Search Results
Results 401 - 450 of 2434
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Pickering Thomas G - - 2008
Home blood pressure monitoring (HBPM) overcomes many of the limitations of traditional office blood pressure (BP) measurement and is both cheaper and easier to perform than ambulatory BP monitoring. Monitors that use the oscillometric method are currently available that are accurate, reliable, easy to use, and relatively inexpensive. An increasing ...
Baguet Jean-Philippe - - 2008
BACKGROUND: Ambulatory blood pressure (BP) monitoring (ABPM) detects subjects with normal clinic but high ambulatory 24-h BP, that is, masked hypertension. METHODS: One hundred and thirty newly diagnosed obstructive sleep apnea syndrome (OSAS) patients, free of recognized cardiovascular disease were included (111 men, age = 48 +/- 1 years, BMI ...
Afsar Baris - - 2008
BACKGROUND: The effect of uric acid on nocturnal dipping in hypertensive patients is unknown. We analyzed the specific relationship between uric acid and nocturnal dipping status in newly diagnosed essential hypertensive patients with normal renal function. METHODS: Two hundred fifteen patients with newly diagnosed essential hypertension underwent 24-hour ambulatory blood ...
Santamore William P - - 2008
In underserved populations, inadequate surveillance and treatment allows hypertension to persist until actual cardiovascular events occur. Thus, we developed an Internet-based telemedicine system to address the suboptimal control of hypertension and other modifiable risk factors. To minimize cost, the subjects used home monitors for blood pressure (BP) measurements and entered ...
Muxfeldt Elizabeth S - - 2008
OBJECTIVE: Nocturnal blood pressure (BP) reduction and ambulatory pulse pressure (PP) are well known prognostic markers obtained from ambulatory BP monitoring (ABPM). The aim of this study is to investigate which one of these ABPM parameters is related to high cardiovascular risk profile in resistant hypertension, based on their associations ...
Chen Jing - - 2008
OBJECTIVE: To examine the association between blood pressure (BP) and mortality among patients with a history of cardiovascular disease (CVD) in China. METHODS: We conducted a prospective cohort study among 4195 CVD patients aged 40 years and older. Data on BP and covariables were obtained at a baseline examination in ...
Morabito Marco - - 2008
BACKGROUND: Higher blood pressure (BP) values in cold than in hot months has been documented in hypertensives. These changes may potentially contribute to the observed excess winter cardiovascular mortality. However, the association with weather has always been investigated by considering the relationship with a single variable rather than considering the ...
Formiga Francesc - - 2009
The objective of the study is to investigate ambulatory blood pressure monitoring (ABPM) in a sample of Spanish nonagenarians. We also analyzed the misdiagnosis of hypertension and investigated blood pressure (BP) control in treated hypertensive nonagenarians. Twenty-four-hour ABPM was undertaken in a group of 42 nonagenarians. The 24-h mean, daytime ...
Flynn Joseph T - - 2008
Publication of the Fourth Report on high blood pressure (BP) in children and adolescents by the National High BP Education Program (NHBPEP) in 2004 has been followed by a remarkable increase in interest in pediatric hypertension. New data have emerged on the epidemiology of hypertension in the young, the influence ...
Ziemssen Focke - - 2009
A dose-dependent increase in arterial blood pressure (BP) was seen during bevacizumab treatment given intravenously for metastatic carcinoma. Because low systemic levels can also be expected after the intravitreal administration of bevacizumab, we looked for possible haemodynamic reactions of patients at higher risk of developing cardiovascular events after bevacizumab injection. ...
Tsioufis C - - 2008
We investigated the effect of the diverse definition criteria of the dipping and non-dipping status on the assessed differences in inflammatory activation between dippers and non-dippers with essential hypertension. 269 consecutive subjects (188 males, aged 50+/-7 years) with untreated stage I-II essential hypertension underwent ambulatory blood pressure (BP) monitoring and ...
Henskens Léon H - - 2008
OBJECTIVE: We assessed how different definitions of the awake and asleep periods and use of various blood pressure (BP) indices affect the extent of the nocturnal BP dip, the prevalence of dippers and nondippers, their respective reproducibilities and the relation of nondipping with target-organ damage. METHODS: We performed 24-h ambulatory ...
Panerai R B - - 2008
Temporal variability of parameters which describe dynamic cerebral autoregulation (CA), usually quantified by the short-term relationship between arterial blood pressure (BP) and cerebral blood flow velocity (CBFV), could result from continuous adjustments in physiological regulatory mechanisms or could be the result of artefacts in methods of measurement, such as the ...
Karavanaki K - - 2008
Diabetic cardiomyopathy is a well-defined complication of diabetes that occurs in the absence of ischemic heart disease or hypertension. Moreover impaired circadian blood pressure (BP) variation has been associated with autonomic dysfunction. The aim of our study was to evaluate diurnal BP fluctuations and autonomic function and their association with ...
Elghozi Jean-Luc - - 2008
Playing wind instruments requires expiratory efforts. Blowing low notes on a tuba means a low resistance to expiration while playing high notes requires a strenuous expiratory strain. The resulting high intrathoracic pressure may reproduce a Valsalva maneuver. Ten tuba players were asked to blow medium loud long (15 seconds) notes ...
Brooke-Smith Mark E - - 2008
OBJECTIVES: Acute pancreatitis is associated with compromised pancreatic microcirculation. Galanin is a vasoactive neuropeptide, but its role in the regulation of pancreatic vascular perfusion (PVP) is unclear. METHODS: Localization of galanin immunoreactivity was investigated by immunohistochemistry, and the effects of bolus doses of galanin or the antagonist galantide on blood ...
Eto Kimika - - 2008
Home blood pressure (HBP) measurement is useful for detecting morning hypertension, white coat as well as masked hypertension. However, target BP levels based on HBP remain unknown. The purpose of the present study was to evaluate the relationship between HBP measurement and office BP control status in hypertensive patients. Subjects ...
Palatini Paolo - - 2008
Diagnosis of hypertension is critically dependent on accurate blood pressure (BP) measurement, especially in patients with chronic kidney disease (CKD), in whom early antihypertensive treatment is imperative to prevent cardiovascular events. Ambulatory BP monitoring (ABPM) has successfully identified hypertensive patients at increased risk, but its role in management of CKD ...
Turner Martin J - - 2008
OBJECTIVE: To quantify overdetection and underdetection of hypertension caused by systematic sphygmomanometer errors permitted by the current European standard (EN 1060 'noninvasive sphygmomanometers'). METHODS: We carried out Monte Carlo simulation of measurement of blood pressure (BP) of the adult Australian population using sphygmomanometers showing systematic errors compliant with the EN ...
Nolly Hector - - 2008
BACKGROUND: Self-measurement of blood pressure (BP) has been increasingly encouraged as a supplement to measurements in the clinic. OBJECTIVE: The main objective of this study is to clinically evaluate a new device for self-measurement of BP according to the International Protocol of the European Society of Hypertension (2002). METHODS: Measurements ...
Chiolero Arnaud - - 2008
OBJECTIVE: The assessment of blood pressure (BP) in individuals is traditionally based on a few BP readings obtained at intervals of just a few minutes. We examined if increasing intervals between BP readings on one visit would have an impact on the BP estimates. METHODS: We conducted an examination survey ...
Ben-Dov Iddo Z - - 2008
OBJECTIVE: Previous reports on the prognosis of white coat hypertension are ambiguous. We aimed to determine the prognostic implications of the white coat phenomenon in treated patients. METHODS: Our 14-year hospital-based ambulatory blood pressure (BP) monitoring prospective database was analyzed for all-cause mortality. The relationships of the white coat and ...
Polo Friz Hernan - - 2008
OBJECTIVE: Blood pressure (BP) 'Cardiette BP one' system (BP one) is an oscillometric ambulatory BP monitor manufactured in Italy in conformity to current regulations for medical devices. We decided to determine the accuracy of measures made with BP one, using the protocol of the British Hypertension Society published in 1990, ...
Sizlan Ali - - 2008
OBJECTIVE: Residence at high altitude has been associated with elevation in systemic blood pressure (BP), but few studies have been done on the time course and the effects of a median altitude. Moreover, there exist population differences in the reactions given to altitude and the mechanism is unknown. This study ...
Soudarssanane Mb - - 2008
Early diagnosis of hypertension (HT) is an important strategy in its control. Tracking of blood pressure (BP) has been found useful in identifying persons with potential HT, particularly in youngsters. A cohort of 756 subjects (with baseline information as a cross-sectional study in 2002) was followed up in 2006 to ...
Cheng Cynthia C Department of Family and Community Medicine, Thomas Jefferson University Hospital, Curtis Bldg, Suite 401, 1015 Walnut Street, Philadelphia, PA 19107, USA. Cynthia.Cheng@ - - 2008
This study aimed to determine if capillary rarefaction is detectable and associated with endothelial dysfunction in persons with mild systolic blood pressure (SBP) elevation. Capillary density and endothelial function were quantified for 150 nondiabetic participants, grouped by blood pressure (BP) as normotensive, untreated high BP, and treated high BP. Structural ...
Elung-Jensen Thomas - - 2008
BACKGROUND: It has been suggested that status as a 'non-dipper' determined from 24-h blood pressure (BP) recordings is associated with increased risk of end-organ damage but little is known about the consistency of dipper status in renal patients. The present post hoc analysis evaluated dipper/non-dipper status prospectively in a study ...
Banegas J R - - 2009
This observational study investigates, for the first time, the actual or out-of-office control of hypertension among coronary heart disease (CHD) patients, by using 24-h ambulatory BP monitoring (ABPM). We used the Spanish Society of Hypertension ABPM Registry, based on a large-scale network of primary-care physicians consecutively recruiting hypertensive patients with ...
Phillips Craig L - - 2008
BACKGROUND: Obstructive sleep apnea (OSA) is associated with increased BP and other cardiometabolic risk factors. The aim of the present study was to determine whether arterial stiffness and central BP (two important cardiovascular risk factors) would change, independent of peripheral BP following either the initiation of or withdrawal from nasal ...
Alioglu Emin - - 2008
OBJECTIVE: The lack of nocturnal decline in blood pressure (BP) is associated with an increase in cardiovascular events. Soluble CD40 ligand (sCD40L) is involved in the pathogenesis of risk factor-related vascular damage. The purpose of this study was to examine the relationship between vascular endothelial functions, carotid intima-media thickness (cIMT), ...
Nazzaro Pietro - - 2008
BACKGROUND: Hypertension and diabetes are significantly associated with insulin resistance (IR), which could affect the vasodilatory capacity and microcirculation. The aim of the study was to verify whether IR is associated with a reduced microvascular blood flow in normoglycemic mild hypertensives. METHODS: Eighty-four untreated grade-1 hypertensives were equally divided, according ...
Wong Cheuk-Kit - - 2008
There are limited data on the relation between blood pressure (BP) at hospital discharge and long-term outcomes after acute coronary syndromes. In this study, of 1,053 consecutive survivors of acute coronary syndromes (mean age 64.9 +/- 12.6 years, 63% men), patients with lower diastolic BP were older, had higher Global ...
Bankir Lise - - 2008
Blood pressure (BP) follows a circadian rhythm, with 10% to 15% lower values during nighttime than during daytime. The absence of a nocturnal BP decrease (dipping) is associated with target organ damage, but the determinants of dipping are poorly understood. We assessed whether the nighttime BP and the dipping are ...
Puepet F H - - 2008
OBJECTIVE: To draw attention to primary hyperparathyroidism as a cause of severe hypertension. RESULTS: A 47 year old Nigerian male presented with headache, occasional blurring of vision and dyspnoea on mild exertion of 2/12 duration. He had been troubled by painful osteoarthritis of the knees for 2 years for which ...
Fleury Gilles - - 2008
The goal of the present investigation was to determine predictors of cardiovascular response to methamphetamine administrated in the laboratory. Heart rate (HR) and blood pressure (BP) were measured at baseline and at several time points following the administration of methamphetamine or saline placebo. One-way ANOVA was used to determine the ...
Tomita Hitomi - - 2008
Augmentation index (AI), the ratio of augmented pressure by the reflection pressure wave to the pulse pressure (PP), is an index of arterial stiffness and central blood pressure (BP). Although type 2 diabetes mellitus (DM) is a major risk factor for atherosclerosis, there is controversy with respect to how DM ...
Verdecchia Paolo - - 2008
Although the prognostic value of the day-night blood pressure (BP) changes is established, the most appropriate method for defining day and night is undefined. We assessed the prognostic value of the day-night BP changes by using three definitions of day and night in 2,934 initially untreated hypertensive subjects who underwent ...
Hoshide Satoshi - - 2008
Acute-phase cardiovascular disease (CVD) frequently presents with markedly elevated blood pressure (BP) levels and often requires fairly rapid lowering of BP. On the other hand, aggressive lowering of systemic BP to the point that the cerebral BP decreases below a certain threshold may result in ischemic stroke. The authors retrospectively ...
Vinyoles Ernest - - 2008
OBJECTIVE: To analyze the clinical characteristics of patients with isolated clinic hypertension (ICH) compared with other hypertensive patients, and to evaluate the capacity of physicians to predict a diagnosis of ICH. METHODS: A cross-sectional, comparative multicenter descriptive study was made of 6176 hypertensive individuals without pharmacological treatment, subjected to ambulatory ...
Hayashi Tomohito - - 2008
The aim of this study was to examine whether or not fluctuations in blood pressure (BP) differ by season. Subjects were 45 elderly individuals (20 men and 25 women; mean age, 66.5+/-4.9 [SD] years). Each subject's BP was recorded with an ambulatory BP monitoring device for 24 h during each ...
Malik Junaid - - 2008
We hypothesized that an improvement in systemic blood pressure (BP) during continuous positive airway pressure (CPAP) treatment of obstructive sleep apnea (OSA) would be related to severity of hypertension (HTN), morphometric parameters such as body mass index, and level of CPAP adherence. We tested this hypothesis with a retrospective review ...
Verbeke Francis - - 2008
BACKGROUND: Although peritoneal dialysis is considered to offer more hemodynamic stability than hemodialysis, the acute hemodynamic effects of peritoneal dialysis have only been investigated scarcely. The present study assesses the central hemodynamic impact of volume infusion using pH-adjusted icodextrin, thus avoiding interference of glucose, pH, and osmolarity. METHODS: Patients were ...
Gemson Donald H - - 2008
OBJECTIVE: To assess the impact of tailored intervention on body mass index (BMI) and blood pressure (BP) among hypertensive employees participating in an employer-based BP screening program. METHODS: The quasi-experimental design involved screening subjects (n = 15,583) within the Merrill Lynch organization. A control group had BP and weight measurements ...
Burr Marian L - - 2008
BACKGROUND: ambulatory blood pressure (ABPM) appears to be a more accurate predictor of cardiovascular outcome than blood pressure (BP) measured in the clinic setting in younger adults. OBJECTIVES: the purpose of this study was to determine if ABPM predicted total and cardiovascular mortality independently of clinic BP and other cardiovascular ...
Sellers Minga M - - 2008
Historically, the vasodilatory prostanoids, especially prostacyclin and prostaglandin E(2), are believed to contribute significantly to the regulation of normal vascular tone and blood pressure (BP), primarily by counteracting the prevailing effects of the systemic vasoconstrictor systems, including angiotensin II, the catecholamines, and vasopressin. In contrast, the primary vasoconstrictor prostanoid thromboxane ...
Barquera S - - 2008
Increased social and economic integration across the US-Mexican borders has led to important new developments in public health. Lower levels of cardiovascular mortality have been observed among Mexican Americans (MAs) although few direct comparisons have been undertaken with Mexico. Using survey data in the respective countries we examined blood pressure ...
Abuchi, C S; ;
This paper introduces the development of a blood pressure alarm detector, meant to be incorporated into an electronic blood pressure tracking unit, from which it detects signals for the measured blood pressure (BP), that is, the systolic blood pressure (SBP) and diastolic blood pressure (DBP). It simultaneously displays the measured ...
Haralabidis Alexandros S - - 2008
AIMS: Within the framework of the HYENA (hypertension and exposure to noise near airports) project we investigated the effect of short-term changes of transportation or indoor noise levels on blood pressure (BP) and heart rate (HR) during night-time sleep in 140 subjects living near four major European airports. METHODS AND ...
Campbell Tavis S - - 2008
OBJECTIVE: To examine the prognostic significance of early socioeconomic status (SES) on 24-hour blood pressure (BP) during early adulthood. Low SES has been related to poor health outcomes, in particular, cardiovascular morbidity and mortality. Recent cross-sectional research has also linked low levels of SES with several cardiovascular risk factors including ...
Chavanu Kathleen - - 2008
PURPOSE: The role of ambulatory blood pressure monitoring (ABPM) in the management of hypertension is reviewed. SUMMARY: ABPM is a fully automated technique in which multiple blood pressure (BP) measurements are taken at regular intervals (usually every 15 to 30 minutes) over a 24-48-hour period, providing a continuous BP record ...
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