Publications by authors named "Arıkan A"

This article investigates cross-cultural differences in analytic/holistic cognitive styles among participants from 11 countries: Armenia, Australia, Brazil, Bulgaria, Czechia, Germany, Ghana, Philippines, Slovakia, Taiwan, and Türkiye. Using a preregistered design, 993 university students were assessed with three perceptual tasks based on Navon's hierarchical figures and Gottschaldt's embedded figures. Analytic and holistic cognitive styles were estimated using reaction time modeling, specifically a Bayesian four-parameter shifted Wald distribution and a hierarchical linear ballistic accumulator model.

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  • Fluid overload (FO) in critically ill children is linked to increased morbidity and mortality, and while CRRT is used to manage FO, its impact on children's heart function is not well understood.* -
  • This study analyzed 17 children receiving CRRT, finding that those with FO greater than 15% had significantly higher systemic vascular resistance and lower cardiac indices, though heart rate and mean arterial pressure remained stable.* -
  • The findings suggest that FO negatively affects the hemodynamic profile in children on CRRT, and highlight the potential of using electrocardiometry to study these effects further.*
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  • Surgery is often considered for patients with mallet fractures, especially if there is significant joint displacement or subluxation, but outcomes can be unsatisfactory and the best surgical approach is debatable.
  • The study aimed to analyze the angle of the fracture line (FLA) in relation to the long axis of the distal phalanx and how it might aid in choosing treatment strategies.
  • Researchers found a consistent method to measure the FLA and noted a strong correlation in measurements; however, no direct link was observed between the FLA and the percentage of joint surface involved, suggesting that FLA could be useful in treatment decisions.
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Extracorporeal life support (ECLS), including extracorporeal membrane oxygenation (ECMO) and continuous renal replacement therapy (CRRT), are life-saving therapies for critically ill children. Despite this, these modalities carry frustratingly high mortality rates. One driver of mortality may be altered drug disposition due to a combination of underlying illness, patient-circuit interactions, and drug-circuit interactions.

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Background: Complications of prolonged continuous kidney replacement therapy (CKRT) have not been well described. Our objective was to describe mineral metabolism and bone findings in children who required prolonged CKRT.

Methods: In this single center prospective observational study, we enrolled 37 patients who required CKRT for ≥ 28 days with regional citrate anticoagulation.

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Purpose: Novel interventions for the prevention or treatment of acute kidney injury (AKI) are currently lacking. To facilitate the evaluation and adoption of new treatments, the use of the most appropriate design and endpoints for clinical trials in AKI is critical and yet there is little consensus regarding these issues. We aimed to develop recommendations on endpoints and trial design for studies of AKI prevention and treatment interventions based on existing data and expert consensus.

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Purpose: The study aims to compare random-access NeuMoDx values with artus qPCR values to validate the accuracy of NeuMoDx as an alternative to qPCR and provide an equation to convert copies/ml to IU/ml measurements.

Methods: A total of 95 samples, including 61 transplant patient samples (n = 23 urine, n = 38 plasma) as the study group, 28 BKPyV-free samples as the control group, and six quality control samples, were included. One-Way ANOVA, Pearson correlation, Bland-Altman, Passing-Bablok, Deming regression analyses were used for statistical evaluation.

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Background: Intraoperative Continuous Renal Replacement Therapy (iCRRT) can prevent life-threatening complications, facilitate fluid management, and maintain metabolic homeostasis during liver transplantation (LT) in adults. There is a paucity of data in pediatric LT. We evaluated the safety, efficacy, and impact on survival of iCRRT in pediatric LT.

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The distribution of human immunodeficiency virus-1 (HIV-1) subtypes indicates difference from region to region and in risk groups acquiring the disease worldwide. Although subtype C is more in terms of total cases, subtype B is dominant in certain regions, especially in western and central Europe. Molecular epidemiological studies are essential for the control, effective treatment, and understanding in transmission routes of HIV-1 infection.

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Background: Infants with kidney failure (KF) demonstrate poor growth partly due to obligate fluid and protein restrictions. Delivery of liberalized nutrition on continuous kidney replacement therapy (CKRT) is impacted by clinical instability, technical dialysis challenges, solute clearance, and nitrogen balance. We analyzed delivered nutrition and growth in infants receiving CKRT with the Cardio-Renal, Pediatric Dialysis Emergency Machine (Carpediem™).

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Background: After the 2023 Turkey earthquake, thousands of people evacuated to different fields. Earthquake victims still need health care in the evacuation location. This study aims to determine the emergency department (ED) and outpatient clinic utilization characteristics of the evacuated earthquake victims outside the earthquake zone and to provide suggestions for planning the health care facilities in the regions where the evacuated earthquake victims will be placed.

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Background: Laparoscopic splenectomy (LS) is considered the gold standard treatment in adults with idiopathic thrombocytopenic purpura (ITP) refractory to medical therapy. However, the retrieval of the spleen in LS is still a technical challenge, despite the use of various commercial retrieval bags. This study reports the feasibility and reliability of using a saline bag for spleen retrieval in a reduced port splenectomy.

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Accurate diagnosis of urinary tract infections (UTIs) is important as early diagnosis increases treatment rates, reduces the risk of infection and disease spread, and prevents deaths. This study aims to evaluate various parameters of existing and developing techniques for the diagnosis of UTIs, the majority of which are approved by the FDA, and rank them according to their performance levels. The study includes 16 UTI tests, and the fuzzy preference ranking organization method was used to analyze the parameters such as analytical efficiency, result time, specificity, sensitivity, positive predictive value, and negative predictive value.

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Background: Acute kidney injury (AKI) is independently associated with increased morbidity and mortality across the life course, yet care for AKI remains mostly supportive. Raising awareness of this life-threatening clinical syndrome through education and advocacy efforts is the key to improving patient outcomes. Here, we describe the unique roles education and advocacy play in the care of children with AKI, discuss the importance of customizing educational outreach efforts to individual groups and contexts, and highlight the opportunities created through innovations and partnerships to optimize lifelong health outcomes.

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Pediatric acute kidney support therapy (paKST) programs aim to reliably provide safe, effective, and timely extracorporeal supportive care for acutely and critically ill pediatric patients with acute kidney injury (AKI), fluid and electrolyte derangements, and/or toxin accumulation with a goal of improving both hospital-based and lifelong outcomes. Little is known about optimal ways to configure paKST teams and programs, pediatric-specific aspects of delivering high-quality paKST, strategies for transitioning from acute continuous modes of paKST to facilitate rehabilitation, or providing effective short- and long-term follow-up. As part of the 26th Acute Disease Quality Initiative Conference, the first to focus on a pediatric population, we summarize here the current state of knowledge in paKST programs and technology, identify key knowledge gaps in the field, and propose a framework for current best practices and future research in paKST.

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The nephrology and critical care communities have seen an increase in studies exploring acute kidney injury (AKI) epidemiology in children. As a result, we now know that AKI is highly prevalent in critically ill neonates, children, and young adults. Furthermore, children who develop AKI experience greater morbidity and higher mortality.

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Background: Intralesional steroid injection has recently evolved as a novel treatment modality for localized idiopathic granulomatous mastitis (= IGM). We aimed to explore the therapeutic efficacy of local steroid injections (LSI) in patients with severe IGM.

Methods: Fifty-one patients diagnosed with severe IGM were included in the study and treated with either local steroid injection (LSI) alone ( = 25) or combined LSI with systemic oral steroid treatment (OST) ( = 26).

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Background: Children at high risk for prolonged mechanical ventilation (PMV) after liver transplantation (LT) need to be identified early to optimize pulmonary support, allocate resources, and improve surgical outcomes. We aimed to develop and validate a metric that can estimate risk for Prolonged Ventilation After LT (PROVE-ALT).

Methods: We identified preoperative risk factors for PMV by univariable analysis in a retrospective cohort of pediatric LT recipients between 2011 and 2017 (n = 205; derivation cohort).

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Continuous monitoring of arterial blood pressure is clinically important for the diagnosis and management of cardiovascular diseases. Soft electronic devices with skin-like properties show promise in a wide range of applications, including the human-machine interface, the Internet of things, and health monitoring. Here, we report the use of add-on soft electronic interfaces to address the connection challenges between soft electrodes and rigid data acquisition circuitry for bioimpedance monitoring of cardiac signals, including heart rate and cuffless blood pressure.

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Acute kidney injury (AKI) in children is associated with increased morbidity, reduced health-related quality of life, greater resource utilization, and higher mortality. Improvements in the timeliness and precision of AKI diagnosis in children are needed. In this report, we highlight existing, novel, and on-the-horizon diagnostic and risk-stratification tools for pediatric AKI, and outline opportunities for integration into clinical practice.

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: An important Non-Communicable Disease risk factor, hypertension (HT), is highly prevalent and controlled HT rates are not sufficient which increases the risk of developing premature deaths. The purpose of the study is to evaluate differences in all-cause and cardiovascular-related mortality according to HT status by using national data from Chronic Diseases and Risk Factors Survey in Turkey (2011-2017). Cox regression models were used to estimate hazard ratios (HR) for predicting the all-cause and cardiovascular system-related mortalities.

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Article Synopsis
  • - The WE-ROCK study is a multinational collaboration aimed at improving the management and outcomes of children undergoing continuous renal replacement therapy (CRRT) for acute kidney injury (AKI) and fluid overload (FO).
  • - Conducted over three years across 32 medical centers in seven countries, the study involves a retrospective analysis of nearly 1,000 pediatric patients to understand various factors influencing CRRT outcomes.
  • - This research represents the largest international registry of its kind and aims to shed light on practice variability and potential future interventions to enhance patient care in pediatric critical nephrology.
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Background: Axillary lymph node status is one of the most important prognostic factors for breast cancer. Sentinel lymph node biopsy (SLNB) after mastectomy is highly controversial. There is not enough data about SLNB in the early period after nipple-sparing mastectomy (NSM).

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Objectives: This systematic review was conducted to examine the available evidence on the effects of distraction methods during venous blood sampling on pain levels in school-age children.

Design: A systematic review.

Data Sources: Pubmed, Web of Science, Scopus, Science Direct were searched using search terms.

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