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Objective: To determine the growth reference value of children in our province and to compare these values with current values of the USA and other local values of our country. Methods: A total of 615 boys and 586 girls with different socioeconomic levels and ages of 0-5 years were included in the study. In all children, weight, height, head circumference, abdominal circumference, hip circumference, mid-arm circumference, and lower segment length were taken. All measurements were performed by the same paediatrician. The lambda-mu-sigma method was used for the preparation of percentile curves. Results: The body weight, head circumference and chest circumference measurements of boys were significantly higher than those in girls. Anthropometric measurements of children in highincome groups were higher than those in the low-income group. All of the anthropometric parameters except upper mid-arm circumference were higher in children fed with breast milk and formula milk than in children who only fed with breast milk. The relation between the mother's education level and anthropometric parameters was insignificant. Conclusion: Our results showed that the anthropometric measurements of our children were similar to those of west Turkey as well as those of the United States. On the other hand, our children's anthropometric measurements were higher than other local values. Relatively high values of height have been interpreted as a genetic feature. [ABSTRACT FROM AUTHOR]

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This report highlights a rare presentation of vitamin B12 deficiency (concurrent psychotic disorder, seizures and hypertension). A 16-year-old girl presented with nervousness that had been persisting for 2 weeks. She had stopped eating and there was decreased self-care and she could not walk and sleep. Two days prior to admission, generalized tonic–clonic convulsions were noted. On physical examination, vital signs were normal, except for hypertension (150/100 mm Hg). She did not respond to conversation; she could not answer the questions. Mood was depressive and hallucinations were noted. Laboratory analyses were normal, except for a low vitamin B12 level (<150 pg mL−1). The patient was not given any treatment of hypertension, psychosis or seizures, except vitamin B12 injections. After that, she showed improvement within 1 week. In the 7 days of hospitalization, the arterial blood pressure returned to normal, psychotic symptoms were resolved, the visual hallucinations and the depressive mood subsided, and she could eat and speak clearly. No hypertension or convulsions have been detected on the control examinations, and she has now been followed-up without any symptoms or findings. In conclusion, with this report we emphasized that psychosis, seizures and hypertension can be a rare manifestation of vitamin B12 deficiency, which is reversible with therapy and serum vitamin B12 level should be checked in patients who do not have an obvious cause for psychosis, seizures or hypertension. [ABSTRACT FROM AUTHOR]

In this study serum immunoglobulins (Ig) and IgG subclasses were measured in 42 patients (ranging 9 month-6 year) with recurrent wheezing and in 37 healthy children determined the relationship between serum Igs and recurrent wheezing. Patients were divided into two groups according to the age [9 month-2 year (n: 15), and 2-6 year (n: 27)]. In the patients placed in 9-24 month age group, serum IgG4 level was found to be lower than controls (p < 0.05). But there was not a significant difference in mean serum concentrations of total IgG, IgA, IgM, IgE, IgG1, IgG2 and IgG3 subclasses between the groups (P > 0.05). In the 25 month-6 year age group the mean IgE level was increased compared to the control while IgG3 and IgG4 levels were decreased (p < 0.05). On the other hand, in the 9-24 month age group there was no significant difference between the patients and controls for IgG subclasses deficiency (P > 0.05). However, significant difference in IgG subclasses deficiency was present between the patients and controls in the 25 month-6 year group (P < 0.001). In conclusion, our findings suggest that wheezing in childhood may be associated with low IgG3 and/or IgG4, and in older children high IgE level may be a part of pathogenetic mechanism in patients with recurrent wheezing. [ABSTRACT FROM AUTHOR]

Aim: To investigate the ratio of rickets and vitamin D deficiency in healthy adolescents at Van region. Method: Totally 126 cases were included in this study. All cases were evaluated for the presence of rickets symptoms, daily sun exposure,and vitamin usage, covering and eating habit. Diagnosis of rickets was made based on biochemical findings. The children whose vitamin D levels were lower than 10 ng/dl were accepted as vitamin 25(OH)D3 deficiency, but whose levels between 10-20 ng/dl were accepted as vitamin D insufficiency. Result: Sixty girls (47.6%) and 66 boys (52.4%) were included in this study. They were between 9 and 17 years old (11.94 ± 1.9 years). Vitamin D levels in 60 (47.6%) cases were normal, but 48 (38.1%) cases had rickets, 13 (10.3%) cases had vitamin D insufficiency and 5 (4.0%) cases had vitamin D deficiency. There was no statistically significant difference in the incidence of rickets between the cases with or without covered-dress. However, there was a significant difference in the incidence of vitamin D insufficiency (p< 0.05). All of the cases had less daily calcium, phosphorus, protein and vitamin D intake than recommended daily amount. In the rickets group, alkaline phosphatase levels were significantly higher comparing with the others (p< 0.05), but there was no difference in plasma intact parathyroid hormone levels. Conclusion: Our findings revealed that most adolescents who appeared to be healthy (52.4%) could have vitamin D insufficiency. Therefore, we believe that dietary education and/or vitamin D prophylaxis might be given to all adolescents. However, more extensive researches should be done to elucidate of our suggestion's correction. [ABSTRACT FROM AUTHOR]

Objective: The timing of pubertal development is closely related to metabolic status and energy reserves. It is thought that irisin, which is involved in the regulation of energy metabolism and is shown to be present in the hypothalamo-pituitary-gonadal (HPG) axis, may play a role in this process. In our study, we aimed to investigate the effect of irisin administration on pubertal development and HPG axis in rats., Design-Methods: 36 female rats were included in the study were divided into 3 groups: 100 ng/kg/day irisin treatment group (irisin-100), 50 ng/kg/day irisin treatment group (irisin-50), and control group. On the 38th day, serum samples were taken to determine levels of luteinizing hormone (LH) and follicle stimulating hormone (FSH), estradiol and irisin. Brain hypothalamus samples were taken to determine levels of pulsatile gonadotropin-releasing hormone (GnRH), kisspeptin, neurokinin-B, dynorphin (Dyn), and makorin ring finger protein-3 (MKRN3)., Results: Vaginal opening and estrus were seen firstly in the irisin-100 group. At the end of the study, the highest rate of vaginal patency was found in the irisin-100 group. Hypothalamic protein expression levels of GnRH, NKB and Kiss1 in homogenates; serum FSH, LH, and estradiol levels were the highest in the irisin-100 group, followed by the irisin-50 and control groups, respectively. Ovarian sizes were significantly greater in the irisin-100 group compared to the other groups. The hypothalamic protein expression levels of MKRN3 and Dyn were the lowest in the irisin-100 group., Conclusions: In this experimental study, irisin triggered the onset of puberty in a dose-dependent manner. Irisin administration caused the excitatory system to dominate in the hypothalamic GnRH pulse generator., (Copyright © 2023 Elsevier Inc. All rights reserved.)

Aim: The exact mechanisms that trigger the onset of puberty are not well known. Adipomyokines are postulated to stimulate the central neural network. In the present study, we investigated irisin levels in girls with central precocious puberty (CPP), slowly progressing precocious puberty (SPPP), or premature thelarche (PT); we also studied prepubertal girls and to determine if this adipomyokine could be used as a marker in this context., Methods: A total of 94 girls including 33 with CPP, 31 with precocious puberty (PP) variants (SPPP or PT), and 30 healthy controls were enrolled to the study. The mean irisin levels were compared between groups. The bivariate correlations of irisin levels with clinical and laboratory parameters were assessed. Multivariate linear regression analysis was performed to determine independent predictive factors of irisin levels., Results: Irisin levels were higher in the CPP group compared with the other groups (CPP group: 723.25 ± 62.35 ng/mL; PP variants group: 529.60 ± 39.66 ng/mL; and control group: 325.03 ± 27.53 ng/mL) (P < 0.001). Irisin levels were positively correlated with body mass index standard deviation scores (BMI-SDS), height-SDS, weight-SDS, bone age, uterus long axis, ovary size, baseline FSH and LH, and peak LH levels. Multivariate linear regression analysis revealed that irisin levels had the strongest correlation with peak LH. The other independent predictive factor of irisin levels was BMI-SDS., Conclusions: The mean irisin levels were higher in patients with CPP compared with other groups. The results of this study imply that increased irisin levels may be used as a marker of CPP provided that these findings are confirmed in larger prospective studies., (© The Author(s) 2020. Published by Oxford University Press on behalf of the Endocrine Society. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)

Background: Adipokines have been suggested to play an important role in the pathogenesis of polycystic ovarian syndrome (PCOS). Omentin is an adipokine secreted essentially by visceral adipose tissue with an insulin-sensitizing effect. Insulin resistance (IR) is a common feature of PCOS, therefore the aim of this study was to investigate omentin-1 level in adolescent girls with PCOS and its relationship with IR and androgens., Method: A total of 41 obese girls with PCOS, and 30 age- and body mass index (BMI)-matched obese girls without PCOS were enrolled in the study. The demographic, clinic and laboratory characteristics of the groups were compared. Additionally, bivariate correlation analysis of omentin-1 with BMI standard deviation score (BMI-SDS), insulin, glucose, homeostatic model assessment of IR (HOMA-IR), total and free testosterone was performed., Results: In the PCOS group HOMA-IR, free and total testosterone were higher than in the control group. Omentin-1 was lower in the PCOS group compared with the controls (55.01 ± 7.99 ng/mL vs 59.10 ± 7.02 ng/mL, respectively; P = 0.027). Omentin-1 was inversely correlated with free testosterone (r = -0.527, P = 0.030) and BMI-SDS (r = -0.241, P = 0.046) but it was not correlated with total testosterone, HOMA-IR, glucose, insulin or serum lipids., Conclusion: Omentin-1 was lower in obese girls with PCOS and hyperandrogenism was associated with this condition., (© 2018 Japan Pediatric Society.)

Background: The objective of this study is to investigate the efficacy of continuous renal replacement therapy (CRRT), mainly continuous venovenous hemodiafiltration (CVVHDF), and evaluate vasoactive requirements in hyperammonemic neonates and infants., Methods: Patients who underwent CRRT for hyperammonemia were retrospectively analyzed., Measurements and Main Results: Patients in 7 of the encounters were treated solely by CVVHDF. During 3 encounters, patients who received continuous venovenous hemodialysis (CVVHD) were transitioned to CVVHDF. CVVHD was used in 3 encounters. The median 50% reduction time for ammonia was 8 h (range 3-15 h). The median duration of CRRT treatment was 40 h (range 24-89 h). Survival to hospital discharge occurred in 12 encounters (92.3%). Eleven encounters (84.6%) were treated with different vasoactive agents. In those encounters, the median vasoactive medications' start time was the 6th hours (range 2-60 h) of CRRT. There was no association between the vasoactive index score and pre-dialysis ammonia concentration., Conclusions: CRRT achieves timely control of hypeammonemic states. Hemodynamic instability necessitating intervention with vasoactive medications is a common finding in patients with hyperammonemia., (© 2019 S. Karger AG, Basel.)

Objective: To assess the incidence of type 1 diabetes mellitus (T1DM) in children under 18 years of age in the northwest region of Turkey during 2013-2015., Methods: All newly diagnosed T1DM cases were recorded prospectively during 2013-2015. Total, as well as gender and age group specific (0-4, 5-9, 10-14 and 15-17 age) mean incidences per 100,000 per year were calculated., Results: There were 1,773 patients diagnosed during 2013-2015 (588 cases in 2013, 592 cases in 2014, 593 cases in 2015). Of these, 862 (48.6%) were girls and 911 (51.4%) were boys. The mean age at diagnosis was 9.2±4.2 years and it was not significantly different between girls (9.0±4.1 years) and boys (9.4±4.4 years) (p=0.052). The crude mean incidence was 8.99/100.000 confidence interval (CI) (95% CI: 8.58-9.42). Although mean incidence was similar between boys [8.98/100.000 (CI: 8.40 to 9.58)] and girls [9.01/100.000 (CI: 8.42 to 9.63)], there was male predominance in all groups except for 5-9 year age group. The standardized mean incidence was 9.02/100.000 according to the World Health Organization standard population. The mean incidence for the 0-4, 5-9, 10-14 and 15-17 age groups was 6.13, 11.68, 11.7 and 5.04/100.000 respectively. The incidence of T1DM was similar over the course of three years (p=0.95). A significant increase in the proportion of cases diagnosed was observed in the autumn-winter seasons., Conclusion: The northwest region of Turkey experienced an intermediate incidence of T1DM over the period of the study.

Malnutrition in childhood is a dramatic indicator of poor socio-economical status worldwide. To recognize and reveal the socio-demographic features is crucial, especially for developing countries. Our aim was to investigate the prevalence and association with sociodemographic variables of malnutrition in 0-5 years old children in Van, Turkey. A total of 702 children are included in this cross-sectional study. Demographic features of subject including age, gender, family characteristics and other data were obtained. Nutritional assessment was done using anthropometric indices including weight-for-age, height-for-age, weight-for-height, head circumference and body mass index-for-age. Multivariate logistic regressions were carried out to assess malnutrition-associated factors. Prevalence of underweight, stunting and wasting were 19.7, 17.7 and 16.2%, respectively. Socio-demographic variables that statistical significantly in association with malnutrition were low monthly family income, educational level and employment status of father, parental consanguinity, number of pregnancies, regular intake of vitamin D and history of prematurity. The prevalence of children with head circumference-z score ≤2SD and body mass index-for-age ≤2SD were 9.8 and 16.3%, respectively. Multivariate analysis detected following risk factors for these indices; low monthly family income, history of prematurity, unemployed father and the period between pregnancies (1-2 years). We found that prevalence of malnutrition in the city of Van, was still higher than more developed regions of Turkey. The associated risk factors of malnutrition should be specifically interpreted by health professionals and also by government authorities that are responsible for making practical politics of public health., Competing Interests: the authors declare no potential conflict of interest.

Aims: To evaluate the management strategies, glycemic control and complications of pediatric type 1 diabetes mellitus (T1DM) patients in Turkey., Methods: Study included 498 patients with T1DM between the ages 1-18. Data provided from patients' hospital files were recorded on standard case report forms by applicant clinicians within the 3months of data collection period between October 2012 and July 2013., Results: Mean age of patients was 11.3±3.8years. Mean duration of DM was determined as 3.7±3.1years. Majority of patients (85.5%) used basal/bolus injection (BBI), and 6.5% used continuous subcutaneous insulin infusion pump. Assessment of glycemic control based on HbA1c levels showed that 29.1% of patients had an HbA1c value <7.5% (58mmol/mol), 16.1% had a value between 7.5% (58mmol/mol) and 8% (64mmol/mol), 19.1% had a value between 8.1% (64mmol/mol) and 9%(75mmol/mol) and 35.7% a value >9%(75mmol/mol). Hypoglycemia was reported in 145 (29.1%) patients and the number of severe hypoglycemic attacks in the last 3months was 1.0±2.4. Taking into consideration the carbohydrate count and insulin correction dose and parents with high socioeconomic status was related to have better glycemic control. The most common comorbidities were Hashimoto's thyroiditis/hypothyroidism (6.2%) followed by celiac disease (3.8%), epilepsy(1.2%), and asthma(1.0%)., Conclusions: BBI insulin therapy is widely used among pediatric T1DM patients in Turkey. However, despite improvements in treatment facilities and diabetic care, glycemic control is not at a satisfactory level. Therefore, new and comprehensive initiatives require for pediatric T1DM patients with poor glycemic control. Promoting use of carbohydrate count and insulin correction doses may improve the glycemic control of pediatric T1DM in Turkey., (Copyright © 2016 Elsevier Ireland Ltd. All rights reserved.)