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Results 551 - 600 of 689
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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 ...
Sonkodi S - - 1987
Goldblatt hypertension was induced in rats by constricting the renal artery on one side. In one group of animals the contralateral kidney remained untouched (two-kidney hypertension), while in the other it was removed (one-kidney hypertension). In the two-kidney hypertension group, renin activity was higher than in the control animals, the ...
Ito Y - - 1986
The purpose of this study was to determine the prevalence of persistent blood pressure elevation in school children. Mass screening of blood pressure was performed simultaneously with a cardiovascular health check in school children. Forty four hundred and eighty school children were selected as subjects for this study, consisting of ...
Dzubow L M - - 1986
Elevated blood pressure is a major cause of perioperative bleeding and postoperative hematoma. Seventy-five patients scheduled for dermatologic surgical procedures were prospectively asked if they were aware of any personal history of hypertension. If patient response alone is relied on as a preoperative screen for hypertension, over half of the ...
Huang Y Y - - 1986
This article reports the prevalence and unawareness of hypertension in a petrochemical industrial population. Data were obtained from the First Shanghai Petrochemical Complex Hypertension Survey, which was part of the first round of the Health Examination Survey Program (n = 29,391) from May 1979 through June 1982. In this study, ...
Close A - - 1986
A finger sphygmomanometer was compared with a mercury column sphygmomanometer for its ability to screen for hypertension. A total of 881 patients used each machine, both in initial screening and then for monitoring. The finger sphygmomanometer had a specificity of 98.5% in routine screening as compared with 97.6% for the ...
Elder J P - - 1986
This paper describes the effectiveness of an incentive-based approach to screening for hypertension by comparing it to two more typical on-site screenings. In the "bounty system," adolescents were trained and certified in blood pressure assessment to enable them to conduct door-to-door blood pressure screenings. The youths received incentives for various ...
Chapman P J - - 1986
Myocardial infarction and cerebrovascular accidents kill more people than all other causes of death combined, and hypertension is the single most important risk factor involved. From studies it is known that about 7% to 10% of adult dental patients will suffer previously unsuspected hypertension and which can be detected as ...
Rudd P - - 1986
To evaluate reports of psychosocial dysfunction after worksite screening, a three-stage blood pressure screening was performed using standardized screening and labeling procedures. Of a heterogeneous group of 5,888 workers, 296 with sustained hypertension were identified and randomly assigned to traditional arousal or reassurance debriefings, matching each hypertensive subject with one ...
Markov K V - - 1986
In the course of five years, arterial hypertension was epidemiologically studied in a population of industrial workers (n = 7883), divided into 3 groups according to the kind of preventive intervention. In the active prevention group a statistically significant improvement of the epidemiological situation was observed. A certain improvement in ...
Zimmerman R S - - 1986
Two studies assessed the potential impact of health education messages at worksite blood pressure screenings. The messages sought to: motivate hypertensives to enter or return to treatment, motivate normotensives to improve health habits and discourage inappropriate use of blood pressure screening by normotensives. A total of 473 participants in the ...
Morady F - - 1985
In response to a questionnaire, 59% of 196 physicians indicated that they were influenced by a patient's blood pressure and clinical status when attempting to distinguish ventricular tachycardia (VT) from paroxysmal supraventricular tachycardia with bundle-branch block. A sizable proportion of physicians are unaware that VT need not be associated with ...
Sexton M - - 1985
This study examined the effects of hypertension on two measures of employee absenteeism with the three confounding variables of sex, race, and age held constant. Subjects were 820 Maryland State employees who participated in a worksite blood pressure screening program. Comparison of official records for the year before (1978) and ...
Radice M - - 1985
Screening for hypertension in the community leads to the identification of hypertensive people not previously detected, and those detected but inadequately treated or not treated at all. The aim of the present study was to assess the long-term efficacy of screening for blood pressure control in a general population. During ...
Stefenelli T - - 1985
A 43 year old man was referred to the Internal Department for the examination of cardial decompensation, hypertension, polyglobulia and atrophy blanche of the lower legs. Clinical and supersonic examination revealed two tumors in the left kidney (diameter 8 and 3.5 cm) and some small tumors in the right kidney. ...
Birkett N J - - 1985
A survey of a representative population sample was carried out to evaluate the prevalence and control of hypertension in Middlesex County, Ontario. Of the 3067 subjects selected 2735 completed the initial interview. If the diastolic blood pressure was greater than 89 mm Hg in three readings, up to two further ...
Warrington S - - 1985
Systolic time intervals (STI) are unique in describing cardio-vascular function in terms of time alone. Although the STI were first adequately described over 60 years ago, it is only recently that they have been applied in a scientific way to the study of drug action in man. The STI are ...
Meade T W - - 1985
Controversy over cervical cytology prompted the setting of guidelines for the provision of a screening service. These are discussed in terms of the relationship between blood pressure and cerebrovascular disease and the relationship between the blood cholesterol level and ischaemic heart disease. In the first case, concern mainly centres on ...
Rösler H - - 1985
Radionephrographies were performed in 23 hypertensive patients before and after 28 transluminal dilatations (PTD) of their stenosed renal arteries. The changing clearances for both kidneys (global = Clgl) and for stenosed and contralateral kidneys (Clst and Clco) were followed for three groups, dependent on their clinical outcome, as well as ...
Prentice J W - - 1984
A system, based on the Apple II microcomputer, has been developed to collect cardiovascular data on-line from a non-invasive arterial pressure monitor. Off-line data are entered as far as possible, with a light pen. All information is stored on disc for subsequent analysis. A coloured trend graph can be displayed ...
Seto S - - 1984
It has been reported that immunization against tonin normalizes blood pressure, and that sialoadenectomy, during which the tonin-rich salivary glands are removed, decreases blood pressure in one-kidney, one-clip hypertension. To investigate the role of tonin on this form of hypertension further, we actively immunized one-kidney, one-clip hypertensive rabbits with tonin ...
Wang B M - - 1984
Aminoglycoside interactions with various phospholipids were measured in three model systems and compared with the ototoxicities of the drugs: (a) competition for [14C]neomycin binding; (b) competition for 45Ca2+ binding; and (c) effect on surface pressure of monomolecular lipid films. The efficacies of the antibiotics in displacing neomycin from phosphatidylserine, phosphatidylinositol ...
Wespes E - - 1984
Passive erection was obtained in 10 patients with normal erections without the use of any artificial mechanism of retention at the base of the penis. The necessary flow to provoke the erection ranged between 80 and 120 ml/min. Intracavernous pressure and penile circumference were also monitored until the appearance of ...
Gafni A - - 1984
What is the impact of being told that one has hypertension? According to evidence from randomized controlled trials one effect of labelling is an increase in illness related absenteeism among those who were unaware of their blood pressure status. Moreover, this effect exists even when no objective medical reasons justify ...
Zorgniotti A W - - 1984
The author presents the view that there is a real need to diagnose impotence in more detail as demand for physiologic solutions to erectile dysfunction make inroads into the simplistic solution offered by penile implantation. Penile blood pressure measurements are diagnostic of vascular insufficiency only when values are low, since ...
Denny D F - - 1984
An elderly woman presented with severe hypertension related to a renin producing kidney supplied only by collaterals. Recanalization of the artery to this kidney leads to incomplete blood pressure control. Subsequently, percutaneous, selective ethanol infusion ablated the kidney and lead to good control. This two-step approach allowed both evaluation of ...
Dunn E - - 1984
Hypertension is an important and common problem in family practice, but there is no general agreement on the systolic and diastolic pressures at which it should be diagnosed and treated. Responses from 273 family physicians surveyed by mail in Metropolitan Toronto showed a wide variation in the pressures used as ...
Halasz N A - - 1984
Propylene glycol (PG), glycerol (G), or a combination of both were introduced into and eluted from 116 rabbit kidneys. The function of the kidneys was then studied on an ex vivo shunt by determining bloodflow and creatinine clearance. The cryoprotective agents ( CPAs ) were introduced and eluted at the ...
Johnston M E - - 1984
Two hundred and thirty hypertensive Canadian steelworkers were followed for 5 years after screening and referral. Data on income, absenteeism and measures of work and social function were collected on these men and on a matched group of 230 normotensive employees. In the fifth year after screening, hypertensive employees earned ...
Bartelsman J F - - 1984
The understanding of motility disorders has been greatly improved since the introduction of reliable and non-invasive recording techniques. Motility can now be studied by measuring transit, motor activity, and electrophysiology in all regions of the gut. Barium studies, radiological screening, pH monitoring, cinematography, radio-telemetric recording, manometry, radionuclide scintigraphy, intubation, endoscopy, ...
Stephens W P - - 1983
An automatic device for measuring blood pressure was used to screen all patients aged 30 to 65 years registered at a health centre. Of those who were eligible, 55% attended. Patients with previously recognised hypertension were more common among the attenders than among the non-attenders. High readings obtained on the ...
DiAngelis N - - 1983
Hypertension screening is a common activity in dental offices. However, this setting may elevate blood pressure, resulting in excessive patient concern and referrals. To experimentally test this question, blood pressure was measured in 60 subjects in a dental setting and a medical setting. Systolic and diastolic pressure differences were small ...
Fixler D E - - 1983
The validity of a mass blood pressure screening program carried out on Dallas high school students who were followed for at least 3 years is reported. Blood pressure results on initial screening in the tenth grade were related to outcome blood pressure status. The frequency of initial blood pressure elevation ...
Vandongen R - - 1983
Changes in systolic blood pressure and urinary excretion of PGE2 and 6-keto PGF1 alpha 24 h after removing the renal artery clip were compared in one-kidney and two-kidney, one clip Goldblatt hypertension in the rat. Unclipping the one-kidney rat returned blood pressure to normotensive levels within 24 h and was ...
Islam N - - 1983
A total of 5,026 persons constituting 75% of the total population of a village of Bangladesh were screened for elevated blood pressure. Three hundred thirty seven (6.7%) showed diastolic blood pressure of 90 mm Hg or above. Those with diastolic blood pressure of 95 or above constituted 2% of the ...
Rubio C A - - 1983
A model system consisting of exfoliated abnormal cells and acellular viscous, mucus-like material was used to investigate the effect of the pressure exerted during smearing on the number of abnormal cells present in the preparations. Smears were made with a cotton swab applicator from left to right with parallel strokes, ...
Barrett J - - 1983
Blood samples were obtained from 237 consecutive injured patients before any resuscitation. Microaggregate (MA) formation was measured by the screen filtration pressure (SFP) technique. Arterial blood gases were analyzed concomitantly and the respiratory index (RI) calculated. An Injury Severity Score (ISS) was calculated for each patient. The results show a ...
Foote A - - 1983
Four methods for improving hypertension control among employees were tested in one manufacturing plant each: screening and referral to a physician but no other intervention; referral to a physician and semiannual follow-up; referral to a physician and more frequent follow-up as needed; and on-site treatment or care by a family ...
Rosner B - - 1983
There presently is no consensus regarding criteria for hypertension screening or case finding. Blood pressure variability results in differential ascertainment, depending upon the number of screening visits, the number of measurements per visit, and the method used in reducing the data obtained to an underlying measure of blood pressure status. ...
Budhiraja R D - - 1983
A new withanolide, with a unique chemical structure similar to the aglycones of the cardiac glycosides, with mol. wt. 488 6, m. p. 260-261 degrees, isolated from the fruits of Withania coagulans, was screened for cardiovascular effects. At doses of 5 mg/kg body weight, the withanolide produced a moderate fall ...
Takala J - - 1983
The population aged 40 to 64 years of the municipality of Köyliö, situated in southwestern Finland, was screened for hypertension in 1973-74; a total of 1018 persons (92%) participated in the program. On the basis of two separate blood pressure measurements a total of 147 hypertensive individuals who were not ...
Silman A J - - 1982
The distribution of diastolic blood pressure (DBP) was compared between those who responded to a first written request to attend at their general practitioner's surgery for screening for hypertension and those who need more intensive effort encouraging them to attend. After excluding 25% of the population whose current address could ...
Kuchel O - - 1982
Sulfoconjugation is an important metabolic pathway determining the fate and potential cardiovascular action of ingested phenolic substances. Among the three catecholamines, dopamine (DA) is to the highest degree sulfoconjugated and has the highest affinity toward the phenolsulfotransferase (PST). The concentration of some sulfated catecholamines, particularly of DA sulfate, increases following ...
Harland E C - - 1982
Water soluble nonalkaloid fractions of Erythroxylon coca were screened in mice for their effects on oxygen utilization and central nervous system (CNS) activity. The fractions were screened in dogs for cardiovascular, blood glucose, and respiratory changes. No CNS effects were demonstrated in mice; however, there was a reduction in the ...
Grimm R H RH - - 1982
The influence of a systematic survey and follow-up of blood pressure in a population sample was assessed by a subsequent survey performed an average of 40 months later. A subsample of 764 men, originally ages 35-57 years, was randomly selected for telephone follow-up, while blood pressure was remeasured in 133 ...
Kleinstein R N - - 1982
Systemic hypertension is a major health problem in the United States. Almost 16 million people with this disease are estimated to be untreated or inadequately treated. Optometry graduates of the University of Alabama in Birmingham School of Optometry have always received clinical and didactic training in the routine assessment of ...
Shapiro M F - - 1982
When some participants in a hypertension screening program reported a previous diagnosis or treatment of low blood pressure a similar program was established at two shopping centres in Montreal to identify and characterize subjects labelled as having low blood pressure. Of the 1019 subjects screened (434 men and 585 women) ...
Wasserman B P - - 1982
Adequate control of high blood pressure remains a significant problem for many hypertensives detected through screening programs. The worksite is an ideal place in which to help workers control their high blood pressure. The Occupational Medical Service (OMS) at the National Institutes of Health developed and implemented a protocol to ...
Thomsen H S - - 1982
Retrograde pyelography was performed in 14 kidneys of anesthetized baby pigs to study the phenomenon of pyelorenal backflow. In this model, a constant retrograde perfusion rate of 10 ml/min was used which resulted in a progressive increase in pelvic pressure. The experiments were done on normal and ischemic kidneys. Pyelosinous ...
Robbins J M - - 1982
This paper documents diagnosis and treatment of hypotension among a sample of subjects visiting blood pressure screening booths as part of a hypertension screening survey in Montreal. Of 1019 subjects, over one quarter had been diagnosed as hypotensive. Though low blood pressure is harmless for the majority of people, almost ...
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