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PubMed1985

Intervention on cardiovascular disease risk factors in Finnmark county: changes after a period of three years. The Cardiovascular Disease Study in Finnmark County, Norway.

In Finnmark county in Norway, 12 329 males and females aged 20-49 years participated in two screening examinations with an interval of 3 years. The primary health service attempted, without receiving any extra resources, to reduce the risk of cardiovascular disease by means of a personal intervention programme among high-risk individuals and a health education programme directed at all residents in the county. During these 3 years the serum total-cholesterol (cross-sectionally) level decreased on average by about 0.3 mmol/l due to: firstly, a decrease among persons recommended a follow-up examination and secondly a decrease among household members of persons followed-up. The effect of a recommendation to attend a follow-up examination because of high blood pressure was doubtful. Cigarette consumption (cross-sectionally) decreased 12% for males and 4% for females. The joint decrease (improvement) in risk factors indicates a possible health benefit of about 20%, calculated in terms of myocardial infarction over 10 years.

Adult↗
PubMed2000

Daytime sleepiness predicts mortality and cardiovascular disease in older adults. The Cardiovascular Health Study Research Group.

INTRODUCTION: As part of the baseline examination in the Cardiovascular Health Study, sleep disturbance symptoms including snoring and daytime sleepiness, were assessed as potential risk factors or precipitants of cardiovascular disease (CVD). Because of the association of sleep disturbance with poorer health and the possible associations of sleep apnea with CVD, we hypothesized that those with poorer sleep or daytime sleepiness may be at increased risk of mortality or incident CVD. SETTING: Participants (n = 5888) were recruited in 1989, with an additional minority cohort recruited in 1993, in four US communities for a cohort study designed to evaluate risk factors for cardiovascular disease. METHODS: An interview-administered questionnaire regarding health and sleep habits with ongoing ascertainment of total mortality and cardiovascular disease morbidity and mortality, including total CVD morbidity and mortality, incident myocardial infarction, and congestive heart failure. RESULTS: Daytime sleepiness was the only sleep symptom that was significantly associated with mortality in both men and women. The unadjusted hazard ratio was 2.12 (1.66, 2.72) in women and 1.40 (1.12, 1.73) in men. Men who reported difficulty falling asleep also had an increased mortality rate (HR = 1.43 (1.14, 1.80)) which was not seen in women. The risks were attenuated with adjustment for age but remained significant for daytime sleepiness in women (HR = 1.82 (1.42, 2.34)) and for difficulty falling asleep in men. (HR = 1.29 (1.03, 1.63)). Frequent awakenings, early morning awakening, and snoring were not associated with a significantly increased risk of mortality in these older men and women. Crude event rates were evaluated for total incident cardiovascular morbidity and mortality, incident myocardial infarction, and incident congestive heart failure (CHF). Incident CVD rates were higher in both men and women with daytime sleepiness. The aged adjusted HR was 1.35 (95% CI = 1.03, 1.76) in men and was 1.66 (95% CI = 1.28, 2.16) in women. Incident CVD was not higher in those with any other sleep disturbance including snoring. The risk of CVD events associated with daytime sleepiness was attenuated but remained significant in women after adjustment for age. Incident myocardial infarction (MI) rates were also higher in women with daytime sleepiness but were not significantly higher in men. Incident CHF rates were increased in both men and women with daytime sleepiness. In men, the age adjusted HR was 1.49 (95% CI, 1.12- 1.98) and in women, was 2.21 (95% CI, 1.64-2.98). Women reporting both daytime sleepiness and frequent awakening had a hazard ratio of 2.34 (95% CI, 1.66-3.29) for incident CHF compared with those with daytime sleepiness but without frequent awakening. This interaction was not found in men. CONCLUSIONS: In this study, daytime sleepiness was the only sleep disturbance symptom that was associated with mortality, incident CVD morbidity and mortality, MI, and CHF. These findings were stronger in women than men, i.e., the associations persisted for mortality, CVD, and CHF in women after adjustment for age and other factors. Thus, a report of daytime sleepiness identifies older adults at increased risk for total and cardiovascular mortality, and is an independent risk factor in women.

Age Factors↗
PubMed1996

Changing prevalence of coronary heart disease risk factors and cardiovascular diseases in men of a rural area of Crete from 1960 to 1991.

This study compares the prevalence of coronary heart disease (CHD), risk factors (RF), and cardiovascular diseases (CVD) among Cretan men from a rural area examined in 1960 and 1991. The study population consisted of 148 men in 1960 and 42 men in 1991 of the same age group (fifty-five to fifty-nine years old) and from the same rural area. All men had a complete examination of the cardiovascular system and a resting electrocardiogram (ECG). Systolic BP (SBP) > or = 140 mmHg was found in 42.6% of the subjects in 1960 and in 45.2% in 1991 (NS). Diastolic BP > or = 95 mmHG was found in 14.9% of the subjects in 1960 as opposed to 33.3% in 1991 (P < 0.02). Total serum cholesterol (TSCH) > or = 260 mg/dL approximately 6.7 mmol/L) was found in 12.8% of the subjects in 1960 and in 28.6% in 1991 (P < 0.01). Heavy smokers ( > or = 20 cigarettes/daily) were 27.0% in 1960 as compared with 35.7% in 1991 (:NS); 5.4% of the subjects in 1960 had light physical activity (PA) as compared with 14.3% in 1991 (P < 0.01); 74.7% of the subjects were farmers in 1960 as compared with 43.6% in 1991 (P < 0.1). The prevalence of CHD was 0.7% in 1960 as compared with 9.5% in 1991 (P < 0.001). Hypertensive heart disease was found in 3.4% of the subjects in 1960 and 4.8% in 1991 (NS). The prevalence of all major CVD was much higher in 1991 (19.1%) as compared with 1960 (8.8%) (P < 0.01). In conclusion, the prevalence of CHD RF and CVD was much higher in 1991 than in 1960 for Cretan men of the same age group. This higher prevalence seems to be related to dietary and life-style changes that have taken place in Crete during the last thirty years.

Cardiovascular Diseases↗
PubMed1999

A multilocus genotyping assay for candidate markers of cardiovascular disease risk.

A number of chronic diseases, including cardiovascular disease, appear to have a multifactorial genetic risk component. Consequently, techniques are needed to facilitate evaluation of complex genetic risk factors in large cohorts. We have designed a prototype assay for genotyping a panel of 35 biallelic sites that represent variation within 15 genes from biochemical pathways implicated in the development and progression of cardiovascular disease. Each DNA sample is amplified using two multiplex polymerase chain reactions, and the alleles are genotyped simultaneously using an array of immobilized, sequence-specific oligonucleotide probes. This multilocus assay was applied to two types of cohorts. Population frequencies for the markers were estimated using 496 unrelated individuals from a family-based cohort, and the observed values were consistent with previous reports. Linkage disequilibrium between consecutive pairs of markers within the apoCIII, LPL, and ELAM genes was also estimated. A preliminary analysis of single and pairwise locus associations with severity of atherosclerosis was performed using a composite cohort of 142 individuals for whom quantitative angiography data were available; evaluation of the potentially interesting associations observed will require analysis of an independent and larger cohort. This assay format provides a research tool for studies of multilocus genetic risk factors in large cardiovascular disease cohorts, and for the subsequent development of diagnostic tests.

Adult↗
PubMed2003

Mental health issues associated with cardiovascular disease in women.

Cardiovascular disease is the leading cause of death in women and men. However, cardiovascular disease and its treatment affect women differently. Much data is emerging regarding the role that mood and anxiety disorders play in the development and prognosis of cardiovascular disease. Pharmacologic treatment of psychiatric disorders can also have direct cardiac effects. The good news is that many more studies are exploring this. However, further research is clearly needed, especially in the area of reproductive hormones and their impact on cardiac disease.

Angioplasty, Balloon↗
PubMed2002

Serological investigation of Bartonella henselae infections in clinically cat-scratch disease-suspected patients, patients with cardiovascular diseases, and healthy veterinary students in Japan.

Seroprevalence of Bartonella henselae was investigated in Japan in 48 individuals clinically suspected of having cat-scratch disease (CSD), 159 patients with cardiovascular diseases, and 129 healthy veterinary students. Of 48 CSD-suspected patients examined, 19 (39.6%) were positive for B. henselae-IgG and 4 (8.3%) for B. henselae-IgM. Of 159 patients with cardiovascular diseases, 5 (3.1%) were positive for B. henselae-IgG. In healthy veterinary students, 14 of 129 (10.9%) were positive for B. henselae-IgG and 1 (0.8%) for B. henselae-IgM. The positive rates of B. henselae-IgG and -IgM in CSD-suspected patients were significantly higher than in other sources. Most CSD-suspected and healthy individuals who were positive for B. henselae antibody had had some contacts with cats. In CSD-suspected patients, the B. henselae positive rate in females was significantly higher than in males, and high seropositive rates to B. henselae were found in younger age groups.

Adolescent↗
PubMed2000

[Genetic diagnosis and cardiovascular diseases].

Many of cardiovascular diseases are multifactorial and both environmental and genetic factors are associated with their onset and/or progression. Recently, the development of genetic analysis has enabled us to understand genetic backgrounds regulating the susceptibility to the specific environmental factors. These progress may bring us new strategies for diagnosis and/or prevention of diseases. In this review, we mainly discuss the current knowledge of these genetic analysis and perspectives in cardiovascular diseases. We also present briefly genetic mutations in cardiomyopathy, long QT syndrome, congenital cardiovascular diseases and so on. Additionally, we describe considerable problems about the interpretation and notification of the results of genetic diagnosis.

Blood Coagulation Factors↗
PubMed2001

Periodontal disease and risk of subsequent cardiovascular disease in U.S. male physicians.

OBJECTIVES: We sought to prospectively assess whether self-reported periodontal disease is associated with subsequent risk of cardiovascular disease in a large population of male physicians. BACKGROUND: Periodontal disease, the result of a complex interplay of bacterial infection and chronic inflammation, has been suggested to be a predictor of cardiovascular disease. METHODS: Physicians' Health Study I was a randomized, double-blind, placebo-controlled trial of aspirin and beta-carotene in 22,071 U.S. male physicians. A total of 22,037 physicians provided self-reports of presence or absence of periodontal disease at study entry and were included in this analysis. RESULTS: A total of 2,653 physicians reported a personal history of periodontal disease at baseline. During an average of 12.3 years of follow-up, there were 797 nonfatal myocardial infarctions, 631 nonfatal strokes and 614 cardiovascular deaths. Thus, for each end point, the study had >90% power to detect a clinically important increased risk of 50%. In Cox proportional hazards regression analysis adjusted for age and treatment assignment, physicians who reported periodontal disease at baseline had slightly elevated, but statistically nonsignificant, relative risks (RR) of nonfatal myocardial infarction, (RR, 1.12; 95% confidence interval [CI], 0.92 to 1.36), nonfatal stroke (RR, 1.10; CI, 0.88 to 1.37) and cardiovascular death (RR, 1.20; CI, 0.97 to 1.49). Relative risk for a combined end point of all important cardiovascular events (first occurrence of nonfatal myocardial infarction, nonfatal stroke or cardiovascular death) was 1.13 (CI, 0.99 to 1.28). After adjustment for other cardiovascular risk factors, RRs were all attenuated and nonsignificant. CONCLUSIONS: These prospective data suggest that self-reported periodontal disease is not an independent predictor of subsequent cardiovascular disease in middle-aged to elderly men.

Adult↗
PubMed1997

Immunologic aspects of vasculitis and cardiovascular disease.

The immunologic cardiovascular diseases are a heterogeneous group of conditions. Many of these entities are associated with serious morbidity and mortality resulting from cardiac impairment, ischemic complications, or organ dysfunction, particularly of the kidneys, lung, and nervous system. The systemic nature of these conditions, coupled with vague symptoms and nonspecific initial physical findings, makes the differential diagnosis complicated. Research has identified specific mediators and primary origins in some conditions, with infections often being responsible. Immunosuppressive therapy, despite the potential complications, has improved the prognosis of some of the more serious immunologic cardiovascular diseases. Improvement in the treatment of immunologic cardiovascular diseases awaits identification of additional causes, improved definition of host factors that predispose an individual to develop these conditions, and better understanding of the immune dysregulation responsible for the progression of disease. The potential pathophysiologic role of immunologic mechanisms in common disorders such as congestive heart failure and atherosclerosis is intriguing and offers the possibility of novel therapies in these prevalent conditions.

Cardiovascular Diseases↗
PubMed2004

Endothelium-targeted gene and cell-based therapies for cardiovascular disease.

Most common cardiovascular diseases are accompanied by endothelial dysfunction. Because of its predominant role in the pathogenesis of cardiovascular disease, the vascular endothelium is an attractive therapeutic target. The identification of promoter sequences capable of rendering endothelial-specific transgene expression together with the recent development of vectors with enhanced tropism for endothelium may offer opportunities for the design of new strategies for modulation of endothelial function. Such strategies may be useful in the treatment of chronic diseases such as hypertension, atherosclerosis, and ischemic artery disease, as well as in acute myocardial infarction and during open heart surgery for prevention of ischemia and reperfusion (I/R)-induced injury. The recent identification of putative endothelial progenitor cells in peripheral blood may allow the design of autologous cell-based strategies for neovascularization of ischemic tissues and for the repair of injured blood vessels and bioengineering of vascular prosthesis. "Proof-of-concept" for some of these strategies has been established in animal models of cardiovascular disease. However the successful translation of these novel strategies into clinical application will require further developments in vector and delivery technologies. Further characterization of the processes involved in mobilization, migration, homing, and incorporation of endothelial progenitor cells into the target tissues is necessary, and the optimal conditions for therapeutic application of these cells need to be defined and standardized.

Animals↗
PubMed2005

Dementia and Alzheimer's disease incidence in relationship to cardiovascular disease in the Cardiovascular Health Study cohort.

OBJECTIVES: To determine whether coronary artery disease, peripheral arterial disease (PAD), or noninvasive markers of cardiovascular disease (CVD) predict the onset of dementia and Alzheimer's disease (AD). DESIGN: Longitudinal cohort study. SETTING: Four U.S. communities. PARTICIPANTS: Men and women (N=3,602) with a brain magnetic resonance imaging (MRI) scan but no dementia were followed for 5.4 years. Participants with stroke were excluded. MEASUREMENTS: Neurologists and psychiatrists classified incident cases of dementia and subtype using neuropsychological tests, examination, medical records and informant interviews. CVD was defined at the time of the MRI scan. Noninvasive tests of CVD were assessed within 1 year of the MRI. Apolipoprotein E allele status, age, race, sex, education, Mini-Mental State Examination score, and income were assessed as potential confounders. RESULTS: The incidence of dementia was higher in those with prevalent CVD, particularly in the subgroup with PAD. The rate of AD was 34.4 per 1,000 person-years for those with a history of CVD, versus 22.2 per 1,000 person-years without a history of CVD (adjusted hazard ratio (HR)=1.3, 95% confidence interval (CI)=1.0-1.7). Rates of AD were highest in those with PAD (57.4 vs 23.7 per 100 person-years, adjusted HR=2.4, 95% CI=1.4-4.2). Results were similar with further exclusion of those with vascular dementia from the AD group. A gradient of increasing risk was noted with the extent of vascular disease. CONCLUSION: Older adults with CVD other than stroke had a higher risk of dementia and AD than did those without CVD. The risk was highest in people with PAD, suggesting that extensive peripheral atherosclerosis is a risk factor for AD.

Aged↗