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 124,988 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The mortality of 3783 non-malignant hypertensive patients attending the Glasgow Blood Pressure Clinic between 1968 and 1983 and followed for an average of 6.5 years was compared with that in three control groups: the general population of Strathclyde a group of 15 422 subjects aged 45-64 years and screened in Renfrew and Paisley between 1972 and 1976, and a group of hypertensives seen in a blood pressure clinic based on general practice in Renfrew. Average blood pressure for men at entry to the Glasgow Clinic was 181/111 mmHg falling to 158/96 mmHg during treatment. Corresponding values for women were 185/109 mmHg and 161/96 mmHg. Seven hundred and fifty clinic patients (451 males) died during follow-up, the commonest causes of death in both sexes being myocardial infarction and stroke. All-cause age-adjusted mortality (deaths per 1000 patient-years) was 41.4 for men and 22.1 for women. At all ages in both sexes and for all levels of initial blood pressure mortality was less in patients whose blood pressure was reduced most. Without a randomized control group it is not certain that lower mortality in those with well controlled blood pressure was due to treatment, although this is the most likely explanation. Cigarette smoking, a history of myocardial infarction, angina or stroke, retinal arterio-venous nipping, raised blood urea, an abnormal electrocardiogram (ECG) and secondary hypertension were associated with increased risk, but heavy alcohol intake, obesity, haematocrit greater than 45%, hypokalaemia and social class were not. Life table analysis showed that, despite some reduction of mortality by treatment, the relative risk to men and women in the clinic remained two- to five-times that of the general population. The benefits of treatment were not such as to restore normal expectation of life even when blood pressure was well controlled. Excess mortality in the clinic could not be explained by difference of smoking habit or social class. This suggests that there is in the hypertensive patients of the Glasgow Clinic an element of irreducible risk, that treatment may be beneficial in some respects but harmful in others, or that patients at particularly high risk are selectively referred to the clinic.
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PMID:Mortality in patients of the Glasgow Blood Pressure Clinic. 371 57

A study of the associations with cardiovascular disease (CVD) was made in subjects attending the Diabetic Clinic at Royal Perth Hospital. The variables examined were sex, age at time of study, age of onset of diabetes, duration of diabetes, mode of treatment, control (as assessed by fasting and post-prandial plasma glucose concentrations and glycosylated hemoglobin concentration), insulin levels in subjects not on insulin, obesity, blood pressure, total- and high-density lipoprotein and triglyceride concentrations, and smoking habit. CVD was diagnosed on the basis of (a) past history of myocardial infarction, (b) definite angina, (c) diagnostic ECG abnormality, and (d) cardiomegaly. A multiple logistic regression model identified the variables showing independent, significant associations with CVD as age, high-density lipoprotein cholesterol, diastolic blood pressure, an interaction between smoking and age and an interaction between treatment mode and blood pressure. As in the population generally, high-density lipoprotein cholesterol is the lipid variable showing the most significant association with prevalence of cardiovascular disease. Smoking is associated with a substantially increased risk of CVD in diabetics up to the age of about 70 yr. The use of oral hypoglycemic agents is associated with a lower prevalence of CVD in normotensive subjects, but with an increased risk in those who have systolic hypertension.
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PMID:Risk factors for cardiovascular disease in a diabetic population. 372 38

The prevalence of chronic disease based on a mailed questionnaire was estimated as part of a continuing epidemiological study of a retirement community. The prevalence of eight chronic diseases (high blood pressure, angina, myocardial infarction, stroke, diabetes, rheumatoid arthritis, glaucoma, and cancer) was determined across all age and sex groups. The relationships between these diseases and several health related life-style practices were assessed. A health index summarizing five practices (smoking, alcohol consumption, exercise, sleep and obesity) was clearly related to the prevalence of disease.
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PMID:Prevalence of chronic disease and health practices in a retirement community. 373 24

Using a job stress questionnaire a negative correlation was found between job stress and physical fitness and a positive one with Type A behaviour. No correlation was found between job stress and obesity, nutritional patterns or physical activity. Subjects with angina had higher scores on the job stress questionnaire than normal controls. The job stress score was not predictive of future coronary heart disease.
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PMID:How does stress exert its effects--smoking, diet and obesity, physical activity? 374 39

To evaluate whether a significant statistical correlation exists between earlobe crease (EC) and coronary heart disease (CHD), 1000 Japanese adult patients (573 males, 427 females) were examined for the presence or absence of EC, clinical or angiographic evidence of CHD, and the following coronary risk factors: male sex, age over 50 years, obesity, hypertension, diabetes mellitus, cigarette smoking, and hyperlipidemia. Patients were divided into two groups according to clinical evidence of CHD: 237 patients with angina pectoris and/or myocardial infarction (CHD+ group); 720 patients without evidence of CHD (CHD- group). Coronary angiography was performed on 200 patients from this sample population; these patients were also divided into two groups: 119 patients with greater than 50% luminal narrowing of at least one major coronary artery (stenosis+ group); 81 patients with no significant atherosclerotic changes in the coronary arteries (stenosis- group). EC was present in 58 of 237 CHD+ patients (24.5%) but in only 35 of 720 CHD- patients (4.8%; P less than 0.001); it was present in 31 of 199 stenosis+ patients (26.1%) but in only 3 of 81 stenosis- patients (3.7%; P less than 0.01). EC was also found to correlate significantly with some coronary risk factors; the correlations between the presence of EC and the presence of CHD and coronary risk factors were investigated by multivariate analysis. In a multivariate setting, the existence of CHD and an age of over 50 years was significantly related to the presence of EC. To investigate the relationship between EC and advancing age, all patients were separated into age-groups.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Earlobe crease and coronary heart disease in Japanese. 379 68

The major predictors of left ventricular function after coronary artery occlusion were assessed in 108 consecutive patients who had complete occlusion of the left anterior descending artery as the only important lesion demonstrated at angiography between June 1978 and June 1983. A scoring system was used to identify regional damage on left ventriculograms. Forty two patients were classified as having good left ventricular function and 66 as having varying degrees of impairment. Apart from a history of myocardial infarction, the only variables discriminating between those with good and those with impaired left ventricular function were the area of distribution of the artery beyond the occlusion and cigarette smoking. Hypertension, hypercholesterolaemia, family history of vascular disease, diabetes, obesity, duration of angina, age, and presence of identifiable collaterals were not discriminators. Smoking was itself significantly associated with a history of infarction; but after controlling for this, smoking exerted a significant additional effect on the amount of left ventricular damage. It is concluded that smoking is not only a risk factor for myocardial infarction in patients with single left anterior descending artery occlusion, but that it is also a major factor in determining the extent of associated left ventricular damage.
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PMID:Smoking: a major predictor of left ventricular function after occlusion of the left anterior descending coronary artery. 380 Dec 40

The clinical features and course of 30 patients (26 men and 4 women) under 30 years of age (mean age 27.3 years) with an acute myocardial infarction (MI) are described. The most common risk factor among this group of patients was smoking in 20 patients (66%). The prevalence of the other risk factors was low: hyperlipidemia in four patients and family history of ischemic disease in another four patients, diabetes mellitus, hypertension, and obesity each in one patient. Seven patients (23%) had none of the conventional risk factors. Three patients were exerting themselves prior to the onset of their MI pain; all of them had normal coronaries. Five patients experienced chest pain prior to MI, among them only two experienced classical angina pectoris. Eighteen patients underwent uncomplicated MI. The complications in the other 12 during the acute MI were rhythm disturbances in eight and congestive heart failure in four. Cardiac catheterization was performed in 25 patients. The occurrence of zero, one, or multivessel disease was equal. The 30 patients were followed up from six months to 15 years (mean 7 years). In 18 patients circulating aggregated platelets were measured one year after the MI. Elevated values were found in all of them (mean +/- SD 34.9 +/- 9.1%). In 6 of the 18, all heavy smokers, extreme values were found in the range of 39-55%. Three out of the 30 patients died within five years after their first MI. The other 15 patients developed complications, most of them angina pectoris. Five patients were hospitalized for reinfarction. None of the 30 underwent aortocoronary bypass operation.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Myocardial infarction in young adults under 30 years: risk factors and clinical course. 381 21

The authors study the sensitivity, the specificity and the predicting value of Frank's sign (presence of a groove at the level of the earlobe) on a group of 172 patients undergoing a clinical examination, an EKG at rest and effort, and a selective coronary arteriogram for suspicion of coronary disease. The criteria retained for the diagnosis of coronary disease is the presence of stenosis superior or equal to 75 p. cent in one of the three main coronary vascular trunks. Statistical studies using the CHI 2 test reveal a highly significant association between Frank's sign and coronary disease (p less than 0.001). The sensitivity of Frank's sign reaches 75 p. cent, its specificity 57.5 p. cent and its positive predicting value 80.3 p. cent. The predicting value is a function of the sex: it is a great deal lower in women (50 p. cent) than in men (84.7 p. cent). The prevalence of Frank's sign increases progressively with age: 42 p. cent in the 30-39 age group and 75.8 p. cent in the 60-69 age group. The predicting value remains high however beyond 60 years: predicting value of 77 p. cent. Frank's sign is correlated neither with the gravity of the coronary disease, nor the duration of the angina, nor with any of the risk factors studied here: tobacco, hypercholesterolemia, arterial hypertension, diabetes, obesity. Frank's sign is therefore considered as a marker of the coronary disease, independent of risk factors but frequently associated with them. If its absence does not permit in any way to exclude the diagnosis of coronary disease, its presence corresponds in three quarters of the cases to an established coronary disease within a symptomatic population.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:[Frank's sign and coronary disease]. 382 55

Among 121,964 women aged 30-55 years in 1976, 117,156 who were initially free from coronary heart disease provided information on a number of coronary risk factors including parental history of myocardial infarction and were followed prospectively. In 1976, 31,101 (26.5%) reported that at least one parent had suffered a myocardial infarction. Questionnaires in 1978 and 1980 identified women who had developed nonfatal myocardial infarction (n = 132) and angina pectoris (n = 101). Fatal coronary heart disease cases (n = 42) were ascertained by searches of state vital records. The age-adjusted relative risk of nonfatal myocardial infarction for women with a parental history of myocardial infarction less than or equal to 60 years of age compared with women with no family history was 2.8 (95% confidence limits (CL) 1.8, 4.3). For those with a parental history of myocardial infarction greater than 60 years of age, the age-adjusted relative risk of nonfatal myocardial infarction was 1.0 (CL 0.5, 1.8). The age-adjusted relative risks of fatal coronary heart disease were 5.0 (CL 2.7, 9.2) for parental history before age 61 and 2.6 (CL 1.1, 5.8) for parental history after age 60. The corresponding relative risks of angina pectoris were 3.4 (CL 2.2, 5.2) and 1.9 (CL 1.2, 3.2), respectively. These associations were only slightly altered by adjustment for history of hypertension, diabetes, high cholesterol, use of oral contraceptives, menopause, postmenopausal hormone use, obesity, or smoking, in individual stratified analysis or in multivariate analyses. These data support the hypothesis that parental history of myocardial infarction has an independent effect on risk that is not explained solely by individual risk factors.
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PMID:A prospective study of parental history of myocardial infarction and coronary heart disease in women. 394 Apr 42

From among 899 consecutive patients who underwent their first coronary arteriography, we selected 147 pts with vasospastic angina (VA) and 356 pts with classic angina (CA) and divided them into three different age groups: -49 years old, 50 to 59, and 60-. In these 899 pts, incidences of VA showed no increase with aging. Prevalence of coronary risk factors in CA, such as diabetes, hypercholesterolemia, hypertension, and obesity, was higher than in VA, although prevalence of smoking in CA was lower than in VA. In VA, we found an age-related increase in the incidence of smoking only, in contrast to the other four risk factors. The VA showed no age-related increase in the incidence of complication of fixed coronary stenosis. These findings suggest that aging and atherosclerosis might not play a major role in pathogenesis of VA, although the mere presence of atherosclerosis irrespective of its severity could interact with local susceptibility to spasm, leading to coronary vasospasm.
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PMID:Age-related changes of clinical features and prevalences of coronary risk factors in Japanese patients with vasospastic angina. 394 Jul 72


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