Serum Brain-Derived Neurotrophic Factor (BDNF) Level in Children with Specific Learning Disabilities. / Özgül Ögrenme Bozuklugu Olan Çocuklarda Serum Beyin Kaynakli Nörotrofik Faktör (BKNF) Düzeyi.

OBJECTIVE: Specific learning disorder (SLD) is a neurodevelopmental disorder frequently seen in childhood with deficits in many areas of functioning. Although the etiology of SLD is known to be multifactorial, research findings are limited. In this study, we aimed to compare the serum levels of brain-derived neurotrophic factor (BDNF) in children with SLD to healthy children to find out whether BDNF has a role in the pathophysiology of SLD. METHOD: The study included 30 children between the ages of 7-12, diagnosed with SLD and 30 age and gender matched healthy controls. The groups were tested on the Affective Disorders and Schizophrenia Interview Schedule for School-age Children-Now and Lifetime Form (K-SADS-PL), the Wechsler Intelligence Scale for Children-revised form (WISC-R), the Teacher Information Form (TIF) and the Specific Learning Difficulty Battery (SLDB). RESULTS: No difference the serum BDNF levels in children with SLD and the healthy controls. BDNF levels did not correlate with the WISC-R scores and reading rate in the SLD group. CONCLUSION: An association was not determined between SLD and and serum BDNF levels. Our study was the first to investigate this relationship and provided preliminary data on this topic. There is a need for further studies with large patient groups of phenotypic homogeneity.

Evaluation of the relationship between short-term glycemic control and netrin-1, a urinary proximal tubular injury marker in children with type 1 diabetes.

Background Diabetic nephropathy (DN) is a significant cause of morbidity and mortality in young adults with type 1 diabetes (T1D). Microalbuminuria (MA) is generally considered as the earliest manifestation of DN. However, it has been shown that MA may be temporary and not reflect permanent renal failure. For this reason, sensitive markers are needed for the detection of kidney damage in the early period. Urinary tubular injury markers increase in the early period of diabetes. These tubular markers are rather indicators of acute renal damage. The objective of this study was to measure the urinary netrin-1 level, a marker of tubular injury in children with normoalbuminuric (NA) T1D, and to determine its relationship with short-term fluctuations in blood glucose using fructosamine levels. Methods Netrin-1 levels in spot urine samples from 82 children with T1D (median age 13.6 years) without MA or hypertension and from 59 healthy controls (median age 11.3 years) with a similar distribution of age and body mass index (BMI) were compared. The relationship of the netrin-1 levels with diabetes parameters such as fructosamine, hemoglobin A1c (HbA1c) or duration of diabetes was investigated. Results Urinary netrin-1 level was found to be higher in patients with T1D than in healthy controls (590 [interquartile range (IQR) = 811] pg/mg-creatinine [pg/mg-cr] and 396 [IQR = 742] pg/mg-cr, respectively) (p = 0.03). Urinary netrin-1 was found to correlate with HbA1c (p = 0.007, r = 0.320) and fructosamine (p = 0.04, r = 0.310) but not with average HbA1c in the last year (p = 0.14, r = -0.19), duration of diabetes (p = 0.83, r = 0.02) or other diabetes indices. Conclusions These results support the idea that tubular damage occurs early in the course of diabetes. However, the fact that netrin-1 is related to fructosamine and HbA1c but not to the duration of diabetes or average HbA1c in the last year may suggest that the tubular damage markers are affected by short-term fluctuations in blood glucose.

Ginger ( Zingiber officinale ) prevents severe damage to the lungs due to hyperoxia and inflammation

Background/aim: Hyperoxia- and inflammation-induced lung injury is an important cause of the development of bronchopulmonary dysplasia (BPD) in premature infants. We aimed to ascertain the beneficial effects of ginger ( Zingiber officinale ) on rat pups exposed to hyperoxia and inflammation. Materials and methods: Thirty-six newborn Wistar rats were randomly divided into 3 groups as the hyperoxia (95% O 2 ) + lipopolysaccharide (LPS) group, the hyperoxia + LPS + ginger-treated group, and the control/no treatment group (21% O 2 ). Pups in the hyperoxia + LPS + ginger group were administered oral ginger at a dose of 1000 mg/kg daily during the study period. Histopathologic, immunochemical (SMA and lamellar body), and biochemical evaluations including total antioxidant status (TAS), total oxidant status (TOS), malondialdehyde (MDA), myeloperoxidase (MPO), tumor necrosis factor-alpha (TNF-α), interleukin-1 beta (IL-1ß), interleukin-6 (IL-6), and caspase-3 activities were performed. Results: Better weight gain and survival rates were shown in the hyperoxia + LPS + ginger group (P < 0.05). In the histopathologic and immunochemical evaluation, severity of lung damage was significantly reduced in the hyperoxia + LPS + ginger group, as well as decreased apoptosis (ELISA for caspase-3) (P < 0.05). Tissue TAS levels were significantly protected, and TOS, MDA, and MPO levels were significantly lower in the hyperoxia + LPS + ginger group (P < 0.05). Tissue TNF-α, IL-1ß, and IL-6 concentrations were significantly decreased in the ginger-treated group (P < 0.05). Conclusion: Ginger efficiently reduced the lung damage and protected the lungs from severe damage due to hyperoxia and inflammation. Therefore, ginger may be an alternative option for the treatment of BPD.

Refusal of medical treatment in the pediatric emergency service: analysis of reasons and aspects.

Refusal of treatment for acutely ill children is still an important problem in the emergency service. When families refuse medical treatment for their acutely ill children, healthcare professionals may attempt to provide information and negotiate with the family concerning treatment refusal and its possible adverse outcomes, and request consent for refusal of medical treatment. There is insufficient data about refusal of treatment in our country. The purpose of this study was to analyze the causes of treatment refusal in the pediatric emergency service. We collected data recorded on informed consent forms. During a 2-year-study period, 215 patients refused treatment recommended by acute health care professionals. The majorty of patients were in the 0-2 year age group. Hospitalization was the type of treatment most commonly refused; restrictions regarding family members staying with their children during hospitalization and admission to another hospital were the major reasons for refusal of treatment. Clarifying the reasons for treatment refusal may help us to overcome deficiencies, improve conditions, resolve problems and build confidence between healthcare providers and service users, increasing users' satisfaction in the future.

Superior herniation of the thymus into the neck--a familial pattern.

Superior herniation of normal mediastinal thymus into the anterior neck is a rare cause of neck masses in children. It is defined as intermittent migration of the broadest part of the normal thymus out of the thorax into the suprasternal region during Valsalva maneuver with an increase in the intrathoracic pressure. The fact that the mass apparent only during Valsalva maneuver and typical ultrasound characteristics usually allow the diagnosis but computerized tomography scan or magnetic resonance imaging is necessary to assess the extent of the mass. We report the first and the only siblings with the most dramatic degree of superior herniation of normal mediastinal thymus. We discuss the findings of imaging and the differential diagnosis. We try to remind this entity to avoid unnecessary biopsy or surgery and their potential risk of altering immune function.