[Our experiences with the sedative and hypnotic Centalun in cardiovascular diseases].
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Autonomic Nervous System Diseases↗
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Antioxidant vitamins and cardiovascular disease.
The hypothesis that antioxidant vitamins might reduce cardiovascular disease risk is based on a large body of both basic and human epidemiological research. One of the most consistent findings in dietary research is that those who consume higher amounts of fruits and vegetables have lower rates of heart disease and stroke as well as cancer. Recent attention has focused on the antioxidant content of fruits and vegetables as a possible explanation for the apparent protective effects. Basic research provides a plausible mechanism by which antioxidants might reduce the risk of atherosclerosis. A large number of descriptive, case-control, and cohort studies provide data suggesting that consumption of antioxidant vitamins is associated with reduced risks of cardiovascular disease. These data raise the question of a possible role of antioxidants, such as vitamins C and E and beta-carotene, in the primary prevention of cardiovascular disease, but they do not provide a definitive answer. Randomized trial data will be essential in fully assessing whether or not there is a causal effect of antioxidants in reducing the risk of cardiovascular disease. Results from several large-scale randomized trials of antioxidant supplements are now available, and additional trial data should be forthcoming in the near future, which will better define the role of antioxidants in the primary and secondary prevention of atherosclerotic disease. At this point, antioxidants represent a possible but as yet unproven means to reduce the risk of cardiovascular disease.
Antioxidants↗
Optimal healing environments for chronic cardiovascular disease.
A substantial increase in chronic cardiovascular disease is projected for the next several decades. This is attributable to an aging population and accelerated rates of obesity and diabetes. Despite technological advances that have improved survival for acute events, there is suboptimal translation of research knowledge for prevention and treatment of chronic cardiovascular illness. Beginning with a brief review of the demographics and pathogenesis of atherosclerotic cardiovascular disease, this paper discusses the obstacles and approaches to optimal care of patients with chronic cardiovascular disease. The novel concept of an optimal healing environment (OHE) is defined and explored as a model for integrative cardiac health care. Aspects generally underexamined in cardiac care such as intrapersonal/interpersonal characteristics of the health care provider and patient, mind/body/spirit wholeness and healing versus curing are discussed, as is the impact psychosocial factors may have on atherosclerosis and cardiovascular health. Information from research on the impact of an OHE might renew the healing mission in medicine, reveal new approaches for healing the heart and establish the importance of a heart-mind-body connection.
Arteriosclerosis↗
The Strong Heart Study. A study of cardiovascular disease in American Indians: design and methods.
Available data indicate that cardiovascular disease has become the leading cause of death in American Indians. However, limited information is available on cardiovascular disease incidence, prevalence, and risk factors in this population. Reported cardiovascular disease rates vary greatly among groups in different geographic areas. These rates have been obtained from studies of varying sizes and different methodologies. The Strong Heart Study, which uses standardized methodology, is designed to estimate cardiovascular disease mortality and morbidity rates and the prevalence of known and suspected cardiovascular disease risk factors in American Indians. The study population consists of 12 tribes in three geographic areas: an area near Phoenix, Arizona, the southwestern area of Oklahoma, and the Aberdeen area of North and South Dakota. The study includes three components. The first is a mortality survey to estimate cardiovascular disease mortality rates for 1984-1988 among tribal members aged 35-74 years, and the second is a morbidity survey to estimate incidence of both first and first or recurrent hospitalized myocardial infarction and stroke (cerebrovascular disease) among tribal members aged 45-74 years in 1984-1988, and the third is a clinical examination of 4,500 tribal members aged 45-74 years in order to estimate the prevalence of cardiovascular disease and its associations with risk factors. Family history, diet, alcohol and tobacco consumption, physical activity, degree of acculturation, and socioeconomic status are assessed in personal interviews. The physical examination includes measurements of body fat, body circumferences, and blood pressure, an examination of the heart and lungs, an evaluation of peripheral vascular disease, and a 12-lead electrocardiogram. Laboratory measurements include fasting and postload glucose, insulin, fasting lipids, apoproteins, fibrinogen, and glycated hemoglobin. Also measured are serum and urine creatinine and urinary albumin. DNA from lymphocytes is isolated and stored for future genetic studies.
Adult↗
Haptoglobin phenotype, sleep-disordered breathing, and the prevalence of cardiovascular disease: the Sleep Heart Health Study.
BACKGROUND: Diabetes is an independent risk factor for cardiovascular disease, and there is growing evidence that sleep-disordered breathing also may increase the risk of cardiovascular disease. The mechanism responsible for increased susceptibility of people with diabetes to cardiovascular disease is thought to share several features with sleep-disordered breathing, notably increased oxidative stress. We recently demonstrated that a particular haptoglobin phenotype that is associated with differential antioxidant activity is an independent risk factor for cardiovascular disease in individuals with diabetes. We therefore sought to determine whether sleep-disordered breathing and cardiovascular disease are more strongly associated among people with the unfavorable haptoglobin phenotype. METHODS: We tested this hypothesis in 2612 middle-aged and older participants from the Sleep Heart Health Study. Haptoglobin phenotyping was performed by gel electrophoresis. Respiratory disturbance index was assessed by standard methods. Logistic regression analysis was performed to estimate the association between haptoglobin phenotype and cardiovascular disease, adjusting for known cardiovascular risk factors (age, sex, diabetes, smoking, lipid levels, and hypertension). Possible modification by haptoglobin phenotype of the association of sleep-disordered breathing with cardiovascular disease prevalence was explored by examining interaction terms. RESULTS: We found no significant association between haptoglobin phenotype and prevalent cardiovascular disease in this cohort, nor were significant interactions found between haptoglobin phenotype and sleep-disordered breathing on the prevalence of cardiovascular disease. CONCLUSIONS: Sleep-disordered breathing did not appear to interact with haptoglobin phenotype in modifying the association with prevalent cardiovascular disease in the Sleep Heart Health Study. These findings could be due to the absence of association or to survivor bias in these cross-sectional analyses.
Aged↗
Genetic testing, screening, and counseling issues in cardiovascular disease.
Genetic risk assessment for cardiovascular disease is less advanced and less widely performed to date than it is for cancer. Yet it is no less important. Alert clinicians should "think genetically" and follow up appropriately when confronted with a client having a family history of heart disease, early heart disease themselves, a known genetic disorder in which cardiac problems may be a component, or signs and symptoms indicative of a familial component to the heart problem observed. It is important for the clinician to know how, when, and to whom referral for further genetic evaluation and counseling should be made. Genetic testing and screening in children or adolescents for conditions such as hypertrophic cardiomyopathy (HCM), familial hypercholesterolemia (FH), and long QT (LQT) syndrome, when indicated, can help to save lives through preventive treatment and therapeutic interventions. Preparticipation sports physicals are one means of providing such screening and are important to conduct properly under guidelines recommended by the American Heart Association. Genetic testing for relatives of persons already identified to have heritable cardiac conditions is becoming more and more integral to mainstream primary health care but engender controversy when testing of children is involved. Clinicians must know how to interpret the results of such tests. Appropriate genetic counseling must accompany risk assessment, genetic testing, and screening for cardiovascular disease.
Adult↗
Sports ability in young men and the incidence of cardiovascular disease.
PURPOSE: For physical activity to reduce the risk of cardiovascular disease, it must be sustained throughout life. We sought to determine the relation between the ability of young adults in different sports and their continued physical activity in midlife, and subsequent cardiovascular disease. SUBJECTS AND METHODS: Baseline self-reported ability in tennis, golf, football, baseball, and basketball was assessed in a cohort study involving 1019 male medical students (median age, 22 years). Physical activity and sports participation were assessed 22 years later. The incidence of cardiovascular disease was assessed during a median follow-up of 40 years, using annual questionnaires, medical records, and death certificates. RESULTS: Subjects with high ability in tennis as young adults had the highest participation in the sport in midlife (median age, 48 years). In the midlife questionnaire administered in 1978, 33% reported playing tennis within the past week and 51% within the past year. Tennis was the only sport in which a higher ability during medical school was associated with a lower risk of cardiovascular disease. After adjustment for father's occupation, parental incidence of cardiovascular disease, serum cholesterol level, cigarette smoking, body mass index, and hypertension during follow-up, the relative hazard of developing cardiovascular disease was 0.56 (95% confidence interval [CI]: 0.35 to 0.89) in the high-ability group and 0.67 (95% CI: 0.47 to 0.96) in the low-ability group, compared with the no-ability group. CONCLUSION: Our results support the association between sustained activity in aerobic sports and a lower risk of cardiovascular disease. Sustainability of activity should be considered when developing physical education programs for young adults.
Adult↗
No added value of the methionine loading task in assessment for venous thrombosis and cardiovascular disease risk.
Homocysteine is a risk factor for cardiovascular disease and venous thrombosis. Clinical guidelines differ in their recommendation whether or not to measure homocysteine after methionine loading. In this study, we investigated the added value of the methionine loading test next to fasting homocysteine levels for identifying subjects at risk for venous thrombosis or cardiovascular disease, using Receiver Operating Characteristic (ROC) curves. The analysis was performed in 185 patients with recurrent venous thrombosis, 130 patients with cardiovascular disease and 601 controls. The discriminatory power of the fasting homocysteine measurement alone for identifying subjects at risk of venous thrombosis expressed as the area under the ROC curve (AUC) was 0.61 (95%CI 0.56-0.66). Using both a fasting homocysteine measurement and a methionine loading test together yielded a similar AUC of 0.65 (95%CI 0.60-0.69), indicating no added value of methionine loading next to fasting homocysteine measurement in identifying subjects at risk for thrombosis. Similar results where found for cardiovascular disease,with an AUC of 0.62 (95%CI 0.57-0.67) for the fasting homocysteine measurement alone and an AUC of 0.62 (95% CI0.57-0.67) for the combination of both the fasting and the post-load homocysteine measurement. The methionine loading test has no added value next to measuring fasting homocysteine levels for identifying subjects at risk for venous thrombosis or cardiovascular disease and for that reason should not be used in clinical practice.
Aged↗
Providing dental treatment for patients with cardiovascular disease.
The appropriate management of dental patients with cardiovascular disease is contingent on appropriate assessment and evaluation. Baseline vital signs, a good medical history and medical evaluation are all essential for the safe delivery of care. All patients with cardiovascular disease can be managed using the following guidelines: 1. Properly assess the patient. This should include an assessment by the dentist and also a medical consultation if required. 2. Establish what medications the patient is taking along with the dose and timing and note any potential drug interactions and side effects. 3. Use short appointments (less than one hour), preferably in the morning. 4. Premedication should be considered to alleviate anxiety. The intraoperative use of nitrous oxide and oxygen is also a reasonable strategy for patients with cardiovascular disease, particularly those with ischemic heart disease. 5. Effective local anesthesia is important in order to avoid undue stress during the appointment as long as the guidelines for the administration of epinephrine are followed. The use of epinephrine impregnated gingival displacement cord should be strictly avoided in patients with cardiovascular disease. 6. For patients with angina pectoris, a fresh supply of nitroglycerin should be available at the time of the appointment. Prophylactic nitroglycerin has been shown to be effective in the prevention of both hypertension and angina pectoris during dental treatment. The appointment should be terminated early if the patient becomes overly anxious. In the event of cardiovascular symptoms during dental treatment, all work should be stopped. Emergency measures should be instituted if necessary. Preparations for emergencies should be undertaken by all dentists. The treatment of patients with cardiovascular disease is relatively simple if the proper steps are taken. The use of blood pressure measurements on all patients will help to screen for undiagnosed hypertension and all patients who are potentially hypertensive should be referred for medical evaluation. A preventive approach to the treatment of these patients will serve to prevent untoward outcomes and provide safe and simple delivery of dental care for cardiovascular patients.
Cardiovascular Diseases↗
[Study of the effect of medicinal product "STRESSEN" on blood levels of homocysteine in patients with current cardiovascular disease].
OBJECTIVE: The relationship between cardiovascular disease and high plasma levels of homocysteine is known; it is therefore necessary to keep the concentrations of this amino acid, considered an independent risk factor for these pathologies, within the physiological range. The objective of this study is to evaluate the efficacy of the medicinal product STRESSEN on homocysteinemia in patients with current cardiovascular disease. PATIENTS AND METHODS: The study was carried out on 40 patients with homocysteinemia higher than 14 micromol/l. Patients were divided into 2 groups of 20: one was treated with STRESSEN for 30 days and the other did not receive any specific therapy. Homocysteinemia was evaluated at t = 0 and t = 30 days in both groups. RESULTS: STRESSEN determined a significative mean reduction of 39.2% (P < 0.0001) of plasma levels of the considered amino acid, which on the contrary did not change in non treated patients. CONCLUSIONS: The results of this study show the efficacy of STRESSEN in reducing homocysteinemia and, consequently, the risk of coronary disease.
Aged↗
The metabolic syndrome as a link between smoking and cardiovascular disease.
OBJECTIVE: Smoking is associated with a significant increase in the cardiovascular risk. The possible relationship of smoking with insulin resistance might further enhance the cardiovascular risk of the patients and is therefore of great clinical interest. DESIGN, SETTING AND SUBJECTS: We have retrospectively evaluated data of 3804 non-diabetic men attending a medical outdoor clinic. Clinical [body mass index (BMI), percentage of body fat, waist-to-hip ratio] and laboratory results were compared between smokers (n = 124) and non-smokers (n = 1915) without cardiovascular disease, as well as between smokers (n = 759) and non-smokers (n = 1006) with cardiovascular disease. RESULTS: Smokers without clinically manifest cardiovascular disease revealed significantly higher fasting glucose (5.8 +/- 0.6 mmol/l) and triglyceride levels (1.8 +/- 0.9 mmol/l) than non-smokers (fasting glucose: 5.1 +/- 0.7 mmol/l, p < 0.010; triglycerides: 1.5 +/- 0.8 mmol/l, p < 0.030). The adverse metabolic profile of smokers was even more pronounced in patients with cardiovascular disease. An age-matched analysis of smokers could demonstrate that cardiovascular patients revealed higher BMI values (27.3 +/- 2.4 kg/m2) and a higher percentage of body fat (25.5 +/- 5.5%) than those without cardiovascular disease (BMI: 25.7 +/- 2.2 kg/m2, p < 0.010; percentage of body fat: 23.0 +/- 5.5%, p < 0.030). CONCLUSION: In men with and without clinically manifest cardiovascular disease, smoking was associated with a metabolic profile indicating a higher degree of insulin resistance.
Adult↗
[Social inequalities in the mortality due to cardiovascular diseases in Italy].
Social inequalities in cardiovascular disease mortality are described in this paper focusing on the results of the Studio Longitudinale Torinese (SLT), an investigation that links census data with the statistical data that are currently available. The overall results confirm that cardiovascular disease mortality is higher in less-advantaged socioeconomic groups, irrespectively of the social indicator used: education, social class, housing quality, job security. Stratified data shows less important inequalities among ischemic heart disease as compared to cerebrovascular mortality. The differences are even more complex when the age groups in the two genders are analyzed, revealing cohort effects. Overall, the results agree with the previous survey carried out by ISTAT on 1981 Italian mortality, which confirmed the variations in inequalities according to geographical areas, gender and age. Differences in access to the health system are likely to be related to the differences detected for geographical areas, while differences in personal history and attitude towards health-associated behavior should explain age and gender variations in inequalities. Equity must be included in the evaluation of preventive programs and health-care models. Epidemiological and social research should be encouraged to better understand the factors that influence inequalities in cardiovascular disease mortality and in the health status of the population at large.
Adolescent↗
Results of screening a large group of intercollegiate competitive athletes for cardiovascular disease.
To determine the feasibility of detecting cardiovascular disease in a large group of young competitive athletes, a prospective screening evaluation of intercollegiate student athletes was undertaken at the University of Maryland. Initial clinical screening (including personal and family history, physical examination and 12 lead electrocardiogram) was performed in 501 athletes. Ninety of these subjects had positive findings on one or more of the three studies and agreed to further cardiologic evaluation. The vast majority (75 [84%] of 90) had no definitive evidence of cardiovascular disease, although 1 athlete had mild systemic hypertension and 14 (15%) had echocardiographic evidence of relatively mild mitral valve prolapse that had not been previously suspected. In three athletes with relatively mild ventricular septal hypertrophy (14 to 15 mm), it was not possible to discern with absolute certainty whether the wall thickening was a manifestation of hypertrophic cardiomyopathy or secondary to athletic conditioning ("athlete heart"). Therefore, this screening protocol identified no athletes with definite evidence of hypertrophic cardiomyopathy, Marfan's syndrome or other cardiovascular diseases that convey a significant potential risk for sudden death or disease progression during athletic activity. This failure to identify such diseases could have been due to a lack of sensitivity of the screening tests or to the low frequency with which these diseases occur in youthful healthy athletes. A systematic preparticipation screening program (such as the present one) does not appear to be an efficient means of detecting clinically important cardiovascular disease in young athletes.
Adolescent↗
Underrepresentation of renal disease in randomized controlled trials of cardiovascular disease.
CONTEXT: Patients with renal disease are at high risk for cardiovascular mortality. Determining which interventions best offset this risk remains a health priority. OBJECTIVE: To quantify the representation of patients with renal disease in randomized controlled trials for interventions proven efficacious for cardiovascular disease. DATA SOURCES: We searched MEDLINE for trials published from 1985 through 2005 in 11 major medical and subspecialty journals. STUDY SELECTION: Randomized controlled trials for chronic congestive heart failure and acute myocardial infarction of treatments that are currently listed as class I or II recommendations in the current American College of Cardiology/American Heart Association guidelines were included. DATA EXTRACTION: Two reviewers independently abstracted data on study and patient characteristics, renal measurements, outcomes, and prognostic features. DATA SYNTHESIS: A total of 153 trials were reviewed. Patients with renal disease were reported as excluded in 86 (56%) trials. Patients with renal disease were more likely to be excluded from trials that were multicenter; of moderate enrollment size; North American; that tested renin-angiotensin-aldosterone system antagonists and anticoagulants; and that tested chronic congestive heart failure. Only 8 (5%) original articles reported the proportion of enrolled patients with renal disease, and only 15 (10%) reported mean baseline renal function. While 81 (53%) trials performed subgroup analyses of some baseline characteristic in the original article, only 4 (3%) subgroup analyses of treatment stratified by renal disease were performed. CONCLUSION: Major cardiovascular disease trials frequently exclude patients with renal disease and do not provide adequate information on the renal function of enrollees or the effect of interventions on patients with renal disease.
Cardiovascular Diseases↗
Cardiovascular disease delay in centenarian offspring: role of heat shock proteins.
Cardiovascular disease is a major cause of morbidity and mortality of older Americans. We have demonstrated recently that centenarian offspring, when compared with age-matched controls, avoid and/or delay cardiovascular disease and cardiovascular risk factors. Given recent evidence suggesting that higher circulating levels of HSP70 predict the future development of cardiovascular disease in established hypertensives and a recent study demonstrating a decrease in HSP60 and HSP70 with advancing age, we hypothesized that HSP70 levels would be lower in centenarian offspring compared with controls. The circulating serum concentration of HSP70 in 20 centenarian offspring and 9 spousal controls was analyzed using a modified HSP70 ELISA method. Centenarian offspring showed approximately 10-fold lower levels of circulating serum HSP70 compared with spousal controls (P <.001). The exact biological significance of the extremely low levels of circulating serum HSP70 observed in centenarian offspring thus far is not clear. However, circulating HSP has been shown to correlate in diseases or disorders in which there is destruction or damage to target tissues or organs, including cardiovascular diseases and numerous autoimmune disorders. We hypothesize that low levels of circulating serum HSP70 may be an indicator of a healthy state and point to longevity of the host; therefore, our results suggest that levels of circulating serum HSP70 may be a marker for longevity.
Aged↗
Cardiovascular disease after renal transplantation.
Although cardiovascular disease is a major cause of morbidity and mortality after renal transplantation, its pathogenesis and treatment are poorly understood. We conducted separate analyses of risk factors for ischemic heart disease, cerebral, and peripheral vascular disease after 706 renal transplants, all of which functioned for at least 6 months. We used Cox proportional hazards analysis to examine the effects of multiple pretransplant and posttransplant risk factors and included time-dependent variables measured at 3, 6, and 12 months, and annually to last follow-up at 7.0 +/- 4.2 yr. The independent relative risk (RR) of diabetes was 3.25 for ischemic heart disease, 3.21 for cerebral vascular disease, and 28.18 peripheral vascular disease (P < 0.05). The RR of each acute rejection episode was 1.40 for ischemic heart disease and 1.24 for cerebral vascular disease. Among serum lipid levels, high-density lipoprotein cholesterol was the best predictor of ischemic heart disease (RR = 0.80 for each 10 mg/dL). Posttransplant ischemic heart disease was strongly predictive of cerebral (5.80) and peripheral vascular disease (5.22), whereas ischemic heart disease was predicted by posttransplant cerebral (8.25) and peripheral vascular disease (4.58). Other risk factors for vascular disease included age, gender, cigarette smoking, pretransplant splenectomy, and serum albumin. Hypertension and low-density lipoprotein cholesterol had no effect, perhaps because of aggressive pharmacologic treatment. Thus, the incidence of cardiovascular disease continues to be high after renal transplantation, and multiple risk factors suggest a number of possible strategies for more effective treatment and prevention.
Adult↗
American Indian women and cardiovascular disease: response behaviors to chest pain.
Cardiovascular disease (CVD) is currently the number one killer of American women. Consequently, CVD is a concern for all women, including ethnic women. However, little is known about CVD behaviors and responses to CVD symptomology among minority women, especially American Indian women. Response behaviors to chest pain require important actions. This article examines response behaviors to chest pain in a group of American Indian women participants of the Inter-Tribal Heart Project. In 1992 to 1994, 866 American Indian women, aged 22 years and older, participated in face-to-face interviews to answer survey questions on multiple areas related to cardiovascular disease on 3 rural reservations in Minnesota and Wisconsin. A secondary data analysis was conducted on selected variables including demographic characteristics, healthcare access, rating of health status, personal and family history of cardiovascular disease, and action in response to crushing chest pain that lasted longer than 15 minutes. Research findings report that 68% of women would actively seek healthcare immediately if experiencing crushing chest pain that lasted longer than 15 minutes. However, 264 women (32%) would take a passive action to crushing chest pain, with 23% reporting they would sit down and wait until it passed. Analysis revealed women reporting a passive response were younger in age (under age 45) and had less education (less than a high school education). These findings have implications for nurses and other healthcare providers working in rural, geographically isolated Indian reservations. How to present CVD education in a culturally appropriate manner remains a challenge.
Adult↗
[Genetic burden of psychosomatic diseases and exogenous risk-factors of cardiovascular diseases in healthy students with different physiological and psychological adaptation abilities].
Exogenous risk factors of cardiovascular diseases and genetic burden of psychosomatic pathologies have been studied in practically healthy students with various physiological and psychological adaptation abilities for differential analysis of the risk for development of cardiological diseases. The complex of genetic burden of psychosomatic pathologies and exogenous risk factors was significantly more frequent in practically healthy students with strong profile of adaptation mechanisms, increased circadian profile, zero type and weak persistence of fixated set.
Adaptation, Psychological↗