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Query: UMLS:C0020538 (hypertension)
 170,190 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Heart insufficiency, cardiomegaly and pathological changes of the ECG after exclusion of coronary heart disease, congenital or acquired vitia cordis and hypertension of the greater or lesser circulatory system result in the diagnosis cardiomyopathy with the liability of further differential-diagnostic demarcation. If causes of a secondary cardiomyopathy can be detected, a causal therapy is often possible, as to the remaining group of the idiopathic cardiomyopathies one must for the time being limit to an exclusively symptomatic treatment (protective therapy, limitation of the fluid supply, glycosides, diuretics, medicamentous and electric therapy of disturbances of the rhythm).
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PMID:[Cardiomypathies]. 12 20

A history of alcohol abuse associated with hypertension and chronic alcohol consumption is the leading cause of secondary cardiomyopathy. Both acute and chronic alcohol consumption precipitate arrhythmias. However moderate alcohol intake exerts a protective effect against coronary heart disease and stroke. Morbidity is lowest among light drinkers, slightly higher among lifelong abstainers and much higher among heavy drinkers. Magnesium deficiency is common among chronic alcoholics and frequent in Brazil. Magnesium therapy may have beneficial effects when there is excessive ethanol consumption.
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PMID:[Cardiovascular impact of alcoholism]. 748 61

Although a number of clinical and demographic factors have been associated with the performance of angiography in cardiac patients, clinical studies of idiopathic dilated cardiomyopathy (DCM) have often excluded patients who have not undergone coronary angiography to rule out coronary artery disease (CAD). To examine the impact of this diagnostic criterion on population-based studies of idiopathic DCM, we examined characteristics of probable cases of DCM who did or did not have a recorded history of angiography. The cases (n = 129) were ascertained from five medical centers in the Washington, DC metropolitan area over the period 1 July 1990 through 29 February 1992. All of these cases had evidence of ventricular dilation and hypokinesis, with a left ventricular ejection fraction of less than 40%. Cases with a history of known CAD, congenital heart disease, valvular heart disease, or secondary cardiomyopathy were excluded. Sixty-two (48%) of the cases had a recorded history of angiography. Age, educational level, diabetes, alcohol use, insurance status, and type of hospital were significantly associated with angiography in bivariate analysis (p < 0.05). Diabetes and hypertension were inversely associated with history of angiography among black cases, and positively associated with angiography among whites. In logistic regression analysis, age was the strongest independent predictor of angiography (p < 0.025). The associations with educational attainment and alcohol use were of borderline significance (p < 0.10). Thus, in epidemiologic studies of idiopathic DCM, particularly in biracial populations, the exclusion of cases who have not undergone angiography may bias risk estimates and result in the underestimation of incidence and prevalence.
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PMID:Predictors of coronary angiography in patients with idiopathic dilated cardiomyopathy: the Washington, DC Dilated Cardiomyopathy Study. 773 Aug 76