Publications by authors named "Gueldal Yılmaz"

Objectives: In this study, the Kellgren and Lawrence system was used as the most common radiographic grading system for diagnosis of osteoarthritis in patients defined as Grade III and IV. It is aimed to reveal oxidative stress and cellular immunity status. In this context, the aim is to discuss possible risk parameters regarding disease process and treatment effectiveness.

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Objectives: This study aimed to identify predictors of sepsis in earthquake survivors who underwent either amputation or fasciotomy and to compare these two patient groups across many clinical outcomes, including sepsis.

Patients And Methods: In this retrospective study, a total of 1,608 patients who presented to our hospital following the February 6, 2023, Kahramanmaraş earthquakes were evaluated between February 2023 and March 2023. Of these, 138 patients (65 males, 73 females; median age: 35 years; range, 18 to 74 years) who underwent either fasciotomy or amputation were included in the study.

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Objectives: This study aimed to radiologically evaluate the possible relationship between the body mass index (BMI) and recurrence of varus deformity during the mid-term follow-up of patients treated for medial gonarthrosis.

Patients And Methods: Fifty-six patients (11 males, 45 females; mean age: 53.8±7.

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Objectives: The aim of this study was to assess the effect of Naturagen® 4 Joint product, containing type 1, 2, and 3 collagen, on pain associated with osteoarthritis (OA) and to evaluate its effects on quality of life and physical functioning.

Patients And Methods: This double-blind, randomized, placebo-controlled clinical study included a total of 31 patients (8 males, 23 females; mean age: 53.5±9.

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Background And Objectives: Following an allogeneic hematopoietic stem cell transplant (allo-HSCT), a primary cause of morbidity and mortality is still steroid-refractory acute graft-versus-host disease (SR-aGVHD). Recently, ruxolitinib, an oral inhibitor of JAK1 and JAK2, was approved for use in individuals suffering from SR-aGVHD. This study aimed to analyze the efficacy and toxicity of ruxolitinib in the real world.

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Objective: Duchenne muscular dystrophy (DMD) is a rare X-linked neurodegenerative disorder caused by mutations in the gene. This study examined the efficacy and safety of ataluren, the first oral treatment for DMD with nonsense mutations (nmDMD), in patients in the Middle East.

Methods: This retrospective longitudinal study assessed the outcomes of seven boys with nmDMD who received treatment with ataluren and follow-up at a single center since 2016.

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Background: Patients diagnosed with congenital kidney malformations are at an increased risk of developing hypertension, proteinuria, and progressing to chronic kidney disease (CKD). The present study aimed to determine the frequency of masked hypertension and ambulatory arterial stiffness index (AASI) in patients with congenital kidney malformations.

Methods: The study included 174 patients with congenital kidney malformations (48 patients with unilateral renal agenesis (URA), 40 patients with ectopic kidney (EK), 36 patients with horseshoe kidney (HK), 31 patients with multicystic dysplastic kidney (MCDK), 19 patients with unilateral renal hypoplasia (URH), and 45 healthy controls.

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The ongoing conflicts in the Middle East have led to a substantial influx of Syrian refugees, exposing them to severe traumatic experiences and contributing to a range of mental health issues. This systematic review examines psychotherapeutic interventions employed in psychological treatment studies with Syrian refugees, focusing on 22 articles identified across Scopus, PubMed, Web of Science, and ScienceDirect. The review highlights the need for psychotherapeutic intervention for Syrian refugees due to the high prevalence of post-traumatic stress, depression, anxiety, grief, and loss which results from an increased risk of various forms of violence and exploitation.

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Background: Previous studies in mouse, and zebrafish embryos show strong expression in progenitor cells of neuronal and neural crest tissues suggesting its involvement in neural crest specification. However, the role of human transcription factor activator protein 2 ( in human embryonic central nervous system (CNS), orofacial and maxillofacial development is unknown.

Methods: Through a collaborative work, exome survey was performed in families with congenital CNS, orofacial and maxillofacial anomalies.

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Objectives: This study investigated the utility of specific predictive and discriminative items within the Social Communication Questionnaire (SCQ) for distinguishing between autism spectrum disorder (ASD), intellectual disability (ID), and co-occurring ASD + ID in children.

Methods: A total of 137 children aged 4 to 12 years (52 typically developing (TD), 34 ASD, 26 ID, 25 ASD + ID) were included in the study. Cognitive development assessments were conducted for the ASD, ID, and ASD + ID groups in suitable cases.

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In this study, L. extracts were obtained using various green extraction techniques, including supercritical CO, subcritical ethanol, and ultrasound-assisted extraction, each performed under optimized parameters. The phytochemical content of the extracts was analyzed using the LC-MS/MS technique, quantifying 53 phytochemicals.

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Background: No-reflow is a critical adverse event associated with percutaneous coronary intervention (PCI), particularly during saphenous vein graft (SVG) procedures. The Naples Prognostic Score (NPS) reflects inflammatory status, but its relationship with no-reflow remains unclear. Therefore, we aimed to evaluate the relationship between NPS and no-reflow occurrence following SVG PCI.

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Background: Ultrasonography (USG), which is used as the first step in the diagnosis of acute appendicitis (AA), sometimes cannot visualize the appendix. The aim of this study was to retrospectively analyze the clinical, imaging, and pathology results of these cases and to provide information to clinicians about the next step to be taken.

Methods: The study was performed retrospectively between January 1, 2021 and December 31, 2021.

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Introduction And Objectives: Tissue attenuation reduces the specificity of the myocardial perfusion imaging single photon emission tomography (SPECT), which leads reduced diagnostic accuracy. The aim of this study is to compare performances of non-attenuation corrected (NAC), computed tomography based-attenuation corrected (AC) and prone images for qualitative and semi-quantitative analysis of myocardial perfusion SPECT in diagnosis of coronary artery disease (CAD).

Materials And Methods: Eightysix patients in whom NAC, AC and prone images were obtained with SPECT at Selcuk University Faculty of Medicine, and whose coronary angiography/CT coronary angiography was completed within 3 months, were retrospectively studied.

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Objective: Vitamin D deficiency is common in adult patients undergoing allogenic hematopoietic stem cell transplantation (allo-HSCT). Since vitamin D is an important regulatory factor for the immune system, vitamin D deficiency may have effects on antitumor activity, relapse rates, graft versus host disease (GVHD) occurrence and infection rates in allo-HSCT. We aimed to investigate the effects of vitamin D levels on the outcome of allo-HSCT.

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Electrical status epilepticus in sleep (ESES) is an electrographic pattern associated with cognitive impairment. Our study aimed to prospectively evaluate the psychiatric findings and language skills in patients diagnosed with ESES and to determine the immune modulatory treatment-responsive subgroups. We assessed the patients for psychiatric features and language skills at the baseline and 12 months after.

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Background: The American Academy of Pediatrics recommends screening children for social determinants of health (SDOH).

Purpose: This study aimed to develop a valid and reliable tool for screening SDOH in children and adolescents aged 0-18 through their parents.

Design And Methods: This methodological research was conducted with parents of 748 children admitted to a hospital in Turkey.

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Background: Mortality in patients after carotid artery stenting (CAS), a treatment approach for atherosclerotic carotid artery stenosis, is influenced by numerous factors. This study aimed to investigate the prognostic value of the Naples prognostic score (NPS), which reflects nutritional and inflammatory status, in CAS patients.

Methods: We retrospectively included 697 patients who underwent CAS from January 2016 to December 2020 at our institute.

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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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Orofacial clefting (OFC) is a frequent congenital anomaly and can occur either in the context of underlying syndromes or in isolation (nonsyndromic). The two common OFC phenotypes are cleft lip with/without cleft palate (CL/P) and cleft palate only (CPO). In this study, we searched for penetrant CL/P genes, by evaluating de novo copy number variants (CNV) from an exome sequencing dataset of 50 nonsyndromic patient-parent trios.

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Background: The aim of this study was to investigate the effects of different types of bleaching methods and repolishing on the whiteness index and staining susceptibility of additive and subtractive production resin-based materials and direct composite resins.

Methods: In this study, a total of 96 samples (8*8*2m) were prepared using a nanohybrid composite resin (Neo Spectra-ST (NS)), a subtractive-manufactured nanoceramic resin (Cerasmart270 (CS)), and an additive-manufactured permanent resin (Saremco print Crowntec (CT)). The samples were randomly divided into four treatment groups: control (distilled water, 14 days), in-office bleaching (Opalescence Boost-40% HP, 3*20min), at-home bleaching (Opalescence PF-16% CP, 6 h, 14 days), and toothpaste group (Opalescence Whitening, 2*5min, 14 days) (n:8).

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Background: Owing to its high perishability, the market life of nectarine fruit is very short. Cold storage is a principal approach to limit post-harvest quality loss in nectarines. The objective of this research was to evaluate the impact of postharvest methyl jasmonate (MeJA), salicylic acid (SA) and 1-methylcyclopropene (1-MCP) on quality properties of nectarine fruit, specifically weight loss, firmness, phenolics and antioxidant activity, following cold storage and subsequent shelf life.

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Rationale And Objectives: The study aimed to evaluate demographic and radiological characteristics of breast incidentalomas found on 18-fluorodeoxyglucose Positron Emission Tomography-Computed Tomography (F-FDG PET-CT) performed for extramammary indications.

Materials And Methods: A total of 12633 F-FDG PET-CT scans performed between January 1, 2018 and January 1, 2024, were retrospectively reviewed. Breast incidentalomas that had undergone breast imaging, tissue diagnosis, or at least 2-year radiological follow-up were included.

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Psychogenic non-epileptic seizures (PNES) are episodic events that bear a resemblance to epileptic seizures (ES) in their outward manifestations, yet they lack pathological electroencephalographic (EEG) activity during the ictal phase. In the Diagnostic and Statistical Manual 5th Edition (DSM-5), PNES is designated as "Functional Neurological Symptom Disorder with seizures". Individuals diagnosed with PNES commonly present with concurrent psychiatric disorders, notably depression, panic disorder, and chronic anxiety.

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Objective: The earthquakes that struck Türkiye on February 6, 2023, significantly impacted the province of Hatay. A portion of the patients presenting to emergency departments (ED) following the earthquake were exposed to secondary effects without experiencing direct physical trauma. This study aims to evaluate the demographic, clinical, and psychosocial characteristics of patients presenting to the ED during the early post-earthquake period due to secondary effects, as well as to examine the challenges encountered during this process.

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