Blood Pressure Circadian Rhythm in Essential Hypertension

1978 ◽  
Vol 55 (s4) ◽  
pp. 391s-393s ◽  
Author(s):  
Michael W. Millar Craig ◽  
Stewart Mann ◽  
V. Balasubramanian ◽  
E. B. Raftery
Keyword(s):  
Blood Pressure ◽  
Circadian Rhythm ◽  
Essential Hypertension ◽  
Diastolic Blood Pressure ◽  
Circadian Variation ◽  
Early Morning ◽  
Daytime Blood Pressure

1. Both systolic and diastolic blood pressure show a well defined circadian variation in ambulatory hypertensive subjects. 2. Blood pressure is highest in the mid-morning (10.00 hours) and lowest during sleep at 03.00 hours. 3. Treatment with oxprenolol (taken during the day) reduces daytime blood pressure but is less effective during the night and early morning.

Circadian Rhythms in Hypertension

1981 ◽  
Vol 26 (4) ◽  
pp. 309-314 ◽  
Author(s):  
M. W. Millar-Craig ◽  
S. Mann ◽  
V. Balasubramanian ◽  
D. G. Altman ◽  
E. B. Raftery
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Circadian Variation ◽  
Early Morning ◽  
Outpatient Basis ◽  
Night Time ◽  
Arterial Blood ◽  
Chronic Therapy ◽  
Hourly Data ◽  
Daytime Blood Pressure

Continuous intra-arterial blood pressure recordings have been performed in 37 untreated ambulatory hypertensive subjects, who were investigated on an outpatient basis. Hourly data analysis demonstrated a circadian variation of both blood pressure and heart rate which were highest during the morning and fell during the late afternoon to reach a nadir during sleep. Prior to waking there was an increase in blood pressure, but not heart rate; however both blood pressure and heart rate increased briskly shortly after waking. Chronic therapy with oxprenolol (in 10patients) reduced daytime blood pressure, but had little effect during the night-time or early morning.

Evaluating the Situational Specificity of Relaxation in Mild Essential Hypertension

1980 ◽  
Vol 51 (2) ◽  
pp. 667-674
Author(s):  
John E. Martin ◽  
Leonard H. Epstein
Keyword(s):  
Blood Pressure ◽  
Essential Hypertension ◽  
Diastolic Blood Pressure ◽  
Systolic Pressure ◽  
Progressive Relaxation ◽  
Multiple Baseline ◽  
Self Monitoring ◽  
Situational Specificity ◽  
Blood Pressures

A multiple baseline across subject/settings design was employed to assess the specificity of the effects of progressive relaxation in two recently diagnosed, mild hypertensives. Relaxation was implemented successively across laboratory and home settings. In Subject 1, laboratory relaxation was associated with control over diastolic blood pressure, while in Subject 2, control over systolic pressure was observed. Improvements to normotensive levels were observed for both subjects, and the changes were maintained in both settings for Subject 2 at 6- and 12-mo. follow-up. Subject 1 discontinued her medications, relaxation, and self-monitoring of blood pressure, which was associated with an increase in blood pressure during treatment maintenance; however, at 6- and 12-mo. follow-up, both home and laboratory blood pressures were within normotensive range.

Relation of Plasma Noradrenaline to Blood Pressure, Age, Sex and Sodium Balance in Patients with Stable Essential Hypertension and in Normotensive Subjects

1978 ◽  
Vol 55 (s4) ◽  
pp. 81s-83s ◽  
Author(s):  
H. M. Brecht ◽  
W. Schoeppe
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Essential Hypertension ◽  
Diastolic Blood Pressure ◽  
Plasma Noradrenaline ◽  
Sodium Balance ◽  
Creatinine Ratio ◽  
Control Subjects ◽  
Normotensive Subjects ◽  
Normotensive Control

1. Plasma noradrenaline was measured in 125 patients with stable essential hypertension (WHO I—II) and in 107 normotensive control subjects lying and standing. 2. In normotensive subjects and in patients with essential hypertension no sex-related differences of plasma noradrenaline were found between age-matched groups. 3. Plasma noradrenaline was not related to sodium balance indexed by urinary sodium/creatinine ratio. 4. In patients with essential hypertension plasma noradrenaline increases with age. 5. Mean plasma noradrenaline concentrations are significantly higher in patients with essential hypertension compared with age-matched normotensive subjects both lying and standing. 6. In patients with essential hypertension diastolic blood pressure and heart rate correlated significantly with supine plasma noradrenaline concentrations.

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