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Reduced iron parameters and cognitive processes in children and adolescents with DM1 compared to those with standard parameters
  1. Ewa Mojs1,
  2. Maia Stanisławska–Kubiak1,
  3. Rafał W Wójciak1,
  4. Julita Wojciechowska2,
  5. Sabina Przewoźniak3
  1. 1Department of Clinical Psychology, Poznan University of Medical Sciences, Poznań, wielkopolskie, Poland
  2. 2Department of Psychology, Adam Mickiewicz University, Poznan, wielkopolskie, Poland
  3. 3Department of Paediatric Diabetes and Obesity, Poznan University of Medical Sciences, Poznan, Poland
  1. Correspondence to Dr Maia Stanisławska Kubiak, Poznan University of Medical Sciences, Bukowska 70, Poznań 61-780, Poland; maiakubiak{at}


Anemia in patients with diabetes is not scarce and may contribute to the complications of the disease. The risk of iron deficiency parameters in child sufferers of diabetes type 1, observed in studies, can lead to cognitive impairment. The aim of the study was to determine whether children and adolescents with diabetes type 1, in whom reduced ferric parameters are observed in control tests, may also show reduced cognitive performance. The study included 100 children with diabetes type 1 at the age of 6–17 years. During control tests, patients’ morphological blood parameters were measured: red blood cells (RBC), hemoglobin, glycosylated hemoglobin, hematocrit, RBC volume, the molar mass of hemoglobin in RBC (MCH), mean corpuscular hemoglobin in RBC and iron concentrations in serum using flame atomic absorption spectroscopy and the Wechsler Intelligence Scale for Children (WISC-R). Results in the group of children with a diabetes type 1 significantly lower concentration of three ferric parameters affect the non-verbal intelligence measured with WISC-R. The prevalence of reduced ferric parameters justifies further screening in all children with diabetes type 1 and taking up appropriate preventive measures to reduce the risk of their occurrence.

  • Chronic Disease
  • Intellectual Property
  • Diabetes Mellitus
  • Iron Metabolism Disorders

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