Publications by authors named "Cetinkaya R"

Purpose: This study aimed to the detect of structural and functional changes in the retina and choroid in patients with vitiligo using optical coherence tomography (OCT) and optical coherence tomography angiography (OCTA).

Materials And Methods: Thirty patients with vitiligo and 30 healthy participants were enrolled in the study. Central macular thickness (CMT), retina nerve fiber layer (RNFL) thickness, choroidal thickness (CT), foveal avascular zone (FAZ) area, and superficial and deep vascular density (VD) ratios were compared between the groups.

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Objective: In the hepatitis C virus (HCV) diagnostic algorithm, an anti-HCV screening test is recommended first. In countries with low HCV prevalence, anti-HCV testing can often give false-positive results. This may lead to unnecessary retesting, increased costs, and psychological stress for patients.

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Article Synopsis
  • The introduction of biologic therapies combined with a 'treat-to-target' strategy may have positively influenced the progression of ulcerative colitis (UC) in newly diagnosed patients.
  • A study involving 877 adult patients with UC showed that a significant portion was in remission after one year, with low rates of disease progression and colectomy.
  • The findings suggest that early treatment with biologics correlates with better outcomes, highlighting the importance of timely intervention in managing UC.
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Objective: Helicobacter pylori (Hp) eradication therapy is crucial for preventing the development of gastritis, peptic ulcers, and gastric cancer. An increase in resistance against antibiotics used in the eradication of Hp is remarkable. This meta-analysis aims to examine the resistance rates of Hp strains isolated in Turkey over the last 20 years against clarithromycin (CLR), metronidazole (MTZ), levofloxacin (LVX), tetracycline (TET), and amoxicillin (AMX) antibiotics.

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Objective: This case series aims to provide a comprehensive description of the utilization of doppler ultrasonography (USG) and computerized tomography angiography (CTA) in evaluating patients with earthquake-induced crush injuries in the emergency department (ED).

Methods: This retrospective case series was conducted on 11 patients who presented with crush injuries following a seismic event. These patients underwent initial assessment using doppler USG, with CTA performed when deemed necessary.

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Background: Dietary recommendations in inflammatory bowel disease (IBD) are inconclusive, and patients may follow restrictive diets with increased risk of malnutrition. The aim of this study was to compare dietary intakes and nutritional status in men and women with newly diagnosed IBD with a general population sample, and to investigate whether intakes were in line with the Nordic Nutrition Recommendations.

Methods: This was a cross-sectional study including adults≥ 40 years with IBD from the Inflammatory Bowel Disease in South-Eastern Norway (IBSEN) III cohort study.

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  • Klebsiella pneumoniae infections are rising, particularly carbapenem-resistant strains, posing a significant threat to hospitalized patients.
  • The study analyzed 50 carbapenem-resistant isolates from different regions in Turkey, using various methods for antibiotic susceptibility and genetic typing.
  • Findings revealed high resistance rates to common antibiotics, with ST 2096 as the predominant sequence type, indicating widespread clonal populations and potential inter-hospital transmission in Turkey.
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Objective: The objective of this study is to compare patients with severe and mild blunt thoracic trauma, who survived an earthquake and presented to the emergency department (ED), in order to identify factors influencing the severity of trauma in earthquake-related thoracic injuries.

Methods: This retrospective, cross-sectional, observational comparative study included patients with isolated thoracic injuries due to the February 6th Kahramanmaraş earthquake. The patients were categorized into severe and mild groups based on chest trauma scoring (CTS), and their characteristics were compared.

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Objectives: Identifying early predictors of dialysis requirements in earthquake-related injuries is crucial for optimal resource allocation and timely intervention. This study aimed to develop a predictive scoring system, named SAFE-QUAKE (Seismic Assessment of Kidney Function to Rule Out Dialysis Requirement), to identify patients at high risk of developing acute kidney injury (AKI) and requiring dialysis.

Methods: A retrospective analysis was conducted on a cohort of 205 patients presenting with earthquake-related injuries.

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Background And Aims: Although fatigue is common in inflammatory bowel disease [IBD], its pathogenesis remains unclear. This study aimed to determine the prevalence of fatigue and its associated factors in a cohort of patients newly diagnosed with IBD.

Methods: Patients ≥18 years old were recruited from the Inflammatory Bowel Disease South-Eastern Norway [IBSEN III] study, a population-based, observational inception cohort.

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Objective: To create an efficient and robust mass spectrometric method for the simultaneous quantitation of podocin and podocalyxin in urine samples and to evaluate urinary podocin and podocalyxin levels in patients with nephrotic syndrome (NS).

Methods: A mass spectrometric method was generated for the measurement of tryptic peptides in urine sediment. Separation of peptides was achieved via liquid chromatography, and mass spectrometric analyses were conducted by electrospray ionization triple-quadrupole mass spectrometry in the multiple reaction monitoring mode.

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Article Synopsis
  • Mature microRNAs (miRNAs) are short RNA sequences crucial for regulating target RNAs post-transcriptionally, following a complex production process that starts in the nucleus and ends with their incorporation into RISC in the cytosol.
  • The binding of these miRNAs to target mRNAs can either degrade the mRNA or inhibit translation, which affects protein production, but in some cases, it can enhance protein synthesis instead.
  • Despite substantial research, there are still challenges in computationally predicting miRNA regulation, which is necessary for understanding the intricate miRNA-target interactions and could lead to advancements in the field.
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MicroRNAs are RNAs of about 18-24 nucleotides in lengths, which are found in the small noncoding RNA class and have a crucial role in the posttranscriptional regulation of gene expression, cellular metabolic pathways, and developmental events. These small but essential molecules are first processed by Drosha and DGCR8 in the nucleus and then released into the cytoplasm, where they cleaved by Dicer to form the miRNA duplex. These duplexes are bound by the Argonaute (AGO) protein to form the RNA-induced silencing complex (RISC) in a process called RISC loading.

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Objective: The prevalence of Pseudomonas aeruginosa has remained stable in recent years, and resistant strains has increased dramatically. In this meta-analysis, we aimed to analyze the P. aeruginosa strains isolated from blood cultures in Turkey during the last 11 years and to reveal their antimicrobial susceptibility.

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Article Synopsis
  • The study aims to investigate how modern treatments for inflammatory bowel disease (IBD) might alter its natural course through a new population-based cohort called IBSEN III.
  • This ongoing study includes both adults and children from South-Eastern Norway (2.95 million residents) diagnosed with suspected IBD between 2017 and 2019, with comprehensive data collection at diagnosis and follow-ups.
  • The cohort consists of 2168 patients, primarily with Crohn's disease and ulcerative colitis, and includes a unique biobank of biological samples, which will contribute valuable insights into IBD research in the future.
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Background: In this study, we aimed to investigate the efficacy and safety of sofosbuvir-based therapies in the treatment of chronic hepatitis C in real-world clinical practice.

Methods: Data from patients with chronic hepatitis C treated with SOF/LDV ± RBV or SOF/RBV in 31 centers across Turkey between April 1, 2017, and August 31, 2018, were recorded in a nationwide database among infectious disease specialists. Demographics, clinical, and virological outcomes were analyzed.

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Background And Objectives: An effective treatment option is not yet available for SARS-CoV2, which causes the COVID-19 pandemic and whose effects are felt more and more every day. Ivermectin is among the drugs whose effectiveness in treatment has been investigated. In this study; it was aimed to investigate the presence of gene mutations that alter ivermectin metabolism and cause toxic effects in patients with severe COVID-19 pneumonia, and to evaluate the effectiveness and safety of ivermectin use in the treatment of patients without mutation.

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  • Peripheral lymphadenopathy (LAP) is a common abnormal finding during medical exams, and a study involving 1401 patients aimed to identify its causes and relevant clinical factors.
  • The study found that 62% of LAP cases had nonspecific causes, with extrapulmonary tuberculosis being the most common specific reason for LAP (16.8%).
  • Key factors such as age, lymph node size, and laboratory parameters helped differentiate between infectious and malignant causes of LAP, suggesting clinicians can use these insights to improve diagnosis and treatment strategies.
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Purpose: Autosomal dominant polycystic kidney disease (ADPKD) is the most common hereditary kidney disease that may progress to end-stage renal disease, characterized by increased kidney volume due to cystic formations. In this study, we aimed to investigate the relationship between serum uromodulin levels, total kidney volume and estimated glomerular filtration rate (eGFR) in patients with ADPKD.

Methods: This study included a total of 54 ADPKD patients and 18 healthy volunteers (control group).

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Encapsulated peritoneal sclerosis (EPS) is a rare, but frequently fatal, long-term complication of peritoneal dialysis. Endometriosis is a common gynecological problem but hemoperitoneum due to endometriosis has been reported to be extremely rare in hemodialysis (HD) patients. A 25-year-old female HD patient was admitted to our clinic with nausea, vomiting, abdominal pain, and weight loss for last 3 months.

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Objective: To determine the clinical characteristics of patients with cystic echinococcosis and the diagnostic and therapeutic approaches used.

Methods: This is a multicentre, retrospective study. Patients from six centres who were diagnosed with hydatid cysts in the last five years were evaluated.

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Purpose: The European Union Driver License Committee recently developed a questionnaire as a screening tool for obstructive sleep apnea (OSA) named the European Obstructive Sleep Apnea Screening (EUROSAS) questionnaire for drivers. We sought to address the reliability of the Turkish version of this questionnaire.

Methods: The EUROSAS was translated into Turkish.

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Focal segmental glomerulosclerosis (FSGS) and other glomerulonephritis due to the use of 5-aminosalicylic acid derivatives have been reported in the literature. A 38-year-old male who had been using mesalazine for four years because of ulcerative colitis applied to doctor due to swelling in the lower extremities. The patient was diagnosed with nephrotic syndrome (NS).

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Background: Smoking, alcohol use, performing regular physical exercise, dietary habits, and anxiety level may cause platelet activation. We aimed to evaluate the anxiety levels, smoking status, alcohol intake, and sportive habits of donors, and determine their impact on the quality of apheresis-platelets.

Methods: State and Transient Anxiety Inventory (STAI) was used to determine the level of donors' anxiety.

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Objective: Since symptomatic toxoplasmosis in in human immunodeficiency virus (HIV)/Acquired immunodeficiency syndrome (AIDS) almost always occurs as a result of reactivation of chronic infection, screening Toxoplasma serology has an important role in the follow up of the main disease in these populations. In this meta-analysis, we aimed to reveal the difference in the seroprevalence rates of infection between groups in relation to CD4 counts (CD4-counts ≥200 and <200 cells/mm) HIV-infected population.

Methods: The meta-analysis was performed by searching for the studies in English that were published in the last 20-year period in databases including PubMed, Google Scholar, Embase, Science Direct and Web of Science.

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