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At the Medical Department, Telemark Central Hospital, a project has been going on for five years now to evaluate consultations in lifestyle groups in preference to individual consultations for persons with dyslipidemia. 363 persons were recruited to participate in a series of 5 group consultations at intervals of 3 months, each session to last for 2 hours. Altogether 1469 consultations were of this type. After the first session 79% said they preferred lifestyle group consultations, rather than spending their share of the allotted time on personal consultations, and after the fifth session 81%. The concept has been extended to include patients with chronic disease (asthma and chronic inflammatory bowel disease), with the principal aim of improving the patients' understanding of their disease, and showing them how to control it themselves. The project has attracted much attention, and a consultant in preventive medicine has recently been appointed to the staff. We think it important in terms of impact that the initiative to establish local expertise in preventive medicine emerged from a department that deals with emergency admissions due to lifestyle-related diseases.
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PMID:[Integration of preventive medicine in an emergency department. A pedagogic model for improvement of communication]. 931 82

The United States is in the midst of an epidemic of obesity involving more than one third of the adult population. The prevalence of obesity increased by 40% between 1980 and 1990. Obesity is a chronic disease with a multifactorial etiology including genetics, environment, metabolism, lifestyle, and behavioral components. A chronic disease treatment model involving both lifestyle interventions and, when appropriate, additional medical therapies delivered by an interdisciplinary team including physicians, dietitians, exercise specialists, and behavior therapists offers the best chance for effective obesity treatment. Lifestyle factors such as proper nutrition, regular physical activity, and changes in eating behaviors should be coordinated by this team. This review addresses the modern epidemic of obesity, the strong association between obesity and comorbidities such as coronary heart disease, type 2 diabetes, hypertension, and dyslipidemia. In addition to obesity, the health risks of abdominal obesity and adult weight gain are discussed. The evidence that supports health benefits from modest weight loss (between 5% and 10% of body weight) is evaluated and the 5 key principles of effective obesity therapy are put forward. Obesity is a therapeutic challenge best met by teams of health care professionals, including dietitians and physicians, working together to deliver optimal treatment.
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PMID:Obesity as a chronic disease: modern medical and lifestyle management. 978 30

Type 2 diabetes, cardiovascular disease, and hypertension are comorbities associated with obesity. Treatment and prevention strategies for these comorbidities of obesity are often assumed to be the same-weight loss. Although many persons may lose weight initially, recidivism is a major concern. Therefore, medical nutrition therapy for obese persons with comorbidities should be refocused from weight loss to attaining and maintaining metabolic parameters--normal blood glucose levels, optimal lipid levels, and blood pressure levels within normal limits. Moderate weight loss is only one lifestyle strategy that can be recommended. Research has also supported other lifestyle strategies, including becoming more physically fit. In type 2 diabetes, a restricted energy diet even without weight loss, spacing of meals throughout the day, and fat intake modifications have been shown to improve glycemia. Dyslipidemia can be improved by reducing or changing the fat content of the diet. Blood pressure levels can be reduced by a diet high in fruits and vegetables and low in fat. Research is underway to determine if weight loss can prevent chronic disease; however, once comorbidities are present, lifestyle strategies should be directed toward the improvement of metabolic parameters associated with the comorbidity.
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PMID:Managing obesity in patients with comorbidities. 978 35

The most rapidly growing segment of the United States population is the geriatric group, especially those above 75 years of age. Hypertension, diabetes mellitus, and dyslipidemia increase with advancing years in Westernized, industrialized societies such as the United States. These disorders contribute significantly to strokes and myocardial infarctions and associated morbidity and mortality in our elderly population. The increase in these chronic disease processes with aging is related, in part, to increasing obesity, reductions in physical activity, and medications that predispose to these conditions (ie, nonsteroidal inflammatory agents and hypertension). Hypertension in the elderly is characterized by high peripheral vascular resistance/reduced cardiac output, impaired baroflex sensitivity, relatively greater systolic pressures, increased blood pressure variability, and a propensity to salt sensitivity. Type 2 diabetes in the elderly is related to alterations in body composition (ie, increased central adiposity and decreased lean body mass) and to reduced physical activity. There is an increasing body of evidence that aggressive treatment of hypertension and dyslipidemia in the elderly results in comparable, if not greater, reductions in cardiovascular morbidity and mortality in the elderly as in younger counterparts.
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PMID:Hypertension, hormones, and aging. 1081 Oct 49

It is known that the prevalence of cardiovascular diseases, hypertension, noninsulin dependent diabetes mellitus and dyslipidemia in the late adulthood are in connection with intrauterine retardation, characterized by low birth weight. One possible explanation of this phenomenon is the abnormality of hypothalamus-hypophysis-adrenal cortex axis due to the accelerated growth. The authors investigated the steroid levels of young adults; whom birth weight were under 2500 g, and examined the relationship between hormone levels and some parameters of glucose metabolism and cardiovascular system. 75 subjects (43 female and 32 male patients, mean age: 19.6 and 19.8 years, respectively; range 18-22 ys) with low birth weight and without any sign of chronic disease, and 30 healthy, age-matched controls with normal birth weight were investigated. The basal serum cortisol, dehydroepiandrosterone (DHEA), dehydroepiandrosterone sulphate (DHEAS), androstenedione (AD), 17-hydroxyprogesterone (17OHP), estradiol (OE), sex-hormone binding globulin (SHBG), FSH, LH and insulin levels were determined. Moreover, oral glucose tolerance test with 75 g glucose (OGTT), impedance cardiography as well as ambulatory blood pressure monitoring were done by all subjects. In both sexes in subjects with low birth weight the mean serum cortisol level was significantly higher, than in the normal controls. In female patients the serum DHEA, DHEAS, AD, and 17OHP levels were significantly higher than in the controls. Moreover, among these females a relationship was found between the elevations of adrenal and gonadal steroids and hyperinsulinemia, characterized by increased insulin response during OGTT. In male subjects a significant correlation was found between serum cortisol levels and systolic blood pressure and heart rate. In females there was a positive relationship between serum DHEA and heart rate. Summarized, the basic abnormality in patients with low birth weight seems to be a relative hypercortisolism, and in females because of hyperinsulinemia exists a mild hyperandrogenism as well. The hypercortisolism may cause cardiovascular abnormalities in males directly, while in females indirectly through the hyperinsulinemia and hyperandrogenism. These subtle abnormalities can be detected when no clinical signs present themselves, in young adulthood, giving the opportunity of taking preventive actions.
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PMID:[Low birth weight, adrenal and sex hormones and their correlation with carbohydrate metabolism and cardiovascular physiology, investigated in young adulthood] . 1103 33

The risk or rate advancement period (RAP) proposed by Brenner et al. (Epidemiology 1993;4:229-36) conveys information on the impact of a risk factor on the age dimension of chronic disease occurrence and may thus facilitate communication of epidemiologic findings. The RAP expresses how much sooner a given risk or rate of disease occurrence is reached among exposed than among unexposed individuals. The purpose of the present analysis was to derive estimates of RAPs for cardiovascular risk factors in relation to incident nonfatal and fatal myocardial infarction in middle-aged men of the Monitoring Trends and Determinants in Cardiovascular Diseases (MONICA) Augsburg cohort, Germany, between 1984 and 1995. RAPs were estimated based on Cox proportional hazards models. After multivariate adjustment, hypertension, smoking, and dyslipidemia were associated with RAPs of 8, 11, and 11 years, respectively, conditional on infarction-free survival to baseline and absence of competing risks. The RAP may be interpreted as that, on average, smokers are expected to advance their risk of myocardial infarction approximately 11 years compared with never/former smokers; for example, 50-year-old smokers are expected to carry the same risk of infarction as 61-year-old nonsmokers. The authors encourage the use and evaluation of the RAP as an effective risk communication tool in actual counseling situations.
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PMID:Assessing the impact of classical risk factors on myocardial infarction by rate advancement periods. 1153 91

Recognition by the American Heart Association that obesity is a major modifiable risk factor for coronary heart disease has prompted health providers to take a more active role in obesity management. Obesity has long been known to accompany a host of chronic diseases, e.g., type II diabetes, hypertension, and dyslipidemia. We now recognize that obesity is itself a chronic disease with a complex etiology; like diabetes and hypertension, it is treatable with a similar chronic disease treatment model. Relatively modest weight loss confers disproportionate health benefits, improving a roster of risk factors. Diet, exercise, and behavior modification still compose the gold standard of treatment. If these measures fail, medication and surgery should be considered for appropriate patients. With current techniques, many patients can achieve realistic weight goals that can be maintained over the long term. Published management guidelines can now assist in integrating the practical applications of obesity-related research findings into everyday clinical practice.
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PMID:Treating obesity: a new target for prevention of coronary heart disease. 1146 39

The level of fatness at which morbidity increases is determined on an acturial basis. Direct measurements of body fat content, eg hydrodensitometry, bioimpedance or DEXA, are useful tools in scientific studies. However, body mass index (BMI) is easy to calculate and is frequently used to define obesity clinically. An increased risk of death from cardiovascular disease in adults has been found in subjects whose BMI had been greater than the 75th percentile as adolescents. Childhood obesity seems to increase the risk of subsequent morbidity whether or not obesity persists into adulthood. The genetic basis of childhood obesity has been elucidated to some extent through the discovery of leptin, the ob gene product, and the increasing knowledge on the role of neuropeptides such as POMC, neuropeptide Y (NPY) and the melanocyte concentrating hormone receptors (MC4R). Environmental/exogenous factors contribute to the development of a high degree of body fatness early in life. Twin studies suggest that approximately 50% of the tendency toward obesity is inherited. There are numerous disorders including a number of endocrine disorders (Cushing's syndrome, hypothyroidism, etc) and genetic syndromes (Prader-Labhard-Willi syndrome, Bardet-Biedl syndrome etc) that can present with obesity. A simple diagnostic algorithm allows for the differentiation between primary or secondary obesity. Among the most common sequelae of primary childhood obesity are hypertension, dyslipidemia and psychosocial problems. Therapeutic strategies include psychological and family therapy, lifestyle/behavior modification and nutrition education. The role of regular exercise and exercise programs is emphasized. Surgical procedures and drugs used as treatments for adult obesity are still not recommended for children and adolescents with obesity. As obesity is the most common chronic disorder in the industrialized societies, its impact on individual lives as well as on health economics has to be recognized more widely. This review is aimed towards defining the clinical problem of childhood obesity on the basis of current knowledge and towards outlining future research areas in the field of energy homoeostasis and food intake control.
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PMID:Clinical aspects of obesity in childhood and adolescence--diagnosis, treatment and prevention. 1146 94

The HIV infection leads to many nutritional problems. For a long time, the Wasting Syndrome was one of the most frequent inaugural features of AIDS and still concerns many patients. The weight loss worsens the prognosis of the disease. The reduced dietary intakes, the increased digestive losses and energetic expenditure result in severe malnutrition. Therefore, the nutritional support and its association with orexigenes, anabolic agents and physical activity has to be carefully selected. The adverse events of new antiretroviral drugs influence the nutritional state and the patient's compliance towards their treatments. For lipodystrophy, whose etiology is still unknown, no treatment has yet been found. Metabolic disorders (dyslipidemia, glucose intolerance, diabetes, etc.) in this presently chronic disease require particular attention since they increase cardiovascular risks. In general they are sensitive to a dietary approach.
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PMID:[Nutrition and HIV infection]. 1172 3

The industrialized countries around the world are experiencing an epidemic of childhood obesity. The level of fatness of a child at which morbidity increases acutely and/or later in life is determined on an individual basis. Overall, however, childhood obesity substantially increases the risk of subsequent morbidity whether or not obesity persists into adulthood. The genetic basis of childhood obesity has been elucidated to some extent through the discovery of leptin, the ob gene product, and the increasing knowledge of the role of neuropeptides such as pro-opiomelanocortin, neuropeptide Y and the melanocyte-concentrating hormone receptors. Environmental and exogenous factors are the main contributors to the development of a high degree of body fatness early in life. Studies involving twins suggest that approximately 50% of the tendency toward obesity is inherited. There are numerous disorders, including a number of endocrine disorders, such as Cushing's syndrome and hypothyroidism, and genetic syndromes, such as Prader-Labhard-Willi syndrome and Bardet-Biedl syndrome, that can present with obesity. A simple diagnostic algorithm allows for differentiation between primary and secondary obesity. Among the most common sequelae of primary childhood obesity are hypertension, dyslipidemia, back pain and psychosocial problems. It is somewhat ironic that the definition of obesity in childhood is not an easy one. Direct measurements of body fat content, such as hydrodensitometry, bioimpedance, or dual-energy X-ray absorptiometry, are useful tools in scientific studies. Body mass index (BMI) is, however, now generally accepted to be a good clinical measure for the definition of obesity in children and adolescents. In preadolescent boys, BMI also relates to muscle mass and should be used for the definition of fat mass with great caution. An increased risk of death from cardiovascular disease in adults has been found in patients whose BMI had been greater than the 75th percentile as adolescents. Therapeutic strategies include psychological and family therapy, modification of lifestyle and behavior, and nutritional education. The role of regular exercise and exercise programs is emphasized, while surgical procedures and drugs used in adult obesity are still not generally recommended for obese children. Obesity is the most common chronic disorder in industrialized countries, and its impact on individual lives as well as on health economics must be recognized by physicians and the public alike. This review aims to increase awareness of the health burden and economic dimension of the epidemic of childhood obesity that is occurring around the globe.
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PMID:Obesity in childhood and adolescence: clinical diagnosis and management. 1183 96


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