802 resultados para Diabetes Mellitus Experimental
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Background: To evaluate waist circumference (WC) measured at 20-24 weeks of gestation as a predictor of gestational diabetes mellitus (GDM).Methods: This cross-sectional study included 240 women at 20-24 weeks of gestation. At enrollment, WC was measured, and both prepregnancy and gestational body mass index (BMI) were estimated. According to the results of 75-g oral glucose tolerance test (OGTT) performed at 24-28 weeks, subjects were allocated into two groups, non-GDM and GDM. WC sensitivity and specificity, and odds ratios (OR) and 95% confidence intervals for BMI and WC were estimated, and a receiver operating characteristics curve was generated.Results: Of the 240 pregnant women enrolled, 31 (13%) had GDM. Prepregnancy BMI (OR = 4.21), gestational BMI (OR = 3.17) and WC at 20-24 weeks (OR = 4.02) correlated with GDM risk. At 20-24 weeks, a WC of 85.5-88.5 cm was the optimal cutoff point for predicting GDM (Sens/Spec balance between 87.1/41.1% and 77.4/56.9%).Conclusion: At 20-24 weeks of gestation, WC values in the range of 86-88 cm showed to be a good performance in predicting GDM.
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Odontologia - FOAR
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Diabetes mellitus is one of the most common endocrinopathies among dogs characterized by hyperglycemia and if not treated properly can be fatal. It occurs by an absolute or relative insulin deficiency, which alters the metabolism of carbohydrates, lipids and proteins Complications such as cataracts, recurrent infections, pancreatitis and ketoacidosis can arise with the development of the disease. Recognizing these will help the diagnosis, once in some dogs it is not always detected the classical signs of polyuria, polydipsia, polyphagia and weight loss
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The present study aimed to analyze the effects of exercise performed at aerobic/anaerobic transition on non-alcoholic hepatic steatosis (NAHS) markers in diabetic rats. Adult (60 days) male Wistar rats were divided into 4 groups: sedentary control (SC), trained control (TC), sedentary diabetic (i.v. alloxan injection) (SD) and trained diabetic (TD). At the beginning of the experiment, all the animals were submitted to maximal lactate steady state test (MLSS) in order to identify the aerobic/anaerobic metabolic transition during swimming exercise. The trained groups were submitted to swimming, supporting overloads (% of body weight – b.w.) equivalent to MLSS intensity, 1h/day, 5 days/week, during 8 weeks. We analyzed: serum ALT, AST, albumin, glucose and free fat acids (FFA), body weight and total lipid concentrations in the liver. The diabetic groups showed higher (ANOVA two-way, p<0.05) serum glucose (SD=200% and TD= 150%) and weight loss (SD= 15.0% and TD= 8.5%) compared to controls and the SD showed higher glucose concentration and weight loss when compared to TD. The work load (% b.w.) equivalent to the MLSS was lower in TD (4.7%) than in TC (5.6%) group. The NAHS markers (U/L) did not show... (Complete abstract click electronic access below)
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Diabetes Mellitus is caracterized by a disturbance on endocrine pâncreas with reduction in serum levels of insulin. The deficiency or absence of insulin promotes alterations in the metabolism of carbohydrates, lipidis and proteins. The most common clinical signs of disease are polyuria, polydipsia, polyphagia and loses of weight. The diagnosis is made based on clinical symptoms, with laboratory confirmation through persistent hyperglycemia on fasting and glycosuria. Treatment includes insulin therapy, diet, exercise and oral hypoglycemic agents in an attempt to reverse the catabolic effects associated with deficiency or antagonism of insulin and restore normal homeostasis of the metabolism of proteins, lipids and carbohydrates
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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This study was undertaken to assess the frequency of angiotensin converting enzyme (ACE) insertion/deletion (I/D) polymorphism in patients with type 2 diabetes mellitus. A total of 162 patients with type 2 diabetes and 160 individuals without this disease were analyzed. From the diabetes group, 81 patients with cardiovascular risk (according to American Diabetes Association parameters) were selected to form another subgroup. For polymorphism identification, two polymerase chain reactions were performed: one reaction to identify all genotypes and a second one to confirm the presence of the I allele. The observed genotype frequencies were as follows: diabetes group I/I (19.1%), I/D (52.5%), D/D (28.4%); control group I/I (12.5%), I/D (55.6%), D/D (31.9%); and diabetes with cardiovascular risk group I/I (16.0%), I/ D (59.3%), D/D (24.7%). No statistically significant difference was observed between the allelic and genotypic frequencies in the analyzed groups. Previous studies reported an association between the D allele and type 2 diabetes in Caucasian and East Asian populations. However, in mixed populations, such as those found in Brazil, such an association was not found. This fact does not discard the need for more studies on the frequencies of this polymorphism in the Brazilian population and the associations with risk factors, which can compromise the quality of life of diabetes patients
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Fisioterapia - FCT