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PubMed2001

Implications from and for food cultures for cardiovascular disease: diet, nutrition and cardiovascular diseases in China.

The change of lifestyle of Chinese people, along with the development of the national economy, has caused significant changes of the disease pattern in China. This includes the shift from predominantly communicable diseases to non-communicable diseases, such as cancer, cardiovascular disease, diabetes and obesity. This paper summarises epidemiology research results on the relationship between diet, nutrition and cardiovascular diseases (CVD) available in China. Most data used in this paper are from correlation studies. While the information is very useful in generating hypotheses on dietary and nutritional risk factors for CVD, both prospective studies and population-based intervention trials are needed to further verify these hypotheses. The information in this review clearly shows that diet and nutrition play important roles in the occurrence of CVD and hypertension in the Chinese population. Therefore, dietary means should be an important part of the strategies for the control of CVD and hypertension in China.

Cardiovascular Diseases↗
PubMed1995

Regional differences in cardiovascular risk factor prevalence in Tasmania: are they consistent with the increased cardiovascular mortality?

BACKGROUND: The death rate from cardiovascular disease in Tasmania has been among the highest in Australian States for a number of years. The North-West (NW) and Northern regions of Tasmania account for most of the increased mortality. AIMS: To determine the prevalence of cardiovascular risk factors in the North and NW regions of Tasmania and to ascertain whether any differences are consistent with the regional patterns of mortality for ischaemic heart disease (IHD) within the State. METHODS: The design of the study was almost identical to the previous National Heart Foundation (NHF) Risk Factor Prevalence Survey conducted in 1989. The subjects, aged 20-69 years, were randomly selected from the Electoral Roll with 1146 subjects participating in the North and 1219 in the NW. Subjects answered a detailed questionnaire and then underwent a brief physical examination with venipuncture for blood lipids. Hobart data from the NHF Risk Factor Prevalence Survey in 1989 were used as an estimate of risk factor prevalence in the Southern region. RESULTS: In both males and females, mean systolic blood pressure was significantly higher in the NW than the South which was in turn higher than the North. Mean serum cholesterol levels in males were higher in the NW than the North. Smoking behaviour was similar in males and females in all regions. Males and females in the NW and North were more inactive than those in the South. Similar proportions in all regions were on either 'no specific' or 'fat modified' diets. Body mass index in males and females was higher in the NW and North but waist to hip ratios failed to show a consistent trend. CONCLUSIONS: While the NW has an unfavourable risk factor profile compared with the South, the North does not. The risk factor data are broadly consistent with, but unlikely to be sufficient to explain fully, the regional differences in mortality from IHD.

Adult↗
PubMed1993

Age-related trends in cardiovascular morbidity and physical functioning in the elderly: the Cardiovascular Health Study.

OBJECTIVE: To describe relationships between age and sub-clinical cardiovascular disease, manifest chronic disease, and physical functioning and limitations among persons aged 65 years and older, with emphasis on the "oldest old," those 85 years and older. DESIGN: Observational population-based study. SETTING: Four U.S. communities: Forsyth County, North Carolina; Sacramento County, California; Washington County, Maryland; and Pittsburgh, Pennsylvania. PARTICIPANTS: 5,201 men and women aged 65 years and older. MEASUREMENTS: Demographic data; histories of cardiovascular disease (CVD), chronic lung disease, arthritis, diabetes, and hypertension; measures of subclinical disease including arm and ankle blood pressures, internal carotid wall thickness and stenosis, ejection fraction, left ventricular mass, fractional shortening, and diastolic function, electrocardiographic left ventricular hypertrophy and cardiac injury score, forced expiratory flow and volume; functional status including self-reported physical functioning, hearing and sight limitations and health status, and performance-based measures of function. These variables were examined among men and women in three age groups: 65-74 years, 75-84 years, and 85 + years. Subgroups of participants with and without manifest CVD were also examined. MAIN RESULTS: In women, the prevalence of CVD and other chronic conditions increased with age, and the highest rates occurred among those 85 years and older. In men, prevalence rates increased between the two younger groups, but the oldest group had lower than expected rates for coronary heart disease, cerebrovascular disease, hypertension, and chronic lung disease. In contrast, there were strong age-related linear trends in most of the subclinical measures of blood pressure, atherosclerosis and pulmonary function and in virtually all measures of functional status in both gender groups across the age range. There was a particularly marked decline in functional status between the two older age groups. While subclinical disease was greater and functional status was poorer among those with manifest CVD, with few exceptions, age-related trends were not significantly different between the two groups. CONCLUSIONS: Lower than expected prevalence rates of CVD among those aged 85 years and older, particularly among men, in this study of community-dwelling elderly may represent selection bias or a real plateauing in disease prevalence with age. However, subclinical disease appears to increase and functional status to decline across the age range in both men and women regardless of the presence of CVD. The apparent increase in subclinical disease with age indicates potential for CVD prevention after age 65.

Activities of Daily Living↗
PubMed2006

Metabolic syndrome and cardiovascular disease in older people: The cardiovascular health study.

OBJECTIVES: To assess the prospective association between metabolic syndrome (MetS) and cardiovascular disease (CVD) in older people and to evaluate the effect of lowering the threshold for impaired fasting glucose (IFG) on the prevalence of IFG and MetS and the risk of CVD. DESIGN: Prospective cohort study. SETTING: Four field centers in U.S. communities. PARTICIPANTS: Three thousand five hundred eighty-five subjects in the Cardiovascular Health Study free of diabetes mellitus and CVD at baseline (mean age 72, 62% female, 14% black). MEASUREMENTS: Baseline measures of MetS components and adjudicated incident CVD events. MetS (2001) was defined first using the original criteria from the Third Adult Treatment Panel Report of the National Cholesterol Education Program (> or =3 of the following: large waist circumference (women >88 cm, men >102 cm), elevated triglycerides (> or =1.70 mmol/L), low high-density lipoprotein cholesterol (men <1.04 mmol/L, women <1.30 mmol/L), elevated fasting glucose (6.1-6.9 mmol/L), and high blood pressure (> or =130/85 mmHg or self-reported use of medications for hypertension). Subjects were also classified according to the revised definition of the MetS (2005) that applies the lower threshold for fasting glucose (5.6-6.9 mmol/L). RESULTS: During follow-up (median 11 years), 818 coronary heart disease (CHD), 401 stroke, and 554 congestive heart failure (CHF) events occurred. Age- and race-adjusted hazard ratios (HRs) for CHD, stroke, and CHF were 1.30 (95% confidence interval (CI) = 1.07-1.57), 0.94 (95% CI = 0.73-1.21), and 1.40 (95% CI = 1.12-1.76) for women and 1.35 (95% CI = 1.10-1.66), 1.51 (95% CI = 1.08-2.12), and 1.47 (95% CI = 1.14-1.90) for men, respectively. Overall, women and men with MetS (2005) were 20% to 30% more likely to experience any CVD event than subjects without MetS (2005). Using the lower cut-point for IFG resulted in a near tripling in IFG prevalence (16% to 46%) and an additional 9% classified with MetS (2005) but HRs similar to those estimated from the original MetS (2001) criteria. High blood pressure was the component most strongly associated with incident CHD. CONCLUSION: Results from this study of an elderly, population-based cohort provide support for earlier investigations in primarily middle-aged populations that link the presence of MetS with the development of CVD and further underscore the importance of recognizing and treating its individual components, particularly high blood pressure.

Black or African American↗
PubMed2005

Socioeconomic position in childhood and adult cardiovascular risk factors, vascular structure, and function: cardiovascular risk in young Finns study.

OBJECTIVE: To examine the association of childhood socioeconomic position (SEP) with adult cardiovascular risk factors, vascular structure, and vascular function in a contemporary population of young adults. DESIGN: Population based prospective cohort study with baseline assessment in 1980. SETTING: Finland. PARTICIPANTS: 856 men and 1066 women whose childhood SEP was determined by parental occupational status (manual, lower non-manual, upper non-manual) at age 3-18 years. MAIN OUTCOME MEASURES: Cardiovascular risk factors, carotid artery intima-media thickness, and brachial artery flow mediated vasodilatation, assessed at age 24-39 years. RESULTS: After adjustment for age and adult SEP, systolic pressure was 2.3 mm Hg higher (p = 0.0002), high density lipoprotein (HDL) cholesterol 0.03 mmol/l lower (p = 0.02), and insulin resistance score (homeostasis model assessment index) 0.12 units greater (p = 0.05) among men; and systolic pressure was 1.3 mm Hg higher (p = 0.02), diastolic pressure 1.1 mm Hg higher (p = 0.01), and height 1.1 cm lower (p < 0.0001) among women for each step down the childhood SEP hierarchy. Lower childhood SEP was associated with a 20% increase in the odds of having a waist circumference > 102 cm in men and > 88 cm in women (overall p = 0.05). Childhood SEP was not associated with intima-media thickness, flow mediated vasodilatation, the metabolic syndrome, low density lipoprotein cholesterol, triglycerides, body mass index, alcohol consumption, or smoking. CONCLUSIONS: Among adults under 40, low childhood SEP predicted higher blood pressure and central obesity and, among men, unfavourable HDL cholesterol and insulin resistance, independent of current SEP. No independent effects were found on adult vascular structure, vascular function, or health related behaviours at this life stage.

Adolescent↗
PubMed2005

Prevention of cardiovascular diseases: focus on modifiable cardiovascular risk.

OBJECTIVE: To determine whether the use of a 20% absolute risk threshold for cardiovascular disease as recommended in current guidelines leads to exclusion of patients with a substantial modifiable risk (> or = 5%). METHODS: Data collected within the framework of a randomised controlled trial in three primary health care centres located in deprived neighbourhoods were analysed. The 10 year absolute risk and the modifiable part of risk were calculated by using the Framingham risk equation. Among patients with a modifiable risk reduction of > or = 5% (number needed to treat < or = 20) the characteristics and risk factors of patients with an absolute risk > or = 20% and those with an absolute risk < 20% were compared. RESULTS: 293 patients aged 30-70 years at risk of developing cardiovascular disease were included, of whom 66% were women and 36% were of Dutch origin. Of all patients, 33% had an absolute risk > or = 20% and 61% had a modifiable risk > or = 5%. Of those at > or = 20% absolute risk, a vast majority (98%) had a modifiable risk > or = 5%. Among those with an absolute risk < 20%, 43% had a modifiable risk > or = 5%; this group, who were relatively young and predominantly women, constituted 29% of the entire study population. CONCLUSIONS: Targeting preventive strategies at a 10 year absolute risk > or = 20% leads to exclusion of a large group of relatively young, predominantly female patients. In total, about one quarter had an absolute risk < 20% but a modifiable risk > or = 5% and should therefore benefit from intervention.

Adult↗
PubMed2006

Deprivation and trends in blood pressure, cholesterol, body mass index and smoking among participants of a UK primary care-based cardiovascular risk factor screening programme: both narrowing and widening in cardiovascular risk factor inequalities.

OBJECTIVES: To examine recent time trends in blood pressure (BP), total cholesterol, body mass index (BMI) and current smoking among people in the UK of different deprivation groups. DESIGN: Repeatable survey. SETTING: Primary care-based UK cardiovascular risk factor screening programme (58 Stockport general practices). PARTICIPANTS: 37,161 women and 33,977 men aged 35-60 years responding to a screening invitation and with a first screening episode during 1989-99. RESULTS: There were significant decreasing trends in total cholesterol (-0.06 mmol/l/year, 95% confidence interval (CI) -0.07 to -0.06 for women, -0.07 mmol/l/year, 95% CI -0.07 to -0.06 for men), with a significantly faster drop in more deprived groups (-0.005 mmol/year/increasing deprivation group, 95% CI -0.01 to -0.001 for both sexes). There were decreasing trends in current smoking prevalence (odds ratio (OR) 0.97/year, 95% CI 0.96 to 0.97 for women, OR 0.96/year, 95% CI 0.95 to 0.96 for men) with a significantly slower drop in the more deprived groups (OR 1.01/year/increasing deprivation group, 95% CI 1.00 to 1.01 for both sexes). There were significant increasing trends in BMI (0.11 kg/m(2)/year in women, 95% CI 0.09 to 0.13, 0.10 kg/m(2)/year in men, 95% CI 0.08 to 0.11), with a significantly slower increase in the more deprived groups among men only (-0.02 kg/m(2)/year/increasing deprivation group, 95% CI -0.01 to -0.03). Inequality in BP narrowed among men but widened among women. CONCLUSION: Inequalities in risk factors between different deprivation groups may be both widening (smoking, BP in women) and narrowing (total cholesterol, BMI and BP in men). Given baseline inequalities in risk factors levels, these trends suggest that inequalities in cardiovascular disease are likely to persist in the future.

Adult↗
PubMedDate not supplied

Cognitive test performance and presence of subclinical cardiovascular disease in the cardiovascular health study.

The purpose of the present study was to investigate the relationship between performance on a comprehensive battery of neuropsychological tests and the presence of clinical, subclinical or no cardiovascular disease in an elderly community-dwelling population. The results confirm previous reports of significant associations of age, education and gender with test performance. When performance was examined controlling for these variables, significant associations of disease group were seen with five measures emphasizing speed of performance; Parts A and B of the Trail Making Test, the WAIS-R Digit Symbol and Block Design subtests and category verbal fluency. These results add to the evidence that, in addition to other health implications, cardiovascular disease is related to cognitive functioning in the elderly even at subclinical levels.

Aged↗
PubMed2006

Serum amyloid P and cardiovascular disease in older men and women: results from the Cardiovascular Health Study.

OBJECTIVE: Serum amyloid P (SAP), a pentraxin like C-reactive protein (CRP), functions in innate immunity. However, associations of SAP with cardiovascular disease (CVD) are unknown. METHODS AND RESULTS: We examined these associations in the Cardiovascular Health Study using a case-cohort design. Nonexclusive case groups were incident angina (n=523), myocardial infarction (MI; n=308), stroke (n=323), and CVD death (n=288). 786 participants had no events. SAP was correlated with CRP, CVD risk factors (obesity, blood pressure, lipids), common and internal carotid wall thickness, and ankle-brachial index (all P<0.02). In Cox regression models adjusted for age, sex, and ethnicity, a standard deviation increase in SAP (9.8 mg/L) was associated with angina (hazard ratio; 95% confidence interval 1.3; 1.2 to 1.5) and MI (1.3; 1.1 to 1.5), but not stroke (1.1; 0.9 to 1.3) or CVD death (1.1; 0.9 to 1.3). Adding CRP to the models had no significant effect on associations. Adjusting for CVD risk factors slightly attenuated SAP associations with CVD events; however, associations with angina and MI remained significant. CONCLUSIONS: Although both are pentraxins, SAP and CRP may represent different facets of inflammation. The association of SAP with CVD in these older adults further supports the role of innate immunity in atherosclerosis.

Aged↗
PubMed1995

Fibrinogen and factor VIII, but not factor VII, are associated with measures of subclinical cardiovascular disease in the elderly. Results from The Cardiovascular Health Study.

No studies have examined the associations of coagulation factor levels with measures of subclinical cardiovascular disease (CVD) in the elderly. The Cardiovascular Health Study (CHS) is a prospective, population-based cohort study of CVD in persons older than 65 years. At the baseline examination, we measured fibrinogen, factor VII, and factor VIII levels in 5024 of the 5201 participants of the CHS and examined the associations of these coagulation factors with measures of subclinical CVD in a cross-sectional analysis. Subclinical CVD measures were based on electrocardiography, carotid ultrasonography, echocardiography, and ankle-arm blood pressure measurements (AAI). For analyses, we used the full cohort as well as two mutually exclusive subgroups: those with prevalent clinical CVD at baseline and those without. Fibrinogen and to a lesser extent factor VIII showed positive associations with a variety of subclinical CVD measures. In age-adjusted analyses, fibrinogen and factor VIII were significantly associated with 8 of 10 measures. In multivariate analyses, fibrinogen was significantly associated with carotid artery stenosis, internal (but not common) carotid artery wall thickness, and AAI. Factor VIII was associated with abnormal wall motion and AAI in the full cohort only. Factor VII was not consistently associated with subclinical disease measures. In bivariate analyses that included data from all three groups, there were 5 positive subclinical disease associations and 5 negative associations for factor VII. In multivariate analyses, there were no significant associations between factor VII and subclinical CVD in the full cohort or in either subgroup. We conclude that in these cross-sectional analyses, fibrinogen and to a lesser extent factor VIII are associated with subclinical CVD in the elderly, even in those without symptoms or a history of clinical CVD. Factor VII, however, was not associated with subclinical CVD in the elderly.

Aged↗
PubMed1997

Relationship of C-reactive protein to risk of cardiovascular disease in the elderly. Results from the Cardiovascular Health Study and the Rural Health Promotion Project.

Markers of inflammation, such as C-reactive protein (CRP), are related to risk of cardiovascular disease (CVD) events in those with angina, but little is known about individuals without prevalent clinical CVD. We performed a prospective, nested case-control study in the Cardiovascular Health Study (CHS; 5201 healthy elderly men and women). Case subjects (n = 146 men and women with incident CVD events including angina, myocardial infarction, and death) and control subjects (n = 146) were matched on the basis of sex and the presence or absence of significant subclinical CVD at baseline (average follow-up, 2.4 years). In women but not men, the mean CRP level was higher for case subjects than for control subjects (P < or = .05). In general, CRP was higher in those with subclinical disease. Most of the association of CRP with female case subjects versus control subjects was in the subgroup with subclinical disease; 3.33 versus 1.90 mg/L, P < .05, adjusted for age and time of follow-up. Case-control differences were greatest when the time between baseline and the CVD event was shortest. The strongest associations were with myocardial infarction, and there was an overall odds ratio for incident myocardial infarction for men and women with subclinical disease (upper quartile versus lower three quartiles) of 2.67 (confidence interval [CI] = 1.04 to 6.81), with the relationship being stronger in women (4.50 [CI = 0.97 to 20.8]) than in men (1.75 [CI = 0.51 to 5.98]). We performed a similar study in the Rural Health Promotion Project, in which mean values of CRP were higher for female case subjects than for female control subjects, but no differences were apparent for men. Comparing the upper quintile with the lower four, the odds ratio for CVD case subjects was 2.7 (CI = 1.10 to 6.60). In conclusion, CRP was associated with incident events in the elderly, especially in those with subclinical disease at baseline.

Aged↗
PubMed1999

The relationship of fibrinogen and factors VII and VIII to incident cardiovascular disease and death in the elderly: results from the cardiovascular health study.

Little is known about the prospective associations of fibrinogen, factor VII, or factor VIII with cardiovascular disease (CVD) and mortality in the elderly. At baseline in the Cardiovascular Health Study (5888 white and African American men and women; aged >/=65 years), we measured fibrinogen, factor VIII, and factor VII. We used sex-stratified stepwise Cox survival analysis to determine relative risks (RRs) for CVD events and all-cause mortality (up to 5 years of follow-up), both unadjusted and adjusted for CVD risk factors and subclinical CVD. After adjustment, comparing the fifth quintile to the first, fibrinogen was significantly associated in men with coronary heart disease events (RR=2.1) and stroke or transient ischemic attack (RR=1.3), and also with mortality within 2.5 years of follow-up (RR=5.8) and later (RR=1.7). Factor VIII was significantly associated in men with coronary heart disease events (RR=1.5) and mortality (RR=1.8), and in women with stroke/transient ischemic attack (RR=1.4). For both factors, values were higher in those who died, whether causes were CVD-related or non-CVD-related, but highest in CVD death. Factor VII exhibited associations with incident angina (RR=1.44) in men and with death in women (RR, middle quintile compared with first=0.66). However, in general, factor VII was not consistently associated with CVD events in this population. We conclude that, if confirmed in other studies, the measurement of fibrinogen and/or factor VIII may help identify older individuals at higher risk for CVD events and mortality.

Aged↗
PubMed2004

Blood pressure and risk of secondary cardiovascular events in women: the Women's Antioxidant Cardiovascular Study (WACS).

BACKGROUND: In apparently healthy people, the relation between blood pressure and risk of subsequent cardiovascular disease (CVD) is linear. In persons with CVD, the relation is uncertain. METHODS AND RESULTS: We conducted a prospective study of 5218 older women with CVD who reported their blood pressure at baseline in the Women's Antioxidant Cardiovascular Study (WACS), an ongoing double-blind, placebo-controlled secondary prevention trial of the benefits and risks of antioxidant vitamins, folic acid, vitamin B6, and vitamin B12 among women with CVD or > or =3 coronary risk factors. A total of 661 confirmed CVD events (nonfatal myocardial infarction, nonfatal stroke, coronary artery bypass graft procedure, percutaneous coronary angioplasty, or CVD death) occurred during a median follow-up of 6.5 years. After controlling for age, randomized treatment assignment, antihypertensive medication use, and coronary risk factors, we found that systolic blood pressure (SBP) was a strong predictor of CVD events and that the relation between SBP and CVD risk was positive, continuous, and linear (P for linear trend=0.001). For each 10-mm Hg increment in SBP, there was a 9% (95% CI 4% to 15%) increase in risk of secondary CVD events. Diastolic blood pressure, mean arterial pressure, and pulse pressure were weaker predictors of CVD risk in this cohort, and joint consideration of SBP and diastolic blood pressure found that only SBP significantly predicted risk. Use of antihypertensive medication did not modify the relationship of SBP with CVD events. CONCLUSIONS: In this population of women with CVD, we observed a strong, continuous, and linear association between SBP and risk of secondary CVD events. SBP was the blood pressure measure most strongly related to CVD risk.

Adult↗
PubMed2005

Prevalence of cardiovascular disease risk factor clustering among the adult population of China: results from the International Collaborative Study of Cardiovascular Disease in Asia (InterAsia).

BACKGROUND: The prevalence of cardiovascular disease (CVD) risk factors has been increasing in China. METHODS AND RESULTS: We examined the prevalence of CVD risk factor clustering among Chinese adults aged 35 to 74 years with data from the International Collaborative Study of Cardiovascular Disease in Asia (InterAsia), a cross-sectional survey of a nationally representative sample (n=14 690) conducted during 2000 to 2001 and compared these data with those of US adults from the National Health and Nutrition Examination Survey of 1999 to 2000. Overall, 80.5%, 45.9%, and 17.2% of Chinese adults had > or =1, > or =2, and > or =3 modifiable CVD risk factors (dyslipidemia, hypertension, diabetes, cigarette smoking, and overweight), respectively. By comparison, 93.1%, 73.0%, and 35.9% of US adults had > or =1, > or =2, and > or =3 of these risk factors, respectively. In a multivariate model including age, sex, and area of residence, the odds ratio (95% confidence interval [CI]) of having > or =1, > or =2, and > or =3 CVD risk factors versus none of the studied risk factors was 2.61 (95% CI, 2.09 to 3.27), 3.55 (95% CI, 2.77 to 4.54), and 4.97 (95% CI, 3.67 to 6.74), respectively, for Chinese adults 65 to 74 years old versus 35 to 44 years old; 3.65 (95% CI, 3.21 to 4.15), 4.67 (95% CI, 4.06 to 5.38), and 5.60 (95% CI, 4.70 to 6.67), respectively, for men compared with women; 1.18 (95% CI, 1.07 to 1.30), 1.34 (95% CI, 1.21 to 1.50), and 1.84 (95% CI, 1.60 to 2.12), respectively, for urban compared with rural residents; and 1.98 (95% CI, 1.76 to 2.22), 2.75 (95% CI, 2.42 to 3.13), and 4.36 (95% CI, 3.68 to 5.18), respectively, for residents of northern compared with southern China. CONCLUSIONS: Clustering of CVD risk factors is common in China. Prevention, detection, and treatment of CVD risk factor clustering should be an important component of a national strategy to reduce the increasing burden of CVD in China.

Adult↗
PubMed1995

The association between alcohol use and health behaviors related to the risk of cardiovascular disease: the South Carolina Cardiovascular Disease Prevention Project.

OBJECTIVE: This study examines the relationship between alcohol use and health behaviors related to the risk of cardiovascular disease (CVD). In particular, we examined the relationship between alcohol use and leisure time physical activity, participation in community physical activity programs and behaviors used for weight loss. Numerous studies have found a "protective" effect of moderate alcohol consumption on the risk of CVD. However, most of these studies have not adequately controlled for potential confounding by health behaviors associated with alcohol use. METHOD: We used descriptive and logistic regression analyses to examine cross-sectional survey data from 2,072 participants in the South Carolina Cardiovascular Disease Prevention Project. RESULTS: After controlling for age, race, education and preexisting CVD, moderate and heavy drinkers who do not smoke were more likely than nondrinkers to report engaging in regular leisure time physical activity. The relationship between other health behaviors and alcohol consumption was less clear. Among men, moderate and heavy drinkers were no more likely than nondrinkers to participate in community physical activity programs; among women, moderate and heavy drinkers were more likely than nondrinkers to report this activity. Moderate drinkers were more likely than nondrinkers to report that they were attempting to lose weight, however this difference was not statistically significant. CONCLUSIONS: These data suggest that at least some of the apparent protective effect of moderate alcohol consumption found in other studies may be due to differences between nondrinkers and drinkers with respect to physical activity and other health practices.

Adolescent↗
PubMed1999

A public health vs a risk-based intervention to improve cardiovascular health in elementary school children: the Cardiovascular Health in Children Study.

OBJECTIVES: This study sought to determine the population effects of both classroom-based and risk-based interventions designed to reduce cardiovascular disease risk factors in children. METHODS: Elementary school children (n = 2109; age range: 7-12 years) were randomized by school to a classroom-based intervention for all third and fourth graders, a risk-based intervention only for those with 1 or more cardiovascular disease risk factors, or a control group. The 8-week interventions involved both knowledge--attitude and physical activity components. RESULTS: School-level analyses showed that physical activity in the risk-based group and posttest knowledge in the classroom-based group were significantly higher than in the control group. With regard to trends shown by individual-level analyses, cholesterol dropped more in the classroom-based than in the control group, and skinfold thickness decreased 2.9% in the classroom-based group and 3.2% in the risk-based group (as compared with a 1.1% increase in the control group). CONCLUSIONS: Both classroom-based and risk-based interventions had positive effects on physical activity and knowledge, with trends toward reduced body fat and cholesterol. However, the classroom-based approach was easier to implement and evidenced stronger results than the risk-based intervention.

Analysis of Variance↗
PubMed2005

Cardiovascular tests: use & limits of biochemical markers - therapeutic measurements of ADMA involved in cardiovascular disorders.

Asymmetric dimethylarginine (ADMA) is an endogenously occurring methylarginine that inhibits nitric oxide synthesis. Plasma levels of methylarginines increase in renal failure and certain cardiovascular pathologies, and in patients with end stage renal failure the level of ADMA predicts the risk of cardiovascular events and overall mortality. The object of this review is to describe the mechanisms of ADMA synthesis, metabolism and uptake and to outline techniques for measuring ADMA and the pathological states in which ADMA levels are altered.

Arginine↗
PubMed2000

Oligonucleotide-based gene therapy for cardiovascular disease: are oligonucleotide therapeutics novel cardiovascular drugs?

Gene therapy is emerging as a potential strategy for the treatment of cardiovascular disease such as restenosis after angioplasty, vascular bypass graft occlusion, transplant coronary vasculopathy, for which no known effective therapy exists. One strategy for combating disease processes has been to target to the transcriptional process. Two approaches have been used to accomplish this. One is the use of antisense that is complimentary to the mRNA of interest. The second approach is the use of ribozymes, a unique class of RNA molecules that not only store information but also process catalytic activity. Ribozymes are known to catalytically cleave specific target RNA leading to degradation, whereas antisense inhibit translation by binding to mRNA sequences on a stoicheometric basis. Theoretically, ribozymes are more effective to inhibit target gene expression. Especially, the application of DNA technology such as antisense strategy to regulate the transcription of disease-related genes in vivo has important therapeutic potential. More recently, transfection of cis-element double stranded (ds) oligodeoxynucleotides (ODN) (= decoy) as a powerful tool in a new class of anti-gene strategies for gene therapy has been reported. Transfection of ds ODN corresponding to cis sequence will result in the attenuation of authentic cis-trans interaction, leading to the removal of trans-factors from the endogenous cis-elements with subsequent modulation of gene expression. This "decoy" strategy is not only a novel strategy for gene therapy as an anti-gene strategy, but also a powerful tool for the study of endogenous gene regulation in vivo as well as in vitro. In this review, we have focused on the future potential of oligonucleotide (antisense, decoy & ribozyme)-based gene therapy for the treatment of cardiovascular disease.

Cardiovascular Diseases↗