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Query: UMLS:C0948265 (metabolic syndrome)
 24,271 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Diabetes mellitus is very common in older persons. Changes in exercise habits, body habitus, leptin, amylin, tumor necrosis factor alpha, and nitric oxide all play a role in the pathogenesis of age-related insulin resistance. In older persons elevated glucose levels not only produce retinopathy, neuropathy, and nephropathy but also decrease quality of life, pain tolerance, cognition, and functional status and increase injurious falls, nocturia, incontinence, pressure ulcers, and orthostatic hypotension. The availability of multiple new therapies has enhanced the ability of physicians to improve glycemic control in older persons without unacceptable levels of hypoglycemia. Caregivers play an important role in the management of older diabetics. Depression increases mortality rate and hospital admissions in older diabetics. In many nursing homes the quality of diabetic care is marginal. A new causative theory of the metabolic syndrome involving cytokines and nitric oxide-the NO cytokine theory-is proposed.
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PMID:An overview of diabetes mellitus in older persons. 1033 29

Three categories of highly active antiretroviral therapy (HAART)-associated major toxic effects have been identified: nucleoside-related toxic effects (e.g., neuropathy, myopathy, pancreatitis, hepatic steatosis, lactic acidosis, and possibly lipoatrophy), metabolic complications (e.g., fat redistribution, insulin resistance, and hyperlipidemia), and bone disease (e.g., osteopenia and/or osteoporosis). The toxic effects caused by nucleosides are hypothesized to be a result of mitochondrial injury and include myopathy, pancreatitis, liver failure, and lactic acidosis. Alterations in lactic acid metabolism range from common instances of asymptomatic lactic acidemia to rare occurrences of life-threatening lactic acidosis with hepatic steatosis. A metabolic syndrome consisting of lipodystrophy (i.e., fat redistribution), hyperlipidemia and insulin resistance has been observed, particularly with protease inhibitor treatment. Some additive interaction between protease inhibitors and nucleosides has also been described. The potential relationship of these metabolic abnormalities to increased risk of cardiovascular disease and diabetes has broad implications on long-term patient management. Lipodystrophy associated with HAART is generally accompanied by potentially serious abnormalities, including dyslipidemia (i.e., hypercholesterolemia and hypertriglyceridemia) and altered glucose metabolism (i.e., insulin resistance). Regimens of HAART may have adverse effects on bone metabolism, as indicated by emerging reports of osteopenia, osteoporosis, and avascular necrosis.
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PMID:Long-term exposure to lifelong therapies. 1183 99

Type 2 diabetes mellitus (DM) has traditionally been considered a disease of adults. However, in the last 2 decades, it is increasingly being reported in children and adolescents. Obesity is a strong correlate, and the increasing prevalence of obesity and poor physical activity is precipitating type 2 DM at younger ages in the ethnic groups at risk. Indians and other South Asians are among the ethnic groups particularly prone to insulin resistance and type 2 DM, the other racial groups being some American Indian tribes like the Pima Indians, Mexican Americans,Pacific Islanders and African Americans,among others. The WHO has predicted that India will have the greatest number of diabetic individuals in the world by the year 2025. Type 2 DM starting during adolescence puts the individual at risk for major morbidity and even mortality right during the productive years of life. The microvascular complications of DM (nephropathy, retinopathy, neuropathy) are brought on at an early age. In addition, type 2 DM and obesity are two components of a metabolic syndrome of insulin resistance, the other features of which include hypertension, dyslipidemia and hypercoagulability of blood. All these conditions together increase the risk for cardiovascular and cerebrovascular mortality and morbidity (i.e., myocardial infarction and stroke). The resulting economic burden will be enormous. Type 2 DM and the insulin resistance syndrome are to a large extent preventable. Adoption of a healthy eating and physical activity pattern has resulted in decreasing the development of DM in a few recent studies from various parts of the world. A concerted,multi-pronged effort is needed, involving the general public, pediatricians and general physicians, teachers and schools, the media,the government and professional medical bodies, to generate a momentum towards the goal of prevention of type 2 DM and the insulin resistance syndrome in the young population of India.
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PMID:IAP National Task Force for Childhood Prevention of Adult Diseases: insulin resistance and Type 2 diabetes mellitus in childhood. 1518 Dec 95

Type 2 diabetes is associated with serious microvascular complications, such as nephropathy, retinopathy, and neuropathy, which have a significant impact on patients' quality of life, morbidity, and mortality. Type 2 diabetes management strategies to reduce the risk of microvascular complications include treatment of hyperglycaemia, hypertension, and other vascular risk factors. The importance of glycaemic control in reducing the risk of microvascular complications of diabetes is well established. However, many antihyperglycaemic therapies fail to provide adequate glycaemic control and do not prevent complications in the long term. The thiazolidinediones (TZDs) are a class of agents that provide sustained glycaemic control, mediated primarily by reductions in insulin resistance. Evidence reviewed suggests that the TZDs may have the potential to reduce microvascular complications through benefits that go beyond glycaemic control. Insulin resistance underlies a range of metabolic abnormalities, collectively known as the metabolic syndrome (MS), which are cardiovascular (CV) risk factors. Components include visceral obesity, hyperglycaemia, hypertension, dyslipidaemia, low-grade inflammation and microalbuminuria (an early manifestation of target organ damage). Reducing insulin resistance, therefore, has the potential to reduce both microvascular and macrovascular complications.
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PMID:Thiazolidinediones-benefits on microvascular complications of type 2 diabetes. 1586 64

The high sensitivity C-reactive protein (hsCRP) is known to be a sensitive predictor of coronary heart disease and type 2 diabetes. This study evaluated the association between the serum hsCRP and the components of metabolic syndrome (MS) and microvascular complications in type 2 diabetes. Two hundred and sixty-nine patients with type 2 diabetes were enrolled. All the subjects underwent measurement of MS and carotid intima-media thickness (IMT). The serum hsCRP concentrations and the 24 h urine albumin excretion amounts were measured. Ophthalmoscope examinations and nerve conduction velocity tests were performed to evaluate microvascular complications. The hsCRP was significantly higher in the patients with MS than in those without (p=0.019). The serum hsCRP was significantly correlated with all the components of MS. There were no differences between the serum hsCRP levels of those with and without retinopathy and neuropathy. The serum hsCRP was correlated with the 24 h urine albumin excretion amount. Serum hsCRP level has a significant correlation with MS and might be used as the future criteria of MS. Among microvascular complications, only diabetic nephropathy is associated with the serum hsCRP level. It suggests that the inflammatory process plays a role in nephropathy in type 2 diabetes.
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PMID:Relationship of serum high sensitivity C-reactive protein to metabolic syndrome and microvascular complications in type 2 diabetes. 1600 64

Stroke and peripheral neuropathy are recognized neurological complications of diabetes. Increasing epidemiological evidence also implicates the prediabetic state of impaired glucose tolerance (IGT) as a risk factor for cerebrovascular events and peripheral neuropathy. Data linking IGT to cognitive decline or deficits, however, are less robust. IGT is one component of metabolic syndrome, together with central obesity, hypertension, hypertriglyceridemia and reduced HDL. Each component of metabolic syndrome is an independent risk factor for stroke, but hyperglycemia might be more important than other components in the pathogenesis of neuropathy. Goal-driven diet and exercise regimens, together with pharmacological treatment of hyperlipidemia and hypertension, reduce stroke risk, but the effect of these interventions on neuropathy has not been fully explored.
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PMID:Therapy insight: neurological complications of prediabetes. 1693 64

Carpal tunnel syndrome (CTS) is the most common entrapment neuropathy. Many factors such as diabetes mellitus, hypothyroidism, hormonal replacement therapy, corticosteroid use, rheumatoid arthritis and wrist fractures may cause CTS. Metabolic syndrome includes abdominal obesity, dyslipidemia, hyperglycemia, and hypertension that may cause CTS. In this study, we aimed to evaluate the relation between CTS and metabolic syndrome. We studied 107 (96 female and 11 male) right-handed patients who had a clinical and electrophysiologically confirmed diagnosis of CTS. We then divided the patients into two groups (patients with and without metabolic syndrome) according to the criteria of ATP III definition. Eighty (75%) of the patients with CTS had metabolic syndrome. Among the 80 patients with metabolic syndrome, CTS was found in 150 hands (43 mild, 58 moderate and 49 severe cases). Among the 27 patients without metabolic syndrome, CTS was found in 43 hands (27 mild, 14 moderate and 2 severe cases). The electrophysiological parameters (median nerve distal motor latency, median nerve motor amplitude, median nerve motor conduction velocity, median nerve sensory onset latency, median nerve sensory amplitude and median nerve sensory conduction velocity) were worse in patients with metabolic syndrome (P < 0.05). In conclusion, metabolic syndrome was found to be three times more common in patients with CTS and CTS was more severe in patients with metabolic syndrome when compared with those without metabolic syndrome.
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PMID:Carpal tunnel syndrome and metabolic syndrome. 1766 97

Convention partitions the complications of diabetes into two main subtypes. First are the diabetes-specific microvascular complications of retinopathy, nephropathy and neuropathy; second are the atherothrombotic macrovascular complications that account for the majority of premature deaths. Pathological interactions between microvascular and macrovascular complications, for example, nephropathy and macrovascular disease, are common. Similar mechanisms and shared risk factors drive the development and progression of both small and large vessel disease. This concept has therapeutic implications. Mounting evidence points to the need for multifactorial strategies to prevent vascular complications in subjects with diabetes and/or the metabolic syndrome. We advocate a combined therapeutic approach that addresses small and large vessel disease. Preferential use should be made of drug regimens that (i) maximize vascular protection, (ii) reduce the risk of iatrogenic vascular damage and (iii) minimize the increasing problem of polypharmacy.
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PMID:Interactions between microvascular and macrovascular disease in diabetes: pathophysiology and therapeutic implications. 1792 62

The aim of this study was to evaluate the relationship between the diagnosis of metabolic syndrome (MetS) or its components and the prevalence of microvascular and macrovascular complications in 130 Japanese type 2 diabetic patients. Out of the 130 patients, 58.5% satisfied the criteria of the MetS as defined by the IDF guideline. The results of logistic regression analysis with adjustment for three variables (age, gender and duration of diabetes) revealed that the presence of MetS as defined by the IDF guideline was not independently related to the presence of proliferative retinopathy, proteinuria, neuropathy, or macrovascular disease in the diabetic patients. The waist circumference per se was not associated with diabetic neuropathy, retinopathy, nephropathy, or macrovascular diseases. These results suggest that neither the presence of MetS, as defined by the IDF guideline, nor the waist circumference was associated with the presence of either microvascular or macrovascular complications in Japanese type 2 diabetic patients.
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PMID:Neither the presence of metabolic syndrome as defined by the IDF guideline nor an increased waist circumference increased the risk of microvascular or macrovascular complications in Japanese patients with type 2 diabetes. 1820 78

Length-dependent polyneuropathy has long been recognized as a frequent complication of diabetes. A decade of observational and epidemiologic studies support the concept that intermittent hyperglycemia or insulin resistance associated with prediabetes may be sufficient to damage distal nerves. Features of the metabolic syndrome have been implicated as independent neuropathy risk factors in large population-based studies of diabetic patients. Preferential injury to small unmyelinated nerves is suggested by prominent neuropathic pain, predominant sensory injury, and early autonomic dysfunction. Small uncontrolled trials suggest that diet and exercise may transiently improve distal nerve function and neuropathy symptoms in these patients. Patients with prediabetes neuropathy may permit greater insight into the balance between distal axonal injury and nerve regenerative capacity that determines neuropathy progression, and will be good candidates for evaluation of rational therapy based on known pathophysiology of hyperglycemic neuropathy.
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PMID:Neuropathy associated with prediabetes: what is new in 2007? 1825 3


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