Publications by authors named "Gueldan Kahveci"

: This study aimed to evaluate the clinical outcomes, complications, and one-year mortality of patients undergoing percutaneous endoscopic gastrostomy (PEG) in different care settings (hospital, nursing home, and home). Additionally, we investigated the comparative prognostic role of the prognostic nutritional index (PNI) and the CRP-to-albumin ratio (CAR) in predicting mortality among these patients. : A retrospective analysis of 236 adult patients who underwent PEG placement between January 2022 and December 2023 was performed.

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Objectives: The purpose of this study was to evaluate Eustachian tube function in patients with Behçet's disease (BD).

Patients And Methods: Forty-six patients (22 males, 24 females; mean age: 42.1±11.

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Hypersensitivity reactions (HRs) to iron agents are increasing in parallel with increased use of iron preparations. We aimed to evaluate the clinical features and our previous desensitization protocol in patients with immediate hypersensitivity reactions (IHR) to iron agents. We screened the medical records of 96 patients with a history of IHRs to oral or intravenous (IV) iron agents.

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Introduction: In the principles of intensive care, nutritional support is an important part of critical care. This study was conducted to evaluate the adequacy of enteral nutrition in patients hospitalised in adult intensive care units.

Methods: The present study was designed as a cross-sectional study and it was carried out on 124 patients who received enteral nutrition in the adult intensive care unit of a training and research hospital between 01.

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Objective: The objective of this study was to investigate the prevalence of latent tuberculosis (TB) infection (LTBI) and its associated factors in patients with inflammatory rheumatic diseases (IRDs) prior to the administration of biologic and targeted synthetic disease-modifying antirheumatic drugs (bDMARDs/tsDMARDs).

Material And Methods: A total of 402 patients with IRDs who were receiving bDMARDs/tsDMARDs from tertiary rheumatology centers in three different geographical regions were included in the study. Demographic, clinical, and TB-related characteristics were documented.

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Objectives: This study aimed to investigate the diagnostic performance of measuring intima-media thickness (IMT) and whole wall thickness (WWT) of deep and superficial veins in the lower extremity of Behcet's disease (BD).

Methods: This cross-sectional study included 67 Behcet patients and 64 healthy control subjects. IMT and WWT of the common femoral (CFV) and great saphenous veins (GSV) were measured by a blinded radiologist using ultrasound.

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Monogenic obesity, characterized by severe, early-onset obesity due to single-gene defects, often resists traditional weight management strategies. This report presents real-life experiences on the efficacy and safety of setmelanotide, an MC4R agonist, in 4 prepubertal children (ages 3-9) with LEPR and POMC deficiencies. Findings indicate that setmelanotide is effective at lower doses in our patients with POMC deficiency (0.

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Background: Patient advisory groups are key to guiding research studies through meaningful engagement with the population of interest. Although patient advisory groups are greatly valuable to research studies, they are underutilized in inflammatory bowel disease research. Thus, this study aims to describe the development and implementation of a patient advisory group and evaluate the perspectives of researchers and members.

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Male reproductive proteins frequently evolve rapidly in animals, potentially due to adaptive evolution driven by sperm competition, polyspermy avoidance, or pathogen defense. Alternatively, elevated rates of protein change may be due to relaxed constraint. The prostate-specific protease KLK3 has experienced dynamic evolution since its origin stemming from a gene duplication in the ancestor of all Old World primates, with instances of rapid evolution, stasis, and pseudogenization.

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: Endoscopic resection with lift polypectomy using submucosal injection (SI) for large non-pedunculated colorectal polyps is recommended to facilitate complete mucosal resection and decrease the risk of perforation; however, there are no studies comparing the safety and efficacy of large polypectomies with and without lift polypectomy. We aimed to evaluate the feasibility and safety of the polypectomy technique without SI compared to the routine use of SI. : We performed a single tertiary center retrospective study evaluating all consecutive large non-pedunculated colorectal polyps (≥20 mm) referred to expert endoscopists in polypectomy from 2018 through 2021.

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Purpose: This original study aimed to examine the relationship of emotional intelligence and passion to decision-making in surgical nurses.

Design: It is a descriptive, relational study.

Methods: This study was conducted with 166 surgical nurses.

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NMDAR antagonists, such as memantine and ketamine, have shown efficacy in treating neurodegenerative diseases and major depression. The mechanism by which these drugs correct the aforementioned diseases is still unknown. Our study reveals that these antagonists significantly enhance 20S proteasome activity, crucial for degrading intrinsically disordered, oxidatively damaged, or misfolded proteins, factors pivotal in neurodegenerative diseases like Alzheimer's and Parkinson's.

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Motivation: Network motif identification (MI) problem aims to find topological patterns in biological networks. Identifying disjoint motifs is a computationally challenging problem using classical computers. Quantum computers enable solving high complexity problems which do not scale using classical computers.

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Purpose: This study aims to compare the prevalence of depression and related geriatric syndromes in earlier-onset rheumatoid arthritis (EORA) patients, who have experienced prolonged inflammation and medication use, with those with late-onset rheumatoid arthritis (LORA) patients, who often present with an acute and severe course.

Methods: In this multidisciplinary study, patients with EORA and LORA aged 60 and over who were referred to a tertiary rheumatology clinic underwent a geronto-rheumatologic evaluation. Muscle mass and handgrip strength, cognitive function, nutritional status, Fried frailty index, fall history, gait speed, depression according to Geriatric Depression Scale and Insomnia Severity Index were recorded.

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Background: The precise etiology of hypoplasia of the posterior mitral valve leaflet (PMVL) remains incompletely elucidated; however, it has been hypothesized to stem from genetic mutations occurring during fetal development. Herein, we present the anatomical characteristics of the mitral valve and associated cardiac pathologies in patients with hypoplastic PMVL.

Methods: This single-center retrospective study involved patients who presented between 2015 and 2021 at a tertiary healthcare facility.

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Organoids are self-assembled 3D cellular structures that resemble organs structurally and functionally, providing platforms for molecular and therapeutic studies. Generation of organoids from human cells often requires long and costly procedures with arguably low efficiency. Prediction and selection of cellular aggregates that result in healthy and functional organoids can be achieved by using artificial intelligence-based tools.

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Article Synopsis
  • - A fermented beverage enriched with gamma-aminobutyric acid (GABA) was developed using pectin from pomegranate peels and hydrolysates derived from them, targeting their prebiotic properties.
  • - Pectin was extracted from pomegranate peels, yielding 8.91%, and various enzyme concentrations and hydrolysis times were tested, leading to notable variations in the degree of esterification of the resulting hydrolysates.
  • - The hydrolysate that had high glucose content was applied to carrot juice fermentation, resulting in increased GABA levels and positive effects on total phenolic content and antioxidant activity, confirming the potential of pectin hydrolysate as a prebiotic in functional beverages.
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The approach-avoidance task (AAT) probes tendencies contributing to unwanted behaviours, like excessive snacking, by measuring RT differences between approach and avoidance responses to different stimuli. It retrains such tendencies using repeated avoidance of appetitive stimuli and approach of healthy alternatives. The most common paradigm, the irrelevant-feature AAT, conceals these stimulus-response contingencies by requiring approach or avoidance based on features irrelevant to the tendencies (e.

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Cardiomyopathy, which is shortly defined as a disease of the myocardium, has a broad definition that includes many different diagnoses. Recent advances in cardiac imaging techniques, including basic and advanced echocardiography, computed tomography, nuclear medicine, and cardiac magnetic resonance, allow for a more accurate evaluation of volumes and thickness of cardiac chambers, systolic and diastolic function of the ventricules, and tissue structure. Multimodality imaging often provides the first clinical suspicion for specific etiologies, especially when the medical and family history is unclear, by identification of red flags of underlying systemic diseases.

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Carbapenem-resistant Klebsiella pneumoniae (CRKp) infections continue to be an important cause of mortality. In this retrospective study, the effect of carbapenem or colistin resistance on mortality in Klebsiella pneumoniae bacteremia and combined meropenem + colistin administration in CRKp bacteremia was evaluated. In addition to that, a mathematical model is applied to explore the relationships between the resistance and mortality.

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While it has become standard practice to report the reliability of self-report scales, it remains uncommon to do the same for experimental paradigms. To facilitate this practice, we review old and new ways to compute reliability in reaction-time tasks, and we compare their accuracy using a simulation study. Highly inaccurate and negatively biased reliability estimates are obtained through the common practice of averaging sets of trials and submitting them to Cronbach's alpha.

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Chitosan-based nanofibers with excellent properties are attractive materials for specific industrial applications of contemporary interest. This work aims to fabricate functional nanofibers based on poly(vinyl alcohol)/chitosan (CS) with an antioxidant and model drug molecule, gallic acid (GA), by electrospinning, followed by cross-linking through glutaraldehyde (PVA-CS-GAs). PVA-CS-GAs were electrospun at two different concentrations by the adjustment of the CS feeding ratio.

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