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Plasma volume contraction: a significant factor in both pregnancy-associated hypertension (pre-eclampsia) and chronic hypertension in pregnancy.
The role of plasma volume in hypertension in pregnancy (pre-eclampsia) was investigated. Significant volume expansion from non-pregnant levels (16.5 +/- 1.60 ml/cm height) was present throughout… Expand
Environmental noise and sleep--a study of arousals, cardiac arrhythmia and urinary catecholamines.
Nine adult subjects with documented cardiac arrhythmia were studied during 4 nights of sleep in a laboratory. A sleep polygraph and single-channel electrocardiogram were recorded continuously… Expand
Home blood pressure determination. Value in borderline ("labile") hypertension.
Self-determined home blood pressure readings taken by 112 patients with borderline hypertension were compared to values of 49 normotensive controls. Thirty percent of patients with borderline… Expand
Hemodynamic effects of acute and prolonged beta-adrenergic blockade in essential hypertension.
Absrract. Hemodynamic studies have been performed in 15 male patients with mild to moderately severe essential hypertension. Studies were made after four weeks of placebo treatment and again after… Expand
Comparison of performance of various sphygmomanometers with intra-arterial blood-pressure readings.
Seven types of sphygmomanometer were used in random order on each of nine hypertensive patients and the readings compared with simultaneous intra-arterial blood-pressure recordings. All the devices… Expand
SUPINE HYPERTENSION, BLOOD PRESSURE VARIABILITY AND CIRCADIAN RHYTHM IN AUTONOMIC FAILURE: THE ROLE OF AMBULATORY INTRA‐ARTERIAL MONITORING
- S. Mann, G. Bellamy, S. Hunyor, E. Raftery, T. Ingall, R. Bannister
- Clinical and experimental pharmacology…
- 1 August 1984
1. Blood pressure variation over 24 h was studied in twelve subjects with suspected or established autonomic failure using ambulatory intra‐arterial monitoring.
PREDICTING THE DEVELOPMENT OF PREGNANCY-ASSOCIATED HYPERTENSION THE PLACE OF STANDARDISED BLOOD-PRESSURE MEASUREMENT
82 initially normotensive pregnant women with no known history of renal disease were seen at monthly intervals from 16 weeks' amenorrhoea onwards, and their blood-pressure (B.P.) was measured sitting… Expand
The peripheral circulatory effects of clonidine and their role in the production of arterial hypotension.
Abstract The effects of single intravenous injection and continuous infusion of clonidine were examined in unanaesthetized rabbits. The effects of a single dose of 20 mug/kg on lowering arterial… Expand
Accuracy of Borg's ratings of perceived exertion in the prediction of heart rates during pregnancy.
- M. E. O'Neill, K. A. Cooper, C. Mills, E. Boyce, S. Hunyor
- British journal of sports medicine
- 1 June 1992
When using Borg's 6-20 scale during pregnancy, ratings of perceived exertion (RPE) did not significantly correlate with exercise heart rates (HR) (P greater than 0.05). The HR predicted from RPE… Expand
Placebo-controlled biofeedback blood pressure effect in hypertensive humans.
The role of biofeedback in blood pressure control remains ill-defined because of nonspecific (placebo) effects, small study numbers, and the technical limitations of continuous pressure feedback.… Expand