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    The association between electrocardiographic data and obesity in children and adolescents
    (Edizioni Minerva Medica, 2021) Ture, Mehmet; Akin, Alper; Unal, Edip; Kan, Ahmet; Balik, Hasan; Tas, Funda Feryal; Haspolat, Yusuf Kenan
    Background: There are not enough studies investigating the relationship between obesity and ECG abnormalities in children and adolescents. This study aims to investigate the relationship between obesity and electrocardiographic data in children and adolescents for early diagnosis to prevent arrhythmia or sudden death in later stages of life.Patients and Methods: A total of 65 children and adolescents with obesity applied to our pediatric endocrinology outpatient clinic with nonspecific complaints and without any known chronic illnesses; 76 healthy children and adolescents were included in the study. Anthropometric and laboratory data, blood pressure measurements, and 12-lead electrocardiography data of all participants were collected.Results: There was a statistically significant difference between the obese and the control group in terms of triglycerides, total cholesterol, high density lipoprotein, low density lipoprotein levels, and systolic blood pressure. According to electrocardiographic findings, there was a statistically significant difference between the two groups in terms of heart rate (p=0.008), PR duration (p<0.001), left ventricular hypertrophy (p=0.02), P maximum (p=0.04), P dispersion (p<0.001), QRS duration (p<0.001), QT minimum (p=0.007), QT maximum (p=0.03), QT dispersion (p=0.024), QTc minimum (p=0.002), QTc dispersion (p=0.003), Tp-e minimum (p=0.007), and Tp-e maximum (p=0.003) variables.Conclusion: There were significant differences between the electrocardiographic evaluation of obese group compared to the control group in our study, which may be associated with risk of cardiac arrhythmia. These differences require monitorization in terms of cardiac arrhythmia and risk of sudden death. Further studies with longer follow-up time are needed to support the potential clinical outcomes of our findings.
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    Evaluation of iodine and selenium level and thyroid functions in patients with cystic fibrosis
    (Walter De Gruyter Gmbh, 2025) Unal, Edip; Arica, Enes; Tas, Funda Feryal; Kolbasi, Baris; Beyazit, Nurcan; Kaplan, Ibrahim; Savas, Suat
    Objectives There is limited research on thyroid function in pediatric patients with cystic fibrosis (pwCF). This study aimed to determine the frequency of thyroid dysfunction in children and adolescents with CF and to evaluate iodine deficiency and selenium status in pwCF.Methods Sixty-two CF patients and 62 control subjects were evaluated. The anthropometric measurements, nutritional status, FEV1(Forced-expiratory-volume in 1 s) percentage, thyroid function tests (TSH, FT4, FT3), urinary iodine and selenium levels, hospitalization status in the last six months, antibiotic usage, and colonization status with staphylococcus or pseudomonas were assessed for the cases.Results The mean age of the patient group was 10.84 +/- 4.04 years. All CF patients were receiving multivitamin supplementation. Malnutrition was present in 50 % of patients, bacterial colonization in 29 %, FEV1 decrease in 38.5 %, subclinical hypothyroidism (SH) in 12.9 %, iodine deficiency in 87 % and exocrine pancreatic insufficiency in 100 %. T3 levels were found to be higher in pwCF. No significant difference was found between malnutrition and FEV1 and urinary iodine and selenium levels. Compared to the control group, pwCF had lower urinary iodine levels.Conclusions To the best of our knowledge, our study is one of the few in the literature to investigate urinary selenium levels alongside iodine in PwCF. Further research is needed to clarify and interpret elevated urinary selenium levels in this context. It was shown that iodine deficiency and the rate of SH were relatively high in pwCF. However, it was still thought that correcting iodine deficiency in these patients could improve thyroid dysfunction associated with CF.
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    Metreleptin Treatment in a Boy with Congenital Generalized Lipodystrophy due to Homozygous c.465_468delGACT (p.T156Rfs*8) Mutation in the BSCL2 Gene: Results From the First-year
    (Galenos Publ House, 2023) Ozalkak, Servan; Demiral, Meliha; Unal, Edip; Tas, Funda Feryal; Onay, Huseyin; Demirbilek, Huseyin; Ozbek, Mehmet Nuri
    Congenital generalized lipodystrophy (CGL) is a rare, autosomal recessive disorder characterized by an almost complete absence of body fat. In CGL, patients may have hyperphagia due to leptin deficiency. Recombinant human leptin (metreleptin) has been suggested as an effective treatment option. We present successful treatment with metreleptin in a boy with CGL and results from the first year of follow-up. An eight-month-old boy presented with excessive hair growth and a muscular appearance. On examination he had hypertrichosis, decreased subcutaneous adipose tissue over the whole body and hepatomegaly. Laboratory investigations revealed hypertriglyceridemia, hyperinsulinemia, elevated liver transaminases and low leptin levels. Molecular genetic analysis detected a homozygous, c.465_468delGACT (p.T156Rfs*8) mutation in the BSCL2 gene. A diagnosis of CGL type 2 was considered. Despite dietary intervention, exercise, and treatment with additional omega-3 and metformin, the hypertriglyceridemia, hyperinsulinemia, and elevated liver transaminase levels worsened. Metreleptin treatment was started and after one year hyperphagia had disappeared, and there was dramatic improvement in levels of insulin, hemoglobin A1c, triglycerides and liver transaminases. Hepatosteatosis was lessened and hepatosplenomegaly was much improved. Metreleptin appears to be an effective treatment option in children with CGL that remarkably improved metabolic complications in the presented case. Initiation of metreleptin treatment in the early period may decrease mortality and morbidity, and increase the quality of life in children with CGL.