the 57 Fe/ 56 Fe ratio and the 58 Fe/ 56 Fe ratio were 0.22% and 0.47%, respectively. This precision allowed...
Articles
Clin Sci (Lond) (1992) 83 (1): 29-34.
Published: 01 July 1992
...Mark A. Brown; Dina A. Mitar; Judith A. Whitworth 1. Determination of the plasma volume in pregnant women is a useful research tool and may become an important clinical measurement. We used three methods to determine plasma volume using Evans Blue dye: (1) the ‘usual’ method, measuring serum...
Articles
Clin Sci (Lond) (1989) 77 (6): 599-604.
Published: 01 December 1989
... was determined from the disappearance curves of injected mannitol in the same subjects and the plasma volume was measured by the Evans Blue dye dilution technique 3. In normal pregnancy capillary permeability was not altered from that of non-pregnant subjects. Although extracellular fluid volume and...
Articles
Clin Sci (Lond) (1989) 77 (2): 149-155.
Published: 01 August 1989
...J. Hilsted; N. J. Christensen; S. Larsen 1. The effect of intravenous catecholamine infusions and of intravenous insulin on plasma volume and intravascular mass of albumin was investigated in healthy males. 2. Physiological doses of adrenaline (0.5 μg/min and 3 μg/min) increased peripheral venous...
Articles
Clin Sci (Lond) (1988) 75 (1): 63-70.
Published: 01 July 1988
... calculated increase of 21.3(6.6)% in plasma volume over the 4-day walk; the largest daily change [11.3(2.9)%] occurred during the walk on day 1. The increase in plasma volume was maintained for at least 4 days after completion of the walk. 5. From day 2, serum sodium concentration tended to increase during...
Articles
Clin Sci (Lond) (1985) 69 (3): 273-277.
Published: 01 September 1985
...J. Hilsted; F. Bonde-Petersen; S. Madsbad; H.-H. Parving; N. J. Christensen; B. Adelhøj; D. Bigler; E. Sjøntoft 1. Hypoglycaemia was induced by insulin injected intravenously (0.15 i.u./kg body weight) in seven healthy young males. 2. Plasma volume was measured before and during hypoglycaemia by...
Articles
Clin Sci (Lond) (1984) 67 (3): 353-358.
Published: 01 September 1984
..., increased. 4. The findings are best explained by a vasopressin-induced increase in plasma volume, which in the absence of fluid retention is likely to have been due to a redistribution of body water. 10 2 1984 19 3 1984 © 1984 The Biochemical Society and the Medical Research Society 1984...
Articles
Clin Sci (Lond) (1984) 66 (2): 129-140.
Published: 01 February 1984
... effect of potassium loading, but when the sodium intake was held constant, the antihypertensive effect was maintained. 4. In rats with adrenal regeneration hypertension, plasma volume was significantly higher, and packed cell volume and plasma protein concentrations were significantly lower than in...
Articles
Clin Sci (Lond) (1982) 63 (s8): 415s-418s.
Published: 01 October 1982
... measured blood pressure, total exchangeable sodium, plasma volume, transcapillary escape rate of albumin, and plasma concentrations of angiotensin II and aldosterone. 2. With improved diabetic control there was a small but significant fall in arterial pressure. Total exchangeable sodium was normal when...
Articles
Clin Sci (Lond) (1982) 62 (6): 595-604.
Published: 01 June 1982
... result of prolonged exercise of this type. 23 11 1981 5 1 1982 © 1982 The Biochemical Society and the Medical Research Society 1982 aldosterone exercise extracellular fluid oedema plasma volume renin sodium balance Clinical Science (1982) 62,595-604 595 Sodium balance...
Articles
Clin Sci (Lond) (1982) 62 (1): 43-49.
Published: 01 January 1982
...J. H. Bauer; C. S. Brooks 1. Erythrocyte mass, plasma volume (PV), extracellular fluid volume (ECFV) and total body water were simultaneously measured in 30 normotensive and 30 normal-renin hypertensive Caucasian male subjects for accurate determination of the presence or absence of a disorder(s...
Articles
Clin Sci (Lond) (1981) 61 (3): 287-293.
Published: 01 September 1981
...R. F. Bing; A. J. Smith 1. Plasma and interstitial fluid volumes have been measured simultaneously in men with uncomplicated and untreated essential hypertension. 2. Plasma volume (Evans blue) was reduced in essential hypertension and correlated inversely with blood pressure. 3. Interstitial fluid...
Articles
Clin Sci (Lond) (1981) 60 (4): 371-375.
Published: 01 April 1981
...H. Valette; B. Raffestin; A. Lockhart 1. We have investigated left ventricular function in 25 selected patients with chronic bronchitis by use of atrial pacing and plasma volume expansion. Nine subjects had a past history of acute respiratory failure. None had either clinical or...
Articles
Clin Sci (Lond) (1981) 61 (s7): 97s-100s.
Published: 01 January 1981
...G. J. Wenting; A. J. Man in 'T Veld; M. A. D. H. Schalekamp 1. Repeated measurements of blood pressure, cardiac output ( 99m Tc-labelled albumin dilution with single-probe precordial counting of radioactivity), plasma volume and extracellular volume were made in 20 subjects exposed to...
Articles
Clin Sci (Lond) (1981) 61 (s7): 465s-468s.
Published: 01 January 1981
... 4 weeks of prizidilol treatment. 4. After prizidilol plasma noradrenaline and adrenaline increased significantly, and PRA and plasma aldosterone were reduced. Although plasma volume increased, body weight did not change. 5. Cardiac performance, as evaluated by the PEP/LVET ratio, improved after...
Articles
Clin Sci (Lond) (1980) 59 (s6): 397s-399s.
Published: 01 January 1980
...E. Reisin; D. H. Suarez; E. D. Frohlich 1. The haemodynamic and plasma volume changes associated with obesity and high blood pressure were studied in nine male rats with electrolytic ventromedial hypothalamic lesions and their paired sham-operated controls. Body weight and arterial pressure were...
Articles
Clin Sci (Lond) (1980) 59 (s6): 369s-371s.
Published: 01 January 1980
... and adrenaline levels, blood pressure, total peripheral resistance and packed cell volume. Plasma volume was decreased, and heart rate, cardiac output and plasma renin, aldosterone or dopamine levels were not significantly changed. Plasma noradrenaline was increased only minimally after 3 h of calcium...
Articles
Clin Sci (Lond) (1980) 59 (s6): 171s-173s.
Published: 01 January 1980
...R. Dietz; A. Schoumig; W. Rascher; R. Strasser; W. Kubler 1. Salt loading accelerates and increases the rise in blood pressure (spSH) in stroke-prone spontaneously hypertensive rats, but not in Wistar-Kyoto (WK) rats. 2. In both strains a slight increase in plasma volume was obtained during salt...
Articles
Clin Sci (Lond) (1979) 56 (5): 463-469.
Published: 01 May 1979
... , humoral and neural factors may be involved. 4 7 1978 9 1 1979 © 1979 The Biochemical Society and the Medical Research Society 1979 arterial pressure essential hypertension hydrochlorothiazide plasma volume renal haemodynamics renin vanillylmandelic acid Clinical Science...
Articles
Clin Sci (Lond) (1979) 56 (3): 227-233.
Published: 01 March 1979
... (Goldblatt 1-kidney). Plasma urea, plasma volume and blood volume were also measured. 2. In Goldblatt 2-kidney rats, urinary kallikrein was not significantly different from that of sham-operated rats up to the 5th post-operative week even though at this time the Goldblatt 2-kidney animals were hypertensive...
Articles
Clin Sci (Lond) (1979) 57 (s5): 437s-439s.
Published: 01 January 1979
... Research Society 1979 cardiac output intra-arterial pressure plasma renin activity plasma volume total peripheral resistance Clinical Science (1979) 51,4376439s Systemic haemodynamic effects of biofeedback in borderline hypertension F. H. MESSERLI , J. G. R. DECARVALHO, BARBARA C H R I S T I E...
Articles
Clin Sci (Lond) (1979) 57 (s5): 359s-362s.
Published: 01 January 1979
...P. Van Brummelen; A. Man In 't Veld; M. A. D. H. Schalekamp 1. Blood pressure, systemic haemodynamics, plasma volume, renin and aldosterone were measured during placebo treatment and after 1, 4 and 12 weeks of hydrochlorothiazide in 13 patients with uncomplicated essential hypertension. Nine of...
Articles
Clin Sci Mol Med (1978) 55 (1): 81-87.
Published: 01 July 1978
... volumes in the salt-deprived animals were lower than previously determined values in animals with free access to sodium. After clipping plasma volume increased in the hypertensive animals. Extracellular fluid volume was increased equally in both normotensive and hypertensive animals on the second...
Articles
Clin Sci Mol Med (1978) 54 (4): 361-367.
Published: 01 April 1978
... renal artery. 3. From the fourth day after clipping until the end of the experiment blood pressure was found to be significantly ( P < 0·01) lower in rats with medullary transplants than in the other groups. No differences in renal excretory function, plasma volume and plasma renin activity were...
Articles
Clin Sci Mol Med (1978) 55 (s4): 93s-96s.
Published: 01 January 1978
...A. V. Chobanian; H. Gavras; J. C. Melby; Irene Gavras; H. Jick 1. The relationship of basal plasma noradrenaline to blood pressure, age, sex, urinary sodium excretion, and plasma volume has been examined in 117 untreated ambulatory patients with essential hypertension. 2. No significant...
Articles
Clin Sci Mol Med (1978) 55 (s4): 367s-371s.
Published: 01 January 1978
... h urinary excretion of aldosterone, protein and electrolytes; plasma renin activity; plasma volume. Plasma catecholamines and cardiac index were also measured in 26 subjects of the first group and 25 subjects of the second group using a radioenzymic method and echocardiography. 4. All these factors...
Articles
Clin Sci Mol Med (1976) 51 (3): 243-255.
Published: 01 September 1976
... load and included cardiac output with an electromagnetic flowmeter, mean arterial pressure and right atrial pressure with chronically implanted catheters, interstitial fluid pressure with a plastic capsule, heart rate, extracellular fluid volume, erythrocyte volume, plasma volume, plasma protein...
Articles
Clin Sci Mol Med (1976) 51 (3): 267-274.
Published: 01 September 1976
... activity and the change of plasma volume. 2. Nine subjects did not develop vaso-vagal symptoms and were studied for 45–60 min. Arginine vasopressin rose biphasically in all subjects: a small initial rise, which was seen at 3 min and persisted for 30 min, was followed by a striking rise between 30 and 45...
Articles
Clin Sci Mol Med (1976) 51 (2): 177-183.
Published: 01 August 1976
...J. P. S. Thomson; S. R. Bloom 1. The changes in plasma enteroglucagon concentration and plasma volume were measured after oral glucose in sixteen subjects before and forty-eight subjects after operative treatment for benign duodenal ulceration. Truncal vagotomy with a drainage procedure had been...
Articles
Clin Sci Mol Med (1976) 50 (5): 415-424.
Published: 01 May 1976
.... 4. There was a concomitant and significant fall of plasma protein concentration and peripheral venous packed cell volume without any significant change of plasma sodium concentration or plasma osmolality, implying an expansion of plasma volume. 5. The results indicate that, in man, physiologically...
Articles
Clin Sci Mol Med (1976) 51 (s3): 641s-643s.
Published: 01 January 1976
... filtration rate, and renal vascular resistance showed a significant decrease. Blood volume and plasma renin concentration did not change significantly. An inverse relation between changes in plasma volume and plasma aldosterone concentration was observed. In the face of similar reductions in blood pressure...
Articles
Clin Sci Mol Med (1976) 51 (s3): 177s-180s.
Published: 01 January 1976
... those in eighteen normotensive men aged 18–28 years and eleven men aged 19–33 years with essential hypertension. 2. While the subjects followed a routine of normal diet and daily activity, measurements were made, after overnight recumbency and in the fasting state, of plasma volume and renin activity on...
Articles
Clin Sci Mol Med (1976) 51 (s3): 691s-694s.
Published: 01 January 1976
... Society and the Medical Research Society 1976 arginine-vasopressin extracellular fluid volume interstitial fluid volume plasma volume renal tubular free water reabsorption Clinical Science and Molecular Medicine (1976) 51,6919-694s. Increased renal excretion of arginine-vasopressin during...
Articles
Clin Sci Mol Med (1975) 48 (4): 331-333.
Published: 01 April 1975
... mechanism for the decreased effective blood volume at that time. 20 12 1974 © 1975 The Biochemical Society and the Medical Research Society 1975 idiopathic oedema menstrual cycle plasma volume posture potassium sodium Clinical Science and Molecular Medicine (1975) 48, 331-333...
Articles
Clin Sci Mol Med (1975) 48 (3): 161-165.
Published: 01 March 1975
... ASR values on the 10 mmol/day sodium diet alone and after the infusion of albumin either in the recumbent or in the upright posture. 4. The above observations suggest that sodium deprivation raises ASR by a mechanism or mechanisms unrelated to plasma volume. 3 9 1974 © 1975 The Biochemical...
Articles
Clin Sci Mol Med (1974) 47 (1): 1-11.
Published: 01 July 1974
... kidney. Tissue pressure and venous pressure were found to be significantly higher in rats which developed systolic arterial blood pressure of 140 mmHg or above than in loosely clipped controls with normal blood pressure. Plasma volume (PV) was also increased in the hypertensive animals, but there was no...
Articles
Clin Sci Mol Med (1974) 48 (s2): 69s-71s.
Published: 01 January 1974
... propranolol up to 320 mg daily. 2. After sodium depletion extracellular fluid volume and plasma volume decreased and plasma renin activity increased; blood pressure did not change significantly. 3. After adding propranolol, plasma volume and extracellular fluid volume remained low, and there was a significant...
Articles
Clin Sci Mol Med (1973) 45 (6): 743-750.
Published: 01 December 1973
... for the final elevation of total peripheral resistance. 21 6 1973 © 1973 The Biochemical Society and the Medical Research Society 1973 aldosterone-induced hypertension changes in haemodynamics spiro-nolactone plasma volume extracellular fluid volume Clinical Science and...
Articles
Clin Sci Mol Med (1973) 45 (3): 347-373.
Published: 01 September 1973
... occult heart failure; or (III) non-orthostatic factors. 19 2 1973 © 1973 The Biochemical Society and the Medical Research Society 1973 idiopathic oedema posture aldosterone renin plasma volume orthostatic oedema sodium excretion Clinical Science and Molecular Medicine (1973) 45...
Articles
Clin Sci Mol Med (1973) 45 (2): 173-181.
Published: 01 August 1973
...Milos Ulrych 1. The disappearance rate of intravenously injected Evans Blue, plasma volume, cardiac output, and blood pressure were measured in seven normotensive and eighteen hypertensive subjects. 2. Plasma volume was found to be negatively correlated with the mean arterial pressure, Evans Blue...
Articles
Clin Sci Mol Med (1973) 45 (s1): 15s-21s.
Published: 01 August 1973
... in the initiation of the hypertension in the GH rats. Compared with normotensive rats of the parent colony, plasma and renal renin are decreased, total exchangeable and carcass sodium are decreased, as are also the plasma volume and total extracellular fluid volume. Plasma sodium is normal and plasma...
Articles
Clin Sci Mol Med (1973) 44 (4): 397-416.
Published: 01 April 1973
...J. Lucas; M. A. Floyer 1. Measurements of plasma volume, haematocrit, extracellular fluid volume, blood pressure, venous pressure and interstitial tissue pressure were made in rats 4 days after unilateral nephrectomy. Measurements were repeated either 4 days after subsequent removal of the...
Articles
Clin Sci Mol Med (1973) 44 (4): 349-358.
Published: 01 April 1973
...C. R. Gresson; D. L. Bird; F. O. Simpson 1. Rats of the New Zealand strain with genetic hypertension (GH rats) were found to have lower plasma volume in relation to body weight than rats of the normotensive parent strain (N rats). GH rats had higher venous packed-cell volume percentage than N rats...
Articles
Clin Sci Mol Med (1973) 44 (2): 129-134.
Published: 01 February 1973
... magnitude after withdrawal of propranolol. 3. It is suggested that these changes are related to a reduction in the renal blood flow. 4. No significant changes were found in plasma volume. 5 6 1972 © 1973 The Biochemical Society and the Medical Research Society 1973 hypertension...
Articles
Clin Sci (1972) 43 (5): 639-644.
Published: 01 November 1972
... pressure was low in thirty-one of eighty-one patients in whom it was measured. Plasma volume was normal in thirty and slightly elevated in three of thirty-three patients in whom it was determined. None had oedema at the time of the investigation. 2. Albumin metabolism was studied in ten patients by means...
Articles
Clin Sci (1972) 43 (2): 165-170.
Published: 01 August 1972
...P. Sederberg-Olsen; H. Ibsen 1. In ten patients with essential hypertension treated with propranolol (320 mg daily for 4 months) plasma volume and extracellular fluid volume were determined. 2. A significant increase in extracellular fluid volume (ECFV) was found, but there was no significant...