Publications by authors named "Gokcen Erfidan"

Objective: We aimed to evaluate the clinical significance of the "unclassified" blood pressure phenotypes on left ventricular hypertrophy in children.

Materials And Methods: All children evaluated with ambulatory blood pressure monitoring in the pediatric nephrology department between October 2018 and January 2021 were included in the study. Prehypertension, normotensive, white coat hypertension, masked hypertension, ambulatory hypertension groups and 2 other groups including increased blood pressure load, normal ambulatory blood pressure measurements, but normal (unclassified group 1) or high (unclassified group 2) office blood pressure measurements were defined according to the American Heart Association 2014 statement.

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  • Two devastating earthquakes in Türkiye on February 6, 2023, resulted in significant injuries to 903 children, with a focus on crush syndrome-related acute kidney injury (Crush-AKI) and mortality.
  • The study tracked various factors, including the time under rubble, treatment protocols, and patient outcomes, revealing that Crush-AKI developed in 36% of the patients, and over half required dialysis.
  • Key findings included that serum levels of creatine phosphokinase above 20,950 U/L and inadequate initial intravenous fluid volume were linked to Crush-AKI, and most deaths occurred among those with Crush-AKI within the first four days of admission.
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  • Myelomeningocele (MMC) is a condition that affects many kids in developing countries like Turkey, and it can lead to kidney problems known as chronic kidney disease (CKD).
  • A study in Turkey looked at children with MMC to find out how many had different stages of CKD and what factors made their kidney health worse.
  • The results showed that 5.3% of the kids had CKD stage 5, and certain medical conditions were linked to an increased risk of serious kidney problems. To help these kids, doctors suggest taking early action in managing their bladder issues to prevent kidney failure.
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Objective: To compare pulse wave analysis (PWA) of obese children with and without metabolic syndrome (MS) with healthy, non-obese children and to evaluate the association between PWA findings and additional risk factors present in children with MS and obesity.

Methods: From the obese patients examined between June 2019 and June 2021, 41 patients with MS, 36 obese patients without MS, and 34 healthy non-obese children of similar age and gender were evaluated retrospectively. Anthropometric measurements, biochemical evaluation, 24-hour ambulatory blood pressure (BP) measurement (ABPM), left ventricular mass index (LVMI) and PWA measurements were compared.

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  • The study investigates the relationship between vesicoureteric reflux (VUR) and urinary tract infections (UTI) in children diagnosed with ureterocele, focusing on patients treated at a specific hospital over a 10-year period.
  • A total of 24 children were analyzed, revealing high rates of UTI and recurrent infections, along with a notable prevalence of VUR, particularly in females.
  • The findings indicate no significant difference in kidney damage or surgical needs between patients with and without VUR, highlighting the necessity for more research to guide clinical management in these cases.
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Background: Patients with nephrotic syndrome (NS) are at a high risk of cardiovascular disease, obesity, and dyslipidemia. The aim of this study was to evaluate the formation of epicardial adipose tissue (EAT) and investigate electrocardiographic (ECG) parameters in patients.

Methods: Thirty-two patients aged 0-18 years and 15 control patients were compared.

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Objective: To evaluate the effects of non-E. coli or extended-spectrum β-lactamase-positive (ESBL-positive) microorganism growth in the first febrile urinary tract infection (UTI) of infants on laboratory findings or renal parenchymal damage presenting the severity of inflammation, anatomic abnormalities defined by imaging studies, and recurrent UTIs in the follow-up period.

Methods: The data of patients aged between 2 and 24 mo and followed up for at least 6 mo with febrile UTI guideline of the authors' pediatric-nephrology clinic, were retrospectively analyzed.

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Background: We aimed to evaluate the predictability of extended-spectrum beta-lactamase (ESBL)-producing bacteria (PB) with inflammation markers and hemogram parameters as neutrophil-lymphocyte-ratio (NLR), platelets-lymphocyte-ratio (PLR) and mean-platelet-volume (MPV) in infants with febrile urinary tract infection until the urine cultures are resulted.

Methods: Infants between 2-24 months hospitalized for the first febrile urinary tract infections were grouped as those infected with ESBL-PB and non-ESBL-PB. The demographic and laboratory data (inflammation markers and hemogram parameters) and the ultrasonographical findings were compared between the two groups.

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We evaluated the demographic features, etiologic risk factors, treatment strategies, and outcome of the infants and children with urolithiasis (UL). A retrospective multicenter study was conducted including 23 Pediatric Nephrology centers in Turkey. The medical records of 2513 children with UL were reviewed.

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We aimed to evaluate the agreements between the guidelines used for both office blood pressure (OBP) and ambulatory blood pressure monitoring (ABPM). Our secondary aim was to define the best threshold to assess children at risk of left ventricular hypertrophy (LVH). Thresholds proposed by the Fourth Report (FR), European Society of Hypertension (ESH), and American Academy of Pediatrics (AAP) for OBP and the Wühl, ESH, and American Heart Association (AHA) for ABPM were used, and nine different BP phenotype combinations were created.

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Objective: We aimed to evaluate the effects of blood pressure (BP) values obtained by 24-h ambulatory BP monitoring (ABPM) of hypertensive children and adolescents on left ventricular mass index (LVMI).

Methods: Patients diagnosed with HT with BP measurements confirmed with ABPM and evaluated with echocardiography for LVMI were included. The patients were divided into two groups according to their BMI as obese and nonobese.

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Aim: This study aimed to present the demographic, clinical, and laboratory features of children clinically diagnosed with familial Mediterranean fever (FMF) and to predict more severe mutations by evaluating those findings.

Methods: We enrolled cases diagnosed with FMF with a defined variation in at least one allele. The medical charts of the patients were reviewed retrospectively.

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Article Synopsis
  • MIS-C is a serious condition in kids that can happen due to COVID-19, and having a fever is one of its main signs.
  • Two girls, one 8 years old and the other 16, were diagnosed with MIS-C but also had some unusual kidney issues.
  • Doctors need to be very careful when diagnosing MIS-C because its symptoms can look like other serious infections, like acute focal bacterial nephritis (AFBN).
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Background: Since the emergence and worldwide spread of the new coronavirus (COVID-19) pandemic, it has caused people to experience adverse psychological effects. This study aimed to assess anxiety levels during COVID-19 in children with chronic kidney disease (CKD), including nephrotic syndrome (NS) and kidney transplantation (Tx).

Methods: A case-controlled, cross-sectional study was conducted with children aged 10-18 years, who had a diagnosis of CKD or NS, or Tx, and followed in our center between April and July 2020.

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