Publications by authors named "Aktas A"

New derivatives 6a-m with benzimidazole-indole-amide scaffold were developed, synthesized, and assessed for potential inhibitory effects on α-glucosidase and acetylcholinesterase (AChE). These compounds were synthesized by various amine derivatives. With the exception of two compounds, the α-glucosidase inhibitory activities of the title derivatives were more than that of the positive control acarbose.

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  • - The study investigates the average fluoroscopic time and radiation exposure during basivertebral nerve radiofrequency ablations (BVNRFA), a new treatment for chronic low back pain that utilizes fluoroscopy for precise probe placement.
  • - A total of 55 patients were analyzed; the findings revealed an average fluoroscopic time of 152.5 seconds, with radiation exposure quantified as a cumulative dose of 70.3 mGy.
  • - The results highlight that the average fluoroscopic time required for BVNRFA is approximately 2.5 minutes, contributing valuable data on radiation safety during this procedure.
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Background/aim: Artificial Intelligence (AI) is the capability of computational systems to perform tasks that require human-like cognitive functions, such as reasoning, learning, and decision-making. Unlike human intelligence, AI does not involve sentience or consciousness but focuses on data processing, pattern recognition, and prediction through algorithms and learned experiences. In healthcare including neuroscience, AI is valuable for improving prevention, diagnosis, prognosis, and surveillance.

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Introduction: Localized scleroderma is a rare inflammatory skin disease that causes sclerosis in the dermis and subcutaneous tissue. Oxidative stress may play a role in the etiology or be responsible for the chronicity or progression of the disease.

Objectives: We aimed to investigate the presence of oxidative stress in patients with localized scleroderma by examining thiol-disulfide balance, ischemia-modified albumin (IMA), and prolidase parameters.

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Background: Low skeletal muscle mass and poor muscle quality are associated with poor outcomes in women with breast cancer. However, gaps exist in our understanding of prognostic factors for young women (≤ 40 years), as they often have different body composition than older women. We evaluated pretreatment body composition measures in young women with breast cancer, including associations with overall survival (OS) and progression-free survival (PFS).

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Prior studies examining the neural mechanisms underlying retrieval success and precision have yielded inconsistent results. Here, the neural correlates of success and precision were examined with a memory task that assessed precision for spatial location. A sample of healthy young adults underwent functional magnetic resonance imaging scanning during a single study-test cycle.

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Background: Spleen abscess is a rare and serious condition. Splenectomy and imaging-guided percutaneous catheter drainage (PCD) are the methods used in the treatment, but there is still a debate about the appropriate treatment for the patient.

Methods: The results of 16 patients treated for spleen abscesses in our clinic between 2012 and 2021 were reviewed.

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Background: Malnutrition is common in hospitalized patients with cancer and adversely affects clinical outcomes. We evaluated the prevalence of malnutrition risk, dietitian-identified malnutrition (DIMN), and physician-diagnosed malnutrition (PDMN) at admission.

Methods: This retrospective study included adults diagnosed with a stage I-IV solid tumor malignancy and admitted to Atrium Health Carolinas Medical Center from January 2016 to May 2019.

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The human gut microbiota is an extensive population of microorganisms, and it shows significant variations between periods of optimal health and periods of illness. Vancomycin-resistant (VRE) and carbapenem-resistant (CRKP) are both pathogenic agents (BPAs) that can colonize in the gut after dysbiosis of microbiotal composition following antibiotic treatment. This study aimed to investigate the impact of antibiotics on the microbiotal composition of the gut.

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  • The study evaluates the knowledge and response of dental interns and post-graduate doctors regarding various dental emergencies, revealing that while both groups have similar theoretical knowledge, actual encounter rates for interns are low.
  • Findings showed that syncope is the most commonly seen emergency, and greater experience among doctors correlates with improved intervention skills in specific situations like epilepsy and anaphylactic shock.
  • The research suggests that despite feeling knowledgeable, interns may lack practical skills due to infrequent exposure to emergencies, emphasizing the need for regular training sessions to enhance their preparedness for real-life situations.
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Objective: The aim of the study was to investigate the utilization and outcomes of Hartmann's procedure in the emergency left colon surgery with respect to other stoma interventions.

Patients And Methods: A total of 70 consecutive patients (mean±SD age: 71.1±15.

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  • The study analyzed thiol/disulfide levels and clinical parameters in 90 rosacea patients with various skin subtypes and 30 healthy controls, finding significant differences in oxidative stress markers and eye-related metrics.
  • Key findings indicated that rosacea patients exhibited higher levels of disulfides and lower levels of native thiols, particularly in the erythematotelangiectatic subtype, which also showed worse tear breakup time and quality of life scores.
  • Overall, the results suggest a shift towards oxidative stress in rosacea, especially in patients with the erythematotelangiectatic subtype, correlating with greater ocular discomfort and lower quality of life.
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  • - The study aimed to compare choroidal thickness (CT) and choroidal vascularity index (CVI) in patients with ocular rosacea (OR) across different skin subtypes and with healthy controls.
  • - Results indicated no significant differences in CT between OR patients and healthy controls, but CVI was significantly lower in OR patients, particularly in phymatous and papulopustular subtypes compared to the erythematotelangiectatic subtype and controls.
  • - The conclusion suggests that while CT remains similar across subtypes, CVI indicates ongoing inflammation in phymatous and papulopustular types, highlighting a need for more research on inflammatory factors and CVI in OR.
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Changes in muscle and tendon stiffness may lead to falls in older adults by affecting joint stability and muscle function. This study aims to investigate the changes in stiffness in lower extremity muscles and tendons in the older adults with a fall history. A cross-sectional research design was followed.

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Objective: (Lp) is aerobic, non-spore forming Gram-negative bacteria, which is ubiquitous in freshwater habitats, such as rivers and hot springs, as well as colonizing artificial aquatic environments. The ability of Lp to grow intracellularly within pulmonary macrophages is a prerequisite for the development of infection. Therefore, macrolides can achieve appropriate therapeutic concentrations in eukaryotic cells, such as azithromycin.

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  • α-Amylase inhibition is important for managing diabetes, and the study focused on creating a new thiazole-chalcone hybrid to achieve this effect.* -
  • The synthesized compounds underwent various tests, with compounds 4 c, 4 g, and 4 f showing strong inhibitory effects on α-amylase, but none demonstrated significant antioxidant properties.* -
  • Additionally, the compounds exhibited low hemolytic activity, indicating biocompatibility, and molecular docking studies showed strong binding between the compounds and human pancreatic α-amylase, supporting their potential as antidiabetic drug leads.*
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Prior studies examining the neural mechanisms underlying retrieval success and precision have yielded inconsistent results. Here, their neural correlates were examined using a memory task that assessed precision for spatial location. A sample of healthy young adults underwent fMRI scanning during a single study-test cycle.

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Background And Aim: There are over 60,000 hemodialysis (HD) patients in Türkiye, and the number of patients is increasing yearly. Dialysate flow rate (Qd) is a factor in HD adequacy. Approximately 150 L of water are consumed per session to prepare the dialysate.

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Brain death is defined as the complete and irreversible cessation of the entire brain function, including the brainstem. For the most part, the diagnosis is clinical, and ancillary testing is only needed when clinical criteria are not satisfied. Differences exist in brain death diagnosis policy in the confirmation of brain death with ancillary testing and the particular test used.

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Introduction: Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are life-threatening acute mucocutaneous disorders usually triggered by drugs. In this study, we aimed to evaluate the factors affecting mortality in patients with SJS-TEN.

Methods: Our study is a retrospective cohort study, analyzing data collected from a total of 12 tertiary care centers between April 2012 and April 2022.

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Background: Pyoderma Gangrenosum (PG) is a chronic disease characterized by recalcitrant skin ulcers.

Objective: We aimed to evaluate the demographic, clinical characteristics, treatments and factors affecting the treatment responses of patients with PG.

Methods: We performed a multicenter study of 12 tertiary care centers.

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Central and peripheral giant cell granulomas are benign entities mostly seen in mandibular anterior region at female individuals, usually with observed recurrence. Their etiology is still unclear, as is the optimal method for treating them. The aim of this study was to evaluate the incidence, treatment methods, recurrence rates, and initial and definitive correlation of central and peripheral giant cell granulomas.

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Objective: Knowledge about oral hygiene, gingival bleeding, mineral density, and resorption of jaw bones in patients with hemophilia is limited. We evaluated the periodontal and bone status in such patients.  Material and methods: Forty-eight patients with severe type A/B hemophilia and 49 age- and sex-matched controls were included.

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Objectives: Tertiary hyperparathyroidism, characterized by autonomous overproduction of parathyroid hormone, can be seen in patients with long-standing secondary hyperparathyroidism (pretransplant) or after renal transplant (posttransplant). Parathyroid scintigraphy and ultrasonography are the most commonly used imaging procedures for the preoperative localization of abnormal parathyroid glands. We aimed to evaluate imaging findings in pretransplant and posttransplant tertiary hyperparathyroidism.

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Objective: To test the protective effects of Garcinia kola and curcumin on the ganglion tissues of diabetic rats following the use of autologous vein graft in peripheral nerve transection injury.

Methods: The sciatic nerve on the right side was transected, and anastomosis was performed between the proximal and distal ends using an autologous vein graft. Curcumin and Garcinia kola seed extract were administered daily by oral gavage.

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