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Revista médica de Chile
versión impresa ISSN 0034-9887
ARANCIBIA, Gabriel et al. Association of metabolic syndrome markers with abnormal alanine aminotransferase levels in healthy children. Rev. méd. Chile [online]. 2012, vol.140, n.7, pp.896-901. ISSN 0034-9887. http://dx.doi.org/10.4067/S0034-98872012000700010.
Background: There is a high prevalence of non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH) among pediatric patients. The identification of clinical predictors of these conditions would allow a timely treatment. Aim: To evaluate the relationship between serum alanine aminotransferase levels and parameters of metabolic syndrome in asymptomatic school students without hepatic illness. Subjects and Methods: A randomized sample of 175 children aged between 9 and 14 years (54% females) was selected, from a database of 3010 students living in Santiago, Chile. Weight, height, abdominal circumference, systolic and diastolic blood pressure were measured. A fasting blood sample was obtained to measure glucose, total cholesterol, HDL, LDL-cholesterol, triglycerides, alanine aminotransferase (ALT) and insulin levels. Results: Forty percent of participants were obese, 17% had metabolic syndrome and 13.1% had abnormal ALT levels. Compared with children with normal ALT levels, the latter had significantly higher waist obesity, body mass index, systolic and diastolic blood pressure and triglycerides. However on multiva-riate analysis, only waist obesity was independently associated with abnormal ALT levels (adjusted odds ratio 3.93, 95% confidence intervals 1.44-10.78, p = 0.008). Conclusions: Only waist obesity was independently associated with abnormal ALT levels in this sample of children.
Palabras clave : Alanine transaminase; Child; Fatty liver; Metabolic syndrome X.