Search Results
Results 501 - 550 of 2843
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Mitchell Andrea Z - - 2010
Animals are commonly used in toxicological research for the evaluation of drug effects on the cardiovascular system. Accurate and reproducible determination of blood pressure (BP) in conscious, manually restrained monkeys and dogs is a challenge with current non-invasive cuff techniques. The High Definition Oscillometry (HDO) technique enables real time measurements ...
Kato Tetsuo - - 2010
We previously reported that high day-by-day blood pressure (BP) variability derived from self-measured BP at home (home BP) predicted cardiovascular mortality over and beyond other risk factors. The objective of this study is to clarify the determinants of the day-by-day home-BP variability. We conducted a cross-sectional community survey in 1,215 ...
Brady Tammy M TM MHS, Johns Hopkins University, David M. Rubenstein Child Health Building, 200 North Wolfe St, Room 3057, Baltimore, MD 21287, USA. - - 2010
The goal was to determine patient-, provider-, and clinic-level predictors of unrecognized elevated blood pressure (BP) in children. We hypothesized that being of healthy weight, having a BP of <120/80 mmHg, and being seen by a less experienced provider would result in decreased recognition. A cross-sectional study of clinic visits ...
Ma J F - - 2010
BACKGROUND: To investigate the relationship between nocturnal blood pressure (BP) variation and silent cerebral infarction (SCI) in hypertensive patients. METHODS: We retrospectively collected demographic, clinical, and laboratory data from 188 Chinese hypertensive patients (111 with SCI, 77 with non-SCI) and analyzed nocturnal BP variation in the SCI and non-SCI patients. ...
Maximova Katerina - - 2010
BACKGROUND: Studies suggest that sex differences in blood pressure (BP) are established early in life. Sex differences in BP increases that occur during adolescence may be due to differences in changes in anthropometric characteristics. METHODS: Using sex-specific individual growth models, we assessed the effect of height, body mass index (BMI; ...
Wexler Randy - - 2010
The accurate assessment and appropriate management of blood pressure (BP) is critical for primary care physicians. Traditional office-based BP measurement has limitations that can be addressed, in part, through the use of ambulatory BP monitoring (ABPM). Because BP readings are provided at specific time intervals throughout a 24-hour period, ABPM ...
Eguchi Kazuo - - 2010
OBJECTIVE: We tested the reproducibility of ambulatory blood pressure (ABP), BP variability, and BP reduction in hypertensive patients. METHODS: Forty-two hypertensive patients were enrolled, and ABP monitoring (ABPM) was performed four times in each patient: twice before and twice after the treatment. Morning BP was defined as the average of ...
Alves Maria Janieire Nazaré Nunes - - 2010
PURPOSE: Previous studies showed that anabolic androgenic steroids (AAS) increase vascular resistance and blood pressure (BP) in humans. In this study, we tested the hypotheses 1) that AAS users would have increased muscle sympathetic nerve activity (MSNA) and reduced forearm blood flow (FBF) compared with AAS nonusers and 2) that ...
Pinar Rukiye - - 2010
AIMS: The aim of this study was to examine whether there is any difference between BP readings with patients crossing a leg at the knee level and uncrossing during BP measurement. BACKGROUND: It is clear that numerous factors influence an individual's blood pressure (BP) measurement. However, guidelines for accurately measuring ...
Zaninelli Augusto - - 2010
BACKGROUND: Guidelines recommend that blood pressure (BP) should be lowered in hypertensive patients to prevent cardiovascular accidents. Management of antihypertensive treatment by general practitioners is usually based on office measurements, which may not allow an assessment of BP control over 24 h, which requires ambulatory BP monitoring (ABPM) to be ...
Hermida Ramón C RC Bioengineering Laboratory, University of Vigo, Campus Universitario, Vigo, Spain. - - 2010
The administration of most angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers (ARBs) at bedtime results in a greater reduction of nighttime blood pressure (BP) than dosing upon awakening. It has been proposed that this effect may be a consequence of a short half-life and duration of action. However, those ...
Delfino Ralph J RJ Department of Epidemiology, School of Medicine, University of California, Irvine, CA 92617, USA. - - 2010
Associations between blood pressure (BP) and ambient air pollution have been inconsistent. No studies have used ambulatory BP monitoring and outdoor home air-pollutant measurements with time-activity-location data. We address these gaps in a study of 64 elderly subjects with coronary artery disease, living in retirement communities in the Los Angeles ...
Brickman Adam M AM Taub Institute for Research on Alzheimer's Disease and the Aging Brain, College of Physicians and Surgeons, Columbia University, New York, New York 10032, USA. - - 2010
The importance of subclinical cerebrovascular disease in the elderly is increasingly recognized, but its determinants have not been fully explicated. Elevated blood pressure (BP) and fluctuation in BP may lead to cerebrovascular disease through ischemic changes and compromised cerebral autoregulation. To determine the association of BP and long-term fluctuation in ...
Shibamiya Taku - - 2010
This study compares relationships between each of morning home blood pressure (BP), evening home BP and office BP with electrocardiographic (ECG) abnormalities among treated hypertensive Japanese patients. We defined ECG left ventricular hypertrophy (LVH) as Sokolow-Lyon voltage and/or Cornell voltage duration product. Abnormal T waves and ST segment depression were ...
Metoki Hirohito - - 2010
The introduction of 24-h ambulatory blood pressure (BP) monitoring has enabled BP evaluations at specific times of the day. Associations between diurnal BP variation and cardiovascular prognosis have been investigated in the Ohasama study, which is an epidemiological survey of hypertension using ambulatory and home BP monitoring that has been ...
Stergiou George S - - 2010
Ambulatory arterial stiffness index (AASI) is a novel index derived from the linear relationship between 24-h ambulatory systolic and diastolic blood pressure (BP) measurements. This study investigated whether 'home arterial stiffness index' (HASI) based on self-home BP measurements is similar to AASI. A total of 483 hypertensive subjects underwent 24-h ...
Rodríguez-Gómez Isabel - - 2010
We investigated the contribution of the sympathetic tone to the hypertension induced by chronic administration of buthionine sulfoximine (BSO) and characterized this model in mice. Three experiments were performed. In experiment I, four groups of CBA-C57 male mice were used: controls and three groups that received oral BSO at 5, ...
Agarwal Rajiv - - 2010
Intradialytic blood pressure (BP) profiles have been associated with all-cause mortality, but its pathophysiology remains unknown. We tested the hypothesis that intradialytic changes in BP reflect excess volume. The dry weight reduction in hypertensive haemodialysis patients (DRIP) trial probed dry weight in 100 prevalent haemodialysis patients; 50 patients who did ...
Niiranen Teemu J - - 2010
Previous studies with some limitations have provided equivocal results for the prognostic significance of home-measured blood pressure (BP). We investigated whether home-measured BP is more strongly associated with cardiovascular events and total mortality than is office BP. A prospective nationwide study was initiated in 2000 to 2001 on 2081 randomly ...
McHugh Julia J Autonomic Dysfunction Center, Departments of Medicine, Vanderbilt University, Nashville, TN 37232-2195, - - 2010
Human subjects with impaired baroreflex function cannot buffer rises or falls in blood pressure (BP), thus allowing BP effects of endogenous or environmental stimuli that previously escaped detection to emerge dramatically. Studies in these patients led us to discover that water ingestion induced a robust increase in BP and vascular ...
Zhang Kuixing K Department of Medicine, University of California at San Diego, San Diego, California, - - 2010
The purpose of this study is to understand whether naturally occurring genetic variation in the promoter of chromogranin B (CHGB), a major constituent of catecholamine storage vesicles, is functional and confers risk for cardiovascular disease. CHGB plays a necessary (catalytic) role in catecholamine storage vesicle biogenesis. Previously, we found that ...
Sipilä R - - 2010
To approximate the workload of blood pressure (BP) measurements and lifestyle counselling in primary healthcare when the related guidelines are followed. To evaluate the impact of facilitated guideline implementation with respect to workloads. Modelling study after cross-sectional audit process. Thirty-one municipal health stations. Intervention Intrinsic facilitation in implementation of hypertension ...
Conen David D Department of Medicine, University Hospital, Basel, Switzerland. - - 2010
While elevated blood pressure (BP) has been consistently associated with incident congestive heart failure (CHF), much less is known about the effect of BP change. We therefore assessed the association of BP change over time with subsequent risk of CHF. 4655 participants >/=65 years old from the prospective Established Populations ...
Schell Kathleen - - 2010
When patients' upper arms are not accessible and/or when cuffs do not fit large upper arms, the forearm site is often used for blood pressure (BP) measurement. The purpose of this study is to compare forearm and upper-arm BPs in 70 acutely ill adults, admitted to a community hospital's 14-bed ...
Tuomikoski Pauliina - - 2010
BACKGROUND: Menopausal hot flushes may be a marker for a difference in vascular function. We studied the associations between hot flushes of varying severity and ambulatory blood pressure (BP) and heart rate (HR). METHODS: A total of 147 women with onset of menopause within the preceding 6-36 months reported no ...
Stolarz-Skrzypek Katarzyna - - 2010
Thomas G. Pickering spent most of his scientific career in carrying out research on clinical hypertension and blood pressure (BP) measurement. In our review of Pickering's seminal work, we first focused on white-coat hypertension and masked hypertension, two terms that he had introduced. Next, we highlighted the early publications of ...
Myers Martin G - - 2010
To validate an algorithm for the interpretation of automated office blood pressure (AOBP) measurement based upon data from untreated patients referred by physicians in the community for 24-h ambulatory blood pressure monitoring (ABPM). An algorithm for interpreting AOBP readings was developed taking into account the previously documented equivalence of AOBP ...
Do─čru M Tolga - - 2010
We investigated differences in autonomic activity in normotensive individuals having optimal, normal and high-normal blood pressure (BP) levels according to the guidelines of the European Society of Hypertension and European Society of Cardiology (ESH/ESC). The study included 294 normotensive subjects (135 males, 159 females; age range 16 to 75 years) ...
Kim Jiyun - - 2010
The primary objective of this study was to investigate the factors affecting the level of compliance of home blood pressure monitoring (HBPM) and its relation to blood pressure (BP) control among hypertensive adults in a community setting. A total of 377 middle-aged Korean Americans with high BP participated in this ...
Ogedegbe Gbenga - - 2010
The contribution of Dr Thomas Pickering's study to the measurement of blood pressure (BP) is the defining aspect of his academic career and achievement - narrowly defined. In this regard, two important areas characterized his study as it relates to masked hypertension. First, he introduced the term, masked hypertension, to ...
Doyle Joseph - - 2010
The impact of a hypertension awareness and educational program, BP DownShift, was evaluated among school bus drivers in a southern US state. At baseline (August 2007), blood pressure (BP) measurements, self-reported demographics, and hypertension awareness and management practices were collected from drivers who consented to participate in the study. Interventions ...
Brennan Troyen T Aetna, Hartford, Connecticut, - - 2010
African Americans have a higher prevalence of hypertension and poorer cardiovascular and renal outcomes than white Americans. The objective of this study was to determine whether a telephonic nurse disease management (DM) program designed for African Americans is more effective than a home monitoring program alone to increase blood pressure ...
Agyemang Charles - - 2010
We compare patterns of blood pressure (BP) and prevalence of hypertension between white-Dutch and their South-Asian and African minority groups with their corresponding white-English and their South-Asian and African ethnic minority groups; and the contribution of physical activity, body sizes, and socioeconomic position (SEP); and the quality of BP treatment ...
Kabutoya Tomoyuki T Division of Cardiovascular Medicine, Department of Medicine, Jichi Medical University School of Medicine, Shimotsuke, Tochigi, - - 2010
There have been few reports on the relationship between variation in the diurnal pulse rate (PR) in relation to a nondipper blood pressure (BP) pattern and cardiovascular events in elderly hypertensives. Ambulatory BP monitoring (ABPM) was conducted at baseline in 811 older Japanese hypertensives (clinical BP >140/90 mm Hg; age ...
Cornelissen V A - - 2011
We reported previously that two otherwise identical training programs at lower (LI) and higher intensity (HI) similarly reduced resting systolic blood pressure (BP) by approximately 4-6 mmHg. Here, we determined the effects of both programs on BP-regulating mechanisms, on biomarkers of systemic inflammation and prothrombotic state and on the heart. ...
Hansen Tine W - - 2010
In previous studies, of which several were underpowered, the relation between cardiovascular outcome and blood pressure (BP) variability was inconsistent. We followed health outcomes in 8938 subjects (mean age: 53.0 years; 46.8% women) randomly recruited from 11 populations. At baseline, we assessed BP variability from the SD and average real ...
Duchateau François-Xavier - - 2010
Guidelines for advanced life support of cardiac arrest (CA) emphasize continuous and effective chest compressions as one of the main factors of cardiopulmonary resuscitation (CPR) success. The use of an automated load distributing chest compression device for CPR is promising but initial studies on survival show contradictory results. The aim ...
Tsioufis Costas - - 2010
Evidence suggests that resistin, a recently described protein, is associated with subclinical atherosclerosis in different clinical settings. In this study, we investigated the relationship of increased resistin levels with urinary albumin excretion, expressed as the albumin-to-creatinine ratio (ACR), an established index of diffuse vascular damage, in hypertensives. Our population consisted ...
Campbell P P Division of Hypertension and Clinical Pharmacology, Calhoun Cardiology Center, University of Connecticut School of Medicine, Farmington, CT, - - 2010
Although it is known that reproducibility of ambulatory blood pressure (BP) is superior to office BP in middle-aged subjects, little is known in older age groups. Hence, we compared the long-term reproducibility of ambulatory and office BP readings in subjects over the age of 75 years. A cohort of 72 ...
Gherghel Doina - - 2010
PURPOSE: To investigate the relationship between the occurrence of transient cardiac ischaemic episodes and variations in the ambulatory 24-h blood pressure and heart rate measurements in a group of unselected glaucoma patients. DESIGN: Prospective study. PARTICIPANTS: Twenty-four consecutive glaucoma patients and 23 age-matched controls were included in the present study. ...
Pickering Thomas G - - 2010
This American Society of Hypertension position paper focuses on the importance of out-of-office blood pressure (BP) measurement for the clinical management of patients with hypertension and its complications. Studies have supported direct and independent associations of cardiovascular risk with ambulatory BP and inverse associations with the degree of BP reduction ...
Querques M - - 2010
Hypertension confers higher cardiovascular (CV) risk in hemodialysis (HD) patients, perhaps because patients with CKD have a high burden of traditional cardiovascular risk factors in addition to a range of non-traditional risk factors such as anemia, left ventricular hypertrophy, inflammation and abnormal metabolism of calcium and phosphate. Potentially beneficial therapies ...
Octavio Jos? A - - 2010
BACKGROUND: Conventional calculation of mean 24-h ambulatory blood pressure (BP), SBP and DBP based on the average of all BP readings disregards the fact that a larger number of measurements is usually scheduled during the daytime than at night, an imbalance possibly leading to an overestimation of 24-h average BP. ...
Bryan Shirley S Physical Health Measures Division, Statistics Canada, Ottawa, Ontario K1A 0T6. - - 2010
Directly measured blood pressure (BP) data have not been collected in Canada since the Canadian Heart Health Surveys, conducted between 1985 and 1992. Because hypertension is often asymptomatic, a large proportion of those with the condition are unaware of it. These analyses use BP and heart rate (HR) data from ...
Lee Sang-Ah SA Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt University Medical Center and Vanderbilt-Ingram Cancer Center, 2525 West End Avenue, Suite 600, IMPH, Nashville TN 37203-1738, - - 2010
The prevalence of hypertension has increased over the past decade in many developed and developing countries, including China. This increase may be associated with changes in lifestyle, including dietary patterns. We evaluated the association of dietary patterns with blood pressure (BP) by using data from a large, population-based cohort study ...
Yasui Daisaku - - 2010
Several observational studies have shown that treated hypertensives are characterized as having worse prognosis than nonhypertensives. However, there is little evidence based on home blood pressure (home BP) measurement. We compare the risk of stroke between untreated individuals and those taking antihypertensive medication based on home BP and casual-screening BP ...
Zou Ding - - 2010
OBJECTIVE: Pulse wave attenuation, which occurs in association with obstructive sleep apnea (OSA), is sympathetically mediated. We compared the effect of Doxazosin (DO, a peripheral alpha-receptor inhibitor) and Enalapril (EN, an ACE inhibitor) on digital vasoconstriction and nocturnal blood pressure (BP) in hypertensive OSA patients. METHODS: A double-blind, crossover study ...
Medina-Remón A - - 2011
Dietary factors are critical for the prevention and treatment of hypertension, but data on the effects of specific nutrients on blood pressure (BP) are scarce. The aim of this study was to assess the relationship between total polyphenol excretion (TPE) in urine, as an objective measurement of total polyphenol intake ...
McGowan N - - 2010
The European Society of Hypertension (ESH), the American Heart Association (AHA) and the American Society of Hypertension (ASH) have published guidelines for self-monitoring of blood pressure (SBPM). We aimed to demonstrate the equivalence of SBPM with ambulatory blood pressure monitoring (ABPM) in the assessment of hypertension. A total of 87 ...
Agarwal Rajiv - - 2010
Median BP obtained over a single dialysis treatment can diagnose hypertension among hemodialysis patients. Whether median BP is as useful to track change in BP is unknown. Among patients participating in the dry-weight reduction in hypertensive hemodialysis patients (DRIP) trial, interdialytic ambulatory BP was recorded at baseline, 4 weeks, and ...
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