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Query: UMLS:C0011860 (type 2 diabetes)
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Diabetes mellitus is a disease with major long-term implications, not only for the health and well-being of affected individuals, but also for costs to the National Health Service. Treatment of the disease and its complications takes up 4-5% of total health care expenditure in the U.K. These costs are dominated by in-patient care for the complications arising from diabetes. This paper presents a review of studies which have been carried out on the costs of diabetes and its complications. For such a chronic and potentially disabling disease with numerous complications it is surprising that costs have not been more extensively researched. A large amount of data are available about the implications of diabetes in terms of incidence and prevalence, but few costs have been collected, particularly indirect and marginal costs. Both insulin dependent (IDDM) and non-insulin dependent (NIDDM) diabetic patients exhibit similar complications so that the cost of treatment may be comparable, but further studies are needed to establish this. In addition, few studies have included diabetes as a secondary diagnosis. The studies which are available have tended to focus on direct costs, for example, the costs of hospital care, consultations and drugs, because they are the easiest to measure. Fewer studies have included indirect costs, such as the effect of time lost from work, early retirement and premature death, because of the difficulties in assigning monetary values to these factors. The most important contributors to the costs of diabetes are those of treating complications such as eye and limb disease, heart disease, neuropathy and nephropathy.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:The costs of diabetes and its complications. 143 13

Coronary heart disease risk factor levels were studied in 184 first-degree relatives (sisters and brothers) of non-insulin-dependent diabetic subjects (124 relatives with normoglycemia, 34 relatives with impaired glucose tolerance [IGT], and 26 relatives with non-insulin-dependent diabetes mellitus [NIDDM]) and in 215 relatives of nondiabetic subjects (194 relatives with normoglycemia and 21 relatives with IGT). Subjects with IGT exhibited the highest insulin responses to an oral glucose load. Systolic blood pressure was significantly higher; serum high density lipoprotein cholesterol level was significantly lower; and total, low density lipoprotein, and very low density lipoprotein triglyceride levels were higher in the relatives with a family history of diabetes who had IGT or NIDDM than in the normoglycemic relatives without a family history of diabetes. These abnormal changes were not seen in normoglycemic relatives or relatives with IGT who had no family history of NIDDM. Thus, in relatives of diabetics, abnormal glucose tolerance seems to induce changes in cardiovascular heart disease risk factor levels that are similar to those observed in NIDDM. Therefore, a family history of diabetes adds substantially to the risk for atherosclerosis, particularly in subjects with IGT.
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PMID:Early abnormalities in coronary heart disease risk factors in relatives of subjects with non-insulin-dependent diabetes. 159 Dec 29

Thirty-one diabetic subjects, 19 males and 12 females, with a mean age of 40.5 +/- 14.0 years, 17 of whom were insulin dependent (IDDM) and 14 non-insulin dependent (NIDDM) treated with insulin and diet, were followed for a period of six months. Patients were diagnosed of diabetic autonomic cardiopathy (without other neuropathy causes, nor use of drugs except for insulin) by the alteration of at least 2 of the 5 cardiovascular tests (tCV) performed. Patients underwent an educational diabetes program and self-control, and after 6 months of treatment they were divided into two groups according to the degree of metabolic control. In group 1, in which there was a good control with mean blood sugar levels of 108 +/- 12 mg/dl (5.9 +/- 0.6 mmol/l) and triglycerides of 101 +/- 21 (1.1 +/- 0.2 mmol/l), an improvement in tCV was observed: Valsalva coefficient of 1.16 +/- 0.13 and 1.22 +/- 0.13 (initial and final respectively) (p less than 0.001), with and improvement in 56% of cases; E/I (expiration/inspiration) ratio increased from 1.13 +/- 0.11 to 1.21 +/- 0.11, improving 53% of cases (p less than 0.001); 30/50 index (RR in 30/RR beat in beat 15 after orthostatism) (n.s.); difference in systolic arterial pressure after standing (p less than 0.001) and increase in diastolic arterial pressure with isometric muscular exercise (p less than 0.01).(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:[Course of cardiac autonomic neuropathy in diabetic patients++ depending on the degree of metabolic control]. 178 79

A prospective study to determine if subcutaneous edema interferes with insulin absorption was performed. Forty-six patients entered the study. Three groups were formed. Twenty patients with generalized edema (Group 1), ten of them with non-insulin dependent diabetes mellitus (NIDDM). Twenty patients without edema (Group II). 10 of them with NIDDM; and six patients with mild edema (Group III). The disappearance of I125-insulin was measured throughout 360 minutes. The rate of absorption in group I was significantly lower and delayed than in group II. The amount of insulin absorbed at 360 minutes was 3 to 4 fold lower in group I than in group II (p 0.001). Group III had intermediate values. The peak of plasma I125-insulin level was 3 to 4 fold lower in group I than group II. The impairment of insulin absorption in subjects with edema was more evident in those with NIDDM. In conclusion, this study demonstrates that subcutaneous edema impairs insulin absorption. Insulin absorption from subcutaneous tissue varies due to several conditions, resulting in a difficult glycemic control. Previous studies have shown that insulin absorption is affected by several factors as the site of injection, room and skin temperature, physical exercise, the thickness of adipose tissue, local massage, and local degradation of insulin. Edema due to chronic complications such as nephropathy and cardiopathy often occurs in long-standing diabetic subjects. However, the effects of edema of the skin and subcutaneous tissue on insulin absorption has not been previously examined. The aim of this study was to assess if edema affects the absorption of insulin.
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PMID:Delayed insulin absorption due to subcutaneous edema. 181 99

A follow-up study of 1939 diabetic patients with a mean observation period of 9.4 years was carried out in Osaka, Japan. The mortality rates per 1000 person-years were 31.35 for males and 21.99 for females, and the ratios of observed to expected number of deaths were 1.69 for males and 1.74 for females, indicating an excess mortality for diabetic patients of both sexes and higher mortality in males than in females in Japan. Factors related to the prognosis of the patients were age, elevated fasting glucose level, lower obesity index, hypertension, diabetic retinopathy, and albuminuria at entry to the study. Insulin treatment was also associated with poor prognosis. Cerebro-cardiovascular and renal disease were the major causes of death in diabetic patients; heart disease killed 19.5%, cerebrovascular disease 16.7% and renal disease 13.1%. The relatively high frequency of renal disease as a cause of death in type 2 diabetes, especially in patients with a lower age of onset, was noteworthy, suggesting some difference in the clinical manifestations of diabetes between Japan and Western countries. Malignant neoplasms accounted for 25% of deaths, and cirrhosis of the liver for 6.4%.
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PMID:Mortality and causes of death in type 2 diabetic patients. A long-term follow-up study in Osaka District, Japan. 275 88

From a telephone survey of the health status of a random sample of the general population of Utah, we identified 255 people with adult onset diabetes. We compared them to 622 non-diabetic controls, matched for age, sex, and urban/rural country of residence. We examined diabetes as a risk factor for heart diseases, stroke, and blindness and its interaction with other known risk factors. Diabetes interacted with smoking history so as to increase the risk of stroke, heart disease, and blindness. Diabetes also interacted with hypertension in their effect on the prevalence of blindness and, to a small extent, heart disease. Among the diabetics, duration of diabetes was associated with macrovascular and microvascular complications developing after the diagnosis of diabetes. Those with longer duration of disease showed an increase in risk for microvascular (kidney disease, blindness) and macrovascular (heart disease, stroke, amputations) complications. Although the estimates were imprecise, the effect of duration on macrovascular complications was greater among diabetics with a history of hypertension; the effect on microvascular complications was greater among smokers. The findings are compared to previous studies and the utility of diabetes prevalence data is discussed.
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PMID:Diabetes in Utah among adults: interaction between diabetes and other risk factors for microvascular and macrovascular complications. 340 19

Serum immunoglobulin (G, A, M) levels were performed on 66 patients with non-insulin-dependent (type II) diabetes mellitus (NIDDM). When compared with 30 age-matched normal controls and 32 hospitalized controls there was no significant difference between the mean IgG and IgM levels. The IgA levels were significantly higher (P less than 0.005) in the diabetic group when compared with both control groups. This is true regardless of age, sex, duration of disease, and type of treatment (insulin/diet or oral hypoglycemic agents and/or diet). Thirty-six percent of the diabetic patients' IgA levels exceeded the mean +/- 2 SD of the normal control group. There were no significant differences in immunoglobulin levels between insulin-treated and non-insulin-treated diabetic groups. Since diabetic patients may have a number of secondary diseases, attempts were made to correlate the most common of these (acute and/or chronic bacterial infections, hypertension, arteriosclerotic heart disease, and diabetic neuropathy) with elevated IgA levels. Only IgA levels of diabetic patients with infections versus diabetic patients without infections were significantly different (P less than 0.05). However, IgA levels of uninfected diabetic patients remained significantly higher than those of normal controls (P less than 0.005), hospitalized controls (P less than 0.01), and hospitalized controls with bacterial infections (P less than 0.005). Possible reasons for the isolated elevations of IgA are discussed.
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PMID:Elevation of IgA levels in the non-insulin-dependent (type II) diabetic patient. 675 40

Considerable evidence indicates that obesity, and in particular abdominal obesity, is a risk factor for both heart disease and non-insulin dependent diabetes mellitus. In spite of this, little is known of the regulation of triacylglycerol synthesis in adipose tissue other than by insulin. Acylation stimulating protein (ASP), a human plasma protein, stimulates triacylglycerol synthesis in adipose tissue and is also produced by human adipocytes. ASP may play a physiological role in the regulation of efficiency of adipose tissue fat storage and affect clearance of triglycerides from plasma.
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PMID:The acylation stimulating protein-adipsin system. 755 May 36

Rates of both type 2 diabetes and cardiovascular disease have risen sharply in recent years among Navajo Indians, the largest reservation-based American Indian tribe, but the association between the two conditions is not entirely clear. Rates of cardiovascular disease and some possible associations in several hundred diabetic and non-diabetic Navajos were estimated. Nearly one-third (30.9 percent) of those with diabetes had formal diagnoses of cardiovascular disease--25.3 percent had heart disease, 4.4 percent had cerebrovascular disease, and 4.1 percent had peripheral vascular disease. (The percentages exceed the total because some people had more than one diagnosis. Age-adjusted rates were 5.2 times those of nondiabetics for heart disease, 10.2 times for cerebrovascular disease, and 6.8 times for peripheral vascular disease. Accentuation of risk was most marked in young diabetics and in female diabetics. Hypertensive diabetics had a twofold increase in heart disease and more than a fivefold increase in cerebral and peripheral vascular disease over nonhypertensive diabetics. Age, blood pressure, cholesterol levels, and albumenuria were independent risk factors for cardiovascular disease. Triglyceride levels or body weight were not. Male sex and diabetes duration were independent risk factors for cerebral and peripheral vascular disease but not for heart disease. In view of the impressive segregation of cardiovascular disease in the diabetic Navajo population, the prevention of diabetes through population-based health promotion seems basic to its containment. Over the short term, vigorous treatment of hypertension in subjects who are already diabetic is mandatory.
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PMID:Cardiovascular disease in Navajo Indians with type 2 diabetes. 783 49

A cross-sectional study of 1385 Saudi females attending 15 health centres in urban and rural areas in the Riyadh region was conducted during September and October 1992 to determine the prevalence of obesity and its associated factors. The mean age was 32.2 +/- 11.7 years and body mass index (BMI) 29.2 +/- 7.0 kg m-2. Only 26.1% of subjects were their ideal weight (BMI < 25 kg m-2), while 26.8% were overweight (BMI 25-29.9 kg m-2), 41.9% were moderately obese (BMI 30-40 kg m-2) and 5.1% were morbidly obese (BMI > 40 kg m-2). High-risk groups for obesity were mostly middle aged, multiparous housewives. Patients living in rural areas had greater BMIs than those living in urban areas (P < 0.01). Thirty per cent of overweight participants did not think they were overweight. The study emphasizes the need for community based programmes for preventing and reducing obesity since weight control is effective in ameliorating most of the disorders associated with obesity such as Type 2 non-insulin dependent diabetes mellitus, hypertension, stroke, heart disease, sleep apnoea syndrome and osteoarthritis of the knees. The focus of efforts should be directed towards young mothers who are at risk of developing obesity and who play a central role in perpetuating it in their offspring.
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PMID:High prevalence of clinical obesity among Saudi females: a prospective, cross-sectional study in the Riyadh region. 800 60


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