Publications by authors named "Fehmiye Gumus"

Fish gelatin, a sustainable substitute for mammalian gelatin, frequently exhibits weaker gel strength and thermal stability, limiting its industrial uses. This study investigated an in vivo method to improve functional characteristics by supplementing Nile tilapia diets with Aronia extract. The control diet (A0) contained no Aronia extract, while the remaining four diets consisted of commercial pelleted feed enriched with 250 mg/kg (A250), 500 mg/kg (A500), 750 mg/kg (A750), and 1000 mg/kg (A1000) of Aronia extract.

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Background: Baseline values and the change of platelet count (PLT) during disease were reported to be associated with prognosis of patients with cancer and intensive care treatment. We aimed to evaluate the association between PLT with the course and prognosis of aneurysmal subarachnoid hemorrhage (SAH).

Methods: Admission (AdmPLT) and the 14-days mean PLT (MeanPLT) values of 763 SAH patients treated between 01/2005 and 06/2016 were recorded and, for further analysis, divided into four categories: <150, 150-260, 261-400 and > 400 × 10/L.

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Poor-grade aneurysmal subarachnoid hemorrhage (PGASAH) is associated with high mortality and morbidity despite advanced treatments. Accurate prediction of prognosis remains a clinical challenge. This study aimed to identify independent risk factors and develop a predictive nomogram for unfavorable outcomes in PGASAH patients.

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Throughout human history, numerous natural disasters, particularly earthquakes, have caused significant destruction to civilizations. On February 6, 2023, 2 major earthquakes struck Turkey. The first occurred at 04:17 local time with a magnitude of 7.

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Background: Clonal hematopoiesis of indeterminate potential (CHIP) is the presence of somatic mutations in myeloid and lymphoid malignancy genes in the blood cells of individuals without a hematologic malignancy. Inflammation is hypothesized to be a key mediator in the progression of CHIP to hematologic malignancy and patients with CHIP have a high prevalence of inflammatory diseases. This study aimed to identify the prevalence and characteristics of CHIP in patients with inflammatory bowel disease (IBD).

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Aim: This study aimed to investigate the effect of the COVID-19 pandemic on the clinical and pathological stages of patients diagnosed with breast cancer.

Method: In this retrospective study, a total of 298 male and female patients over the age of 18 who were diagnosed with breast cancer and who were continuing surgical and oncologic treatment were included.

Results: Of the 298 patients diagnosed with breast cancer, 186 (62.

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Aim: In early-stage breast cancer, the axillary lymph nodes play a crucial role in determining the prognosis of the disease. The rate of lymph node involvement might be a more valuable prognostic factor than the number of positive lymph nodes. Therefore, we aimed to evaluate whether the lymph node ratio (LNR) is a superior prognostic indicator compared to the pathologic lymph node count in early-stage disease.

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One of the current biotechnological applications is nanofiber applications made from algae using the electrospinning technique. Nanofibers containing poly-caprolactone (PCL) extracted from the brown seaweed Hijiki (Sargassum fusiforme) were prepared using electrospinning technique. Water extraction was performed to preserve the integrity of Hijiki components, ensuring their efficacy in subsequent electrospinning and characterization.

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Hoarseness due to recurrent laryngeal nerve (RLN) injury is the most feared complication of thyroid surgery. Scars and anatomical changes caused by previous surgeries make finding the RLN during redo thyroid surgeries difficult. We aimed to analyze the results of the inferior-to-superior dissection technique that we applied to find the RLN in redo surgeries.

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Objectives: Minimally invasive approach to cardiac surgery has been steadily developing and increasingly being performed since the early 1990s. We aimed to present our initial clinical experience and show the feasibility and safety of the right anterior minithoracotomy (RAT) approach for ascending aorta surgery with or without aortic valve involvement.

Methods: This single-center study included 112 patients who underwent ascending aortic replacement with or without aortic valve intervention, between September 2018 and March 2024.

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Article Synopsis
  • The study focuses on keratoconjunctivitis sicca (KCS), a condition in dogs that leads to eye damage due to reduced tear production, particularly in Aksaray Malakli breed dogs.
  • Researchers evaluated fifty healthy dogs showing signs of eye irritation and used tests to measure tear production and film stability.
  • Results indicated that dogs with third eyelid gland prolapse had lower tear production and film stability, highlighting a need for further research to manage KCS in this breed.
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Since the first successful use of cardiopulmonary bypass (CPB), much has changed in its technology, area of use, and management. Despite suggestions in guidelines, the institutional behavior may change based on institutional experience and established habits. This so-called "deviation" may alter management strategies in favorable or unfavorable ways.

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Introduction: The most prevalent head and neck cancer type is laryngeal cancer. Laryngeal cancer susceptibility is increased by a combination of genetic variables and environmental factors. Genetic predispositions that influence the functioning of the immune system can affect tumor development.

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  • This study focuses on identifying extraprostatic extension (EPE) in prostate cancer patients using advanced imaging techniques, highlighting its importance for treatment outcomes.
  • Researchers analyzed MRI scans from 20 patients who underwent surgery, extracting over 200 radiomic features to help differentiate between EPE and non-EPE lesions.
  • The results showed that an MLP neural network model using 18 key features could accurately predict EPE, achieving a sensitivity of 75%, specificity of 79%, and an area-under-curve (AUC) of 0.82, indicating promising predictive capability.
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Objective: The size of unruptured intracranial aneurysms (UIA) remains the most crucial risk factor for treatment decisions. On the other side, there is a non-negligible portion of small ruptured IA and large stable UIA. This study aimed to identify the patients' characteristics related to IA size in the context of IA rupture status.

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Development of acute coronary syndrome (ACS) after aneurysmal subarachnoid hemorrhage (aSAH) strongly affects further neuro-intensive care management. We aimed to analyze the incidence, risk factors and clinical impact of ACS in aSAH patients. This retrospective analysis included 855 aSAH cases treated between 01/2003 and 06/2016.

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Objective: Aneurysmal subarachnoid hemorrhage (aSAH) has a high complications burden, with in-hospital mortality as the most devastating outcome. We aimed to develop and validate a risk score for early prediction of in-hospital mortality after aSAH.

Methods: Data from 2 university hospitals were pooled (n = 1070), with cohorts for score construction (n = 886) and external validation (n = 184).

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Background: We aimed to examine the efficacy of intravenous vitamin C (IV-VC) in the treatment of hospitalized patients with moderate or severe COVID-19.

Method: We conducted a single-center and retrospective study including patients with COVID-19 diagnosis who were hospitalized. Patients were categorized into three groups as those who received low-dose (LDVC group, 2 g/day, n = 183) or high-dose IV-VC (HDVC group, 25 g/day, n = 41) and who did not receive IV-VC (control group, n = 46).

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Mowat-Wilson syndrome (MWS) is a complex disorder caused by heterozygous ZEB2 gene variations creating haploinsufficiency. The main clinical features are evolving facial dysmorphism, intellectual disability, eye and brain malformations, and various organ anomalies. Our study examines 10 Turkish patients, who had clinical diagnosis, underwent evaluation, clinical investigations, and genetic tests in multiple tertiary centers across Türkiye, and were molecularly diagnosed with MWS.

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Article Synopsis
  • Short bowel syndrome (SBS) results from significant small intestine removal, leading to issues like diarrhea and difficulties with drug absorption, which can complicate kidney transplantation.* -
  • A case study is presented of an 18-month-old boy with SBS who successfully underwent kidney transplantation and maintained good health for four years without needing intestinal surgery.* -
  • The immunosuppressive treatment using prednisolone, tacrolimus, and mycophenolate mofetil worked effectively in this patient, suggesting these drugs are viable options for others with SBS undergoing transplantation.*
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  • The study aimed to investigate how primary nephrotic syndrome (PNS) affects brain changes in pediatric patients using diffusion weighted imaging (DWI) and apparent diffusion coefficient (ADC) measurements.
  • Researchers compared 24 PNS patients with 60 healthy children, measuring ADC values in various brain regions, including the thalamus and frontal cortex.
  • Results showed that PNS patients had significantly lower ADC values in specific brain areas, suggesting that systemic complications of PNS may disrupt normal brain tissue diffusion due to reduced blood flow.
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Pulmonary artery sarcoma (PAS) is a rare, aggressive cancer originating from the intimal layer of the pulmonary artery (PA), often mistaken for pulmonary thromboembolism. This case report underscores the complex management of PAS and the necessity of a multidisciplinary approach for accurate diagnosis and treatment. A 52-year-old woman with PAS was diagnosed using imaging and therapeutic tests to distinguish it from pulmonary embolism.

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Objective: Despite recent advances in neuro-intensive care, there is still considerable mortality in patients with aneurysmal subarachnoid hemorrhage (SAH). In this long-term monocentric observational cohort study, we aimed to analyze the rates, timing, and predictors of mortality after SAH.

Methods: All consecutive SAH cases treated between January 2003 and June 2016 were included.

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Background: First-line pembrolizumab monotherapy is a standard of care for platinum-ineligible patients with advanced urothelial carcinoma (UC). No global standardized definition of platinum ineligibility exists. This study aimed to evaluate the efficacy and safety of pembrolizumab monotherapy in patients with UC who met various criteria for platinum ineligibility.

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