ObjectiveTo evaluate sonographic measurements of visceral and subcutaneous fat in children,
and to investigate the usefulness of preperitoneal fat (PF) and the abdominal wall
fat index (AFI) as parameters to determine visceral fat and presence of
nonalcoholic fatty liver disease (NAFLD) in obese children.Materials and MethodsA case-control study of a sample including 44 children (22 cases and 22 controls)
matched by sex and age. The Student t test and the Fisher exact
test were utilized in the descriptive and bivariate analysis.ResultsThe sonographic parameters evaluated - subcutaneous cell tissue, PF and
intraperitoneal fat, and NAFLD - presented high statistical association with body
mass index. NAFLD was observed in eight obese patients (36.36%), and PF and AFI
were the variables with highest statistical significance, with p
< 0.0001.ConclusionUltrasonography is useful tool in the differentiation and quantification of
visceral and subcutaneous fat in children. The measures of PF and AFI are useful
in the assessment of visceral fat and NAFLD in obese children.
Entrapment and breakage of devices used in coronary interventions are rare complications, but have occurred with increasing frequency. Knowledge and mastery of techniques to rescue these materials are of paramount importance to solve these incidents. We report a successful withdrawal of a 0.014" retained guidewire in the coronary artery, by the so-called twin guidewire technique.
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