Search Results
Results 501 - 550 of 699
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Townsend R R - - 1993
The clinical laboratory is essential to the successful and complete evaluation of the patient with hypertension. A reasonably thorough knowledge of the important physiologic components of blood pressure regulation, in conjunction with a good history and physical examination and a simple panel of screening tests serve to detect or rule ...
Ruiz de la Fuente Tirado S - - 1992
This study reports the findings of one of the stages of a programme for the detection and control of arterial hypertension, started in 1980 in an automobile company with a workforce of 9,782. In the initial screening, 522 hypertensive males were found using epidemiological criteria and 206 of these fulfilled ...
Perry H M HM - - 1992
OBJECTIVE: To estimate the magnitude of misclassification rates with commonly used algorithms for the detection of hypertensives and to suggest a sequential approach to screening. DESIGN: A conventional statistical model was used with several different algorithms to determine the number and types of errors made in categorizing two different populations, ...
Sullivan K L - - 1992
RATIONALE AND OBJECTIVES: Pressure measurements during dialysis have been used to screen for venous outlet stenosis, but the relationship between the degree of stenosis and pressure has not been defined. METHODS: To determine this relationship, failing or failed dialysis grafts (n = 34) were studied with angiography and pressure measurements ...
Levy S S - - 1992
Measurement of recirculation and intradialytic venous line pressures may aid in the detection of hemodialysis vascular access stenoses. The authors screened 29 consecutive asymptomatic patients for recirculation values exceeding 15% or venous pressures greater than 150 mmHg. All 13 patients requiring and agreeing to angiography on the basis of the ...
DeFraites R F - - 1992
We studied referral patterns among 505 active duty Army participants in a heath promotion program at Fort Lewis, Washington. Over one-third (35.6%) were referred to health care providers for confirmation of cholesterol or blood pressure screening results. Fifty-two (10.3%) had elevated blood pressure screening measurements, of whom 30% had been ...
Morgan D W - - 1992
Abnormal tone in the pharyngo-oesophageal (PO) segment may lead to failure in developing oesophageal speech. Videofluoroscopy may give a qualitative assessment of the PO segment but is expensive, time consuming and lacks quantification. A custom built PO segment manometer was therefore assessed as a means of predicting eventual oesophageal speech ...
Brunt J H - - 1992
The purpose of this study was to examine the impact of a hypertension screening program on Hutterites from Alberta, Canada who were found to have a diastolic blood pressure greater than 90 mm Hg. At approximately 16 months postscreening, 200 subjects completed a self-administered questionnaire requesting information about physician follow-up ...
Insana M F - - 1992
Ultrasonic backscatter properties of normal dog kidney parenchyma are examined in vivo to determine sources of acoustic scattering. We systematically varied the renal perfusion and ureteral pressures to obtain detailed information about scattering sources that could not be seen under in vitro conditions. These data suggest that in normal parenchyma ...
Gillman M W - - 1992
Blood pressure measurement in childhood can be considered as a screening test for future blood pressure levels. Evaluating this test involves calculating sensitivities, specificities, and predictive values for a blood pressure measurement at an initial time for predicting underlying true blood pressure at a subsequent time. We demonstrate the use ...
Schnall P L - - 1992
The impact of occupational stressful life events on psychological distress and blood pressure was examined among employees of a major New York City brokerage firm undergoing massive layoffs. One hundred thirty-nine employees of the firm, who had participated in a blood pressure screening in 1986, were rescreened during the period ...
Benedict C R - - 1992
A microcomputer-based program has been developed which performs rapid and accurate acquisition of cardiovascular data from instrumented animals or isolated perfused hearts with concurrent analysis and display of the hemodynamic indices. The system allows real-time viewing of the data in four alternative graphic displays. These include: (1) a strip-charge type ...
Lim T O - - 1991
Undetected hypertension is an obstacle to effective blood pressure control in the community. A study was done to assess the justification of screening in the outpatient department. Only 13% of all visits to the outpatient department resulted in an attempt to detect hypertension. The common reasons leading to blood pressure ...
Torres X M - - 1991
A total of 550 males and 457 females in their 60s and 70s were screened for height and weight, blood pressure, glucose, cholesterol, and hemoglobin. Statistical analysis was performed using SAS software. Male values were abnormal for all screening parameters except for cholesterol. Statistically significant lower hemoglobin in males suggests ...
Armstrong D - - 1991
OBJECTIVE: To assess the effect of pressure from patients on patterns of general practitioners' outpatient referrals. DESIGN: Survey of general practitioners' referrals to hospital outpatient departments during one week. SETTING: One health district. SUBJECTS: All (160) general practitioners in the health district. MAIN OUTCOME MEASURES: Specialty of the referral, the ...
Isaksson H - - 1991
In order to determine the features that characterize refractory hypertension (RH), patients aged less than 65 years in a hypertension clinic were screened. Thirty-six patients on triple drug therapy with a supine diastolic blood pressure (DBP) of greater than or equal to 5 mmHg above an identified target pressure (90-100 ...
Russell N K - - 1991
BACKGROUND: While the distribution of cholesterol levels have been well studied in the general population, little is known about cholesterol and other cardiovascular disease risk factors in screenings held in an urban Black community. This study was designed to determine the yield of cholesterol screening in this community. METHODS: Screening ...
Holmen J - - 1991
OBJECTIVE: Evaluation of detection of hypertension in adults in the county of Nord-Tr?ndelag, Norway. DESIGN: Cross sectional survey with clinical follow up examinations. SETTING: Health survey by screening teams from the national health screening service, and examinations by all 106 general practitioners in the county. SUBJECTS: During 1984-6, 74,977 persons ...
Radice M - - 1991
The effect of a population screening for hypertension was assessed through a subsequent survey performed 1 year later. All the hypertensives identified at the first visit (239 subjects, 15.6% of the whole screened population) were invited for a re-examination: the adhesion rate was 84.5%. After the screening, a high proportion ...
Guyton A C - - 1990
In this short paper, I have tried to explain the elation that we felt when we first realized that the kidney-fluid mechanism for controlling the arterial pressure has an infinite feedback gain property. Because of this, all the other pressure control mechanisms, none of which has ever been shown to ...
Wandel J C - - 1990
We found a prevalence rate of elevated blood pressure readings in our sample of 86 nonacute EU patients without history of hypertension that was similar to that reported by the author of a previous study (Franklin, 1987) done in the same setting and continue to advocate the use of the ...
McElroy N D - - 1990
The present investigation contractile responses of microdissected intrarenal arcuate arteries from sham-operated rabbits and two-kidney, one clip Goldblatt hypertensive rabbits at 2 and 12 weeks after procedure. Arcuate arteries from both kidneys of the sham-operated rabbits and stenotic and nonstenotic kidneys of the Goldblatt hypertensive rabbits were studied. Mean arterial ...
Massay R J - - 1990
We report a case of pseudohypertension seen at our hospital. The true prevalence of this condition is unknown. We remind clinicians of Osler's manoeuvre (the palpability of the pulseless brachial artery) which can be used as a screening test for its presence. The diagnosis is made by documentation of normal ...
Thüer U - - 1990
The study aimed at evaluating how training of the lips with an oral screen affects the strength of the lips and the pressure of the lips on the teeth. In addition, the effect of the treatment with an oral screen on the dentition was studied. The treatment and lip training ...
Hampton A - - 1990
Free blood pressure checks, targeted at those aged 30 to 64 years, were offered for a six week period in a small inner city pharmacy. The pharmacist invited 120 clients to take part, of whom 70 (58%) accepted. Thirty of those having the check were interviewed. All had seen their ...
Smith T D - - 1990
Variation in labelling of hypertension by individual general practitioners was studied during a continuous opportunistic screening programme for hypertension in a single general practice with 12 principals. All the general practitioners agreed to label as hypertensive patients with systolic pressures of greater than or equal to 200 mm Hg or ...
Vernon S A - - 1990
Eighty-nine and a half per cent of the population of a general practice over the age of 49 years were screened for glaucoma and high risk ocular hypertension requiring treatment. Screening took place using semi-automated intraocular pressure and visual field equipment operated by non-ophthalmologically trained staff. An experienced ophthalmologist examined ...
Bushman B J - - 1990
Two experiments were conducted to test the hypothesis that observation of media violence elicits thoughts and emotional responses related to aggression. In Experiment 1, highly violent videotapes elicited more aggressive cognitions than did a less violent tape. This effect was moderated by the trait of stimulus screening. In Experiment 2, ...
Baumann L J - - 1989
This study compared the impact of three educational messages about hypertension used at a worksite blood pressure screening program. The messages sought to change beliefs and health behaviors related to hypertension. Each participant who had either been previously diagnosed as hypertensive or had an elevated blood pressure at screening was ...
Fogari R - - 1989
This study was designed to assess advantages and cost-effectiveness of community control of hypertension at the worksite in a metallurgical factory in Pavia. Under consent of managers and trade-unionists, a screening program was undertaken. 2701 subjects (95% of the total number of employees) were screened: 277 (10.2%) were hypertensive, 101 ...
Tyroler H A - - 1989
The association of socioeconomic status (SES), as indexed by educational achievement, with the prevalence, prognosis, and efficacy of treatment of hypertension in the Hypertension Detection and Follow-up Program (HDFP) was reviewed. The prevalence of hypertension varied inversely with SES during the screening program initiated to identify HDFP eligibles in 14 ...
Sonkodi S - - 1989
In conjunction with a radiological tuberculosis project, a hypertension screening programme was carried out in 1984 on 13,772 people (74% of the eligible adult population) in the Hungarian town of Csongrád. In the younger age groups the blood pressure was found to be higher amongst men, whilst in older groups ...
Brown H R HR - - 1989
In 1976, in an employee population of approximately 8700, there was little information about the prevalence of hypertension or the level of control in the known hypertensive workers. The problem was approached initially by screening and then by aggressive follow-up. Ultimately, 21.4% of the employees were identified as hypertensive or ...
Hosenpud J D - - 1989
OKT3 (a murine antihuman mature T cell antibody) has become an important therapeutic agent for the treatment of acute allograft rejection unresponsive to corticosteroid therapy. Seven heart allograft recipients received eight 10-day courses (one retreatment) of OKT3 for steroid-resistant rejection. All patients underwent hourly monitoring of vital signs, and one ...
Morr K E - - 1989
Warren (1979) described an approach for screening velopharyngeal inadequacy using a device (PERCI) that measures orifice differential pressure (P). The PERCI score is based on the relationship between velopharyngeal orifice (VPO) area and velopharyngeal orifice differential pressure. The purpose of this study was to test the original assumptions, which were ...
Hense H W - - 1989
In 1983/84, the Munich Blood Pressure Program (MBP) performed worksite screenings for arterial hypertension at 18 Munich companies. A participation of 51% (n = 7310) was achieved. After duplicate measurements of casual blood pressure 1084 participants were suspected of having actual hypertension. All suspected cases were invited for a reexamination ...
Levin J S - - 1989
Epidemiologic studies of the effects of religion on blood pressure suggest that religious commitment is inversely associated with blood pressure and that several religious denominations or groups have relatively low rates of hypertension-related morbidity and mortality. In this review, we examine the implication that certain characteristics and functions of religion ...
Lieberthal W - - 1989
We have found that DBBF-Hb and Hb Ao have significantly less vasoconstrictor activity than unmodified Hb in the rabbit heart. In striking contrast to these findings, DBBF-Hb and unmodified Hb have comparable hemodynamic effects in the isolated kidney. We have demonstrated that lipophilic contamination of fraction V BSA causes vasoconstriction ...
Michaud P A - - 1989
This study evaluates the acceptability, the predictive value and the utility of a hypertension screening programme for Swiss adolescents from 16 to 19 years of age, using private physicians' records as an end-point: 3,386 young people had their blood pressure (BP) measured in a standardized way: 113 teenagers were sent ...
Dardik B N - - 1988
A marked increase in the cyclic AMP content and concentration of the thoracic aorta was detected during the rise in blood pressure produced by one-kidney, one-clip and DOCA hypertension. This alteration was accompanied by the development of vascular hypertrophy and preceded the abnormal increase in DNA content observed in the ...
Murray D M - - 1988
We undertook a direct mail campaign to urge persons identified as being at risk for hypertension to seek medical advice. Those who received a single mailing displayed a 28% increase in the proportion who subsequently discussed their blood pressure with a physician and a 12% increase in the proportion who ...
Rauch A L - - 1988
To examine the role of the sympathetic nervous system in hypertension, the in vitro activity of tyrosine hydroxylase was examined in one-kidney, one clip (1K1C) and two-kidney, one clip (2K1C) hypertensive rabbits and their respective controls 2 weeks after surgical procedures. The in vitro activity of tyrosine hydroxylase provides a ...
Rauch A L - - 1988
In order to examine the role of central catecholaminergic neurons in hypertension, the activity of tyrosine hydroxylase (TH), the rate-limiting enzyme in the synthesis of catecholamines, was studied in the hypothalamus, midbrain, pons-upper medulla, mid-medulla and lower medulla of one-kidney, one clip (1-K,1C) and two-kidney, one clip (2-K,1C) hypertensive rabbits ...
Bennett N M - - 1988
To study the frequency, cost, sociodemographic profile, and previous care correlates of hospital admissions for hypertensive emergency, we used specific case criteria to identify a series of 100 cases at Presbyterian Hospital in New York City. Approximately 58 cases were admitted per year. Mean length of hospital stay was 11.8 ...
Thomsen H S - - 1988
Single kidney function was determined both by single probe renography (131I hippuran) and gamma camera scintigraphy (99Tcm DMSA) in the sitting position in 42 consecutive patients who were referred to renography as a part of the workup of their hypertension. The positioning of the detectors turned out to be satisfactory ...
Dickson R C - - 1988
Hospital-based audits of family physicians are of uncertain utility, since most family physicians conduct community-based practices. We evaluated the feasibility of using a skill-based audit procedure. Blood-pressure measurement is a common and important skill which is often performed poorly by physicians because of a combination of poorly maintained equipment and ...
Ford C E - - 1987
The Hypertension Detection and Follow-up Program (HDFP), through a two-stage population-based screen for high blood pressure involving over 159,000 persons in 14 U.S. communities, recruited and randomized 11,386 participants. The design initially called for the recruitment of 800-1000 hypertensive individuals per clinic over a 9-month period. The size of the ...
Rudd P - - 1987
To confirm reports of increased absenteeism after worksite hypertension screening, we performed a three-stage blood pressure screening among 5888 self-selected heterogeneous workers at 11 electronics plants using standardized screening and labeling procedures. A total of 296 subjects with mean systolic blood pressure of 140 mm Hg or greater or diastolic ...
Mamon J - - 1987
This study describes the development and testing of a high blood pressure protocol for use in emergency departments (ED) to enhance detection of those patients appropriate for subsequent referral. The protocol involves two serial blood pressure measurements and a patient interview to determine: 1) previous history of high blood pressure ...
Torres V E - - 1987
We studied 99 living related allograft donors with follow-up information of at least 10 years and the 50 recipients who had successful outcomes. Recipients were younger and had significantly lower blood pressures at follow-up than their donors. Borderline and definite hypertension were present in 22.2% and 4.0% of donors prior ...
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