Statistical Base Value of 24-Hour Blood Pressure Distribution in Patients With Essential Hypertension

Tochikubo, Osamu; Hishiki, Satoshi; Miyajima, Eiji; Ishii, Masao

doi:10.1161/01.hyp.32.3.430

Cited by 27 publications

(35 citation statements)

References 26 publications

(39 reference statements)

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“…Because SBP0 has been shown to be stable against such factors as daily activities, duration of sleep and environmental conditions, SBP0 might be a more accurate parameter than mean night time BP. 6 Indeed, SBP0, other than 24-h or night time BP, was the only BP parameter that correlated with the scores of body pain. The close linkage between autonomic nervous dysfunction and the absence of nocturnal decrease in BP has also been shown in several studies.…”

Section: Discussionmentioning

confidence: 91%

“…SBP0 determined by ambulatory BP monitoring (ABPM) has been reported to be a representative BP parameter for an individual subject. 6 A reduction of nocturnal dip in BP has been characterized by an Base blood pressure, autonomic function and HRQOL Y Okano et al increased risk of damage of all target organs and cardiovascular morbid events in hypertensives. 16,17 In the present study, the mean night time BP closely and significantly correlated with SBP0.…”

Section: Discussionmentioning

confidence: 99%

“…The minimum HR (HR0) was determined as 1% -the lower limit of the beat-to-beat HR frequency histogram -and base BP (SBP/DBP (diastolic blood pressure)) was obtained statistically to correspond to the HR0 value. 6,12 A computer automatically detected base BP values corresponding to the minimum HR value. [5][6][7] Body motion (activity) was measured by an acceleration pickup sensor.…”

Section: Methodsmentioning

confidence: 99%

“…6,12 A computer automatically detected base BP values corresponding to the minimum HR value. [5][6][7] Body motion (activity) was measured by an acceleration pickup sensor. Cumulative values for 1-min periods were recorded at 18-ms intervals at frequencies ranging from 1 to 10 Hz in the vertical direction (z axis), a sensitivity of 4.1 Â 10 À3 m/s 2 bit.…”

Section: Methodsmentioning

confidence: 99%

“…3,4 The multi-biomedical recorder (TM2425) is useful in evaluations of BP variation and autonomic nervous activities. 5,6 The minimum sleep-time BP (BP0: base BP) has been reported to correlate with sodium intake. 7 Furthermore, systolic BP0 (SBP0) demonstrated a significantly higher r value (r ¼ 0.83) with body fat-corrected mean electrocardiogram (ECG) voltage/body surface area than the mean daytime systolic BP (SBP) in hypertensives.…”

Section: Introductionmentioning

confidence: 99%

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Relationship between base blood pressure during sleep and health-related quality of life in healthy adults

2006

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There are many reports indicating that night time blood pressure (BP) is closely associated with target organ damage. However, BP in the waking period is influenced by physical activity and also by the psychological status. Recently, base BP (BP0: minimum and stable BP during sleep) has been reported to correlate with organ damage in hypertensives. However, little is known about the implications of BP0. We examined how BP0 is associated with BP, heart rate variability and healthrelated quality of life (HRQOL) in healthy subjects. One hundred and thirty-five participants, composed of 88 male and 47 female (age: 21-33 years) underwent a 24-h ambulatory BP monitoring (ABPM). Multiple linear regression analysis showed that SBP0 correlated with gender (Po0.01), night time LF/HF (Po0.04) and the scores of body pain (Po0.04). In conclusion, SBP0 correlated with BP, LF/HF and the scores of body pain (HRQOL). SBP0 may be a useful indicator for assessing 24-h BP, sympathetic nervous functions and HRQOL in healthy subjects.

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Section: Discussionmentioning

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Relationship between base blood pressure during sleep and health-related quality of life in healthy adults

2006

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Reduced sympathetic inhibition in salt-sensitive Japanese young adults

Miyajima

Yamada

1999

American Journal of Hypertension

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The purpose of our study was to investigate the sympathetic response to excess salt loading of 54 normotensive young adults with and without a family history of hypertension. We examined muscle sympathetic nerve activity, plasma concentration and urinary excretion of catecholamines, and ambulatory blood pressures during low (4 g NaCl) and high (16 g NaCl) salt diet intake. Ambulatory blood pressure and urinary excretion of catecholamines are known to be reduced during sleep. These parameters were therefore calculated during waking and sleeping periods. The subject was defined as salt-sensitive when mean ambulatory systolic pressure during the waking period was > or =3 mm Hg higher during high salt intake than during low salt intake (n = 26: 21.4+/-0.3 years old). When mean systolic pressure was either lower or equal during high salt intake than during low salt intake, the subject was defined as salt-resistant (n = 24: 21.3+/-0.3 years old). Muscle sympathetic nerve activity, plasma concentration and urinary excretion of norepinephrine in salt-resistant subjects were significantly reduced (P<.05) by salt intake, whereas plasma concentration of epinephrine was unchanged and urinary excretion of epinephrine was reduced. In contrast, urinary excretion of epinephrine in salt-sensitive subjects was significantly elevated (P<.05) during high salt intake, whereas muscle sympathetic nerve activity and urinary excretion of norepinephrine remained unchanged despite a significant increase (P<.01) of ambulatory blood pressure. Of the salt-sensitive subjects, 73% (19 of 26) had a positive family history of hypertension, whereas only 5 of 24 salt-resistant subjects had a positive family history. These data indicate that the inhibition of sympathetic activity during a high salt intake did not occur in salt-sensitive young adults, and this may be linked with a hereditary predisposition to hypertension.

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Normotensive non-dipping blood pressure profile does not predict the risk of chronic kidney disease progression

et al. 2018

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Statistical Base Value of 24-Hour Blood Pressure Distribution in Patients With Essential Hypertension

Abstract: Abstract-The purpose of this study was to calculate statistically the minimum (base) blood pressure (BP)

Cited by 27 publications

References 26 publications

Relationship between base blood pressure during sleep and health-related quality of life in healthy adults

Relationship between base blood pressure during sleep and health-related quality of life in healthy adults

Reduced sympathetic inhibition in salt-sensitive Japanese young adults

Normotensive non-dipping blood pressure profile does not predict the risk of chronic kidney disease progression

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