Search Results
Results 301 - 350 of 1376
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Riese Harriëtte - - 2004
OBJECTIVE: This study examined the effects of exposure to job strain on independent predictors of cardiovascular disease (ambulatory blood pressure, heart rate, and heart rate variability). METHODS: The participants comprised a homogeneous group of 159 healthy female nurses [mean age 35.9 (SD 8.5) years]. The choice of this population minimized ...
Ungar A - - 2004
The present investigation was aimed at determining the prevalence and the blood pressure (BP) profile of isolated ambulatory hypertension, defined as an elevated ambulatory BP with normal office blood pressure, in a series of 1488 consecutive outpatients referred for routine clinical evaluation of suspected or established arterial hypertension. All patients ...
Kupper Nina - - 2005
The present study estimated the genetic influences on ambulatory systolic and diastolic blood pressure, and on hypertensive status derived from ambulatory levels, in a family sample of 535 twins and 257 singleton siblings. This "extended twin design" was used to explicitly test the possibility that results obtained in singleton siblings ...
Barnes Vernon A - - 2004
OBJECTIVE: The purpose of this study was to evaluate the impact of a meditation program on resting and ambulatory blood pressure and heart rate in youth. METHODS: Data from 73 middle school students (age 12.3 +/- 0.6 years) randomly assigned by classroom to either meditation (N = 34) or health ...
Dallas Fiona - - 2004
OBJECTIVE: A pilot study to compare the use of a combination dialysate (7.5% icodextrin/1.36% glucose) versus icodextrin 7.5% alone for the long dwell in patients on peritoneal dialysis (PD). DESIGN: A 4-week, prospective, randomized crossover study. SETTING: A large regional renal unit providing treatment for a population of 1.7 million. ...
Carbonell Pedro Gutiérrez - - 2004
Our aim was to measure antebrachial volar compartment pressure in displaced supracondylar elbow fractures in children. We conducted a prospective, observational study of 42 fractures. The mean age was 5.2 years. There was type II displacement in nine cases (21.4%) and type III in 33 (78.6%). A wick catheter (1.5 ...
Cuspidi Cesare - - 2004
BACKGROUND: The prevalence and the relationship between metabolic syndrome, and target organ damage (TOD) in essential hypertensive patients has not been fully explored to date. OBJECTIVE: To investigate the association between metabolic syndrome, as defined by the ATP III report, and cardiac and extracardiac TOD, as defined by the 2003 ...
Prisant L Michael - - 2004
Blood pressure normally declines 10%-20% from daytime to sleep. Patients with less than a 10% reduction in daytime blood pressure are referred to as nondippers. A blunted nocturnal decline in blood pressure may be due to diminished sodium excretory capacity, alteration in the autonomic nervous system, or other factors. Secondary ...
Fava Cristiano - - 2004
OBJECTIVE: The aim of this study was to estimate the heritability of 24-h ambulatory blood pressure and office blood pressure phenotypes in Swedish families. METHODS: We measured ambulatory and office blood pressure in 260 siblings without antihypertensive treatment from 118 families. Blood pressure heritability was estimated using standard quantitative genetic ...
Zong W - - 2004
The paper presents an algorithm for reducing false alarms related to changes in arterial blood pressure (ABP) in intensive care unit (ICU) monitoring. The algorithm assesses the ABP signal quality, analyses the relationship between the electrocardiogram and ABP using a fuzzy logic approach and post-processes (accepts or rejects) ABP alarms ...
Wankum Patricia C - - 2004
OBJECTIVE: To evaluate the performance and to define limitations of a noninvasive blood pressure monitoring device in the critically ill pediatric population. METHOD: Patients were included in the study if they were admitted to the Pediatric Intensive Care Unit, were between the ages of 1 month and 18 years with ...
Covic Adrian - - 2004
Ambulatory blood pressure (ABP) monitoring has been in use for nearly four decades. In that time, the advantages of using a more reproducible and accurate method to assess the true contribution of blood pressure to the cardiovascular risk profile of patients have steadily become more clearly established, balanced by the ...
Ejaz A Ahsan AA Division of Nephrology and Hypertension, Mayo Clinic College of Medicine, Jacksonville, Fla, USA. - - 2004
To elucidate the demographic and clinical characteristics of a consecutive series of patients who presented for evaluation of orthostatic hypotension. From January 1, 1997, through September 30, 2001, we assessed retrospectively the demographic and clinical characteristics, antihypertensive medication use, and blood pressure variability in 100 consecutive patients with orthostatic hypotension ...
Palatini Paolo - - 2004
Little is known about the clinical significance of isolated ambulatory hypertension, a condition characterized by low office but elevated ambulatory blood pressure. This study aimed to investigate the prevalence and the predictive value of isolated ambulatory hypertension diagnosed after 3 months of observation for the development of sustained hypertension within ...
Cappuccio Francesco P - - 2004
To determine the effect of home blood pressure monitoring on blood pressure levels and proportion of people with essential hypertension achieving targets. Meta-analysis of 18 randomised controlled trials. 1359 people with essential hypertension allocated to home blood pressure monitoring and 1355 allocated to the "control" group seen in the healthcare ...
Botella-Carretero José I - - 2004
To evaluate cardiovascular functionality in patients with thyroid cancer, we have performed echocardiography and ambulatory blood pressure monitoring in 19 women with differentiated thyroid carcinoma during thyroxine withdrawal, at three time points: the last day on TSH-suppressive thyroxine doses (subclinical or mild hyperthyroidism), 4-7 days after withdrawal (normal free thyroxine ...
Parati Gianfranco - - 2004
PURPOSE OF REVIEW: For over a century the technique of blood pressure measurement developed by Riva-Rocci and Korotkoff has provided most of the data on hypertension diagnosis and treatment. Its limitations, however, are becoming increasingly evident and therefore alternative solutions are under investigation. This paper is intended to provide an ...
Magdesian K Gary - - 2004
Measurements of physiologic parameters, such as blood pressure or lactate concentration, are useful to detect occult derangements, such as tissue hypoxia and dysoxia. These tools are also useful in determining the effects of therapy. Monitoring techniques are now widely available for the intensive management of critically ill horses and foals. ...
Rachmani Rita - - 2004
BACKGROUND: The interplay between the continuity or quality of sleep and diurnal variation in blood pressure has not been directly examined before. We examined the influence of a mild, non-hypotensive sedative on nocturnal dipping. DESIGN: This was a randomized, single-blind study. SETTING: The study took place in an out-patient clinic ...
Mancia Giuseppe - - 2004
OBJECTIVE: To undertake a systematic review of the studies on the effect of antihypertensive treatment on ambulatory (ABP) and office blood pressure in order to obtain a differential assessment of the magnitude of the reduction in (1) office blood pressure compared with 24-h average ABP values, and (2) daytime compared ...
Vriend Joris W J - - 2004
OBJECTIVES: To investigate whether exercise-induced hypertension in successfully repaired adult post-coarctectomy patients is associated with hypertension on 24-h blood pressure measurement and increased left ventricular mass. METHODS: One hundred and forty-four consecutive post-coarctectomy patients (mean age 31.5 years, range 17-74 years; mean age at repair 7.9 years, range 0-45 years) ...
Riediker Michael - - 2004
Exposure to fine airborne particulate matter (PM(2.5)) is associated with cardiovascular events and mortality in older and cardiac patients. Potential physiologic effects of in-vehicle, roadside, and ambient PM(2.5) were investigated in young, healthy, nonsmoking, male North Carolina Highway Patrol troopers. Nine troopers (age 23 to 30) were monitored on 4 ...
Stergiou George S - - 2004
BACKGROUND: Some studies have shown a significant white coat effect (WCE) (i.e., difference between clinic blood pressure [CBP] and awake ambulatory blood pressure [ABP]) to be present not only in untreated but also in treated hypertensive individuals. This study aims to assess 1) the prevalence and the magnitude of the ...
Tanaka S - - 2004
Measurement of physical activity is one of the key subjects in the field of ambulatory cardiovascular monitoring using such as Holter ECG and so called "ambulatory blood pressure monitor (ABPM)". Rehabilitation and gerontology will also be another fields for the application of the activity monitor. From this point of view, ...
Fagard Robert H - - 2004
BACKGROUND: Patients with elevated clinic blood pressure and normal ambulatory blood pressure have a better prognosis than patients with sustained ambulatory hypertension, and may not have to be treated with antihypertensive drugs. On the contrary, current guidelines emphasize repeated clinic blood pressure measurements for the initiation of antihypertensive therapy. OBJECTIVE: ...
Hermida Ramón C - - 2004
The large-amplitude circadian pattern in blood pressure of healthy subjects of both genders suggests that the constant threshold currently used to diagnose hypertension should be replaced by a time-specified reference limit reflecting the mostly predictable blood pressure variability during the 24 h. Accordingly, we derived circadian time-specified reference standards for ...
Walker Susan P - - 2004
OBJECTIVE: The objective of this study was to evaluate the acceptability of the SpaceLabs 90207 ambulatory blood pressure monitor among pregnant women. METHODS: Patients participating in research projects involving ambulatory blood pressure monitoring (ABPM) in pregnancy (N = 110) were asked to complete a questionnaire relating to patient satisfaction on ...
Hung K - - 2004
The world's ageing population and prevalence of chronic diseases have lead to high demand for tele-home healthcare, in which vital-signs monitoring is essential. An overview of state-of-art wearable technologies for remote patient-monitoring is presented, followed by case studies on a cuffless blood pressure meter, ring-type heart rate monitor, and Bluetoothtrade ...
Braunschweig Frieder - - 2004
We report the case of a 55-year-old male patient with severe congestive heart failure in whom both a hemodynamic monitor and a biventricular pacemaker were implanted. The potential usefulness of the monitor to optimize AV delay and heart rate was prospectively evaluated. The AV delay associated with the lowest filling ...
Pannarale Giuseppe - - 2004
BACKGROUND: High normal blood pressure (HNBP), i.e. blood pressure (BP) > or = 130/85 mmHg and <140/90 mmHg, is an important predictor of progression to established hypertension. DESIGN: The purpose of this retrospective study was the evaluation of the predictive value of ambulatory blood pressure monitoring (ABPM) for the development ...
Balazovjech I - - 2004
MAIN PURPOSE: A retrospective analysis of presurgical clinical picture and blood pressures of 34 patients with histologically verified pheochromocytoma. Assessment of clinical state, blood pressure and prognosis in the course of patients control hospitalizations from 2001 to 2002. PATIENTS AND METHODS: The study was designed as a synoptic one, based ...
Tomson Charles R V - - 2003
Adequate control of hypertension is among the most important aims of medical management of the kidney transplant recipient, with the aim of reducing the risk of premature cardiovascular disease and preserving graft function. Antihypertensive therapy should be adjusted according to the best available estimates of usual resting blood pressure. If ...
Hirotsu Chihiro - - 2003
A method is proposed for classifying subjects according to their convex, flat, or concave change patterns of 24-hours blood pressure measurements. To obtain such a classification is useful for detecting subjects who show abnormal change patterns and giving them appropriate medical treatments. Therefore, an appropriate statistic is proposed for detecting ...
Calvo Carlos - - 2003
OBJECTIVES: Previous results have indicated that ambulatory monitoring provides a pressor effect on patients using the device for the first time, but not on successive sessions of monitoring. Our objective was to validate and quantify the extent and duration of this pressor effect in hypertensive patients repeatedly evaluated every few ...
Mendes Roger B - - 2003
OBJECTIVE: It is uncertain which blood pressure values (pre- or post-haemodialysis) best represent the average daily blood pressure in haemodialysis patients. The purpose of this study was to verify the power of peridialysis blood pressure to predict interdialytic blood pressure, and to ascertain the influence of blood pressure fluctuations during ...
Suárez Carmen - - 2003
AIM: To assess the agreement between the clinical information provided by the ambulatory daytime average and 24 h average blood pressure value for diagnosing hypertension and assessing the effects of antihypertensive treatment. METHODS: We analysed 261 24 h ambulatory monitoring records (SpaceLabs 90207, SpaceLabs, Redmond, Washington, USA) obtained from hypertensives ...
Pinsky Michael R - - 2003
Hemodynamic monitoring is a diagnostic tool. Because hemodynamic monitoring often requires invasive procedures, it can be associated with an increased incidence of untoward events. Like any diagnostic tool, its ability to improve outcome will be primarily related to the survival benefit enjoyed by specific therapies that can only be given ...
Wühl Elke - - 2004
Ambulatory blood pressure monitoring (ABPM) provides superior information for diagnosis and treatment of pediatric hypertension, but for reasons of practicality, clinic blood pressure measurements (CBP) are still the primary diagnostic tool. Regular home blood pressure measurements (HBP) may be an alternative to ABPM, but this technique awaits validation in practice. ...
de Leeuw P W - - 2003
Given the variability of blood pressure, it is often difficult to make a diagnosis of hypertension or to evaluate the effect of treatment on the basis of single blood pressure readings in the office. To obtain multiple measurements one can either turn to ambulatory blood pressure monitoring or have the ...
Schum Jennifer L - - 2003
A meta-analysis of 15 studies was conducted to investigate the relationship between trait anger and ambulatory blood pressure. Overall, the experience of anger was significantly and positively associated with systolic blood pressure (r+ = 0.049), but not reliably associated with diastolic blood pressure (r+ = 0.028). After removing an outlier, ...
Lorgelly Paula - - 2003
Achieving target levels of office and/or ambulatory blood pressure readings among treated hypertensive patients is an important aspect of cardiovascular disease prevention. Although office blood pressure measurement is simple and convenient, ambulatory blood pressure monitoring is especially useful for identifying patients with 'white coat' hypertension, in whom falsely raised office ...
Elliot Lindsey - - 2003
OBJECTIVE: The aim of our study was to find out factors associated with patient acceptance of repeat 24 h ambulatory blood pressure monitoring (ABPM) using the Mobil-O-Graph ambulatory blood pressure monitor. METHODS: Six hundred and fifty patients had ABPM performed between July 1999 and Oct 2000. Following 24 h ABPM ...
Menzel Matthias - - 2003
OBJECTIVE: The utility of continuous intra-arterial blood gas analysis (CBGA) with combined electrochemical and optode sensors has been demonstrated. More recently, a pure optode sensor with a changed sensing element architecture has become available. The aim was to determine the measurement accuracy and long-term stability of the new sensor. DESIGN: ...
Dupuy O - - 2003
Normalization of blood pressure is today as necessary as an optimal blood glucose control. These targets aim at reducing the negative consequences of hypertension which is particularly frequent and of poor prognosis for these patients. Nevertheless, the definition of the real blood pressure of these patients is uneasy because of ...
Hermida Ramón C - - 2003
Previous studies on ambulatory blood pressure monitoring as a potential screening test for hypertension in pregnancy have not carefully considered sampling requirements. We have examined the impact of duration and frequency of blood pressure sampling in the reproducibility of mean values in pregnancy. We analyzed 2430 blood pressure series sampled ...
Mengden Thomas - - 2003
With the increasing use of blood pressure self-measurement in pharmacological studies, the question arises as to whether this method can replace office blood pressure measurement or ambulatory 24-h blood pressure measurement for testing and comparing the efficacy of antihypertensives. Ambulatory 24-h blood pressure measurement or self-measurement available for analysis can ...
Stergiou George S - - 2003
The terms 'self-blood pressure' and 'home blood pressure' are being used to describe measurements of blood pressure taken by the patients at home. However, home measurements are not always self-measurements, because these are often taken by the patients' relatives. There is little evidence on the effect of self-measurement on the ...
Møller D S - - 2003
This study was conducted to compare the accuracy of clinic blood pressure (CBP) and telemedical home blood pressure (HBP) measurement in the diagnosis of hypertension in primary care. The study subjects were 411 patients with average CBP > or =140 mmHg systolic or > or =90 mmHg diastolic, who performed ...
Pickering Thomas - - 2003
An international database of prospective studies of ambulatory blood pressure monitoring was set up in 2001, and will include at least eight individual studies. The goals are to enable analyses that cannot be made reliably from the individual studies, such as the predictive value of different measures of blood pressure, ...
White William B - - 2003
Ambulatory blood pressure monitoring (ABPM) is a highly useful diagnostic tool as it can detect non-dipping and can distinguish masked hypertension, white-coat hypertension and sustained hypertension. Furthermore, measurement of blood pressure using ABPM has greater prognostic strength than single clinic blood pressure measurements. The Systolic Hypertension in Europe study, for ...
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