Search Results
Results 551 - 600 of 1102
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Arciero P J - - 1998
OBJECTIVE: To examine age-related differences in blood pressure, heart rate, behavioral mood state and norepinephrine kinetics after caffeine ingestion in younger and older men. DESIGN: Placebo-controlled, double-blind study. SETTING: General Clinical Research Center, University of Vermont. SUBJECTS: 10 older (O) (65-80 y) and 10 younger (Y) (19-26 y) healthy men ...
Hashimoto K - - 1998
OBJECTIVES: The study was conducted to investigate whether oral co-administration with citrus juices significantly affects the pharmacokinetics and/or pharmacodynamics of pranidipine, a new 1,4-dihydropyridine calcium antagonist, in healthy male subjects. Grapefruit juice and orange juice, which were both commercially available, were used in this study. METHODS: Sixteen healthy male Japanese ...
Kauma H - - 1998
Apolipoprotein E (apoE) has an essential role in lipoprotein metabolism, but recent studies have also revealed other functions associated with it, eg, neurologic and malignant diseases. We studied the association between apoE phenotypes E2/3, E3/3, and E4/3 and blood pressure after adjustment for covariates, as well as the association between ...
Wakabayashi K - - 1998
The study aims to examine the relationship between habitual coffee consumption and blood pressure. The subjects were 3336 male self-defense officials aged 48-56 years, who received a preretirement health examination at the Self-Defense Forces Fukuoka Hospital between October 1986 and December 1992. Average coffee intake in the past year was ...
Takashima Y - - 1998
To clarify how and why blood pressure differs between occupations, the proportions of hypertensives, and the measures of blood pressure, body mass index (BMI) and alcohol consumption among the individuals not taking antihypertensive drugs were compared between the eight occupational categories using the data from a health check-up for 589 ...
Kawano Y - - 1998
PURPOSE: Restriction of alcohol intake is widely recommended in the treatment of hypertension. However, we have observed that alcohol may have biphasic effects on blood pressure in Japanese men with hypertension. METHODS: Hypertensive men (n = 34) who habitually drank alcohol were randomly assigned to keep their drinking habits constant ...
Rose J E - - 1998
The nicotinic antagonist mecamylamine was evaluated in a randomized smoking cessation trial. Four groups of participants (n = 20 per group) received nicotine plus mecamylamine, nicotine alone, mecamylamine alone, or no drug for 4 weeks before cessation. After the quit-smoking date, all subjects received nicotine plus mecamylamine treatment for 6 ...
Heelon M W - - 1998
The disulfiram-ethanol reaction is a well-known clinical phenomenon occurring as a result of acetaldehyde accumulation in the blood. Symptoms usually begin within 5-15 minutes after ingestion of ethanol in patients who have taken disulfiram 3-123 hours earlier, and generally occur in the following order: flushing, sweating, palpitations, dyspnea, hyperventilation, increased ...
Jerez S J - - 1998
The purpose of this study was to evaluate alcohol consumption among adolescents from Tucuman, Argentina, and to determine its possible relationship with increased levels of blood pressure. Three hundred fifty-six students aged 13-18 included in the study were asked to answer questionnaires anonymously. Two blood pressures measures were then taken. ...
Petroianu G - - 1998
A therapeutic regimen was established to keep blood pressure, heart rate and haematocrit within the normal range during high-dose paraoxon (PX) exposure (ca. 150 x LD50) in mini pigs in order to achieve survival. Previous experiments showed that mini pigs exposed to high-dose PX died shortly after PX infusion due ...
Rose G - - 1998
The associations between life events, mood, mental strain and cardiovascular risk factors were investigated in the Renault/Volvo Coeur Study. About 1,000 men, blue-collar and white-collar workers, were asked by means of interview-administered questionnaires about life events experienced during the year preceding the screening, about mood and mental strain and about ...
Cushman W C - - 1998
OBJECTIVE: To determine whether blood pressure is reduced for at least 6 months with an intervention to lower alcohol intake in moderate to heavy drinkers with above optimal to slightly elevated diastolic blood pressure, and whether reduction of alcohol intake can be maintained for 2 years. DESIGN: A randomized controlled ...
Mehta M C - - 1998
Alcohol and tobacco consumption are correlated. Smokers consume more alcohol than do nonsmokers, and alcohol consumers smoke more than do teetotalers. The independent effects of alcohol and nicotine on the cardiovascular system are well documented, but combined effects of short-term administration are unknown. This experimental work was designed to study ...
Roy S K - - 1998
Oraon tea leaf pluckers were examined in terms of their cardiorespiratory functions which include blood pressure measurements and a number of lung function tests. Anthropometric measurements and information on smoking history were obtained. It is known from earlier studies that the individuals studied belong to more or less similar economic ...
Nakanishi N - - 1998
OBJECTIVE: To identify the factors related to the development of hypertension on the basis of annual health examinations at the workplace. SETTING: A cohort of Japanese male office workers who were reexamined for six successive years after their initial examinations in 1990. SUBJECTS: The study cohort comprised 1089 hypertension-free subjects ...
Lane J D - - 1998
OBJECTIVE: The study investigated the effects of moderate doses of caffeine on ambulatory blood pressure and heart rate during workday activities. METHODS: Healthy, nonsmoking, habitual coffee drinkers (N = 21) received daily doses of 100 mg and 500 mg of caffeine on 2 days in a crossover design. Treatment order ...
Lai C J - - 1998
1. The stimulation of pulmonary rapidly adapting receptors (RARs) by wood smoke was investigated. Impulses from seventy RARs were recorded in fifty-nine anaesthetized, open-chest and artificially ventilated rats; responses to delivery of 6 ml of wood smoke into the lungs were studied in sixty-one receptors whereas responses to histamine (10 ...
Mendelson J H - - 1998
Cocaine tolerance was assessed by comparing the acute effects of cocaine in drug-abstinent men who reported occasional cocaine use (n = 6) and in men who met DSM-III-R diagnostic criteria for dependence on both cocaine and opiates (n = 6). Peak plasma cocaine levels were equivalent in the two groups, ...
Nyklícek I - - 1998
Our aim was to investigate the relationships between defensiveness and repression, on the one hand, and self-reported stressor exposure and resting blood pressure, on the other hand. In addition, different operationalizations of defensiveness and repression were compared. Participants were 310 male and 90 female employees representing a wide range of ...
Laugier R - - 1998
CONCLUSION: In chronic alcohol abusers with no pancreatic disease, secretin was found to induce a paradoxical spasmodic response in the sphincter of Oddi (SO) instead of the relaxation observed in controls. Cerulein, on the contrary, had a normal relaxing effect on the SO. BACKGROUND: We previously reported SO dyskinesia in ...
Naruse Y - - 1998
The relationship of parental history of high blood pressure (HBP) to blood pressure (BP) was estimated in three Japanese population samples, totalling 591 men and women aged 20-59 years, from the INTERSALT study. Parental history of HBP was defined as reported HBP by their father and/or mother. With adjustment for ...
Vamvakas S - - 1998
The present review summarizes the current knowledge on the multiple effects of alcohol overconsumption on the kidney function as well as on water, electrolyte and acid-base homeostasis. In contrast to the well known transitory diuretic effects, the overall long-term effect of chronic alcohol overconsumption is water and salt retention with ...
Sehested J - - 1998
Reports on the physiologic effects of acute alcohol are far from uniform and probably reflect differences in study designs, which seldom or never consider the effects of coadministered volumes. We therefore measured blood pressure, heart rate, and heart rate variability (HRV) by power spectrum analysis, baroreceptor sensitivity, arterial blood flow, ...
Johnson C D - - 1998
PURPOSE: The object of this study was to determine whether a history of cocaine or alcohol use is associated with blood pressure changes in patients undergoing an uncomplicated mandibular molar extraction. PATIENTS AND METHODS: The blood pressure (BP) values of middle-aged (30 to 40 years of age) black men with ...
Cohen M - - 1998
Prior work has demonstrated acute cardiovascular responses associated with breast and bottle feeding of newborn infants that consist of increases in both blood pressure and heart rate. This current study sought to determine if the amplitude of these responses is related to the age of the infant and/or the amount ...
Rakic V - - 1998
OBJECTIVE: To evaluate the effects of patterns of drinking (weekend versus daily drinking) on the pressor responses to alcohol in 55 male drinkers using clinic and 24 h ambulatory blood pressure monitoring. DESIGN: A randomized, controlled cross-over trial. METHODS: Recruitment required a regular alcohol intake of 210-500 ml absolute alcohol/week, ...
Moreira L B - - 1998
BACKGROUND: A positive association of chronic exposure to alcoholic beverages with blood pressure and the prevalence of hypertension has been described in epidemiological surveys, but the influence of time elapsed since last ingestion in this setting was not demonstrated. DESIGN: A cross-sectional, population-based survey. METHODS: In total 1089 adults from ...
Hlastala M P - - 1998
The alcohol breath test (ABT) is evaluated for variability in response to changes in physiological parameters. The ABT was originally developed in the 1950s, at a time when understanding of pulmonary physiology was quite limited. Over the past decade, physiological studies have shown that alcohol is exchanged entirely within the ...
Hillbom M - - 1998
Epidemiological evidence indicates that recent heavy alcohol consumption increases the risk for all major types of stroke, whereas light-to-moderate alcohol intake is associated with a decreased risk of ischemic stroke. Although heavy drinking elevates blood pressure, there is no firm evidence to indicate that alcohol consumption causes the formation of ...
Keil U - - 1998
In the last 30 years a large number of cross-sectional studies, a smaller number of prospective cohort studies and several intervention studies have addressed the alcohol-blood pressure relationship. Although a number of questions--such as the validity of measurement of alcohol intake, shape of the alcohol-blood pressure relationship, threshold dose for ...
Phillips-Bute B G - - 1997
The effects of short-term caffeine deprivation on mood, withdrawal symptoms and psychomotor performance were studied in habitual coffee drinkers. Thirty-one male and female coffee drinkers were tested twice at midday (1130 to 1330 h) 4 h after double-blind administration of 250 mg of caffeine or placebo. Mood and withdrawal symptoms ...
Ragland D R - - 1997
In this study, data from transit vehicle operators of the San Francisco Municipal Railway (Muni), and a control group of individuals newly hired but not yet working as operators, were used to investigate prevalence of hypertension as a function of exposure to bus driving (years of driving), controlling for alcohol ...
Ishimitsu T - - 1997
1. This cross-sectional study examined the influence of alcohol intake on organ injuries in normotensive and hypertensive subjects. 2. A total of 514 normotensive subjects and 302 never-treated hypertensive subjects were screened from 4557 men who entered the health check programme of our institute during the period 1990 to 1994. ...
Bussolati G - - 1997
AIM: Antigen retrieval (AR) procedures are based on the effect of heating (by either microwave or pressure cooking treatments) on routinely fixed and paraffin embedded tissues. We observed that AR procedures restore the reactivity of endogenous biotin (EB) and report on the distribution of EB following AR in a series ...
Rajzer M - - 1997
OBJECTIVE: To estimate the arterial blood pressure, left ventricular function and insulin secretion in alcoholics. DESIGN: We examined hospitalized patients between the second and seventh day of acute alcohol withdrawal and after a month of abstinence by 24 h ambulatory blood pressure monitoring, a standard oral glucose-tolerance test with determination ...
Lapatto O - - 1997
The aim of the present experimental study was to examine the effects of local application of glyceryl trinitrate and nicotinic acid on the cold-provoked haemodynamic responses, pain and hand dexterity. Ten young healthy volunteers participated in this randomized, cross-over study with three phases at least two days apart. Five cm ...
Curtis A B - - 1997
The Pitt County Study is a longitudinal investigation of anthropometric, psychosocial, and behavioral predictors of hypertension in African Americans who were aged 25-50 years at baseline in 1988. At baseline, a strong dose-response gradient was observed for alcohol consumption and blood pressure for both sexes. The current study investigated whether ...
Reisin E - - 1997
Weight loss decreases blood pressure, and this change can be sustained over the long-term when the lower weight is maintained. Salt restriction may be effective in blood pressure control only in salt-sensitive individuals. Heavy drinkers (those who drink more than three drinks [30 mL] daily) experience deleterious effects such as ...
Vescovi P P - - 1997
Chronic alcohol drinking causes profound alterations in hypothalamic-pituitary function. In the present study, endocrine [corticotropin (ACTH), beta-endorphin, cortisol, and met-enkephalin] and cardiovascular (blood pressure) changes in response to hyperthermic stress (sauna at 90 degrees C for 30 min) were evaluated in 25 normal men (25 to 50 years old) and ...
York J L - - 1997
OBJECTIVE: To compare the relationship between blood pressure and recent vs lifetime alcohol intake measures in a nonalcoholic cohort using measures that normalized alcohol intake in terms of the volume of distribution for ethanol (total body water) for each subject. METHOD: Correlations between blood pressure and alcohol intake measures were ...
Swislocki A L - - 1997
Cigarette smoking is a major risk factor for coronary heart disease. To further investigate the relationship of nicotine with other cardiac risk factors, we studied the impact of nicotine on blood pressure and glucose tolerance. Adult male Sprague-Dawley rats were randomly assigned to receive nicotine or placebo pellets implanted subcutaneously. ...
Blann A D - - 1997
Nicotine is helpful in stopping smoking but its influence on cardiovascular risk factors is incomplete. Our aim was to determine its effect on blood pressure, routine haematology indices, and coagulation indices relevant to thrombosis. Eighteen subjects were seen whilst smoking (cotinine levels 1119 +/- 414 ng/ml), again after stopping smoking ...
Delarue J - - 1997
Acute ethanol administration stimulates sympathetic nervous system activity. The present study was designed to determine whether this sympathetic activation affects glycogenolysis and total hepatic glucose production (HGP) during ethanol-induced inhibition of gluconeogenesis. Nineteen volunteers participated in four protocols. Two protocols aimed to study--using combined infusion of [6,6-2H2]glucose and [U-13C]glucose, VCO2 ...
Reeves R R - - 1997
The authors studied the effects of caffeine withdrawal on 14 subjects at baseline and during a 4-day period of abstinence from caffeine. They studied the results from quantitative electroencephalograms performed on these subjects and gauged any changes that may have been evoked during this withdrawal period. The participants were also ...
van de Borne P - - 1997
Alcohol intake has been shown to worsen obstructive sleep apnea and increase nocturnal hypoxemia. The mechanisms of this action are unclear. Animal studies suggest that a reduction in chemoreflex sensitivity may be implicated. Using a double-blind, randomized, vehicle-controlled design, we tested the hypothesis that oral alcohol intake depresses chemoreflex sensitivity ...
Fattinger K - - 1997
Tolerance is an important determinant of addiction as well as therapeutic and/or toxic effects of drugs. The development of acute tolerance to various effects of nicotine was studied in nine healthy smokers who were abstaining from tobacco. Nicotine was infused rapidly to reach a concentration of about 25 ng/ml, followed ...
Rashotte A M - - 1997
Quantification of the epicuticular wax from the stems of 40 ecotypes of Arabidopsis thaliana showed a two-fold range in total wax load that was not correlated to known abiotic characteristics of the ecotype's origin of collection. Chemical analysis of these ecotypes revealed similar epicuticular wax profiles for all ecotypes except ...
Jain A C - - 1997
The independent effects of caffeine and nicotine on cardiodynamics are well documented, but combined effects of both are not reported. Initially, in phase I, 18 experiments were performed to study the dose-response curve of both the drugs. In phases II and III, 13 mongrel dogs were subjected to 30 experiments. ...
Friberg S E - - 1997
The vapour pressure of two fragrance raw materials, phenethyl alcohol and phenethyl acetate, in a microemulsion system is discussed against their participation in the different phases of the system. The results are used to evaluate the change of the fragrance vapour pressure during water evaporation from a typical emulsion system.
Howes J B - - 1997
One-thousand-four-hundred-and-fifty-three patients admitted to a teaching hospital, haemodynamically stable and not severely ill nor in significant pain, were interviewed within 48 h of admission and demographic data and a detailed drinking history were obtained. Supine blood pressures (BP) were recorded on the day following admission. The mean age of the ...
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