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Yildirim Beyazit University Faculty of ... Publications | LitMetric

374 results match your criteria: "Yildirim Beyazit University Faculty of Medicine.[Affiliation]"

Objectives: The aim of this study was to investigate the risk factors that may cause postoperative otomycosis in patients undergoing Chronic Nonsuppurative Otitis Media (CNSOM) surgery.

Methods: In this retrospective study, 409 out of 523 patients met the inclusion criteria. 44 patients diagnosed with otomycosis CNSOM were analyzed.

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Hajdu-Cheney syndrome (HCS), caused by a heterozygous gain of function variant of the NOTCH2 gene, is a rare skeletal dysplasia. Although the main presentation is acro-osteolysis, osteoporosis, and facial dysmorphism, having a wide range of clinical manifestations creates diagnostic difficulties. Here, a 15-year-old male patient with HCS who had no complaints until this age except for two short bone fractures and one vertebral collapse fracture due to a fall was reported.

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Extreme hyperleukocytosis (Leukocyte count >200 × 10/L) in an adolescent young adult (AYA) patient with B-ALL could result in mild symptoms of leukostasis. Hyperleukocytosis requires prompt initiation of therapy with adequate hydration, cytoreduction and prevention of tumor lysis. Ph + B-ALL may present with extreme hyperleukocytosis and may be resistant to initial pre-phase therapy.

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Purpose: To evaluate retinal vascular changes by optical coherence tomography angiography (OCTA) in multisystem inflammatory syndrome in children (MIS-C).

Methods: This cross-sectional study included 21 patients who were diagnosed with MIS-C and had a history of hospitalization, 20 pediatric outpatients with a coronavirus disease 2019 (COVID-19) diagnosis, and 26 healthy children. All patients underwent a detailed ophthalmologic examination and OCTA.

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Objective: Resistance to thyroid hormone beta (RTHβ) is a rare disorder characterized by a fairly heterogeneous clinical presentation due to varying degrees of tissue response to thyroid hormone. The study aimed to evaluate the clinical, laboratory features and genotype-phenotype relationship of Turkish patients with RTHβ.

Methods: Patients who underwent a THRB gene analysis between September 2019 and September 2023 were retrospectively reviewed.

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Objective: Patient satisfaction refers to the degree to which patients' expectations from health care services are met and is a critical indicator used to measure the overall quality of this service. This study aims to analyze overall patient satisfaction and regarding factors in our country, providing valuable insights for policymakers, clinicians, and researchers who aim to improve the quality of health care services and patient outcomes. Furthermore, as a nationwide assessment, this study reveals the potential of big data analytics in health services.

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Purpose: This study aimed to assess the optimal balloon diameter for intravascular ultrasound (IVUS)-guided balloon angioplasty in calcified below-the-knee (BTK) tibial artery lesions.

Methods: Between February 2024 and April 2024, a retrospective review was conducted on 17 patients with Rutherford category 4-6 severely calcified tibial arteries with >70% stenosis, treated with IVUS-guided balloon angioplasty. Sequentially, 3 mm and then 3.

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Article Synopsis
  • Mitochondrial DNA depletion syndromes (MDDSs) are a group of complex genetic disorders being studied for their occurrence in young children with liver problems.
  • The research involved 40 children under 5 years old, mostly showing symptoms like jaundice, liver enlargement, and elevated lactate levels, with a significant diagnosis rate using genetic tests.
  • The findings suggest that common demographic and lab tests aren't enough for diagnosing these inherited conditions, as only 22.5% were diagnosed with MDDS while around 42.5% were diagnosed with more comprehensive genetic analysis.
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Article Synopsis
  • The study assessed the effectiveness of hybrid aortic surgery in 24 patients with complex aortic conditions, focusing on technical success and postoperative outcomes like morbidity and mortality.
  • Different surgical strategies were utilized based on the location of the aortic issue, with notable findings that the femoral incision approach resulted in shorter hospital stays despite higher infection rates in some areas.
  • Overall, the results suggest that hybrid aortic surgery is both a safe and effective method for treating complex cases where standard procedures may not be adequate.
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Outcomes by Retrospective Eligibility for Maintenance Therapy of Patients With Advanced Urothelial Carcinoma: Post Hoc Analysis of the Phase 3 KEYNOTE-361 Trial.

Clin Genitourin Cancer

October 2024

Barts Cancer Centre, St Bartholomew's Hospital, London United Kingdom; Barts Cancer Institute, Barts Health NHS Trust, Queen Mary University of London, London, United Kingdom.

Introduction: The phase 3 KEYNOTE-361 trial of first-line pembrolizumab with or without chemotherapy versus chemotherapy alone in patients with locally advanced or metastatic urothelial carcinoma (la/mUC) completed enrollment before the approval of postchemotherapy maintenance avelumab for patients without progressive disease. This post hoc analysis evaluated the outcomes of patients who received chemotherapy alone in KEYNOTE-361 by retrospective eligibility for subsequent maintenance therapy.

Patients And Methods: Patients in the chemotherapy alone arm were retrospectively categorized as maintenance eligible (received ≥4 cycles of chemotherapy and did not die or experience disease progression within 10 weeks of chemotherapy completion), maintenance ineligible (received <4 cycles of chemotherapy or had progressive disease or died within 0-10 weeks after completion of ≥4 cycles of chemotherapy), and indeterminate eligibility for maintenance therapy (if neither maintenance eligible or ineligible).

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The clinical policy of the Emergency Medicine Association of Türkiye (EMAT) provides guidance on the use of tranexamic acid (TXA) in emergency settings. TXA, an antifibrinolytic drug, is used to control bleeding by inhibiting plasminogen. Its applications have expanded from hemophilia and severe menstrual bleeding to include various forms of trauma and surgery-related bleeding.

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Article Synopsis
  • The study analyzed oxidative stress in the blood of obese and nonobese pregnant women and their babies, involving 30 obese and 35 nonobese participants aged 18-40.
  • Significant findings showed higher levels of oxidative stress markers like disulfide and catalase in obese mothers and their newborns, indicating increased oxidative stress compared to nonobese counterparts.
  • The study highlights the importance of weight management before and during pregnancy to reduce oxidative stress and associated health risks for both mothers and infants.
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Regional variations in psoriatic arthritis: Insights from a nationwide multicenter analysis in Türkiye.

Arch Rheumatol

September 2024

Department of Physical Medicine and Rehabilitation, Division of Rheumatology and Immunology, Sakarya University Faculty of Medicine, Sakarya, Türkiye.

Objectives: The study aimed to investigate and compare clinical features, disease activity, and the overall disease burden among psoriatic arthritis (PsA) patients across seven distinct geographic regions in Türkiye.

Patients And Methods: A multicenter cross-sectional study involving 1,134 PsA patients from 25 referral centers across seven regions was conducted. Demographic and clinical characteristics, comorbidities, joint involvement, extra-articular manifestations, and disease activity measures were evaluated across regions.

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Objective: To evaluate the development of anti-drug antibodies (ADAb) against tumor necrosis factor inhibitors (TNFi) therapy during a 2-year period and search the factors linked to patients with axial spondyloarthritis (axSpA).

Methods: Biologic-naive patients with axSpA were included in this observational study. Serum drug levels and ADAb were measured at weeks 12, 24, 52, and 104 of treatment by enzyme-linked immunosorbent assay (ELISA).

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Background: The literature does not clearly convey the relationship between eminential morphometry and non-contact anterior cruciate ligament (ACL) ruptures. This study attempts to reveal whether there is a relationship between non-contact ACL ruptures and eminential morphometry.

Methods: Knee magnetic resonance images (MRIs) taken for the various indications between January 2022 and June 2023 were retrospectively scanned.

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Article Synopsis
  • Muscle tension dysphonia (MTD) is a voice disorder affecting how laryngeal muscles work, and the study aimed to analyze its acoustic characteristics and explore gender differences in patients.
  • The research reviewed data from 80 patients evaluated between 2015 and 2022, focusing on various acoustic measurements during vowel phonation and counting tasks.
  • Significant findings included higher fundamental frequency (F0) and jitter levels in females compared to males, indicating distinct acoustic profiles that can assist clinicians in diagnosing and treating MTD.
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Background: Our study was conducted to determine the impact of scabies in people living in collective living areas such as tent cities and container cities after the February 6 Kahramanmaraş earthquakes and to show the effectiveness of oral ivermectin treatment on scabies cases because topical treatments could not be used in this period when access to water was limited.

Methods: Among 233 patients diagnosed and treated with scabies in tent and container cities, 192 patients who met the criteria were included in the study. Descriptive statistics were given as number (n), percentage (%), mean, median, standard deviation (SD).

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Euglycemic diabetic ketoacidosis (DKA) is a rare complication of diabetes mellitus (DM) characterized by metabolic acidosis, ketosis, and blood glucose levels < 250 mg/dL. The prevalence of euglycemic DKA is increasing with the popularity of ketogenic (low-carbohydrate) diets. We present herein the case of a patient with newly diagnosed type 1 DM who developed euglycemic DKA following a ketogenic diet.

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Common viral respiratory infections in children with cancer during the COVID-19 pandemic: a multicenter study from Türkiye.

Turk J Pediatr

October 2024

Department of Pediatric Hematology Oncology, Yıldırım Beyazıt University Faculty of Medicine, Ankara Bilkent City Hospital, Ankara, Türkiye.

Article Synopsis
  • During the COVID-19 pandemic lockdown, the study assessed respiratory viral infections in children with cancer, highlighting their clinical impact.
  • Of the 265 episodes evaluated, human rhinovirus/enterovirus was the most common pathogen identified, with significant complications noted, including a higher rate of lower respiratory tract infections.
  • The findings emphasize the necessity for quicker detection and treatment of respiratory viruses to prevent severe outcomes in this vulnerable population.
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Article Synopsis
  • The study compared two shortened MRI protocols for evaluating how rectal cancer patients respond to neoadjuvant chemoradiotherapy (CRT).
  • 62 patients' data were analyzed, focusing on standard MRI methods (T2-WI, T1-WI, DWI) versus two abbreviated protocols (AB1 and AB2).
  • Results showed that both abbreviated protocols effectively measured tumor response with significant reductions in lesion size and lymph node involvement, indicating their reliability for assessing treatment outcomes.
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Article Synopsis
  • The study aimed to assess the impact of the first dose of the Sinovac vaccine on various eye structures in healthy individuals, comparing vaccinated participants to unvaccinated controls.
  • Conducted with 27 healthcare workers who received the vaccine and 25 controls, ophthalmological assessments were done before vaccination and at one week and one month after.
  • Results showed significant increases in choroidal thickness one week post-vaccination, with values returning to baseline after a month; however, other parameters like retinal thickness experienced significant changes only after the first month.
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The discovery of mutations, particularly the KRASG12C variant, has been a milestone in understanding the molecular underpinnings of non-small cell lung cancer (NSCLC). These mutations are associated with aggressive tumor behavior and resistance to conventional therapies, highlighting the urgent need for targeted interventions. In this comprehensive review, we analyze the advancements in KRAS G12C inhibitors for the treatment of non-small cell lung cancer.

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