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Coronary arteriography was performed because of suspected coronary disease in 239 women less than 45 years of age. Normal coronary arteries were found in 112 women, and a further 23 had insignificant stenosis (less than 50 percent narrowing of luminal diameter). Of the remaining 104 women, 56 had one vessel, 22 two vessel and 26 three vessel disease. Hyperlipidemia, hypertension, diabetes, smoking and a family history of coronary disease were significantly more frequent in women with significant stenosis than in women with normal arteries. Significant coronary disease was found in 55 percent (100 of 182) of women with more than two risk factors but in only 7 percent (4 of 57) of those with less than two risk factors (P less than 0.0001). Evaluation of symptoms and the resting electrocardiogram also discriminated between women with and without coronary disease, but exercise testing was of little value. Only 4 of the 46 women with previous myocardial infarction had normal or near-normal coronary arteries. Among women with segmental wall motion abnormalities on ventriculography, the site was anterior in 90 percent (19 of 21) of women who used oral contraceptive drugs but in only 60 percent (21 of 35) of nonusers (P less than 0.05). However, in most respects, coronary artery disease in young women does not appear to differ from coronary disease in other patients.
Am J Cardiol 1978 Jul
PMID:Coronary artery disease in young women: clinical and angiographic features and correlation with risk factors. 67 35

We studied the prevalence and the risk factor among the patients of gout in Mexico. Research was conducted in the National Institute of Cardiology and in our private practice. Prevalence of hiperuricemia and gout in the Institute of Cardiology was of 1% (970 out of nearly 100,000 patients). We divided those cases of two subgroups: Reumatology patients (333) and Cardiovascular patients (529). In the first group primary gout was (96.3), and (50.32% in the second. Risk factor was quite different too: nephropathy 9.9%, lithiasis 9.3%, pyelonephritis 2.7%, cardioangiosclerosis 12.9%, aortosclerosis 6.6%, coronary insufficiency 6.3%, myocardial infarction 0.9%, arterial hypertension 24.6% obesity 56.1% and diabetes 9.9% in the Reumatology group; in the Cardiovascular one, nephropathy 14.3%, lithiasis 12.2%, pyelonephritis 7.1%, cardioangiosclerosis 62.7%, aortosclerosis 31.7%, coronary insufficiency 24.9%, myocardial infarction 29%, arterial hypertension 51%, obesity 54.8% and diabetes 20.4%. Among the private practice patients prevalence was of 10.1% (961). In an early age (39 years) in men and a later one for women (53 years). Other characteristics of epidemiology and risk factor are: primary gout 89%, atherosclerosis 5%, coronary disease 4.6%, lithiasis 4.7%, nephropathy 2%, pyelonephritis 1%, obesity 43%, and diabetes 4.6%. In an small group of patients of our private practice we made an exhaustive study of risk factor and the metabolic disorder of lipids. We found the following frequency: 9.3 of nephropathy, 31.2% of lithiasis, 18.7% of pyelonephritis, 68.9% of cardioangiosclerosis, 46.8% de coronary insufficiency, 9.3% of myocardial infarction, 68.7% of arterial hypertension, 68.7% of obesity and 18.7% of diabetes. In the lipid profile we found an increase in triglicerids and prebeta lipoprotein. We have amply discussed the relation between hiperuricemia and pathology considered as a risk factor from the genetic point of view as well as the metabolic and circumstancial aspect. From all that we concluded that risk is multifactorial.
Arch Inst Cardiol Mex
PMID:[Various epidemiological aspects of hyperuricemia and gout in Mexico: incidence and the cardiovascular risk factor]. 72 44

Survival of 312 patients with acute myocardial infarction was studied from data collected during the first 48 h in the coronary care unit. Only patients with recent onset of symptoms (48 h), with a 48-h survival, and with evidence of myocardial infarction, were selected. Mortality rate at 1 mth was 15.3% and 24.6% at 6. The following factors were significant for poor survival: increasing age, female sex, diabetes, previous angina, low blood pressure on admission and at the 48th h low average value and the lowest observed value of blood pressure, clinical and radiological left ventricular failure, high level of LDH, increased urea and leukocytosis. Among ECG data, the presence of signs related to extent of infarction, anterior as compared to inferior location, antero-lateral as compared to anterior, QRS frontal axis deviation, absence of sinus rhythm, sinus tachycardia, tachyarrhythmias with wide QRS complex, right bundle branch block, 3rd-degree AV block with wide QRS complex, was associated with significantly worse survival than the absence of these signs. A multivariate analysis of the 42 most significant data, assuming linear regression, was used to establish a discriminant prognostic index. Using this index, survival was predicted correctly in 90.2% of patients at 1 mth and 85.7% at 6 mth. Thus prognosis can be established in nonclear-cut groups of patients with myocardial infarction (severe and benign forms being excluded by criteria) from simple clinical data.
Eur J Cardiol 1978 Dec
PMID:Quantitative assessment of myocardial infarction prognosis to 1 and 6 mth--from clinical data. 72

The association between the presence of areas of myocardial fibrosis and the appearance of unexpected DEVIATIONS OF THE QRS loop-outline on the vectorcardiographic tracing (bites) has been reported. In order to re-evaluate the correlation between the presence of bites and the possible existence of scars we have studied 511 patients. On the basis of clinical data, laboratory data, rest and exercise electrocardiograms, the subjects have been divided into four groups; 195 normal subjects; 267 with ischemic heart disease, 16 with arterial hypertension and 33 with diabetes mellitus (the last two groups as representative of subjects with higher risk for myocardial ischemia). Bites in at least one plane were detected in 9.7% of normal subjects, 27.8% of ischemic patients, 56.3% of hypertensive patients and 18.2% of diabetics (less than 0.001). The genesis of bites and reliability of the diagnostic criteria are discussed. With more restrictive criteria the frequency in the normal subjects falls to 1%, while in the other three groups it remains much higher (10.1%-12.5%-6.1%).
G Ital Cardiol 1978
PMID:[Presence of bites in VCGrams of a high coronary risk population (author's transl)]. 73 76

Eleven percent of 905 consecutive patients with acute myocardial infarction admitted to the coronary care unit at Duke University Medical Center experienced cardiac arrest. Subgroups of patients at high and low risk for cardiac arrest were identified. Cardiac arrest was experienced by 17 percent of patients with signs of heart failure on admission but by only 3 percent of patients without diabetes mellitus, prior myocardial infarction or heart failure by history or on admission. Only 59 percent of patients with cardiac arrest survived hospitalization compared with 88 percent of those without cardiac arrest. Long-term survival for the 765 hospital survivors was significantly greater in the group without than in the group with arrest at each yearly interval from 1 through 5 years; the 2 year survival rate was 50 and 77 percent, respectively, in these two groups. Many of the deaths among the hospital survivors occurred in patients with signs of heart failure during hospitalization. Among 668 hospital survivors who had mild or no heart failure during hospitalization, cardiac arrest continued to be a significant predictor of mortality. The mode of death among hospital survivors did not differ in the groups with and without cardiac arrest; for example, the incidence rate of sudden death in the two groups was 44 and 37 per cent, respectively. In light of recent reports suggesting that the prophylactic use of antiarrhythmic agents can virtually eliminate virtually fibrillation during the hospital phase of acute myocardial infarction, we contend that such use may substantially reduce both long-term and hospital mortality after acute myocardial infarction.
Am J Cardiol 1977 Jan
PMID:Cardiac arrest complicating acute myocardial infarction: predictability and prognosis. 83 30

A statistical study was done on two groups of patients. The first group included 128 subjects of less than 65 years of age. The second group comprised 75 subjects aged 65 years or older. The purpose of the study was to identify the most relevant clinical aspects of myocardial infarction in older aged patients. The following variables were taken into consideration: sexual distribution, predisposing factors, causative factors, initial symptoms, site of infarction, physical and instrumental indications, cardiac and extracardiac complications, immobilization time, recovery time, residual aspects at patient discharge, mortality and tyme and type of death. The analysis was performed using both non parametric X2 test and correlating some variables with age independently of the subdivision of cases in groups, according to the method of multiple step-wise and simple regression. In the older age group the most significant statistical data was: the major incidence of infarcts was in women; the prevalence of predisposing factors such as hypertension and diabetes; the most frequent presentation of initial atypical symptoms; the most elevated incidence of hemodynamic complications and the highest mortality.
G Ital Cardiol 1977
PMID:[Clinical aspects of myocardial infarction in elderly people. Statistical study of 203 cases (author's transl)]. 85 56

Fifty patients who suffered from an acute myocardial infarction at age 40 or below and underwent coronary arteriography, were studied from 8 to 184 months after the infarction (mean follow-up 56 months). Hyperlipidaemia (60%) and cigarette-smoking (82%) were the most common risk factors, while hypertension and diabetes mellitus were found in 10% of all patients. Thirty-seven patients had two or more risk factors. Preinfarction angina was present in 7 subjects. Death rate was 14% within five years and was related to the severity of symptoms. Out of the patients with normal coronary arteriogram (6 patients) or with a single vessel disease 21 were free of angina and 30 did not suffer a reinfarction. Out of 17 patients with two or more coronary vessel disease, angina was present in 14 and reinfarction was seen in 5.
G Ital Cardiol 1977
PMID:[Myocardial infarction in the young: evolution and clinico-coronarographic correlation (author's transl)]. 87 96

Ventricular ectopic beats (VEB) were studied in 100 consecutive patients prior to discharge after an acute myocardial infarction and again after 1 yr, on 6-h recordings. VEB were found in 71 patients prior to discharge. Reinfarction and sudden death taken together were significantly more common in the 35 patients who had severe VEB, i.e. multiform, paired, R-on-T or ventricular tachycardia (P less than 0.05). Reinvestigation after 1 yr of 73 survivors who had not reinfarcted revealed a nonsignificant overall increase in patients with VEB from 67 to 78% together with an increase in degree of severity. The intraindividual pattern, however, differed considerably. Several clinical findings including angina pectoris, heart fialure, hypertension, diabetes mellitus, hyperlipidemia, antiarrhythmic therapy, and smoking, failed to differentiate patients with increasing VEB severity from the remainder.
Eur J Cardiol 1977 Jul
PMID:Ventricular arrhythmias prior to discharge and one year after acute myocardial infarction. 89 82

50 non-diabetic patients, less then 70 y.o. and with fasting blood sugar (FBS) subsequently proved to be normal, consecutively admitted to the Coronary Care Unit by the 10th hour of acute myocardial infarction (AMI), have been studied. Blood sugar (BS) and white blood cell count (WBC) on admission and serum CPK every four hour until the 36th hour, have been determined. Oral glucose tolerance test (OGTT) has been performed at least one week later, when FBS has been determined. In 16 patients with normal OGTT the test has been repeated twice, 4 to 15 months later, before and after a cortisone load. Data have been statistically computed. Mean blood sugar on admission was significantly higher then mean FBS. No correlation was found between BS and WBC neither between BS and maximal CPK. No significant difference has been found between the mean BS on admission among 25 patients with normal OGTT and the one among the remaining 25 patients with abnormal OGTT. The OGTT was confirmed to be normal in the 16 patients belonging to the former group, who had the test repeated, with a single exception as far as the cortisone-OGTT is concerned. The above results are consistent with the opinion that the hyperglycemia usually observed during the first hours of AMI, is related to the acute medical stress and in no way indicates subclinical and/or latent diabetes.
G Ital Cardiol 1977
PMID:[Hyperglycemia in acute myocardial infarction (author's transl)]. 92 58

The relation between mode of therapy and mortality rate and incidence of primary ventricular fibrillation was studied in 265 patients with diabetes mellitus and acute myocardial infarction. Sixty patients were being treated with diet only, 54 were receiving insulin and 151 were taking oral hypoglycemic agents. Fourteen patients (5.3 percent) had primary ventricular fibrillation, and all but one died. No statistically significant association was found between the incidence of primary ventricular fibrillation and the type of treatment for diabetes mellitus. Sixty-four (24.2 percent) of the 265 patients died during hospitalization. Mortality was greater among diabetic patients receiving oral therapy. However, after adjusting for age and sex, the difference among these three treatment regimens did not reach the P less than 0.05 level of significance.
Am J Cardiol 1976 Jul
PMID:Diabetic treatment and primary ventricular fibrillation in acute myocardial infarction. 93 81


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