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Query: UMLS:C0011849 (diabetes)
 277,896 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

When faced by an external aggression such as shock, sepsis, burns or surgery, the body develops a response, known as stress, comprising hypermetabolism and hypercatabolism related to an alteration in tissue sensitivity to insulin. This alteration seems to be rooted in the transmembrane protein GLUT-4 which takes care of the cell uptake of glucose in skeletal muscle. As a result, there are alterations in the metabolism of carbohydrates, fats and proteins (reduction of immunoglobulins). In the case of surgery, it has been shown that, on the one hand, factors such as rest, pre-operative fasting or the release of inflammatory response factors constrain an even greater alteration in the sensitivity to insulin; and on the other hand that the degree of resistance to insulin depends on the magnitude of the surgery, its duration, bleeding, or on hypothermia and extracorporeal circulation in the case of heart surgery. These metabolic alterations may lead to an increase in the number of infections, mean stay in hospital, and even lead to diabetes mellitus in the long term. Over the last few years, all of this has led several researchers to try to minimize the stress response associated with planned surgery through replacing pre-operative fasting by the administration of carbohydrates, whether or not in association with insulin in perfusion. Beneficial results have been described: control of hyperglycaemia, lower consumption of neoglycogenic amino acids and less alteration of plasma immunity (interleukins, TNF). Future studies will evaluate the influence of these measures on plasma immunity, mean hospital stay and morbidity/mortality.
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PMID:[Metabolic response to stress, can we control it?]. 1121 95

Aggressive lipid management is likely beneficial for coronary artery disease patients with diabetes mellitus or of advanced age. Nevertheless, a study of a large national sample of patients seen in ambulatory medical practices suggests pharmacologic undertreatment in these high-risk groups.
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PMID:Lipid management among coronary artery disease patients with diabetes mellitus or advanced age. 1123 Aug 56

Multidirectional studies estimating the alterations of cellular immune system in the preclinical phase of type 1 diabetes mellitus create the possibilities for better understanding the mechanisms of the auto-aggression process leading to the pancreatic beta cells destruction and insulin-dependent diabetes mellitus development. In the present review we analyse the recent studies concerning the alterations of the cellular immune markers (ex. peripheral blood lymphocytes subsets, cytokines production or adhesion molecules expression, etc...), which could reflect an early stages of autoimmune process and better identify people at risk of type 1 diabetes mellitus. In summary we suggest that the measurements of new immune markers of prediabetes, together with the estimation of the pancreatic auto-antibodies, genetic risk and age of the studied subjects give the possibility for the better early diagnosis of the people at high risk of type 1 diabetes mellitus development. There is an increasing hope that these markers are useful for the estimation of the efficacy of the preventive therapeutic procedures aiming to type 1 diabetes mellitus protection.
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PMID:[Immune markers in preclinical phases of diabetes type 1. Role of cytokines, adhesion molecules and peripheral blood lymphocyte subpopulations in the pathogenesis and prediction of insulin-dependent diabetes]. 1139 99

Even though Mg is by far the least abundant serum electrolyte, it is extremely important for the metabolism of Ca, K, P, Zn, Cu, Fe, Na, Pb, Cd, HCl, acetylcholine, and nitric oxide (NO), for many enzymes, for the intracellular homeostasis and for activation of thiamine and therefore, for a very wide gamut of crucial body functions. Unfortunately, Mg absorption and elimination depend on a very large number of variables, at least one of which often goes awry, leading to a Mg deficiency that can present with many signs and symptoms. Mg absorption requires plenty of Mg in the diet, Se, parathyroid hormone (PTH) and vitamins B6 and D. Furthermore, it is hindered by excess fat. On the other hand, Mg levels are decreased by excess ethanol, salt, phosphoric acid (sodas) and coffee intake, by profuse sweating, by intense, prolonged stress, by excessive menstruation and vaginal flux, by diuretics and other drugs and by certain parasites (pinworms). The very small probability that all the variables affecting Mg levels will behave favorably, results in a high probability of a gradually intensifying Mg deficiency. It is highly regrettable that the deficiency of such an inexpensive, low-toxicity nutrient result in diseases that cause incalculable suffering and expense throughout the world. The range of pathologies associated with Mg deficiency is staggering: hypertension (cardiovascular disease, kidney and liver damage, etc.), peroxynitrite damage (migraine, multiple sclerosis, glaucoma, Alzheimer's disease, etc.), recurrent bacterial infection due to low levels of nitric oxide in the cavities (sinuses, vagina, middle ear, lungs, throat, etc.), fungal infections due to a depressed immune system, thiamine deactivation (low gastric acid, behavioral disorders, etc.), premenstrual syndrome, Ca deficiency (osteoporosis, hypertension, mood swings, etc.), tooth cavities, hearing loss, diabetes type II, cramps, muscle weakness, impotence (lack of NO), aggression (lack of NO), fibromas, K deficiency (arrhythmia, hypertension, some forms of cancer), Fe accumulation, etc. Finally, because there are so many variables involved in the Mg metabolism, evaluating the effect of Mg in many diseases has frustrated many researchers who have simply tried supplementation with Mg, without undertaking the task of ensuring its absorption and preventing excessive elimination, rendering the study of Mg deficiency much more difficult than for most other nutrients.
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PMID:The multifaceted and widespread pathology of magnesium deficiency. 1142 81

Managing hypertension is a complex undertaking, where even the definition of the disorder is subject to discussion. Recently, there has been controversy concerning the most appropriate measure to determine health risks associated with hypertension. In the past, diastolic blood pressure (DBP) was the prime measure for defining hypertension, but currently systolic blood pressure (SBP) and pulse pressure have gained favor. Evidence now suggests that all three measures should be considered as part of the hypertensive profile, with the patient's age determining the relative importance of each. Aggressive treatment of hypertension may reduce morbidity and mortality. Data from trials clearly indicate that, for all stages of hypertension, the goal should be a maximum SBP of <150 mm Hg and a DBP of <90 mm Hg, with DBP values as low as 70 mm Hg being safe. For individuals with diabetes mellitus, these target values should be even lower--SBP <140 mm Hg and DBP <80 mm Hg. As a significant number of deaths attributable to hypertension occur in patients who are not diagnosed as hypertensive but whose blood pressure (BP) is above the optimal level of 120/80 mm Hg, lowering BP levels in this group is recommended as well, with lifestyle modification being first-line therapy. Because controlling BP to <140/90 mm Hg often requires the use of two or three agents, the tolerability of the entire regimen must be considered. However, with the multitude of antihypertensive drugs currently available, no patient's BP should remain above the 150/90 mm Hg level.
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PMID:Clinical overview of hypertension and emerging treatment considerations. 1145 10

Metformin is an oral hypoglycemic agent belonging to the class of biguanides that are commonly used in the treatment of type II diabetes mellitus. Lactic acidosis is a rare but severe adverse reaction that occurs primarily in patients with contraindications such as renal failure. The case of a 71-year-old woman with type II diabetes, in whom severe metformin-associated lactic acidosis was precipitated by acute renal failure in the absence of pre-existing chronic renal failure or other absolute contraindications to biguanide use, is presented. Aggressive correction of the acidosis and prolonged dialysis resulted in a favourable outcome despite severe acidosis. The present case report shows that metformin-associated lactic acidosis can occur in patients without pre-existing renal insufficiency. Metformin should be temporarily stopped when acute renal failure occurs or is anticipated.
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PMID:Metformin-associated lactic acidosis in a low risk patient. 1149 39

Type 2 diabetes is a complex metabolic disorder characterized by elevated blood glucose levels and a marked increase in the risk of cardiovascular disease (CVD). The increased CVD risk is caused by a unique cluster of metabolic abnormalities, including dyslipidemia, hypertension, insulin resistance, and hyperglycemia. To reduce the risk of cardiovascular complications in patients with type 2 diabetes, comprehensive management of risk factors is essential. Aggressive treatment of dyslipidemia and hypertension is known to benefit patients with type 2 diabetes. In addition, intensive glycemic control and targeted treatment of insulin resistance can further reduce the enormous burden of CVD in this high-risk population. Increasing evidence suggests that insulin resistance is one of the earliest markers of risk for both CVD and diabetes, and it is known that insulin resistance alone can significantly increase the risk of CVD. Type 2 diabetes and insulin resistance are both associated with disordered lipid metabolism, manifest in elevated triglyceride levels, low levels of high-density lipoprotein cholesterol, and small, dense low-density lipoprotein cholesterol particles. Patients with type 2 diabetes and insulin resistance have an increased risk of hypertension, which further contributes to their CVD risk. Each of these factors can also contribute to the risk of microvascular disease. To ensure that patients with type 2 diabetes receive comprehensive, high-quality care, specific standards have been developed. These standards can help providers establish clear treatment targets, identify specific priorities of care, and use therapies of known efficacy to reduce the risk of complications. This review summarizes the current standards of care for patients with type 2 diabetes, with an emphasis on treatments that reduce the cardiovascular risk factors. Using a case study approach, it reviews the essential components of diabetes care and proposes a rational approach to these complex cases--an approach that should result in consistent, high-quality care.
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PMID:Comprehensive management of patients with type 2 diabetes: establishing priorities of care. 1151 98

Histologic features associated with secondary hyperparathyroidism remain the predominant skeletal lesion in adults and children with chronic renal failure. When instituted early, vitamin D therapy has been shown to ameliorate the development and progression of the biochemical, radiographic, and histologic evidence of secondary hyperparathyroidism in patients with chronic renal insufficiency. Aggressive parathyroid hormone suppression, however, has led to the increased prevalence of adynamic bone. Adynamic bone has been attributed partly to aggressive calcitriol therapy, administration of high amounts of exogenous calcium either as a phosphate binding agent or during dialysis therapy, presence of diabetes, older age, or previous parathyroidectomy. Several vitamin D analogues are currently being evaluated in patients with chronic renal failure to prevent complications associated with calcitriol therapy. In addition, calcium-free phosphate binding agents and the use of calcimimetic drugs may play a significant role in the effective management of secondary hyperparathyroidism in children with chronic renal failure.
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PMID:Prevention and treatment of renal osteodystrophy in children with chronic renal insufficiency and end-stage renal disease. 1155 85

To assess clinical outcomes and lifestyle modifications in diabetic patients attending a standard cardiac rehabilitation programme following myocardial infarction (MI), a retrospective longitudinal study was undertaken in a district general hospital in the north west of England. A total of 1804 patients attended the cardiac rehabilitation programme over 10 years, of whom 223 (12.4%) had diabetes mellitus. Drugs were underprescribed in all patients, aspirin and beta-blockers especially in diabetics (75.3% vs 90.3%, p < 0.0001; 38.6% vs 60.8%, p < 0.0001). Smoking cessation was poor in diabetics (54.2% vs 69.1%, p < 0.003) and diabetics were less likely to attend at least one session of physiotherapy (26.9% vs 58.6%, p < 0.0001). Diabetics had higher mortality at one year (15.7% vs 5.6%; p < 0.0001), mostly associated with cardiovascular disease (13.4% vs 5.4%, p < 0.0001). Standard cardiac rehabilitation programmes appear to be less effective for patients with diabetes mellitus. We suggest that patients presenting with an existing chronic condition need specialised programmes of rehabilitation to integrate the care of that condition with their recent MI. Aggressive drug therapy following acute MI should also be prescribed in all patients when not contraindicated by other evidence.
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PMID:Standard cardiac rehabilitation is less effective for diabetics. 1159 53

Atherosclerosis kills more patients with diabetes than all other causes combined. Treatment must be focused on several targets: glycemic control, bulk reductions of LDL cholesterol, and shifting LDL particle size. Aggressive treatment and reversal of dyslipidemias is a proven prevention for coronary events in patients with type 2 diabetes. Glycemic control with diet, oral hypoglycemic agents, and insulin, when necessary, is often only partially effective in normalizing lipid values in type 2 diabetes. Intensive treatment with lipid-regulating agents, particularly statins, is often necessary to normalize diabetes-associated dyslipidemias. Statins are also the only agents thus far shown in prospective, controlled trials to reduce the risk of coronary events in diabetic patients definitively.
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PMID:Treatment of dyslipidemia in diabetes. 1172 8


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