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Kivimäki Mika M Department of Epidemiology and Public Health, University College London Medical School, London, United Kingdom. - - 2007
Hypertension is assumed to be one of the mechanisms through which job strain (a combination of high work demands and low job control) increases coronary heart-disease risk. However, direct tests of this hypothesis are lacking. We examined whether hypertension mediated the association between job strain and incident coronary heart disease ...
Chen Yi-Chun - - 2008
Carotid intima-media thickness (cIMT) is commonly used as a surrogate for atherosclerosis. Since cIMT is correlated with hypertension and microalbuminuria, we tested the hypothesis that there is a genetic basis for the observed relationship between cIMT, blood pressure (BP), and renal function within high risk families. Six hundred and three ...
Agarwal Rajiv - - 2008
Blood pressure (BP) measurements obtained outside the dialysis unit are prognostically superior. Whether it is the greater number of measurements made outside the dialysis unit that correlates with prognosis or whether BPs outside dialysis units are ecologically more valid is unknown. A prospective cohort study was conducted in 133 patients ...
Matayoshi Tetsutaro - - 2008
BACKGROUND: Though brain natriuretic peptide (BNP) is widely used as a clinical marker of cardiac function, there is considerable confusion in the interpretation of its value in hemodialysis (HD) patients whose BNPs are often elevated without cardiac diseases. The aim of the present study is to examine the predictive value ...
Trivedi Hariprasad S - - 2007
Hemodynamic instability is a common problem during hemodialysis (HD). The effect of blood flow rate (BFR) on blood pressure (BP) during HD has not been previously evaluated. Subjects receiving HD for the treatment of renal failure were enrolled (n=34). For each patient, during the last hour of 2 consecutive HD ...
Agarwal Rajiv - - 2007
OBJECTIVE: To determine whether simultaneous consideration of pre and postdialysis blood pressure (BP) can improve the prediction of interdialytic ambulatory BP in hemodialysis patients, we analyzed BP obtained before and after dialysis using routine or standardized methods and by self-measurement at home in 104 hemodialysis patients. Evidence for effect modification ...
Lu Fangxian - - 2007
The purpose of this study was to determine whether fetal programming of adult blood pressure is altered in a previously characterized mouse model of preeclampsia that was induced by sFlt-1. CD-1 mouse mothers at day 8 of gestation were injected with an adenovirus carrying Flt 1-3 (10(9) plaque-forming units) or ...
White William B - - 2007
BACKGROUND: The circadian rhythm of blood pressure (BP) is associated with a high span during the awake period and a low span during the sleep period. Of interest is that cardiovascular (CV) events occur more frequently in the early morning period, the time when BP and heart rate rise steeply. ...
Verheyden Bart - - 2007
NTG (nitroglycerine) is used in routine tilt testing to elicit a vasovagal response. In the present study we hypothesized that with increasing age NTG triggers a more gradual BP (blood pressure) decline due to a diminished baroreflex-buffering capacity. The purpose of the present study was to examine the effect of ...
Bilo Grzegorz - - 2007
OBJECTIVES: To assess quantitatively the relationship between nocturnal blood pressure (BP) fall and 24-h BP variability; to propose a new method for computing 24-h BP variability, devoid of the contribution from nocturnal BP fall; and to verify the clinical value of this method. METHODS AND RESULTS: We analysed 3863 ambulatory ...
Pimenta Eduardo - - 2007
BACKGROUND: Aldosterone excess has been reported to be a common cause of resistant hypertension. To what degree this represents true treatment resistance is unknown. OBJECTIVE: The present study aimed to compare the 24-h ambulatory blood pressure monitoring (ABPM) levels in resistant hypertensive patients with or without hyperaldosteronism. METHODS: Two hundred ...
Yarows Steven A - - 2007
PURPOSE: To determine whether the HoMedics Model BPA-300 meets American Association for the Advancement of Medical Instrumentation (AAMI) accuracy standards. METHOD: Simultaneous auscultatory measurements by two observers using a mercury manometer were obtained in participants during measurement with the HoMedics Model BPA-300. Triple measurements were obtained after a minimum of ...
Yang Qiong - - 2007
OBJECTIVE: To investigate the contribution of the mitochondrial genome to hypertension and quantitative blood pressure (BP) phenotypes in the Framingham Heart Study cohort, a randomly ascertained, community-based sample. METHODS: Longitudinal BP values of 6421 participants (mean age, 53 years; 46% men) from 1593 extended families were used for analyses. In ...
Shin Jaekyu - - 2007
An altered diurnal blood pressure (BP) pattern has been linked to the risk of developing heart failure (HF). We tested whether an altered diurnal BP pattern is associated with adverse outcomes (death or hospitalization for HF exacerbation) in patients with HF. A total of 118 patients with HF were enrolled ...
Harris David M - - 2007
More than 30% of the US population has high blood pressure (BP), and less than a third of people treated for hypertension have it controlled. In addition, the etiology of most high BP is not known. Having a better understanding of the mechanisms underlying hypertension could potentially increase the effectiveness ...
Majane Olebogeng H I - - 2007
AIM: The relationship between waist circumference (WC) and conventional blood pressure (BP) is independent of other clinical indices of adiposity. As ambulatory BP may offer more prognostic information than conventional BP, we aimed to identify whether indices of central adiposity are associated with ambulatory BP independent of other indices of ...
Fava Cristiano - - 2007
BACKGROUND: The W allele of the G460W polymorphism in the adducin-1 gene has been occasionally associated with increased blood pressure (BP). The aim of this study was to test whether the G460W variant is associated with BP levels and BP progression rate and whether G460W associations with BP are affected ...
Qureshi Ghazanfar - - 2007
Increased arterial stiffness is predictive of increased cardiovascular risk. The ambulatory arterial stiffness index is a new measure derived from 24-hour ambulatory blood pressure (BP) monitoring. We retrospectively studied 59 consecutive patients, (36 females; age 62 +/- 12 years), evaluated for hypertension in an academic cardiology practice. All had eight ...
Anan F - - 2007
BACKGROUND: Insulin resistance significantly correlated with a non-dipper type of essential hypertension. Thiazolidinediones (TZD), oral hypoglycaemic agents that act as insulin sensitizers, have been demonstrated in multiple in vivo and in vitro studies to possess antihypertensive properties. This study examined the efficacy of TZD therapy with pioglitazone at transforming the ...
Ommen Elizabeth S - - 2007
BACKGROUND AND OBJECTIVES: Most transplant centers exclude prospective living kidney donors with hypertension from donation. Centers routinely identify hypertension using BP measured in the clinic, but it is not clear that clinic BP accurately detects the presence or absence of hypertension in potential donors. We therefore conducted a prospective study ...
Lurbe Empar - - 2008
The goal of this commentary is to review the most relevant topics concerning the clinical utility of ambulatory blood pressure (BP) monitoring, such as the state of the art "reference BP values", the importance of the discrepant situations between office and ambulatory BP (white-coat and masked hypertension) and those of ...
Karavanaki K - - 2007
AIMS: The aim of our study was to assess diurnal blood pressure (BP) and heart rate variability and their possible relationship to the duration of the QT interval in adolescents with Type 1 diabetes. METHODS: In 48 normotensive, normoalbuminuric diabetic adolescents, with a mean (+/- sd) age of 17.3 (+/- ...
Kim Byung Jin - - 2007
BACKGROUND: Subjects with high normal blood pressure (BP: systolic, 130-139 mmHg or diastolic, 85-89 mmHg) have higher cardiovascular risks compared with individuals with normal BP (systolic BP, 120-129 mmHg or diastolic BP, 80-84 mmHg). In the present study the prevalence of microalbuminuria and cardiovascular risk factors, as well as factors ...
Furusawa Kazunari - - 2007
The purpose of the present study was to investigate the relationship between bowel maneuvers and autonomic dysreflexia (AD) in patients with cervical spinal cord injuries (CSCI). Fifteen consecutive, clinically stable patients with CSCI participated. We evaluated changes in blood pressure (BP), pulse rate (PR) and classic symptoms of AD before, ...
Rizzoni Damiano - - 2007
OBJECTIVES: It has been previously demonstrated that the morning rise (MoR) of blood pressure (BP) may predict major cardiovascular events in hypertensive patients. Structural alterations of small resistance arteries, as evaluated by the tunica media to internal lumen ratio (M/L) of subcutaneous small resistance arteries, may also predict cardiovascular events. ...
Eguchi Kazuo - - 2007
Baroreflex sensitivity (BRS) is a primary mechanism for acute and chronic control of blood pressure (BP). However, there are few data showing the relationship between BRS and ambulatory BP (ABP). We assessed the hypothesis that BRS specifically contributes to some specific parameters of ABP in never-treated hypertensive/normotensive subjects. We studied ...
Kim Min Woong - - 2007
BACKGROUND: Cardiovascular events are known to occur more frequently in patients with a high morning surge in blood pressure (BP), but the correlation between a morning BP surge and corrected QT dispersion (QTc) has not been confirmed to date. METHODS AND RESULTS: The correlation between the morning BP surge and ...
Shintani Yoriko - - 2007
OBJECTIVES: To investigate the association between ambulatory blood pressure (BP) variables (level, short-term variability, circadian variation and morning pressor surge) and carotid artery alteration in a general population. METHODS: We measured ambulatory BP every 30 min in 775 participants (mean age 66.2 +/- 6.2 years, 68.8% women) from the Japanese ...
OĊ›wiecimska Joanna - - 2007
OBJECTIVES: Anorexia nervosa (AN) is characterized by marked neuroendocrine and autonomic dysfunctions. In the recent studies using automatic blood pressure monitoring (ABPM), lower BP values and lack of circardian variation of BP in anorectic patients were demonstrated. Unfortunately effects of hormonal changes, that may explain BP abnormalities were not analysed ...
Gosse Philippe - - 2007
BACKGROUND: The use of ambulatory recordings of blood pressure (BP) was proposed to estimate arterial stiffness (AS). We compared the relative value of the ambulatory AS index (AASI), and of the slope of pulse pressure (PP) according to mean BP (MBP) obtained from 24-h ambulatory BP monitoring, to the monitoring ...
Prill Thomas - - 2007
Psychophysiological monitoring can be used to assess emotional reactivity in cardiovascular measures. Since blood pressure (BP) variability in daily life is primarily caused by physical activity, metabolic and nonmetabolic effects are confounded. A newly developed method of multiple accelerometry allows for the control of such unwanted variances by continuously detecting ...
Wang Mei-Yeh - - 2007
This study examined the stability of the morning blood pressure surge (MBPS) and its relation to blood pressure (BP) reactivity in untreated hypertensives. Thirty-six participants completed a stress task at baseline. Ambulatory BP monitoring was carried out three times on a weekday. The MBPS demonstrated small reproducibility and large coefficient ...
Gentilcore Diana - - 2007
Postprandial hypotension is an important clinical problem, particularly in the elderly. 5-Hydroxytryptamine3 (5-HT3) mechanisms may be important in the regulation of splanchnic blood flow and blood pressure (BP), and in mediating the effects of small intestinal nutrients on gastrointestinal motility. The aims of this study were to evaluate the effects ...
Niiranen T J - - 2007
Electrocardiographic evidence of left ventricular hypertrophy (ECG-LVH) has a grave prognostic significance in hypertensive patients. The purpose of our study was to assess whether ECG-LVH is more strongly associated with home-measured blood pressure (BP) than with clinic BP, and whether the correlation between home BP and ECG-LVH increases with the ...
Schoenenberger A W - - 2008
Approximate entropy (ApEn) of blood pressure (BP) can be easily measured based on software analysing 24-h ambulatory BP monitoring (ABPM), but the clinical value of this measure is unknown. In a prospective study we investigated whether ApEn of BP predicts, in addition to average and variability of BP, the risk ...
Siennicki-Lantz A - - 2007
Cerebrovascular disease may be linked with vascular autoregulation in aging. The aim of this study was to examine relation between nocturnal blood pressure (BP) fall and cerebral blood flow (CBF) changes in elderly men. The prospective 'Men born in 1914' cohort study has been in progress since 1968 and included ...
Mattace-Raso Francesco U S - - 2007
OBJECTIVE: Arterial stiffness may be involved in the impairment of the arterial baroreflex. In the present study the associations between arterial stiffness and cardiovagal baroreflex sensitivity (BRS) and between BRS and postural blood pressure (BP) changes were investigated within the framework of the Rotterdam Study. METHODS: Arterial stiffness was determined ...
da Silva Emilia Pereira - - 2007
OBJECTIVE: There is a well known association between mitral valve prolapse (MVP) and low blood pressure (BP), although patients often have high levels of catecholamines and high heart rate (HR). The main objective of our study was to evaluate the effects of long-term adrenergic beta-blockade on these parameters. METHODS: The ...
Kawabe Hiroshi - - 2007
OBJECTIVE: We evaluated which home blood pressure (BP) measurement was most useful in clinical evaluation when we measured it three times per sitting. METHODS: Home BP measurements in the morning and evening were performed for 7 days in 572 volunteers (384 men, 188 women, mean age 41.2 years) in 2002 ...
Ohkubo Takayoshi - - 2007
Ambulatory and home blood pressure (BP) can be measured over an extended period, thus generating information about BP variability. We have monitored a Japanese general population (Ohasama) for 20 years with respect to morbidity and mortality based on ambulatory and home BP, and have demonstrated the unique prognostic significance of ...
Inrig Jula K - - 2007
Hypertension is common in hemodialysis patients; however, the relationship between interdialytic weight gain (IDWG) and blood pressure (BP) is incompletely characterized. This study seeks to define the relationship between IDWG and BP in prevalent hemodialysis subjects. This study used data from 32,295 dialysis sessions in 442 subjects followed up for ...
Hermida Ramón C - - 2007
Ambulatory blood pressure (BP) measurements present a close correlation with target organ damage and cardiovascular events, including myocardial infarction, stroke and cardiovascular mortality. With the use of this measurement technique, a significant circadian variation has been shown to characterize BP. This circadian BP variation, although affected by a variety of ...
Perez-Lloret Santiago - - 2008
The classification of subjects as nocturnal hypertensives in accordance with non-dipping (i.e. systolic blood pressure - BP - fall <10%) is less reproducible as compared to the fixed cut-off limits method (nocturnal BP means >120/70 mm Hg). The present study was carried out to assess if nocturnal hypertension defined by ...
Tatasciore Alfonso - - 2007
Growing evidence associates blood pressure (BP) variability with cardiovascular events in hypertensive patients. Here we tested the existence of a relationship between awake BP variability and target-organ damage in subjects referred for suspected hypertension. Systolic and diastolic BP variability were assessed as the standard deviation of the mean out of ...
Ottaviani Cristina - - 2007
Impaired recovery and plasma concentration of intercellular adhesion molecule-1 (sICAM-1) were both highlighted as plausible and more established markers of cardiovascular disease, respectively. Hemodynamic patterns during recovery and their link with circulating levels of sICAM-1 were examined as predictors of 24-h blood pressure (ABP). Impedance cardiography measures and beat-to-beat BP ...
Lee Mary S - - 2007
Hypertension is the most significant complication from treatment with erythropoietin (Epo). Can Epo-induced hypertension be eliminated? We examined systemic and local effects of our genetically engineered products, Epo-binding protein (Epo-bp) and anti-Epo-bp antibodies, on randomly assigned Sprague-Dawley rats at midnight, 4 am, 8 am, noon, 4 pm, and 8 pm. ...
Tsai Pei-Shan - - 2007
OBJECTIVE: This randomized controlled study examined whether a 4-week blood pressure (BP) biofeedback program can reduce BP and BP reactivity to stress in participants with mild hypertension. METHODS: Participants in the active biofeedback group (n=20) were trained in 4 weekly laboratory sessions to self-regulate their BP with continuous BP feedback ...
Rhee Moo-Yong - - 2007
BACKGROUND: Although the acute increase of arterial stiffness and blood pressure (BP) after cigarette smoking in healthy smokers is considered a possible mechanism of increased cardiovascular risk, the acute effect of smoking on arterial stiffness in hypertensive smokers is unknown. We investigated the acute effects of cigarette smoking on arterial ...
Foo Jong Yong Abdiel - - 2007
The ankle brachial index (ABI) has been widely used to monitor the pathogenesis of peripheral arterial diseases such as ischemia of the extremities. Owing to the occluding nature of ABI measurement, this may not be appealing to less cooperative patients when multiple prolonged screening is required. Recently, a simple non-occluding ...
Stergiou George S - - 2007
BACKGROUND: Our objective was to assess the value of home blood pressure (BP) monitoring in comparison to office BP measurements and ambulatory monitoring in predicting hypertension-induced target-organ damage. METHODS: Sixty-eight untreated patients with hypertension with at least two routine prestudy office visits were included (mean age, 48.6 +/- 9.1 [SD] ...
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