Search Results
Results 451 - 500 of 2558
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Linden Wolfgang - - 2008
BACKGROUND: In healthy individuals, blood pressure (BP) decreases, or "dips", during sleep. Ethnicity and high daytime blood pressure level are known markers of nondipping status. The literature on psychological markers of nondipping is scant but suggests that anger/hostility and chronic stress may be contributors to nondipping. PURPOSE: We have investigated ...
Fagard Robert H - - 2008
OBJECTIVE: To assess the prognostic significance of nighttime and daytime blood pressure (BP), their ratio and the nighttime dipping pattern for mortality and recurrent cardiovascular (CV) events in patients with CV disease at baseline. BACKGROUND: The prognostic value of ambulatory BP has not been reported in hypertensive patients with a ...
Myers Martin G - - 2008
OBJECTIVE: To determine the optimum interval between serial blood pressure measurements using an automated BpTRU sphygmomanometer. METHODS: Two groups of 200 patients each had automated office measurements taken using the BpTRU device at either 1-min or 2-min intervals from the start of one reading to the start of the next ...
Do─čru Mehmet Tolga - - 2008
OBJECTIVE: We aimed in this study to investigate the differences in left ventricular (LV) structure, function and elastance parameters in the patients with normotensive blood pressure (BP) levels. METHODS: A total of 294 normotensive patients (<140/90 mmHg) (135 males, mean age: 45+/-11 years; 159 females, mean age 38+/-10 years) were ...
Pogue Velvie - - 2009
Ambulatory blood pressure (ABP) monitoring provides unique information about day-night patterns of blood pressure (BP). The objectives of this article were to describe ABP patterns in African Americans with hypertensive kidney disease, to examine the joint distribution of clinic BP and ABP, and to determine associations of hypertensive target organ ...
Fedorova Olga V - - 2008
Levels of marinobufagenin (MBG), an endogenous bufadienolide Na/K-ATPase (NKA) inhibitor, increase in preeclampsia and in NaCl-sensitive hypertension. We tested a 3E9 monoclonal anti-MBG antibody (mAb) for the ability to lower blood pressure (BP) in NaCl-sensitive hypertension and to reverse the preeclampsia-induced inhibition of erythrocyte NKA. Measurements of MBG were performed ...
Okamoto Luis E LE Division of Clinical Pharmacology and Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN, - - 2009
Blood pressure (BP) normally decreases during the night. Absence of this phenomenon (nondipping) is associated with increased cardiovascular risk. Altered autonomic and endocrine circadian rhythms are suspected to play a role. Patients with peripheral autonomic failure offer a unique opportunity to study this phenomenon, because approximately 50% develop supine hypertension ...
Bays H E - - 2009
Nicotinic acid (niacin) is a well-established treatment for dyslipidaemia - an important cardiovascular disease (CVD) risk factor. However, niacin may also reduce blood pressure (BP), which is another important CVD risk factor. This review examines the limited publicly available data on niacin's BP effects. Acute administration of immediate-release niacin may ...
Harbison J A - - 2009
BACKGROUND: Fatigue affects up to 68% of subjects following stroke. In non-stroke patients, associations are reported between chronic fatigue and both hypertension and hypotension. We hypothesized that, in patients with stroke or transient ischaemic attack (TIA), an association may exist between fatigue and abnormal blood pressure (BP) detected on ambulatory ...
Salles Gil F - - 2008
BACKGROUND: The prognostic value of office and ambulatory blood pressures (BPs) in patients with resistant hypertension is uncertain. METHODS: This prospective study investigates the importance of office and ambulatory BPs as predictors of cardiovascular morbidity and mortality. At baseline, 556 resistant hypertensive patients underwent clinical-laboratory and 24-hour ambulatory BP monitoring ...
Ritter Martin A - - 2009
BACKGROUND AND PURPOSE: Admission blood pressure (BP) and significant decreases in BP after acute stroke have been correlated with outcome. Few data are available on the impact of extreme values at any time point within the first 24 hours. METHODS: BP was measured hourly for 24 hours in 325 consecutive ...
Anastas Zoe M - - 2008
BACKGROUND AND RESEARCH OBJECTIVE: Limited research is available on the accuracy of automatic blood pressure (BP) measurement devices in patients with irregular rhythms. The purpose of this study was to examine the agreement between different methods for noninvasive BP measurement in patients with atrial fibrillation. SUBJECTS AND METHODS: In a ...
Jones Deborah P - - 2008
Hyperuricemia is associated with primary hypertension (HTN) in adults and children. Furthermore, uric acid levels during childhood are associated with blood pressure (BP) levels in adulthood. We measured 24-h ambulatory BP and serum uric acid (SUA) in 104 children referred for possible hypertension. Mean age was 13.7 +/- 2.6 y ...
Cugini P - - 2008
Presently, the ambulatory (A) blood (B) pressure (P) monitoring (M) is mainly used for diagnosing arterial hypertension (AH) in some special clinical conditions in which the causal sphygmomanometry appears not to be enough exhaustive. However, it must be pointed out that the actual approach to ABPM is almost simplistic, only ...
Gaillard Trudy - - 2009
African-American women (AAW) suffer disproportionately from hypertension and its consequences. We investigated the significance of systolic and diastolic blood pressure (SBP/DBP) as components of metabolic syndrome (MetS) in nondiabetic, overweight/obese AAW. We studied 258 AAW (mean age, 42.4 +/- 8.4 years and body mass index (BMI), 33.4 +/- 8.0 kg/m(2)) ...
Taylor Jacquelyn Y - - 2009
This study examines risks for high blood pressure (BP) among undiagnosed African American mothers and daughters, because African American children are at risk for hypertension due to familial influences. This study was cross-sectional in design and included 70 African American mother and daughter participants from the Detroit metropolitan area. BP ...
Fukuda Michio - - 2008
We have postulated that the diminished renal capacity to excrete sodium causes nocturnal blood pressure (BP) elevation, which enhances pressure natriuresis in compensation for impaired daytime natriuresis. If such a mechanism holds, high BP during sleep at night may continue until excess sodium is sufficiently excreted into urine. This study ...
Kabutoya Tomoyuki - - 2009
The negative white-coat effect (WCE), a phenomenon in which out-of-office blood pressure (BP) is higher than clinic BP, has not been well examined, unlike the WCE. As part of the Jichi Morning Hypertension Research study, in which clinic and home BP were measured in 969 hypertensive outpatients, 405 patients with ...
Bouhanick B - - 2008
AIM: To assess whether reverse-dipping status is associated with cardiovascular (CV) events such as CV death, myocardial infarction (MI) or stroke in diabetic patients with hypertension. METHODS: A total of 97 diabetic patients underwent their first ambulatory blood pressure monitoring (ABPM 1). "Reverse dippers" were defined as patients with a ...
Pickering Thomas G - - 2008
Inadequate blood pressure (BP) control in patients with treated hypertension can be influenced by patient behavior, the inaccuracy of BP measurement in the clinical setting, and the fact that no single class of medication is universally effective. Home BP monitoring (HBPM) enables accurate measurement of BP and has been recommended ...
Grieshaber Matthias C - - 2009
PURPOSE: This study aimed to determine whether ocular pulse amplitude (OPA) measured with dynamic contour tonometry (DCT) is related to systemic blood pressure (BP) parameters. METHODS: Blood pressure was measured continuously and simultaneously with OPA in one randomly selected eye in 29 healthy subjects. Systemic parameters of interest were: systolic ...
van der Sande Frank M - - 2009
Cool dialysate may ameliorate intradialytic hypotension (IDH). It is not known whether it is sufficient to prevent an increase in core temperature (CT) during hemodialysis (HD) or whether a mild decline in CT would yield superior results. The aim of this study was to compare both approaches with regard to ...
Collier S R - - 2008
The benefits of aerobic exercise (AE) training on blood pressure (BP) and arterial stiffness are well established, but the effects of resistance training are less well delineated. The purpose of this study was to determine the impact of resistance vs aerobic training on haemodynamics and arterial stiffness. Thirty pre- or ...
Stergiou George S - - 2008
The surge in blood pressure (BP) upon rising after waking in the morning has been associated with increased risk of target organ damage and cardiovascular events. The reproducibility of this phenomenon within the same 24-h period was tested in subjects with a siesta during ambulatory BP monitoring by assessing the ...
Dechering Dirk G - - 2008
BACKGROUND: We studied the repeatability of the ambulatory arterial stiffness index (AASI), which can be computed from 24-h blood pressure (BP) recordings as unity minus the regression slope of diastolic on systolic BP. METHODS: One hundred and fifty-two hypertensive outpatients recruited in Nijmegen (mean age = 46.2 years; 76.3% with ...
Vij Rajiv S - - 2008
OBJECTIVE: Hemodynamic measurements are important in the understanding of hemodialysis (HD) hypertension and intradialytic hypotension. The reproducibility of hemodynamic measurements in HD patients is not known and is the objective of this report. METHODS: We enrolled 13 male patients (mean age 63+/-13 years) on stable chronic HD. Blood pressure (BP) ...
Ishikawa Joji - - 2008
Home blood pressure (HBP) monitoring is recommended for assessing the effects of antihypertensive treatment, but it is not clear how the treatment-induced changes in HBP compare with the changes in clinic blood pressure (CBP). We searched PubMed using the terms "home or self-measured blood pressure," and selected articles in which ...
Candan Cengiz - - 2009
The aim of this study was to adjust dry weight by short-term blood volume monitoring (BVM)-guided ultrafiltration and evaluate the effects of optimizing dry weight on blood pressure (BP) control and intradialytic symptoms (IDS) in a group of hypertensive hemodialysis (HD) patients. The study was performed in four sequential phases, ...
Kaliaperumal S - - 2008
PURPOSE: To find the association of retinopathy in preeclampsia with fetal birthweight and systolic and diastolic blood pressure (BP) in patients with mild and severe preeclampsia. METHODS: Medical records of patients with preeclampsia who delivered at term between January 2002 and December 2006 were included in the study. Patients with ...
Balldin Ulf - - 2008
BACKGROUND: Electrical muscle stimulation (EMS) is used to strengthen muscles in rehabilitation of patients and for training of athletes. Voluntary muscle straining and an inflated anti-G suit increase the arterial blood pressure (BP) and give a pilot G protection during increased +Gz. This study's aim was to measure whether BP ...
Su Wen W Department of Physiology and Graduate Center for Nutritional Sciences, University of Kentucky, Lexington, Kentucky 40536, - - 2008
Human Type 2 diabetes is associated with increased incidence of hypertension and disrupted blood pressure (BP) circadian rhythm. Db/db mice have been used extensively as a model of Type 2 diabetes, but their BP is not well characterized. In this study, we used radiotelemetry to define BP and the circadian ...
Rohrscheib Mark R - - 2008
BACKGROUND AND OBJECTIVES: Despite the high prevalence of cardiovascular disease among hemodialysis patients, the relationship between age and blood pressure (BP) is not well understood. It was postulated that the relationship of BP to age differs among hemodialysis patients versus the general population and that there is significant variability in ...
Stergiou George S - - 2008
Preliminary evidence suggests that the morning surge (MS) in blood pressure (BP) is an independent predictor of cerebrovascular disease. However, the optimal definition of MS is uncertain. To compare the reproducibility of several MS definitions used in the literature, 132 untreated hypertensives were assessed with ambulatory BP monitoring twice, 2 ...
Xue-Rui Tan - - 2008
OBJECTIVE: This study is to observe the changes of blood pressure (BP), heart rate (HR), double product (DP) and heart rate variability during sexual activity in healthy adults before we cover patients with chronic cardiovascular disease. METHODS: Forty-nine participants grouped by sex, 22 males, aged 40.6+/-7.8 years; 27 females, aged ...
Dionne Janis M - - 2008
OBJECTIVES: Disturbances of blood pressure (BP) rhythms have been demonstrated in patients with various degrees of renal impairment. The purpose of this study was to determine the prevalence of BP abnormalities in children with chronic kidney disease (CKD) and evaluate possible factors associated with nocturnal BP abnormalities. METHODS: 42 children ...
Kura Naoki - - 2008
BACKGROUND: The aim of the present study was to measure peripheral blood flow (BF) with a new finger-occlusion plethysmograph (FOP) and to compare this to BF measured with a laser Doppler flowmeter (LDF). An additional objective was to investigate the relationship between hypertension-related clinical parameters and peripheral vascular resistance (PVR) ...
Stergiou George S - - 2008
Current guidelines for office blood pressure (BP) measurement recommend mercury devices, both arms measurement in the initial assessment and at least duplicate measurements at follow-up visits. This study presents the design and a pilot application study of an automated device that fulfils American, European, and International guidelines for office BP ...
Kario Kazuomi - - 2008
The early morning surge in blood pressure (BP) in patients with hypertension is associated with an increased risk of cardiovascular events, such as myocardial infarction and stroke, especially in the presence of comorbidities of diabetes, cardiac and renal disease. A variety of nonhemodynamic factors contribute to the early morning prothrombotic ...
Ingelsson Erik - - 2008
Long-term blood pressure (BP) progression and its importance as a predictor of clinical outcome have not been well characterized across different periods. We evaluated period trends for 3 BP variables (long-term slope and mean BP during a baseline period of 16 years, and last baseline value) in an earlier period ...
Utsugi Megumi T - - 2008
It is well recognized that high fruit and vegetable consumption is associated with a reduction of blood pressure (BP) measured by conventional BP measurement in Western countries; however, there is little evidence about these associations in other regions and there have been no reports on these associations using self-measured BP ...
Mominadam Siddig - - 2008
Unlike in subjects with normal renal function, the relationship between hypertension and cardiovascular morbidity and mortality in dialysis patients is still being debated. In order to clarify this issue, we performed 44-hour ambulatory blood pressure measurements (ABPM) during the interdialytic period in a group of 164 hypertensive patients, the blood ...
Fouillioux Christian - - 2008
Leptin, a 167-amino acid peptidic hormone secreted by adipose tissue, acts mainly in the arcuate hypothalamus nucleus as a satiety signal, but given its closed connections with inflammatory and endothelial systems, a probable regulatory role in blood pressure (BP) control by interaction with nitric oxide (NO) and C-reactive protein (CRP) ...
Hsiu H - - 2008
MOTIVATION: This study tests if the 'oscillating spring' analogy for the radial vibration of the arterial wall can help to describe the relationship between the heart rate (HR), the blood pressure (BP), and properties of the arterial wall when different types of stimulation are applied on the cardiovascular system. It ...
Carbuhn Aaron F - - 2008
The authors were aware of no published studies in which the performance characteristics of first-year National Collegiate Athletic Association Division I collegiate football players were reported. From 2003 to 2006, 73 freshman and 12 transfer football recruits were tested before twice-a-day practices for bench press (BP), squat (SQ), power clean ...
Verberk Willem J - - 2008
BACKGROUND: Masked hypertension (MH) is a relatively newly detected condition of which little is known. More information about MH may help to improve overall antihypertensive health care. We aimed to investigate the prevalence, potential causes, and associated consequences of MH. METHODS: We searched published literature using MEDLINE, EMBASE, and the ...
Fava Cristiano - - 2008
Cytochrome (CYP) 4A11 and CYP4F2 are responsible for renal production of 20-hydroxyeicosatetraenoic acid, a vasoconstrictor and natriuretic substance. The CYP4A11 F434S and CYP4F2 V433M polymorphisms reduce 20-hydroxyeicosatetraenoic acid production in vitro. The aim of the present study was to evaluate the effect of these polymorphisms on blood pressure (BP) levels, ...
Xu Jia-Ying - - 2008
OBJECTIVE: To better understand and summarize the relation between milk peptide intake and blood pressure (BP), we conducted a meta-analysis of randomized controlled trials to assess the effects of the milk-derived tripeptides isoleucine-proline-proline and valine-proline-proline on BP in prehypertensive and hypertensive subjects. METHODS: Nine studies including 12 trials published between ...
Chen Xiaoli X Center for Human Nutrition, Department of International Health, Bloomberg School of Public Health Johns Hopkins University, 615 N Wolfe St, Baltimore, MD 21205, - - 2008
A large number of studies have examined the tracking of blood pressure (BP) from childhood to adulthood, but the reported findings are inconsistent and few systematic analyses have been conducted. We conducted a systematic search of PubMed for studies that examined the tracking of BP from childhood to adulthood published ...
Päivä Hannu - - 2008
BACKGROUND: This study was designed to evaluate whether plasma asymmetric dimethylarginine (ADMA) has any role in predicting hemodynamic responses in clinically healthy young subjects. ADMA, as an endogenous nitric oxide (NO) synthase inhibitor, has been demonstrated to associate with hypertension and vascular reactivity in experimental but not undoubtedly in physiological ...
Protogerou Athanase D - - 2008
Carotid-femoral pulse wave velocity (PWV), an integrated marker of segmental aortic stiffness, was recently proposed as one of the underlying mechanisms inducing orthostatic hypotension in the elderly with marked arterial rigidity. We examined the relationship between PWV (Complior; Colson, Paris, France) and orthostatic blood pressure (BP) changes, measured repeatedly, over ...
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