Publications by authors named "Yildirim O"

Infectious keratoconjunctivitis is an infectious disease that negatively affects animal welfare causing systemic or local clinical signs in small ruminants and causes significant economic losses in herds. It is important to determine the etiologic agent causing the infection in the development of the protection and control strategies against the disease. The aim of this study was to determine the presence of infectious keratoconjunctivitis cases in small ruminants raised in Siirt province in Türkiye.

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Purpose: To investigate the effects of varicocelectomy on premature ejaculation (PE) in patients with varicocele and infertility.

Methods: A total of 82 sexually active patients aged 18 years or over who had undergone microscopic subinguinal varicocelectomy with a clinical diagnosis of varicocele in 14 urology clinics between October 2021 and March 2023 with primary infertility were evaluated prospectively Patients were evaluated using the Turkish validated form of the 'Premature Ejaculation Diagnostic Tool' (PEDT) scale. A PEDT score of 11 or above was taken to indicate the presence of PE.

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Background: Symmetrical drug-related intertriginous and flexural exanthema (SDRIFE) is an important clinical entity that is rare and may develop with a Type IV delayed type hypersensitivity immune response to drug antigens. The incidence and characteristics of SDRIFE attributed to COronaVIrus Disease of 2019 (COVID-19) vaccines remain unclear, this issue requires further elucidation.

Objective: We aim to investigate the vaccine-related-SDRIFE and potential immunogens of COVID-19 vaccines through a literature review accompanied by a real case.

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: Despite recent advances in research, cancer remains a significant public health concern and a leading cause of death. Among all cancer types, lung cancer is the most common cause of cancer-related deaths, with most cases linked to non-small cell lung cancer (NSCLC). Accurate classification of NSCLC subtypes is essential for developing treatment strategies.

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Erectile dysfunction (ED) and cardiovascular diseases (CVD) share common pathophysiological mechanisms. This study aimed to assess the relationship between ED and its severity with the risk of developing CVD by analyzing changes in the circadian blood pressure (BP) rhythm. In the study, 24-h BP levels of 192 (94 with ED and 98 controls) participants with no history of CVD were evaluated using an ambulatory blood pressure monitoring (ABPM) device.

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Background: Atrial fibrillation (AF) is the most common atrial arrhythmia after transcatheter aortic valve implantation (TAVI) and is associated with high mortality. Although some clinical and echocardiographic variables have been defined to predict new-onset atrial fibrillation (NOAF), electrophysiologic (EP) parameters have not been identified yet. We aimed to investigate the impact of atrial refractoriness on NOAF after TAVI.

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Endometrial cancer (EC) is increasing incidence among women, and it constitutes a health problem for women globally. An important aspect of EC management involves the use of protein biomarkers for early detection and monitoring. Protein biomarkers allow the identification of high-risk patients, the detection of the disease in its early stages, and the assessment of treatment responses.

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Conventional MRI is currently the preferred imaging technique for detection and evaluation of malignant spinal lesions. However, this technique is limited in its ability to assess tumor viability. Unlike conventional MRI, dynamic contrast-enhanced (DCE) MRI provides insight into the physiologic and hemodynamic characteristics of malignant spinal tumors and has been utilized in different types of spinal diseases.

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Objective: To develop an efficient and easy-to-use nomogram that can predict testicular sperm extraction (TESE) success in men with non-obstructive azoospermia (NOA) by using pre-operative parameters.

Materials And Methods: Data of 3093 men who underwent TESE for NOA were included in this study. Demographic data, testis volumes, presence of varicocele, length of infertility, history of previous surgeries, history of genitourinary infections, smoking status, chromosome abnormalities, presence of Y-chromosome microdeletion, family history of infertility, testis biopsy, surgical data, sperm retrieval rate, final pathology obtained at TESE, follicle-stimulating hormone, luteinizing hormone, and testosterone levels were recorded.

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Article Synopsis
  • Cyclophosphamide (CP) is an effective anticancer drug but can cause severe toxicity to the liver and other organs, limiting its use.
  • This study aims to investigate the protective effects of selenium (Se) and boron (B) against liver damage caused by CP in experimental rats, comparing their efficacy.
  • Results show that both Se and B can reverse the harmful effects of CP on liver health, with Se providing slightly better protection compared to B.
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Background And Study Aim: There are several studies comparing patients treated with lamivudine and those not given antiviral therapy in acute hepatitis B. Some of these studies showed that antiviral treatment significantly contributed to survival, whereas one other study suggested that antiviral treatment had no effect. The aim of this study was to investigate the efficacy of tenofovir disoproxil fumarate (TDF) therapy and its effect on HBsAg seroconversion in patients with acute viral hepatitis B.

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Background: Aortic valve stenosis (AS) is a common valvular heart disease, especially in the elderly, and is associated with a high prevalence of atrial fibrillation. Although the risk of atrial fibrillation is expected to decrease after the intervention, atrial fibrillation develops in many patients undergoing surgical or percutaneous transaortic valve implantation. We aimed to evaluate atrial refractoriness since it may play a key role in the occurrence of atrial fibrillation after transaortic valve implantation.

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Objective: The aim of this study was to determine the plasma pharmacokinetics of oxytetracycline (OTC) in rainbow trout () of different body sizes.

Methods: The research was carried out on three groups as small (30-50 g), medium (90-110 g) and large (185-215 g) body sizes at 8 ± 0.5 °C.

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Article Synopsis
  • The prognosis for patients with central nervous system retinoblastoma (RB) after high-dose chemotherapy and stem cell transplant remains poor, and the effects of radiation therapy used afterward are unclear.
  • A study reviewed data from 16 patients with CNS RB who received chemotherapy followed by high-dose stem cell transplant, observing a 75% response rate to initial treatment.
  • Patients who received radiation therapy post-transplant had a 62.5% survival rate at 5 years, while those who did not only had a 28.6% survival rate, suggesting that radiation could improve outcomes and warrants further clinical trials.
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Objective: Psychiatric hospitalization serves as a critical treatment modality. However, hospitalization may pose risks of traumatization or stigma. This study primarily examined the internalized stigma and traumatizing effects of psychiatric hospitalization on adolescents.

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: The aim of the current study is to evaluate the effects of inflammation markers on infection and mortality in patients over 65 years of age monitored in the intensive care unit (ICU). In this study, we attempted to determine the significance of the pan-immune-inflammation value (PIV); the neutrophil-lymphocyte ratio (NLR); the platelet-lymphocyte ratio (PLR); the monocyte-lymphocyte ratio (MLR); the systemic immune-inflammatory index (SII); the systemic immune response index (SIRI); multi-inflammatory indices (MIIs) 1, 2, and 3; and the CRP/albumin ratio (a new biomarker) as prognostic and mortality markers in patients over 65 years of age being monitored in the ICU. : This multicenter, retrospective, cohort study was conducted on patients aged 65 and over who were admitted to two tertiary-level ICUs.

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Objectives: Breast cancer is a type of cancer caused by the uncontrolled growth of cells in the breast tissue. In a few cases, erroneous diagnosis of breast cancer by specialists and unnecessary biopsies can lead to various negative consequences. In some cases, radiologic examinations or clinical findings may raise the suspicion of breast cancer, but subsequent detailed evaluations may not confirm cancer.

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β-Lactams are the most widely used antibiotic family in the world. Nevertheless, they also stand out as the primary culprits for inducing drug hypersensitivity reactions (HSR). Between May 2018 and March 2023, patients with suspected HSRs to β-lactams, who underwent skin tests (ST), were retrospectively screened.

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Pancreatic leaks occur when a disruption in the pancreatic ductal system results in the leakage of pancreatic enzymes such as amylase, lipase, and proteases into the abdominal cavity. While often associated with pancreatic surgical procedures, trauma and necrotizing pancreatitis are also common culprits. Cross-sectional imaging, particularly computed tomography, plays a crucial role in assessing postoperative conditions and identifying both early and late complications, including pancreatic leaks.

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Gram-negative bacteria pose a major challenge in antibiotic drug discovery because their cell envelope presents a permeability barrier that affords high intrinsic resistance to small-molecule drugs. The identification of correlations between chemical structure and Gram-negative permeability would thus enable development of predictive tools to facilitate antibiotic discovery. Toward this end, have advanced a library design paradigm in which various chemical scaffolds are functionalized at different regioisomeric positions using a uniform reagent set.

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Background: In mucinous rectal cancer, it can be difficult to differentiate between cellular and acellular mucin. The purpose of this study was to evaluate, in patients with mucinous rectal cancer, the value of static enhancement (enh) and pharmacokinetic parameters of dynamic contrast-enhanced (DCE) magnetic resonance imaging (MRI) in predicting pathologic complete response.

Methods: This retrospective cross-sectional study performed at Memorial Sloan Kettering Cancer Center included 43 patients (24 males and 19 females; mean age, 57 years) with mucinous rectal cancer who underwent MRI at baseline as well as after neoadjuvant chemoradiotherapy but before surgical resection between 2008 and 2019.

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Distinguishing treatment-induced imaging changes from progressive disease has important implications for avoiding inappropriate discontinuation of a treatment. Our goal in this study is to evaluate the utility of dynamic contrast-enhanced (DCE) perfusion MRI as a biomarker for the early detection of progression. We hypothesize that DCE-MRI may have the potential as an early predictor for the progression of disease in GBM patients when compared to the current standard of conventional MRI.

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Background And Purpose: The aim of this study was to determine the diagnostic value of fractional plasma volume derived from dynamic contrast-enhanced perfusion MR imaging versus ADC, obtained from DWI in differentiating between grade 2 (low-grade) and grade 3 (high-grade) intracranial ependymomas.

Materials And Methods: A hospital database was created for the period from January 2013 through June 2022, including patients with histologically-proved ependymoma diagnosis with available dynamic contrast-enhanced MR imaging. Both dynamic contrast-enhanced perfusion and DWI were performed on each patient using 1.

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Background: The use of high-sensitivity troponin levels increases the sensitivity of the diagnosis of non-ST elevation myocardial infarction (NSTEMI). However, the inclusion of other factors in the differential diagnosis, apart from atherothrombosis causing myocardial injury, decreases the specificity of high-sensitivity troponin. In this study, we compared the efficacy of high-sensitivity troponin with serum oncostatin M in NSTEMI cases with elevated urea and creatinine.

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