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Query: UMLS:C0028754 (obesity)
 124,988 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

In recent decades, non-insulin dependent diabetes mellitus (NIDDM) has become a major public health problem in several parts of the world. A complex disorder, NIDDM is associated with an increased risk of blindness, coronary heart disease, peripheral vascular disease, and kidney failure (1). The epidemiology of NIDDM is providing new insights into many aspects of this disease, including prevalence, incidence, morbidity, and mortality (2). My objective is to explain the high prevalence of a NIDDM susceptible genotype(s) in several distinct populations: American Indians, Australian Aborigines, and Pacific Islanders. The susceptible genotype may have been selected into these populations because of unusually frequent food shortages that occurred during the initial colonization of 'new worlds'. NIDDM has been shown to have a strong genetic component (3) that may include a 'thrifty' genotype(s) (4,5). The 'thrifty' genotype(s) may have once allowed founding populations to survive feast' and 'famine' conditions for several generations. With an assured food supply and a sedentary lifestyle, however, the 'thrifty' genotype(s) becomes disadvantageous, leading to obesity, increased insulin resistance, beta cell decompensation, and NIDDM (3,6).
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PMID:Archaeology and the "thrifty" non insulin dependent diabetes mellitus (NIDDM) genotype. 136 87

Non-insulin-dependent diabetes mellitus is epidemic among African-American women in the United States; reports of its prevalence among African Americans range from 50% to 60% higher than among whites. African Americans also incur higher rates of diabetes-related complications such as blindness, end-stage renal disease, and amputations. Data indicate that non-insulin-dependent diabetes among African Americans is associated with lower socioeconomic status and with obesity. Because obesity has been hypothesized as contributing to the growing numbers of non-insulin-dependent diabetics among African-American women, new strategies are urgently needed to promote weight loss in this population. Community organization can broaden health education and facilitate behavior change toward development of life- and self-mastery skills. Specific strategies of this approach include (1) integrating community values into health messages, (2) facilitating neighborhood "ownership" and decision-making, (3) utilizing existing formal and informal networks, and (4) empowering individuals and community. Community organization may be a promising strategy among low-income minority communities to reduce the risk of non-insulin-dependent diabetes by promoting changes in dietary patterns, because it ensures that the health messages and programs that emerge will be consistent with existing sociocultural norms and beliefs.
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PMID:Community organization to reduce the risk of non-insulin-dependent diabetes among low-income African-American women. 146 55

The prevalences of risk factors and angiopathy were studied in 260 diabetic patients, 100 females and 160 males, 35-54 years old, in Uppsala. The prevalence, in females and males separately, of hypertension (WHO-criteria) was 46-34%, of hypercholesterolaemia (greater than or equal to 6.7 mmol.l-1) 32-29%, and of obesity (relative BMI greater than or equal to 120%) 25-20%. Those smoking greater than 15 cigarettes/day were 11-20%. Mean HbA1 was 10.6-10.5%. The prevalence of angina pectoris was 11-6%, of possible infarction 4-6%, and of major ECG abnormalities 6-4%. Large vessel (cardiovascular) disease was independently related to HbA1 (strongly), hypertension, cholesterol, age and familial NIDDM. The prevalence of severe retinopathy (blindness, new vessels or large hemorrhage) was 0% with 7-13 years of diabetes duration, and 26% with greater than or equal to 14 years of duration. The prevalence of severe proteinuria was 4% with 7-13 years of diabetes duration, and 15% with greater than or equal to 14 years of duration. Small vessel (retinopathy and nephropathy) disease was independently related to diabetes duration (strongly), HbA1 and hypertension. The data were discussed related to data from the London, Berlin and Tokyo centres of the WHO Multinational Study of Vascular Disease in Diabetics, using the same study protocol in the present study.
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PMID:Prevalences of risk factors and angiopathy in diabetic patients in Uppsala. 152 37

The UK Prospective Diabetes Study (UKPDS) is a multi-centre, prospective, randomised, intervention trial of 5100 newly-diagnosed patients with Type 2 (non-insulin-dependent) diabetes mellitus which aims to determine whether improved blood glucose control will prevent complications and reduce the associated morbidity and mortality. Newly presenting Type 2 diabetic patients aged 25-65 years inclusive, median age 53 years, median body mass index 28 kg/m2 and median fasting plasma glucose 11.3 mmol/l, were recruited and treated initially by diet. Ninety five percent remained hyperglycaemic (fasting plasma glucose greater than 6 mmol/l) and were randomly allocated to different therapies. In the main randomisation, those who were asymptomatic and had fasting plasma glucose under 15 mmol/l were allocated either to diet policy, or to active policy with either insulin or sulphonylurea aiming to reduce the fasting plasma glucose to under 6 mmol/l. Over 3 years, the median fasting plasma glucose in those allocated to diet policy was 8.9 mmol/l compared with 7.0 mmol/l in those allocated to active policy. The Hypertension in Diabetes Study has been included in a factorial design to assess whether improved blood pressure control will be advantageous. Patients with blood pressure greater than or equal to 160/90 mm Hg were randomly allocated to tight control aiming for less than 150/85 mm Hg with either an angiotensin-converting enzyme inhibitor or a Beta-blocker or to less tight control aiming for less than 200/105 mm Hg. The endpoints of the studies are major clinical events which affect the life and well-being of patients, such as heart attacks, angina, strokes, amputations, blindness and renal failure. To date, 728 patients have had at least one clinical endpoint. Surrogate endpoints include indices of macrovascular and microvascular disease detected by ECG with Minnesota Coding, retinal colour photography and microalbuminuria. The studies also aim to evaluate potential risk factors for the development of diabetic complications such as smoking, obesity, central adiposity, plasma LDL- and HDL-cholesterol, triglyceride, insulin, urate and other biochemical variables. The studies are planned to terminate in 1994, with a median follow-up of 9 years (range 3-16 years) for the glucose study and 5 years (range 2-6 years) for the hypertension study.
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PMID:UK Prospective Diabetes Study (UKPDS). VIII. Study design, progress and performance. 177 53

The recurrence of benign intracranial hypertension (BIH) in 100 patients was analysed after a long-term follow-up. A recurrence appeared in 20% of the cases in this series. This being more frequent, with statistical significance, in females aged between 20-40 years. Obesity was the more frequent etiopathogenic factor involved in the onset of relapses. Other factors were pregnancy, steroid therapy, levothyroxine and obstruction of the cerebrospinal fluid derivation system. Relapses did not produce loss of sight. We insist on the elimination of developing factors in order to prevent the recurrence.
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PMID:[Recurrence of benign intracranial hypertension]. 195 78

Although the cause of IIH remains obscure, loss of visual function is common, and patients may progress to blindness. Diagnosis should adhere to the modified Dandy criteria. Recent case-control studies cast doubt on the validity of many frequently cited conditions associated with IIH. Valid associations include obesity, recent weight gain, female sex, vitamin A intoxication, and steroid withdrawal. Management should include serial perimetry using a sensitive disease-specific strategy so the proper therapy can be selected and visual loss prevented or reversed.
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PMID:Idiopathic intracranial hypertension. 201 Nov 12

Disorders of nutrition, prevalent in the Adrar (a region of Mauritania), as registered in the activities of care units in Atar and similar structures, involved in nutritional concerns are first, protein caloric malnutrition, with serious consequences in high infant mortality. Equally hazardous, Vitamin A deficiency results in serious ophthalmological complications (blindness). Anemia is a common problem among pregnant women. There is, moreover, obesity of a socio-cultural nature, whose pathological consequences should not be neglected. Target populations are children for malnutrition and vitamin deficiency, and adult women for obesity and anemia. In any case, it is in the wide-spread awareness of primary health care and community health that the disorders mentioned will be prevented.
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PMID:[Nutritional disorders and primary health care. Analysis and strategic approach in the Mauritanian Adrar region]. 207 52

Diabetes mellitus and hypertension constitute two powerful independent risk factors for cardiovascular, renal and atherosclerotic disease. The frequent occurrence of the two diseases in the same individual doubles the risk of cardiovascular death, as well as substantially increasing the frequency of transient ischemic attacks, strokes, peripheral vascular disease with lower extremity amputations, as well as end-stage renal disease and blindness. Although hypertension usually occurs in IDDM in association with renal disease, in NIDDM the evolution of hypertension appears to be multifactorial and independent of renal disease. Obesity appears to be dissociable from hypertension and NIDDM with a common link between obesity, hypertension and NIDDM appearing to be hyperinsulinism and insulin resistance. It has been suggested that hyperinsulinism and insulin resistance may lead to hypertension through altered intracellular calcium metabolism, enhanced renal sodium reabsorption, or through an effect of insulin upon lipid and/or catecholamine metabolism. Further, insulin itself may have a direct effect upon the atherosclerotic process in the hypertensive diabetic patient. These considerations have been taken into account in the structuring of antihypertensive therapy in Type I and Type II Diabetes Mellitus.
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PMID:Diabetes and hypertension. 207 56

Non-insulin-dependent diabetes mellitus (NIDDM) is characterized by insulin resistance and beta-cell dysfunction. This review focuses on the beta-cell, what defects occur when and why. Two major anatomic observations have been made in NIDDM. The beta-cell mass is mildly reduced, especially when obesity is taken into account. Also, amyloid deposits are frequently observed in the islets. It is unclear whether these changes are genetically mediated or result secondary to the loss of glucose homeostasis. Many studies have looked at some aspect of insulin secretion in NIDDM, and two types of distinct abnormalities have been described. Early on, there is a marked disruption in pulsatile insulin delivery, which is potentially an important contributor to the insulin resistance. It is unclear whether the loss of pulsatile delivery is acquired or genetically induced. Later, after glucose intolerance has started, several other secretory abnormalities develop coincident with loss of beta-cell glucorecognition. The net result is further deterioration in timing of insulin delivery and postprandial hyperglycemia. A second important consequence of the glucose blindness is that the inherent compensatory beta-cell mechanisms that guard against hyperglycemia are bypassed. We propose that the loss of glucose responsiveness is a direct result of an elevated glucose concentration (so-called glucotoxicity) and have generated substantial data in rat models that support this idea. The logical conclusion is that beta-cell function in NIDDM can be maximized by achieving the best metabolic control possible.
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PMID:Natural history of beta-cell dysfunction in NIDDM. 222 13

We report a case of Alstrom's syndrome with hypothyroidism in addition to the cardinal features of blindness, deafness, obesity, and insulin dependent diabetes mellitus. The parents were first cousins once removed which strengthens the case for autosomal recessive inheritance.
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PMID:Alstrom's syndrome: further evidence of autosomal recessive inheritance and endocrinological dysfunction. 223 54


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