Search Results
Results 651 - 700 of 1123
< 9 10 11 12 13 14 15 16 17 18 19 >
Rajkumar C - - 1997
Fifty-four elderly people 81.2 years +/- 7.4 (mean age +/- s.d., range 66-98 years) were selected. These included 20 men (78.6 +/- 6.4 years, range 70-91 years) and 34 women (82.2 +/- 7.6 years, range 66-98 years). The relationship between the size of the abdominal aorta and various cardiovascular risk ...
James GD - - 1997
OBJECTIVE: To examine and compare the relationships between the level of plasma renin activity (PRA) and ambulatory blood pressure variability for hypertensive women aged under 45 years (n = 72, aged 36 +/- 6 years) and for women aged over 50 years (n = 175, aged 61 +/- 8 years). ...
Cox B D BD Department of Community Medicine, Institute of Public Health, Robinson Way, Cambridge, CB2 2SR, - - 1997
To investigate which of six anthropometric indices was most strongly associated with elevated blood pressure and frank hypertension in a representative population sample of young and middle-aged British adults. A representative random sample of British adults (2712 men and 3279 women) aged between 18 and 64y, who were resident in ...
Hunt B E - - 1997
We tested the hypothesis that the age-related changes in systemic hemodynamic determinants of arterial blood pressure in healthy women are related to physical activity and hormone replacement status. We studied 66 healthy, normotensive premenopausal (21-35 yr) and postmenopausal (50-72 yr) sedentary and endurance-trained women under supine resting conditions. Mean blood ...
Asmar R - - 1997
The blood pressure curve may be divided into two components: a steady component represented by the mean arterial pressure, and a pulsatile component represented by the purse pressure. Whether the contribution of either these two components may be different in men and women was not yet investigated. The present study ...
Beall C M - - 1997
This report presents information on determinants of blood pressure variation in a rural sample of 263 Ethiopian highlanders 14-86 years of age, resident at 3530 m on the Simien Plateau. Mean systolic and diastolic blood pressures for males and females were 109/ 75 and 106/73, respectively, and there were no ...
Singh R B - - 1997
OBJECTIVE: To compare the prevalence of hypertension and its risk factors with age-specific blood pressures in rural and urban subjects. DESIGN AND SETTING: A cross-sectional survey of two randomly selected villages and 20 randomly selected streets in Moradabad, north India. SUBJECTS AND METHODS: The subjects were 255 rural people (140 ...
Koupilová I - - 1997
We investigated the relationship between weight at birth and the prevalence of hypertension (defined as treatment and/or systolic blood pressure > 160 mmHg) at ages 50, 60 and 70 years in a cohort of Swedish men followed longitudinally, in which we had previously found a strong inverse association of birthweight ...
Anstey K J - - 1997
We report test-retest reliabilities for a battery of tests (vision, hearing, vibration sense, proprioception, forced expiratory volume, blood pressure, grip strength, and sway) shown previously to predict functional age. Fifty women aged 60 to 86 were retested on the battery after 3 months. All tests except proprioception and blood pressure ...
al-Mufti R - - 1997
OBJECTIVE: To determine the effect of patient-controlled combined spinal epidural analgesia (PCEA) on maternal pulse and blood pressure, and fetal heart rate in primigravid women, when adapting different positions in labour. DESIGN: A prospective study. SETTING: Queen Charlotte's and Chelsea hospital, London. PARTICIPANTS: Fifty-five primigravid women in labour at > ...
Bindon J R - - 1997
This study explores social and explores social and economic influences on health within a model formulated to address explicitly both individual and household level phenomena. Dressler's lifestyle incongruity model is used as a basis from which to predict the effects of intracultural contexts of variability on blood pressure. The sample ...
Calhoun D A - - 1997
There is a sexual dimorphism in blood pressure of humans and experimental animals: males tend to have higher blood pressure than females with functional ovaries, while ovariectomy or menopause tends to abolish the sexual dimorphism and cause females to develop a "male" pattern of blood pressure. Hypertensive male laboratory animals ...
Pearson J D - - 1997
BACKGROUND: Current knowledge of age-associated increases in blood pressure is based primarily on unscreened population studies that may not be representative of healthy men and women. We examined longitudinal patterns of change in blood pressure in healthy male and female volunteers from the Baltimore Longitudinal Study of Aging (BLSA). METHODS: ...
Martin K - - 1997
OBJECTIVE: To examine the relationship between metabolic correlates of obesity and radiographic knee osteoarthritis (OA). METHODS: We included 464 Caucasian men and 275 Caucasian women aged 40 years and above who were participants in the Baltimore Longitudinal Study of Aging. Subjects had bilateral anteroposterior standing knee radiographs read for features ...
Lurbe E - - 1997
During the past few years, epidemiological research in Spain has focused on studies of specific populations: children, pregnant women and the elderly. We present an overview of thewse studies. First, concerning healthy normotensive children and adolescents, such basic topics of ambulatory blood pressure studies as reproducibility, reference values, tracking and ...
Portaluppi F - - 1997
The objective of this study was to assess the influence of menopausal status on blood pressure levels in a cross-sectional population study in the setting of a preventive health care program clinically conducted in Ferrara, Italy. The patients were 2397 healthy women 35 to 65 years old (489 in premenopause, ...
Timio M - - 1997
30-year data are presented on blood pressure and cardiovascular morbidity and mortality for 144 nuns living in a secluded order in six nunnerlie in Umbria, central Italy and 138 lay women from the same region. There were no significant differences at baseline regarding age, blood pressure, body mass index, race, ...
Gupta M - - 1997
OBJECTIVE: To assess the accuracy of the Omron HEM 705 CP oscillometric device for the measurement of blood pressure in pregnancy and pre-eclampsia. SETTING: Two teaching hospitals. PARTICIPANTS: Eighty-five pregnant women with a wide range of blood pressures, and 43 women with pre-eclampsia. METHODS: Evaluation was carried out according to ...
Higgins J R - - 1997
OBJECTIVE: To assess the role of 24-hour ambulatory blood pressure measurement in the mid-second trimester as a predictive test for the development of hypertension in pregnancy. DESIGN: Prospective intervention. SETTING: The Rotunda Hospital, Dublin. PARTICIPANTS: One thousand one hundred and two healthy primigravid women. INTERVENTION: 24-hour ambulatory blood pressure measurement ...
Snabes M C - - 1997
OBJECTIVE: To assess the effect of estradiol (E2) replacement therapy on cardiac structure and function in healthy postmenopausal women. METHODS: We conducted a randomized, double-blind, placebo-controlled, crossover study of 31 healthy postmenopausal female volunteer study subjects (55-65 years) using 12 weeks of micronized E2 replacement therapy (2 mg/day). Echocardiography and ...
Villecco A S - - 1997
The sympathetic nervous system (SNS) is thought to play an important role in the pathogenesis of essential hypertension and many studies have established a relationship between plasma levels of norepinephrine (NE) and epinephrine (E) and sympathetic nervous activity (SNA). Furthermore, it has been suggested that climacteric women are more exposed ...
Laurenzi M - - 1997
BACKGROUND: Sodium-lithium countertransport (Na-Li CT) activity is high in persons with hypertension. This study investigated whether high Na-Li CT relates to development of hypertension. METHODS AND RESULTS: At the baseline visit of the Gubbio Population Study, 4210 people of the 5376 surveyed were 18 to 74 years old; of these, ...
Xu X - - 1997
PURPOSE: To identify and characterize major environmental and occupational determinants of blood pressure in rural communities in China. METHODS: In 1993 we conducted a large cross-sectional, community-based study of 20,216 residents aged 15 years or older, from the Yijing area of Anhui Province (8022 men, 12,194 women), one of whom ...
Rose K M - - 1997
PURPOSE: The association between employment status and high blood pressure in women was examined at two time periods to determine if associations between employment status and high blood pressure varied by time period or by age, race, education, marital status, or parental status. METHODS: Women participants from the National Health ...
Timio M - - 1997
The powerful effect of psychosocial and acculturating influences on population blood pressure trends seems to be confirmed, through longitudinal observations in the nuns in a secluded order. After initial observation had been made on culture, body form, blood pressure, diet, and other variables in 144 nuns and 138 lay-women, included ...
Vulkov I - - 1997
In the course of an epidemiological screening of a Plovdiv region contingent we determined the percentiles of arterial blood pressure of 1458 men and 1146 women (aged 20 to 60 years) selected at random using the SPSS/PC+ program. The derived values for the 75th percentile of the systolic arterial blood ...
Shakoor-Abdullah B - - 1997
OBJECTIVE: To develop culturally competent community based blood pressure control programs for inner-city African Americans. DESIGN: Cross sectional study of randomly selected households from three experimental and three control communities. SETTING: Very low, moderately low and moderate socio-economic status (SES) inner-city communities in Chicago, Illinois. PARTICIPANTS: 957 African Americans adults, ...
Szczepanski R - - 1997
Diurnal variations in urinary norepinephrine, epinephrine, cortisol, and self-reported mood states were examined in 101 employed women. Urine was collected on 2 consecutive workdays at 3 time periods: (1) overnight, (2) daytime, and (3) evening. Self-reports of 14 mood states were combined to correspond with the urinary collection periods. Factor ...
Hermida R C - - 1997
The evaluation of predictable variability in blood pressure and heart rate by (a) the use of fully ambulatory devices, and (b) the proper processing of the time series thus obtained, can be useful in assessing early cardiovascular disease risk in pregnancy. We have used this approach to quantify a predictable ...
Cwikel J G - - 1997
OBJECTIVES: To validate and analyze apparent association of hypertension with exposures to radiation at Chernobyl among immigrants to Israel from the contaminated areas. METHODS: Data were collected in 1991 and 1994 from two samples of persons who immigrated to Israel from the contaminated zone around the Chernobyl nuclear power plant. ...
Panella M - - 1997
A group of 32 selected hypertensive pregnant women under antihypertensive therapy, with biochemical parameters, functional parameters, plasma fibronectin levels (PLF), microalbuminuria (MA) levels and continuous 24 h blood pressure monitoring, were followed monthly until delivery and during puerperium. Also possible biochemical and clinical markers and the predictive value in the ...
Hermida R C - - 1997
The aims of this study were to examine whether the combined approach of 1) establishing tolerance intervals for the circadian variability of blood pressure as a function of gestational age, and 2) computing the hyperbaric index by comparison of any patient's blood pressure profile (obtained by ambulatory monitoring) with the ...
Casiglia E - - 1996
594 blood donors were studied to define the influence of regular blood donation on blood pressure. Blood pressures were compared at the first phlebotomy performed at the Padova Blood Unit, the 13-year phlebotomy, and the median between the two. As a control population, a cohort of 594 non-donors from the ...
Wu X - - 1996
OBJECTIVE: To assess comparative changes in systolic and diastolic blood pressure and incidence of high blood pressure over 4 years, and factors related to these changes, in northern and southern, urban and rural adults in the People's Republic of China. SETTING: This is a prospective study of populations surveyed by ...
Bennett K L - - 1996
Hysteroscopic procedures, which are an alternative to hysterectomy for surgical treatment of menorrhagia and uterine fibroids, place women at risk for intravasation of uterine distention fluid. Intravasation can produce fluid overload, pulmonary edema, congestive heart failure, and electrolyte imbalances. To examine risk factors for and evaluate nursing interventions to decrease ...
Hamasaki T - - 1996
OBJECTIVE: To determine whether hyperinsulinemia is related to gestational hypertension. METHODS: We measured the arterial blood pressure and the level of immunoreactive insulin (IRI) during a 75 g oral glucose tolerance test in a total of 84 pregnant women. Hyperinsulinemia was defined as a fasting IRI level > or = ...
Scuteri A - - 1996
1. The aim of the present study was to evaluate whether metabolic factors are linked to the steady component and the pulsatile component of blood pressure, evaluated as mean arterial pressure and pulse pressure respectively, in a sex-specific manner. 2. A cohort of 299 subjects (152 males, 147 females; 25-80 ...
Nirmala A - - 1996
The blood pressure investigation was carried out on 530 males and 745 females of the general population including ages from 10 to 80 years. The increase of blood pressure with advancing age was evident both in males and females. The mean systolic pressures were greater in males upto 40 to ...
Kublickas M - - 1996
OBJECTIVE: To investigate the effect of normal pregnancy and hypertensive disorders of pregnancy on the maternal renal artery Doppler blood flow velocity indices. METHODS: The patient material consisted of 30 normal pregnant women, 29 women with pregnancy induced hypertension, 43 women with preeclampsia and 22 pregnant women with chronic hypertension. ...
Babu B V - - 1996
The distribution of arterial blood pressure levels and the influence of subcutaneous fat on blood pressure are investigated among Mall, an agricultural tribe of Andhra Pradesh. Majority of Mali people exhibit optimum levels of blood pressure. The incidence of stage 1 hypertension is moderate. The mean levels of blood pressure ...
Watanabe N - - 1996
BACKGROUND AND PURPOSE: We conducted a cross-sectional epidemiological survey using ambulatory blood pressure monitoring and brain MRI in a cohort from northern Japan to determine whether an inappropriately low nocturnal blood pressure, or an excess fall in nocturnal blood pressure, might be responsible for silent cerebrovascular lesions in the elderly. ...
Reinberg A E - - 1996
Sixteen healthy women users and nonusers of oral contraceptives (OC) volunteered to document a set of circadian rhythms. Nine were taking OC providing ethynyl estradiol (0.03-0.05 mg/24h, 21 days/month) combined with DL- or L-norgestrel or norethisterone. There was no group difference (p > 0.05) in median age (22 years), weight ...
Cosner K R - - 1996
Fundal pressure is a controversial obstetric technique used by some practitioners in second-stage labor. In this preliminary study, 34 deliveries in which fundal pressure was used to expedite birth were matched with 34 deliveries that occurred spontaneously. Several parameters were compared between the two groups. In the group of women ...
Arfeen Z U - - 1996
We compared two types of automatic non-invasive blood pressure measuring device with sphygmomanometey in 47 normotensive and 38 hypertensive women in the third trimester of pregnancy. An automatic oscillometric device (Accutor) and a volume-clamp device (Finapres) significantly underestimated the diastolic pressure as measured by the fourth Korotkoff sound using a ...
Kaufman J S - - 1996
The determinants of hypertension in West Africa have not been well defined. The authors sampled 598 participants aged 45 years or more from a recent population-based survey in southwest Nigeria (190 rural men and women, 205 urban poor men and women, and 203 retired railway workmen). The estimated mean age ...
MacAuley D - - 1996
STUDY OBJECTIVE: To investigate the relationship between physical activity, physical fitness, blood pressure, and fibrinogen. DESIGN: This was a cross sectional population study using a two stage probability sample. SETTING: Northern Ireland. PARTICIPANTS: A sample of 1600 subjects aged 16-74 years from the population of Northern Ireland. MAIN OUTCOME MEASURES: ...
Salvig J D - - 1996
OBJECTIVE: To study the effect of fish oil supplementation on blood pressure during the third trimester of pregnancy. DESIGN: In the 30th week of pregnancy 533 healthy women were randomly assigned in a ratio 2:1:1 to receive fish oil (2.7 g/day n-3 fatty acids (Pikasol)), or a control regimen of ...
Wielgosz A T - - 1996
A remarkable increase in life expectancy, a decrease in fertility and delayed first birth as well as increased literacy have all contributed to major changes in women's lifestyles and their social environment. Several factors such as level of education, unemployment and low income have been associated in epidemiological studies with ...
Trye P - - 1996
AIM: To describe blood pressure trends in Auckland, New Zealand from 1982 to 1994 and assess possible explanations for the trends. METHODS: Three cross sectional surveys of cardiovascular risk factors were undertaken in 1982, 1986-8 and 1993-4, with a total of 3806 European men and women aged 35-64 years randomly ...
Daida H H Division of Cardiovascular Diseases and Internal Medicine, Mayo Clinic Rochester, Minnesota 55905, - - 1996
To determine the peak blood pressure responses during symptom-limited exercise in a large sample of apparently healthy subjects, including both men and women over a wide range of ages. We retrospectively studied the blood pressure response during maximal treadmill exercise testing with use of the Bruce protocol in apparently healthy ...
< 9 10 11 12 13 14 15 16 17 18 19 >