Umbilical waist-to-height ratio and trunk fat mass index (DXA) as markers of central adiposity and insulin resistance in Argentinean children with a family history of metabolic syndrome.

Central adiposity is increasing in childhood. To find a simple index of central fatness that accurately predicts insulin resistance we studied 55 obese children and 53 siblings, aged 6-16 years. We recorded the family metabolic score, calculated clinical and DXA-derived fat distribution indexes and HOMA-IR.

Adiponectin in children on peritoneal dialysis: relationship to insulin resistance and nutritional status.

Aim: To study whether adiponectin and resistin serum concentrations in children on peritoneal dialysis (PD) were related to insulin resistance (IR) and anthropometric parameters of nutritional status, 11 PD patients, 9 chronic kidney disease (CKD) patients and 10 healthy children were studied.

Methods: Glucose and insulin were measured during the oral glucose tolerance test. Levels of adiponectin and resistin were evaluated by ELISA, insulin by RIA.