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Effect of trapidil on cardiovascular events in patients with coronary artery disease (results from the Japan Multicenter Investigation for Cardiovascular Diseases-Mochida [JMIC-M]).

A large-scale study was conducted to assess the effect of long-term administration of trapidil on the prognosis of patients with angiographic evidence of coronary artery disease (CAD). A large-scale, multicenter study, the Japan Multicenter Investigation for Cardiovascular Diseases-Mochida was an open-label, randomized trial of 1,743 patients with CAD who were < or =70 years old and had angiographic evidence of >25% stenosis in any coronary artery. We randomly assigned the patients to receive medical treatment either with trapidil 100 mg 3 times daily (trapidil group, n = 873) or without trapidil (control group, n = 870). The mean follow-up period was 924 days. The incidence of cardiovascular events, including cardiac death, nonfatal myocardial infarction, angina pectoris/heart failure requiring hospitalization, and cerebrovascular events was 11.1% in the trapidil group and 14.9% in the control group (relative risk 0.75, 95% confidence interval 0.58 to 0.98, p = 0.036). Thus, long-term intervention with trapidil in CAD reduces the incidence of cardiovascular events and improves the prognosis of patients with CAD.

Angina Pectoris↗

Diabetes, cardiovascular disease, selected cardiovascular disease risk factors, and the 5-year incidence of age-related cataract and progression of lens opacities: the Beaver Dam Eye Study.

PURPOSE: To describe the relationships of diabetes mellitus, cardiovascular disease, and selected cardiovascular disease risk factors to cumulative incidence of age-related cataract and to progression of lens opacities over a 5-year interval. METHODS: A follow-up examination of the Beaver Dam Eye Study cohort was performed 5 years after the baseline evaluation. Ages at the census prior to baseline ranged from 43 to 84 years of age. Protocols for examination, lens photography, and grading were the same for both examinations. RESULTS: Age at baseline was the most significant characteristic associated with incidence of nuclear, cortical, and posterior subcapsular cataract in those without diabetes (P < .001) for all cataracts. The positive association of age with cataract was found for nuclear and cortical cataract in the worse eye (P < or = .04) but not posterior subcapsular cataract in those with diabetes. Progression of nuclear sclerosis was common, occurring in about 70% of subjects when considering either eye. Incident cortical and posterior subcapsular cataracts (P < or = .001 for worse eye for each lesion) and progression of cortical and posterior subcapsular opacities were more common in those with diabetes (P < or = .001 for either eye for each lesion). Increased glycated hemoglobin level was associated with increased risk of nuclear and cortical cataracts in those with diabetes. Relationships of risk factors to posterior subcapsular cataracts, especially among those with diabetes, were often in the expected direction but lacked significance possibly due to small samples. CONCLUSIONS: Diabetes mellitus is associated with incidence over 5 years of cortical and posterior subcapsular cataract and with progression of more minor cortical and posterior subcapsular lens opacities. These changes may be related to level of glycemia. Cardiovascular disease and its risk factors have little effect on incidence of any age-related cataract.

Adult↗

Citizens and family doctors facing awareness and management of traditional cardiovascular risk factors: results from the Global Cardiovascular Risk Reduction Project (Help Your Heart Stay Young Study).

BACKGROUND AND AIM: The numerous guidelines and multiple approaches to managing cardiovascular risk factors have reduced the number of fatal events but not the incidence of cardiovascular disease (CVD). One rarely explored aspect is the extent to which individuals perceive their own risk in relation to their education and history of CVD. Furthermore, Italy has a State-based Health System, in which family doctors (FDs) may be an extremely useful and relatively low cost resource for risk management, but the degree of their involvement in individual CVD risk management has not been previously assessed. METHODS AND RESULTS: The Department of Clinical and Experimental Medicine of Federico II University, Naples, Italy, and the Neapolitan Section of the Italian Society of Family Doctors (SIMG), developed an epidemiological survey to evaluate the level and awareness of CVD risk in subjects in the urban area of Naples, and the degree of involvement of FDs in CVD risk management. During a period of a few months, the subjects who visited their FDs were invited to respond to a standard self-explanatory questionnaire, and the FDs were required to provide quantitative information concerning the CVD risk factors of each enrolled subject from their databases in order to assess global CVD risk. The data included cholesterol and blood pressure (BP) levels, and had to be collected within six months of the visit; if the date were missing, the fact was recorded. The present analysis was based on data concerning the 5,687 subjects who had entered the study by January 2002, 7.6% of whom reported CVD (myocardial infarction (MI), stroke, angina, cerebral transient ischemic attack: CD+) and 92.4% did not (CVD-). MI was the most frequent CVD, and 18% of the CVD+ cases reported more than one non-fatal cardiovascular event. On average, the CVD+ subjects were older and more often men. After adjusting for age and FD, they also had a higher body mass index (BMI) and prevalence of obesity, higher self-reported BP, a lower education level, and more often referred high cholesterol levels, hypertension and diabetes. On the contrary, the proportion of smokers was higher in the CVD- group. Among the subjects who declared that they did not have a high cholesterol level, 11% reported recent values of > 200 mg/dL. The FDs of 36% of the cases were unable to assess the individual global CV risk level using quantitative data from their electronic databases. The most frequently missing information was the level of total cholesterol. Missing data were more frequent in the CVD- than the CVD+ subjects, regardless of age and FD. CONCLUSIONS: The results of our study suggest that the awareness of CVD risk among subjects is somewhat vague. The FDs were generally able to provide a quantitative assessment of CVD risk in their patients. CVD risk prevention programmes may be more successful if they stress knowledge and awareness in the population, and stimulate FDs to undertake more stringent quantitative assessments of CVD risk factors.

Adult↗

Longitudinal changes in diet from childhood into adulthood with respect to risk of cardiovascular diseases: The Cardiovascular Risk in Young Finns Study.

OBJECTIVE: To assess nutrient intakes relevant in the prevention of cardiovascular diseases (CVD) among young adults in Finland and to find past and present determinants of quality of diet. DESIGN: Prospective study, 21 years of follow-up. SETTING: The Cardiovascular Risk in Young Finns Study, Finland. SUBJECTS: At baseline in 1980: 3569 children aged 3-18 y participated (83% of those invited), and every second of them (1780) were selected to the dietary study. At follow-ups in 1986 and 2001: 1200 and 1037 of the original sample, respectively, participated. METHODS: Food consumption was assessed using 48-h dietary recall. Intakes in 2001 were compared with those obtained in 1980 and 1986. Nutrients selected for further examination were those implicated in the risk of CVD: saturated, monounsaturated, polyunsaturated and n-3 fatty acids, fibre and salt. An index describing the quality of adulthood diet was constructed. Multivariate logistic regression was used to identify independent childhood and adulthood determinants of the quality index. RESULTS: The average intakes showed substantial changes since 1980. Intakes of fat and saturated fat had decreased, while the consumption of vegetables and fruit had increased. However, a great disparity was present between the recommended levels and actual intakes for many of the nutrients, particularly salt, saturated fat and fibre. Intake of fat and consumption of vegetables in childhood and physical activity in adulthood were important health behavioural determinants of the cardiovascular quality of the adult diet. Socio-demographic factors, including education of the subject and their parents, had no significant associations with diet. CONCLUSIONS: While intakes of energy and nutrients have changed favourably in Finnish young adults between 1980 and 2001 with regard to the risk of CVD, they are still far from recommended levels. Childhood diet is a significant determinant of adult diet even after 21 y. SPONSORSHIP: This study was supported by the Academy of Finland (grant 77841) and Juho Vainio Foundation.

Adolescent↗

Associations of blood rheology and interleukin-6 with cardiovascular risk factors and prevalent cardiovascular disease.

Haemorheological variables (whole-blood, plasma and relative blood viscosity, haematocrit, red cell aggregation, white cell count and fibrinogen) were measured in 753 men and 821 women aged 25-74 years, and related to cardiovascular risk factors and prevalent cardiovascular disease (CVD). Men had higher levels than women of blood viscosity, haematocrit, corrected viscosity and relative viscosity. Post-menopausal women had higher levels than pre-menopausal women of blood viscosity, haematocrit, corrected blood viscosity, plasma viscosity and fibrinogen: each of these differences was completely or partly abolished by use of hormone replacement therapy. Serum total cholesterol, triglycerides, diastolic blood pressure, body mass index and smoking markers showed positive associations with most rheological variables, whereas HDL-cholesterol, plasma vitamin C and social class showed inverse associations. Rheological variables were associated with prevalent CVD after age-adjustment. However, after multiple risk factor adjustment only plasma viscosity and red cell aggregation showed significant (P<0.04) associations in both men and women (comparing top to bottom quarters). Plasma interleukin-6 (measured in a 25% subsample of 196 men and 221 women) correlated significantly with age, fibrinogen, white cell count, plasma and blood viscosity, current smoking, and (in men) with low serum vitamin C levels; but not with other major risk factors or with prevalent cardiovascular disease.

Adult↗

Cellular adhesion molecules and cardiovascular disease. Part II. Their association with conventional and emerging risk factors, acute coronary events and cardiovascular risk prediction.

The role of cellular adhesion molecules in the patho-genesis of atherosclerosis has now been clearly demonstrated. Plasma levels of adhesion molecules, which have been shed from the cell surface, have also been associated with the presence of clinical atherosclerotic disease, cardiovascular risk factors and acute coronary syndromes. However, there is little consensus in the literature, including between the large well-designed population studies. This may be explained either by unrecognized confounding factors or, alternatively, by the unpredictable relationship between cell surface expression and activity of cellular adhesion molecules and their shedding into the plasma under different circumstances. Probably for the latter reasons, there is at present little evidence that the measurement of circulating adhesion molecules is likely to offer any additional benefit for individual patients above the assessment of conventional cardiovascular risk factors in the assessment of either the extent of, or future risk from, cardiovascular disease.

Antioxidants↗

The prevalence of diabetes, association with cardiovascular risk factors and implications of diagnostic criteria (ADA 1997 and WHO 1998) in a 1996 community-based population study in Hong Kong Chinese. Hong Kong Cardiovascular Risk Factor Steering Committee. American Diabetes Association.

AIMS: While the American Diabetes Association (ADA) 1997 diagnostic criteria advocate the use of fasting plasma glucose only, the World Health Organization (WHO) criteria retain the use of the standard oral glucose tolerance test (OGTT). The present study evaluated the relative merit of the respective diagnostic criteria in Chinese. METHODS: Data collected for the Hong Kong Cardiovascular Risk Factor Prevalence Study was analysed. This was a representative population-based study, conducted from 1995 to 1996 among 2,900 Chinese subjects aged 25-74 years using a 75-g OGTT. RESULTS: The prevalence of diabetes (known plus unknown) was 6.2% (95% confidence interval 5.3-7.1%), 9.2% (8.1-10.3%), and 9.8% (8.7-10.9%) based on ADA 1997, WHO 1985 and WHO 1998 criteria, respectively, with a very high prevalence in older subjects. The 2,451 subjects classified as normal under ADA 1997 criteria were heterogenous: 15.3% had impaired glucose tolerance; 2.1% had diabetes under WHO 1998 criteria. These latter two smaller groups had cardiovascular risk profiles comparable to that found among the impaired fasting glucose subjects (under ADA), but worse than that among the concordant normal glucose tolerance subjects. CONCLUSIONS: The ADA criteria underestimate both diabetes prevalence and cardiovascular risk in this population. Hence fasting glucose alone is an inadequate approach and OGTT should be retained to identify at-risk individuals in both clinical diagnosis and epidemiological studies.

Adult↗

Identification of cardiovascular risk: use of a cardiovascular-specific genogram.

Cardiovascular disease (CVD) affects nearly 50 million Americans of all ages, races, and educational levels. Many of the risk factors for CVD are modifiable and public health nurses (PHNs) are in unique position to impact this major health problem because of their access to individuals, families, and groups. Addressing this major health problem requires early identification of those at risk for CVD. This article describes the implementation of a cardiovascular-specific genogram (CVSG) which can be used to identify persons at risk for CVD. Rationale for the development of this disease-specific tool and suggestions for its clinical application are discussed. The genogram was distributed to the parents of 100 6th grade students. All of the respondents reported cardiovascular risk factors present in at least one of three generations examined. The risk factors in the two younger generations were at the primary and secondary levels of prevention and were modifiable with intervention. Only the older generation in this sample had tertiary level risk factors. The CVSG can easily be incorporated into all aspects of public health nursing practice, from assessment for case finding to planning and implementing disease management strategies. The CVSG can identify individuals, families, and groups at risk for CVD allowing the nurse to focus attention on those most at risk, and to implement proactive assessment, screening, and educational programs.

Cardiovascular Diseases↗

Cardiovascular response to epinephrine-containing local anesthesia in patients with cardiovascular disease.

OBJECTIVE: The purpose of the present study was to examine the safety of epinephrine-containing local anesthesia for use on patients with cardiovascular disease. STUDY DESIGN: Twenty-seven patients with cardiovascular disease were studied. The cardiac functional capacity of 9 patients was New York Heart Association class I; 11, class II; and 7, class III. Hemodynamic responses to intraoral injection of 1.8 mL of 2% lidocaine with 1:80,000 epinephrine were measured with impedance cardiography. RESULTS: Systolic blood pressure and heart rate increased by 4.1% and 5.1%, respectively, immediately after the lidocaine-epinephrine injection. Consequently, rate pressure product increased by 10.0%. Cardiac index increased by 14.2%, and total peripheral resistance decreased by approximately 10%. No patient complained of cardiac symptoms. There were no significant differences in hemodynamic responses related to the extent of the cardiac functional capacity. CONCLUSION: We concluded that lidocaine-epinephrine was safe and had few, if any, hemodynamic consequences in patients with cardiovascular disease.

Aged↗

Cardiovascular basic helix loop helix factor 1, a novel transcriptional repressor expressed preferentially in the developing and adult cardiovascular system.

We have cloned a cardiovascular-restricted basic helix-loop-helix factor that interacts with arylhydrocarbon receptor nuclear translocator (ARNT) in a yeast two-hybrid screen. Cardiovascular helix-loop-helix factor 1 (CHF1) is distantly related to the hairy family of transcriptional repressors. We analyzed its expression pattern during mouse embryo development. At day 8.5, the expression of CHF1 is first detected in the primitive ventricle of the primordial heart tube and persists throughout gestation. In rat hearts, this expression is down-regulated after birth, concurrent with terminal differentiation of cardiomyocytes. In the developing vasculature, CHF1 first appears in the dorsal aorta at day 9.0, which precedes the reported expression of smooth muscle cell markers, and persists into adulthood. In an in vitro system of smooth muscle cell differentiation, CHF1 mRNA was barely detectable in undifferentiated cells but was induced highly in differentiated smooth muscle cells. To determine whether CHF1 might affect the function of ARNT, we performed transfection studies. Co-transfection of CHF1 inhibited ARNT/EPAS1-dependent transcription by 85%, and this inhibition is dose-dependent. In electrophoretic mobility studies, CHF1 inhibited the binding of the ARNT/EPAS1 heterodimer to its target site. Our data suggest that CHF1 functions as a transcriptional repressor and may play an important role in cardiovascular development.

Animals↗

Relation of diet to cardiovascular disease risk factors in subjects with cardiovascular disease in Australia and New Zealand: analysis of the Long-Term Intervention with Pravastatin in Ischaemic Disease trial.

BACKGROUND: Comparisons of the relation of diet with coronary heart disease (CHD) between countries with similar socioeconomic environments have been few. Patients in Australia and New Zealand (n = 9014) who participated in a large secondary prevention trial had significantly different CHD mortality rates. OBJECTIVE: The objective of this study was to ascertain the effects of nutrient consumption on cardiovascular disease risk in patients from the 2 countries. DESIGN: Nutrient consumption patterns were surveyed in a subgroup of 1077 patients on 3 occasions over 4 y during an intervention trial with a statin. RESULTS: Within the entire cohort of 9014 patients, the New Zealanders had significantly (40%) more cardiovascular deaths than did the Australians. In the subgroup of 1077 patients, the New Zealanders were found at entry to have eaten significantly more total (69.34 +/- 12.35 compared with 66.45 +/- 12.9 g/d) and saturated (26.23 +/- 8.41 compared with 24.37 +/- 7.36 g/d) fat (P < 0.001 for each) and to have significantly (4%) higher concentrations of LDL cholesterol (3.96 +/- 0.74 compared with 3.8 +/- 0.76 mmol/L; P < 0.001) than did the Australians. At baseline, patients with previous coronary artery bypass grafting had diets that were significantly different from those of patients without previous coronary artery bypass grafting. Relations between nutrients and plasma lipids confirmed the direct effects of saturated fatty acids on LDL cholesterol and of alcohol on plasma triacylglycerol and HDL cholesterol. Dietary counseling throughout the trial led to significant improvements in compliance with guidelines. However, neither the baseline nor the improved 1-y nutrient intakes predicted future changes in cardiovascular events. CONCLUSION: Differences in CHD mortality and in LDL-cholesterol concentrations between 2 populations with similar socioeconomic and cultural backgrounds were consistent with the amounts and types of fats eaten.

Aged↗

Plasma lipid peroxides: relationships to cardiovascular risk factors and prevalent cardiovascular disease.

BACKGROUND: The epidemiology of plasma lipid peroxides, which may play a role in atherogenesis, has not been well defined. AIM: To study the relationships of plasma lipid peroxides to cardiovascular risk factors in a random population sample. DESIGN: Random, age- and sex-stratified population sample. METHODS: We studied 739 men and women aged 25-74 years. Lipid peroxides were assayed by the thiobarbituric acid (TBA) assay for malondialdehyde (MDA) in stored plasma samples. RESULTS: Lipid peroxide levels increased with age. In men, lipid peroxides were significantly associated with smoking habit. Lipid peroxides correlated with non-fasting serum triglycerides (r = 0.33; p < 0.0001) in both sexes. Weaker associations were observed for cholesterol, high-density lipoprotein cholesterol (inversely), body mass index, fibrinogen and white cell count; as well as an inverse association with serum vitamin C in men. DISCUSSION: These findings clarify the relationships of plasma lipid peroxides to cardiovascular risk factors; and are consistent with the hypothesis that lipid peroxidation may be one mechanism through which several risk factors may promote cardiovascular disease.

Adult↗

Addressing the global cardiovascular risk of hypertension, dyslipidemia, diabetes mellitus, and the metabolic syndrome in the southeastern United States, part II: treatment recommendations for management of the global cardiovascular risk of hypertension, dyslipidemia, diabetes mellitus, and the metabolic syndrome.

An aggressive global approach to screening and to the management of the metabolic syndrome is recommended to slow the growth of the syndrome throughout the United States. Prevention should begin in childhood with healthy nutrition, daily physical activity, and annual measurement of weight, height, and blood pressure beginning at 3 years of age. Such screenings will identify cardiovascular risk factors early, allow the health care provider to define global cardiovascular risk with the COSEHC Cardiovascular Risk Assessment Tool, and allow treatment of each risk factor. Lifelong lifestyle modifications and pharmacologic therapy will be required in most patients. Antihypertensive therapy for these patients should begin with an angiotensin-converting enzyme inhibitor or an angiotensin receptor blocker unless a compelling indication for another drug is present. Metformin should be considered the first drug for glucose control in the patient with type 2 diabetes. A statin should be used initially for hyperlipidemia unless contraindicated. Combinations of antihypertensive, antiglycemic, and lipid-lowering agents will often be required.

Adult↗

C-reactive protein and cardiovascular disease in people with diabetes: high-sensitivity CRP testing can help assess risk for future cardiovascular disease events in this population.

Having both diabetes and an elevated C-reactive protein (CRP) level compounds one's risk of developing cardiovascular disease, for which people with diabetes are at particularly high risk. CRP is both a biomarker for infectious and noninfectious disorders associated with inflammation and a risk factor for such conditions. Many researchers now believe that the protein also plays a role in the disease processes. The American Heart Association and the Centers for Disease Control and Prevention recently defined three cardiovascular risk categories relative to CRP levels. This article reviews the relevant literature and explores how CRP levels can be used in cardiovascular disease risk assessment, prevention, and treatment.

Biomarkers↗

Cardiovascular disease in diabetes mellitus type 2: a potential role for novel cardiovascular risk factors.

A major consequence of diabetes mellitus type 2 is the accelerated development of atherosclerosis. Assessment of conventional risk factors such as plasma lipids, lipoproteins and hypertension only partly account for the excessive risk of developing cardiovascular disease in this population. Increasing evidence has emerged suggesting that conditions associated with diabetes mellitus type 2, such as insulin resistance, hyperinsulinemia and hyperglycemia, may also play a significant role in regulating 'novel' cardiovascular risk factors. These factors and their potential roles in the development of atherosclerosis and cardiovascular events are discussed in this review.

Arteriosclerosis↗

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↗

Incidence of cardiovascular disease in older Americans: the cardiovascular health study.

OBJECTIVES: To estimate incidence rates of major cardiovascular disease (CVD) in older Americans. DESIGN: Longitudinal cohort study using prospectively collected data on cardiovascular events. SETTING: Four U.S. communities in the Cardiovascular Health Study (CHS). PARTICIPANTS: Five thousand eight hundred eighty-eight participants in CHS, aged 65 or older at enrollment, including 3,393 women (581 African American) and 2,495 men (343 African American). MEASUREMENTS: At semiannual contacts, participants reported any occurrence of clinical CVD. Medical records were obtained and adjudicated to confirm diagnosis of CVD. RESULTS: During 10 years of follow-up, incidence of coronary heart disease (CHD) per 1,000 person-years was 39.6 (95% confidence interval (CI)=36.4-43.1) in men and 22.3 (95% CI=20.4-24.2) in women. Cumulative event rates for CHD and myocardial infarction for women aged 75 and older at baseline were similar to those for men aged 65 to 74. The overall incidence of stroke was similar for men and women (14.7 (95% CI=13.0-16.6) and 13.7 (95% CI=12.4-15.1) per 1,000 person-years, respectively), but the risk of stroke increased with age more rapidly in women, resulting in a greater cumulative event rate for stroke in women than in men aged 75 and older. The incidence of congestive heart failure increased 9% with each year of age over 65 and was greater than 6% per year in Caucasian men and women aged 85 and older at baseline. Rates were similar in African Americans and Caucasians. CONCLUSION: The occurrence of new CVD in older Americans is high, indicating that preventive efforts need to be maintained into older ages.

Black or African American↗

School-based cardiovascular health promotion: the child and adolescent trial for cardiovascular health (CATCH).

The Child and Adolescent Trial for Cardiovascular Health (CATCH) is a multisite intervention research study that builds on significant progress made in school health education research in the 1980s. The study has three phases: Phase I deals with study design, intervention, and measurement development, Phase II involves the main trial in 96 schools in four states, and Phase III focuses on analysis. The intervention program targets third-fifth grade students and focuses on multiple cardiovascular health behaviors, including eating habits, physical activity, and cigarette smoking. Classroom curricula, school environmental change, and family involvement programs are developed for each grade level and behavioral focus. This paper describes Phase II of CATCH with a rationale for cardiovascular health promotion with youth. The process of change that appears to be necessary for school-based health promotion and that will be tested in CATCH are presented as a framework to guide these efforts.

Adolescent↗