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PubMed2006

Screening children to identify families at increased risk for cardiovascular disease.

OBJECTIVES: Atherosclerotic cardiovascular disease is the leading cause of death in the United States. Atherosclerosis begins early in life; however, children and young and middle-aged adults are not universally screened for the presence of modifiable cardiovascular disease risk factors. The purpose of this study was to investigate whether cardiovascular disease risk-factor assessment in children can identify families who are at increased risk for cardiovascular disease. PARTICIPANTS AND METHODS: Family Strategies Concentrating on Risk Evaluation is a community-based participatory research study designed to stratify cardiovascular disease risk in a cohort of children and their parents. Eligible families, consisting of > or = 1 child and > or = 1 biological parent, are recruited through community and faith-based educational and screening programs. In a single, fasted study visit, participants undergo assessment of cardiovascular disease risk factors: obesity, hypertension, dyslipidemia, and metabolic syndrome. Associations of cardiovascular disease risk factors between children and their parents were assessed. RESULTS: Data were analyzed from 94 families: 108 parents (mean age: 38.5 +/- 7.5 years), 141 children (mean age: 10.5 +/- 3.4 years), and 170 child-parent pairs. Child-parent association was strong for many risk factors: BMI, waist circumference, systolic blood pressure, triglycerides, and total cholesterol. Several discrete-defined risk factors in children were found to be significant predictors of the presence of the same risk factors in their parents. Parents of children with hypertension, obesity, or hypertriglyceridemia had 15 times, 6 times, or 5 times increased odds, respectively, of having the same risk factors. CONCLUSIONS: Identification of several clinically apparent and silent cardiovascular disease risk factors in children predicts elevated cardiovascular disease risk in their parents. Because children access primary care more frequently than adults, children can potentially serve as the index case to identify families at increased risk for cardiovascular disease.

Adolescent↗
PubMed2005

Cardiovascular disease, risk factors and heart rate variability in the elderly general population: design and objectives of the CARdiovascular disease, Living and Ageing in Halle (CARLA) Study.

BACKGROUND: The increasing burden of cardiovascular diseases (CVD) in the ageing population of industrialized nations requires an intensive search for means of reducing this epidemic. In order to improve prevention, detection, therapy and prognosis of cardiovascular diseases on the population level in Eastern Germany, it is necessary to examine reasons for the East-West gradient of CVD morbidity and mortality, potential causal mechanisms and prognostic factors in the elderly. Psychosocial and nutritional factors have previously been discussed as possible causes for the unexplained part of the East-West gradient. A reduced heart rate variability appears to be associated with cardiovascular disease as well as with psychosocial and other cardiovascular risk factors and decreases with age. Nevertheless, there is a lack of population-based data to examine the role of heart rate variability and its interaction with psychosocial and nutritional factors regarding the effect on cardiovascular disease in the ageing population. There also is a paucity of epidemiological data describing the health situation in Eastern Germany. Therefore, we conduct a population-based study to examine the distribution of CVD, heart rate variability and CVD risk factors and their associations in an elderly East German population. This paper describes the design and objectives of the CARLA Study. METHODS/DESIGN: For this study, a random sample of 45-80 year-old inhabitants of the city of Halle (Saale) in Eastern Germany was drawn from the population registry. By the end of the baseline examination (2002-2005), 1750 study participants will have been examined. A multi-step recruitment strategy aims at achieving a 70% response rate. Detailed information is collected on own and family medical history, socioeconomic, psychosocial, behavioural and biomedical factors. Medical examinations include anthropometric measures, blood pressure of arm and ankle, a 10-second and a 20-minute electrocardiogram, a general physical examination, an echocardiogram, and laboratory analyses of venous blood samples. On 200 participants, a 24-hour electrocardiogram is recorded. A detailed system of quality control ensures high data quality. A follow-up examination is planned. DISCUSSION: This study will help to elucidate pathways to CVD involving autonomic dysfunction and lifestyle factors which might be responsible for the CVD epidemic in some populations.

Aged↗
PubMed2004

Preventing cancer, cardiovascular disease, and diabetes: a common agenda for the American Cancer Society, the American Diabetes Association, and the American Heart Association.

Collectively, cardiovascular disease (including stroke), cancer, and diabetes account for approximately two thirds of all deaths in the United States and about 700 billion dollars in direct and indirect economic costs each year. Current approaches to health promotion and prevention of cardiovascular disease, cancer, and diabetes do not approach the potential of the existing state of knowledge. A concerted effort to increase application of public health and clinical interventions of known efficacy to reduce prevalence of tobacco use, poor diet, and insufficient physical activity-the major risk factors for these diseases-and to increase utilization of screening tests for their early detection could substantially reduce the human and economic cost of these diseases. In this article, the ACS, ADA, and AHA review strategies for the prevention and early detection of cancer, cardiovascular disease, and diabetes, as the beginning of a new collaboration among the three organizations. The goal of this joint venture is to stimulate substantial improvements in primary prevention and early detection through collaboration between key organizations, greater public awareness about healthy lifestyles, legislative action that results in more funding for and access to primary prevention programs and research, and reconsideration of the concept of the periodic medical checkup as an effective platform for prevention, early detection, and treatment.

Cardiovascular Diseases↗
PubMed2004

Intensive lifestyle modification: impact on cardiovascular disease risk factors in subjects with and without clinical cardiovascular disease.

Intensive lifestyle modification programs are intended to stabilize or promote regression of coronary artery disease; however, clinical response is often nonuniform, complicating appropriate utilization of resources and prediction of outcome. This study assessed physiological and psychological benefits to 72 persons participating in a prospective, nonrandomized, four-component lifestyle change program and compared response between patients with clinical cardiovascular disease (CVD) and patients with elevated risk factors for CVD but without clinical manifestations of disease. Subjects entering the program due to elevated risk factor levels alone demonstrated equal or greater benefit, in terms of improvement in primary CVD risk factors and reduction in measures of coronary disease risk developed in the Framingham Heart Study, than those with clinical CVD. These findings suggest that intensive lifestyle change programs may be important for primary prevention in individuals at increased risk of CVD.

Adult↗
PubMed2025

Phenotypic and Genetic Associations Between Cardiovascular Disease Subtypes and Alzheimer's Disease.

BACKGROUND: Cardiovascular disease (CVD) and Alzheimer's disease (AD) are major public health concerns that share overlapping risk factors and potential mechanistic pathways. While vascular contributions to cognitive decline are well-documented, the specific relationships between AD and different CVD subtypes remain poorly understood. METHODS: We examined associations between AD and 11 CVD subtypes using logistic regression models in two large biobanks: the UK Biobank (n = 502,133) and the All of Us Research Program (n = 287,011). Models were adjusted for demographic, lifestyle, and clinical covariates. We also explored genetic overlap between AD and CVD traits through colocalization of significant single nucleotide polymorphisms (SNPs) (p < 5&#xd7;10-8) using genome-wide association study (GWAS) data. RESULTS: Most CVD subtypes were significantly associated with AD in both cohorts. Hypotension had the strongest and most consistent association, followed by hypertension and cerebral infarction. Acute myocardial infarction was the only subtype not significantly linked to AD. Genetic analyses revealed shared loci between AD and CVD-related traits, particularly in regions near APOE, MAPT, and genes influencing myocardial structure and vascular function. CONCLUSIONS: This study identifies subtype-specific CVD associations with AD across two diverse cohorts and highlights shared genetic architecture underlying heart-brain interactions. These findings underscore the importance of vascular health in AD risk and suggest that certain CVD subtypes, especially hypotension, may play underrecognized roles in cognitive decline.

Alzheimer&#x2019;s disease↗
PubMed2003

Alcohol and cardiovascular disease--more than one paradox to consider. Type of alcoholic beverage and cardiovascular disease--does it matter?

While a large number of studies have shown a U- or J-shaped relation between alcohol intake and cardiovascular disease, the question remains whether this risk function persists in all subsets of the population or derives from all types of alcoholic beverages. Recent large population studies have suggested that the effect of alcohol and cardiovascular disease and all cause mortality is modified by factors such as age, gender, cardiovascular risk factor status, drinking pattern and type of alcohol. The author reviews the studies indicating this effect modification, while focusing on the potential beverage specific differences. The review goes through several of the methodological issues in studying the effects of the different types of beverages on health, and gives some of the plausible biological mechanisms that might explain the differences, but stresses the different biases, which are the reasons why the issue is not settled yet.

Alcohol Drinking↗
PubMed1999

Association of serum uric acid with all-cause and cardiovascular disease mortality and incident myocardial infarction in the MONICA Augsburg cohort. World Health Organization Monitoring Trends and Determinants in Cardiovascular Diseases.

Because previous findings have been inconsistent, we explored the association of serum concentrations of uric acid with all-cause and cardiovascular disease mortality and myocardial infarction prospectively. We used data from 1,044 men who are members of the World Health Organization Monitoring Trends and Determinants in Cardiovascular Diseases (MONICA) Augsburg cohort. The men, 45-64 years of age in 1984-1985, were followed through 1992. There were 90 deaths, 44 of which were related to cardiovascular disease; 60 men developed incident nonfatal or fatal myocardial infarction. We estimated hazard rate ratios from Cox proportional hazard models. Uric acid levels > or =373 micromol/liter (fourth quartile) vs < or =319 micromol/liter (first and second quartile) independently predicted all-cause mortality [hazard rate ratio = 2.8; 95% confidence interval (CI) = 1.6-5.0] after adjustment for alcohol, total cholesterol/high-density lipoprotein cholesterol ratio, hypertension, use of diuretic drugs, smoking, body mass index, and education. The adjusted risk of cardiovascular disease mortality was 2.2 (95% CI = 1.0-4.8), and that of myocardial infarction was 1.7 (95% CI = 0.8-3.3). Although residual confounding cannot be excluded, our results are among the few, in men, demonstrating a strong positive association of elevated serum uric acid with all-cause mortality. Future investigations may be able to evaluate whether uric acid contributes independently to the development of cardiovascular disease or is simply a component of the atherogenic metabolic condition known as the insulin resistance syndrome.

Cardiovascular Diseases↗
PubMed1993

Cardiovascular disease mortality in the Americas.

Despite subregional differences, mortality profiles have undergone major changes in most countries of the Americas. While the proportion of deaths caused by noncommunicable diseases, particularly cardiovascular diseases, has increased, overall age-adjusted mortality rates attributable to all cardiovascular disease are declining in 13 of the 15 countries selected for the present study. About half the countries showed decreasing mortality rates for ischaemic heart disease; the other half had increasing rates. The mortality rates for cerebrovascular disease and hypertensive disease declined in all but four countries. The ischaemic heart disease/cerebrovascular disease mortality ratio increased as a consequence of a greater decline in deaths due to cerebrovascular disease, except in two countries that exhibited a greater decline for ischaemic heart disease. With few exceptions the male-to-female mortality ratios increased for all cardiovascular disease, ischaemic heart disease and cerebrovascular disease, reflecting a greater decline in female mortality. In general there was a decline in all cardiovascular disease mortality for almost every age group in the North American, Southern Cone, English-speaking Caribbean, and Andean subregions, while there were increases in the Central American and Latin Caribbean subregions. The magnitude of the changes was related to the initial level of mortality and the date of onset of the decline. Change began earlier and the declines were largest in the countries with the highest initial mortality levels, whereas in the countries that initially had comparatively low values the mortality rates are still increasing. Insufficient information is available to permit elucidation of the determinants of the changes reported. There has been speculation about the possible role of factors such as demographic and sociocultural changes, changes in lifestyle and subsequently in the prevalence of risk factors for cardiovascular disease, and the increased utilization of advanced diagnostic and therapeutic technologies.

Adolescent↗
PubMedDate not supplied

A population-based study on well-being in the very old: the role of cardiovascular diseases and drugs.

Cardiovascular diseases constitute the most common health problems in very old people. Consequently, cardiovascular drugs are the medicines that are most frequently used by elderly subjects. Although many studies have examined the physiological effect and adverse reactions of these drugs, knowledge on their effect on emotional well-being is missing. The present study aims to examine the association between cardiovascular diseases and their medical treatment on the emotional well-being of very old people. We investigated a representative group of elderly subjects gathered from a population-based study (n=235). Participants were 84 years or older and cognitively intact (mini-mental state examination (MMSE) > or =24 points). Well-being was assessed with the positive and negative affect schedule (PANAS), measuring different mood categories. Cardiovascular diseases were diagnosed following the International Classification of Diseases. In this population the prevalence of cardiovascular diseases was high (62%). Multivariate regression analysis showed that while being affected by a cardiovascular disease did not affect the emotional well-being of the subjects (PANAS-PA, p=0.171; PANAS-NA, p=0.209), the use of some cardiovascular drugs showed an association. Cardiac glycosides (p=0.006) and nitrates (p=0.008) were associated with increased negative feelings. Due to high prevalence of cardiovascular diseases and use of cardiovascular medicines, this finding has relevance on the quality of life of elderly people. However, due to the nature of this study we cannot assess cause-effect relationship of this positive association. Therefore, the present findings suggest that there is a need for clinical studies in this increasing and limited studied age group.

Aged↗
PubMed2006

Preventing cardiovascular disease in women.

Cardiovascular disease (CVD) has been the primary cause of death in women for almost a century, and more women than men have died of CVD every year since 1984. Although CVD incidence can be reduced by adherence to a heart-healthy lifestyle and detection and treatment of major risk factors, preventive recommendations have not been consistently or optimally applied to women. The American Heart Association guidelines for CVD prevention in women provide physicians with a clear plan for assessment and treatment of CVD risk and personalization of treatment recommendations. The emphasis of preventive efforts has shifted away from treatment of individual CVD risk factors in isolation toward assessment of a woman's overall or "global" CVD risk. In addition to accounting for the presence or absence of preexisting coronary heart disease or its equivalents (e.g., diabetes, chronic kidney disease), cardiovascular risk can be further calculated with the Framingham risk score, which is based on age, sex, smoking history, and lipid and blood pressure levels. Intervention intensity and treatment goals are tailored to overall risk, with those at highest risk receiving the most intense risk-lowering interventions. Women at high risk for CVD and without contraindications should receive aspirin, beta blockers, and an angiotensin-converting enzyme inhibitor or angiotensin receptor blocker in addition to pharmacologic therapy for hyperlipidemia, hypertension, and diabetes. Women who already are at optimal or low risk for CVD should be encouraged to maintain or further improve their healthy lifestyle practices. Optimal application of these preventive practices significantly reduces the burden of death and disability caused by heart attack and stroke in women.

Adult↗
PubMed2000

[Significance of matrix metalloproteinases in cardiovascular diseases].

The cardiovascular interstitial space is largely composed of type I and III fibrillar collagens. Tissue structure, form and function are determined not only by the collagen content but also by the ratio of different collagens to each other. Matrix metalloproteinases are members of a family of secreted and membrane-bound enzymes that are capable of degrading highly proteolytic resistant fibrillar type I and III collagens. Collagen tissue content is determined by balanced collagen synthesis and degradation. MMP activity and adverse tissue remodeling have been identified in coronary plaques in unstable angina. It has also been linked with the progression of aortic aneurysms and with left ventricular dilatation in congestive heart failure in patients with ischemic and non-ischemic cardiomyopathy. The role of MMPs in these cardiovascular diseases and possible therapeutic options are the focus of this review.

Animals↗
PubMedDate not supplied

Prevention of ventricular fibrillation, acute myocardial infarction (myocardial necrosis), heart failure, and mortality by bretylium: is ischemic heart disease primarily adrenergic cardiovascular disease?

It is widely, but mistakenly, believed that ischemic heart disease (IsHD) and its complications are the sole and direct result of reduced coronary blood flow by obstructive coronary artery disease (CAD). However, cardiac angina, acute myocardial infarction (AMI), and sudden cardiac death (SCD) occur in 15%-20% of patients with anatomically unobstructed and grossly normal coronaries. Moreover, severe obstructive coronary disease often occurs without associated pathologic myocardiopathy or prior symptoms, ie, unexpected sudden death, silent myocardial infarction, or the insidious appearance of congestive heart failure (CHF). The fact that catecholamines explosively augment oxidative metabolism much more than cardiac work is generally underappreciated. Thus, adrenergic actions alone are likely to be more prone to cause cardiac ischemia than reduced coronary blood flow per se. The autonomic etiology of IsHD raises contradictions to the traditional concept of anatomically obstructive CAD as the lone cause of cardiac ischemia and AMI. Actually, all the signs and symptoms of IsHD reflect autonomic nervous system imbalance, particularly adrenergic hyperactivity, which may by itself cause ischemia as in rest angina. Adrenergic activity causing ischemia signals cardiac pain to pain centers via sympathetic efferent pathways and tend to induce arrhythmogenic and necrotizing ischemic actions on the cardiovascular system. This may result in ischemia induced metabolic myocardiopathy not unlike that caused by anatomic or spasmogenic coronary obstruction. The clinical study and review presented herein suggest that adrenergic hyperactivity alone without CAD can be a primary cause of IsHD. Thus, adrenergic heart disease (AdHD), or actually adrenergic cardiovascular heart disease (ACVHD), appears to be a distinct entity, most commonly but not necessarily occurring in parallel with CAD. CAD certainly contributes to vulnerability as well as the progression of IsHD. This vicious cycle, which explains the frequent parallel occurrence of arteriosclerosis and IHD, an association that appears to be linked by the same cause, comprises a common vulnerability to deleterious adrenergic actions on the myocardium, lipid metabolism, and vascular system alike, rather than viewing CAD and IsHD as having a putative cause and effect relationship as commonly thought. Adrenergic actions can also cause the abnormal lipid metabolism that is associated with CAD and IsHD by catecholamine-induced metabolic actions on lipid mobilization by activation of phospholipases. This may also be part of toxic catecholamine hypermetabolic actions by enhancing deleterious cholesterol and lipid actions in damaging coronary vessels by plaque formation as well as inducing obstructive coronary spasm and platelet aggregation. This may also cause direct toxic necrosis on the myocardium as well as atherosclerosis in blood vessels. In fact, drugs that inhibit adrenergic actions like propranolol, reserpine, and guanethidine all inhibit arteriosclerosis induced by hypercholesterolemia in experimental animals and prevent carotid vascular disease (associated with stroke) in humans. The concomitant development of myocardiopathy and coronary vascular lesions or coronary and carotid artery intimal medial thickening by catecholamine toxicity is reflected by the frequent primary presentation of patients with catecholamine-secreting pheochromocytoma with cardiovascular disease, ie, hypertension arrhythmias, AMI, SCD, CHF, and vascular disease, which represents a clear example of the primary deleterious impact of catecholamines on the entire cardiovascular system causing adrenergic cardiovascular disease. Thus, like myocardiopathy, CAD and atherosclerosis in general may be the consequences of or a complication of catecholamine actions rather than its putative cause. This report shows how prophylactic bretylium not only prevents arrhythmias but prevents myocardial necrosis, shock, CHF, maintains or restores normal contractility, and lowers mortality in AMI patients by inducing adrenergic blockade.

Anti-Arrhythmia Agents↗
PubMed1996

Reliability of data from proxy respondents in an international case-control study of cardiovascular disease and oral contraceptives. World Health Organization Collaborative Study of Cardiovascular Disease and Steroid Hormone Contraception.

STUDY OBJECTIVES: To evaluate the reliability of data supplied in a case-control study by proxy respondents for cases who were too ill to do so themselves. DESIGN: A hospital based, case-control study of the current use of oral contraceptives (OC) and cardiovascular diseases. Data from "true" controls matched to a subset of cases were compared with those supplied by proxy respondents about the true controls. SETTING: Hospitals in 21 centres from Africa, Asia, Europe, and Latin America. PATIENTS AND PARTICIPANTS: For a subset of cases, 403 pairs of controls-one "true" and one proxy-were interviewed. "True" controls were matched by age, place, and time of admission and were admitted with 1 of 27 permissible diagnoses not associated with OC use. Proxy controls were either relatives or friends of true controls. MAIN RESULTS: Levels of concordance between data from proxy and true controls were high for most variables regarding recent events, including current OC use, but were greatly diminished when detailed information, particularly from the past, was required. Husbands were usually the best proxy, although this was question-specific. The sensitivity and specificity of proxy responses were 93% (95% confidence intervals: 77%, 99%) and 100% (98%, 100%) respectively, for current use of OC. Assuming the misclassification of current OC use by proxy cases is similar to that produced by proxy controls, the estimated impact of using proxy data on risk estimates associated with current OC use was to bias the overall estimate of risk of stroke by less than 3% and the risks of both acute myocardial infarction and venous thromboembolism by less than 1%. CONCLUSIONS: Friends or relatives, and particularly husbands, provided reliable information when used as proxy respondents for young women. The estimated impact of misclassification by proxy respondents on overall risk estimates in the WHO collaborative study was less than that which would have arisen if information from proxy respondents had not been used.

Adult↗
PubMed2004

Association between urinary albumin excretion and serum dehydroepiandrosterone sulfate concentration in male patients with type 2 diabetes: a possible link between urinary albumin excretion and cardiovascular disease.

OBJECTIVE: Cardiovascular disease (CVD) is the leading cause of mortality and morbidity in patients with type 2 diabetes. Both elevated urinary albumin excretion and low serum concentrations of dehydroepiandrosterone (DHEA) are associated with increased CVD mortality. This raises the possibility of DHEA as a causal intermediate linking urinary albumin excretion to CVD. RESEARCH DESIGN AND METHODS: Relationships of urinary albumin excretion to serum DHEA sulfate (DHEA-S) concentration and to major cardiovascular risk factors, including blood pressure, serum lipid concentration, glycemic control (HbA1c), and BMI, were investigated in 357 consecutive men with type 2 diabetes. RESULTS: Serum DHEA-S concentrations were lower in patients with macroalbuminuria (866.5 +/- 523.8 ng/ml, P <0.0001) and in those with microalbuminuria (1,014.4 +/- 525.3 ng/ml, P=0.0006) than in patients with normoalbuminuria (1,232.6 +/- 542.4 ng/ml). Serum DHEA-S concentration correlated inversely with log (urinary albumin excretion) (r=-0.227, P <0.0001). Multiple regression analysis demonstrated that duration of diabetes (beta=0.147, P=0.0075), HbA1c (beta=0.156, P=0.0048), BMI (beta=0.194, P=0.0007), systolic blood pressure (beta=0.195, P=0.0005), and serum DHEA-S concentration (beta=-0.192, P=0.0010) were independent determinants of log (urinary albumin excretion). CONCLUSIONS: Serum DHEA-S concentration, which correlated inversely with degree of urinary albumin excretion, may contribute to the link between elevated urinary albumin excretion and higher CVD mortality in male patients with type 2 diabetes.

Age of Onset↗