Publications by authors named "Zuhal Kalay"

Objective: The aim of this study was to evaluate the executive function of patients with typical absence epilepsy.

Methods: Thirty-eight (19 healthy children and 19 patients) individuals were enrolled in this study. Neurocognitive function tests, such as the Serial Digit Learning Test, Wisconsin Card Sorting Test, Visual Aural Digit Span Test-Form B, KAS-Animal Test, Trail Making Test-A Time Test, and STROOP Test, were given to all of the participants.

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Background: Deficiency of vitamin B12 (VitB12) causes failure of erytrocyte maturation leading to cell lysis. Red blood cell lysis causes excess heme production that ends with hyperbilirubinemia. In this study, we aimed to evaluate the role of VitB12 in neonatal hyperbilirubinemia (NNH) with prolonged jaundice and to compare patients with control group who did not develop hyperbilirubinemia.

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Microvillus inclusion disease is one of the congenital diarrheal disorders characterized by the appearance of inclusion bodies on the intestinal epithelium. To date there are a few cases and also a few other associated finding reports related to this life-threatening disease in literature. In this report, we present a premature infant with microvillus inclusion disease that was associated with necrotizing enterocolitis.

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Background: Diagnosing cobalamin deficiency is critical, given the high prevalence of cobalamin deficiency particularly in developing countries. Measuring serum cobalamin levels is of limited diagnostic sensitivity, in other words its specificity and sensitivity are low. The present study investigated the changes in the levels of metabolic markers - plasma homocysteine, plasma methylmalonic acid (MMA) and urinary MMA - of cobalamin metabolism.

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Objectives: Vitamin D deficiency is an important health problem in pregnant women and their infants in sunny countries. Low socio-economic status (LSES), covered dressing style, pregnancies in winter season and having dark skin are the major risk factors for vitamin D deficiency. The present study evaluated serum 25-hydroxyvitamin D3 [25(OH)D3] concentrations in pregnant women and in their newborns and determined the risk factors in LSES cities in Turkey.

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Aim: The aim of this study was to evaluate the effects of post-ischemic pentoxifylline (PTX) therapy on the gut injury in neonatal rat model of hypoxic ischemic encephalopathy (HIE).

Methods: Seven-day-old Wistar rat pups (n = 24) of either sex, delivered spontaneously, were used in this experimental study. Seven-day-old rat pups were randomly divided into three groups.

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