de Lima LMA, Wiernsperger N, Kraemer-Aguiar LG, Bouskela L. Short-term treatment with metformin improves the cardiovascular risk profile in first-degree relatives of subjects with type 2 diabetes mellitus who have a metabolic syndrome and normal glucose tolerance without changes in C-reactive protein or fibrinogen. Clinics. 2009;64(5):415-20.
OBJECTIVE:To study if metformin, when administered to first-degree relatives of type 2 diabetes mellitus subjects who have metabolic syndrome and normal glucose tolerance, could improve the cardiovascular risk profile and reduce the levels of both C-reactive protein and fibrinogen. INTRODUCTION: Metabolic syndrome is associated with higher cardiovascular morbidity and mortality. Metformin has vasculoprotective effects even in normoglycemic subjects, and C-reactive protein and fibrinogen are considered markers of endothelial injury and inflammation. METHODS: Thirty-one non-diabetic first-degree relatives of type 2 diabetes mellitus subjects with metabolic syndrome were randomized (1:1) and double-blinded for placement in the placebo and metformin groups (850mg bid/±90days); 16 subjects were administered metformin (mean age 40.0 [33.5-50] years; 13 females) and 15 subjects were in the placebo group (mean age 37.0 [32-42] years; 9 females). Blood samples were collected at baseline and at the end of treatment for biochemical analyses, including an assessment of C-reactive protein and fibrinogen levels. RESULTS: Metformin improved the lipid profile and decreased fasting plasma glucose, systolic blood pressure, weight and body mass index without changing body composition. For those in the placebo we identified no changes in fibrinogen (282.2 [220.4-323.7] mg/L vs. 286.7 [249.6-295.1] mg/L; NS) or in C-reactive protein levels (0.68 [0.3-1.2] vs. 0.64 [0.3-1.0] mg/L; NS). The same was also observed for the levels of fibrinogen (303.9 [217.6-347.6] mg/L vs. 290.9 [251.5-301.9] mg/L; NS) and C-reactive proteins (0.78 [0.3-1.1] vs. 0.80 [0.4-0.9] mg/L; NS) in the metformin group. CONCLUSIONS: Metformin treatment in first-degree relatives of type 2 diabetes mellitus sufferers who have metabolic syndrome and normal glucose tolerance improved the cardiovascular risk profile without changing the levels of C-reactive protein and fibrinogen.
Lead poisoning interferes with the function of various organs and systems, alters oxidative metabolism and intracellular signaling mechanisms. Neurological involvement, with reduced neural conduction, deserves special attention from anesthesiologists.
Background and objectives: Lead poisoning, also Saturnism, results from chronic lead poisoning, common after occupational exposure. Projectiles retained in the body may result in increased levels of plasma lead with numerous clinical implications, particularly neurological. We report a case of a symptomatic patient, undiagnosed, whose diagnosis was made during the preanesthesia evaluation.
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