Publications by authors named "Ahmet Avci"

Introduction: Hyperbaric oxygen therapy (HBOT) administers 100% oxygen in a pressurised chamber at pressures above 1 atmosphere absolute. Inside hyperbaric personnel accompany patients during sessions and breathe compressed air, exposing them to risks like decompression illness and respiratory changes. This study investigated whether hyperbaric exposure affects the long-term lung function of inside hyperbaric personnel.

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Purpose: Vestibular neuritis (VN) is a common cause of vertigo with significant impact on patients' quality of life. This study aimed to analyze global research trends in VN using bibliometric methods to identify key themes, influential authors, institutions, and countries contributing to the field.

Methods: We conducted a comprehensive search of the Web of Science Core Collection database for publications related to VN from 1980 to 2024.

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Background: Non-ST-segment elevation acute coronary syndrome (NSTE-ACS) has a significant impact on cardiovascular mortality in elderly patients. Identification of high-risk patients is essential to optimize clinical management. This study investigates the relationship between the TyG index and CAD complexity, as measured by the SYNTAX score, in elderly patients with NSTE-ACS.

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Background: We explored the link between sST2 and NT-proBNP levels and postoperative atrial fibrillation (POAF) incidence in non-cardiac surgery patients in this study.

Methods: The research involved 302 participants over 40 years old who underwent medium and/or high-risk non-cardiac surgeries. These patients were divided into two groups: those who developed POAF and those who did not.

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Background: In this study, we aimed to investigate whether there is a relationship between aortic arch calcification (AAC) and hidradenitis suppurativa (HS) in HS patients without cardiovascular disease.

Methods: In this study, patients over 18 years of age who applied to the dermatology outpatient clinic between January 2023 and February 2024 were followed up with the diagnosis of HS without cardiovascular disease, and a healthy control group matched in terms of age and gender were included retrospectively.

Results: In total, 130 patients with HS without cardiovascular disease and 130 control patients were included in the study.

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Objective: Implantable cardioverter defibrillators (ICDs) are the standard treatment for patients with reduced left ventricular ejection fraction (LVEF ≤35%) to reduce the risk of sudden cardiac death. Loop diuretics can cause electrolyte imbalances, leading to an increased incidence of ICD shocks. Sodium-glucose cotransporter-2 inhibitors (SGLT2is) have shown cardiovascular benefits in patients with heart failure (HF), but their effects on ventricular arrhythmias and ICD shocks, particularly in patients receiving different doses of loop diuretics, are not fully understood.

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In this study, we investigated the long-term prognostic effects of fibrinogen levels in patients with resistant hypertension. A total of 266 patients with resistant hypertension who had serum fibrinogen measurements and 5 years of follow-up information were retrospectively included in the study. The patients were stratified according to their fibrinogen levels, which were then divided into tertiles.

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Myocarditis, an inflammatory disease of the myocardium, can range from asymptomatic cases to severe forms such as fulminant myocarditis. The systemic immune-inflammation index (SII) has emerged as a potential biomarker for various inflammatory diseases. This study aimed to determine the effect of SII on the prognosis of young adults with acute myocarditis and compare it with other cardiac markers.

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Noise is the primary cause of hearing loss during space flight. Throughout every phase of flight, particularly during launch, a significant amount of noise is generated and transferred via the vehicle's structure to the places inhabited by the crew. The results of the previous studies provide insights into space flights that may have significant effects on hearing loss.

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Background: Despite advances in treatment, no-reflow, large thrombus burden (LTB), and myocardial blush grade (MBG) are associated with adverse cardiovascular outcomes in ST-elevation myocardial infarction (STEMI) patients undergoing percutaneous coronary intervention (PCI). Aortic arch calcification (AAC) is associated with subclinical atherosclerosis and adverse cardiovascular events. We aimed to examine the relationship between AAC and unfavorable angiographic outcomes such as no-reflow, MBG, and LTB in STEMI patients undergoing PCI.

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Objective: This study aimed to explore the association between the triglyceride-glucose (TyG) index and major adverse cardiovascular events (MACE) over a ten-year period in non-diabetic patients with acute myocardial infarction (MI) undergoing primary percutaneous coronary intervention (PCI).

Methods: We included 375 consecutive non-diabetic patients presenting with acute MI who underwent primary PCI. The TyG index was calculated and patients were divided based on a cut-off value of ≥ 8.

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The research on tissue engineering applications has been progressing to manufacture ideal tissue scaffold biomaterials. In this study, a double-layered electrospun biofiber scaffold biomaterial including Polycaprolactone (PCL)/Collagen (COL) fibrous inner layer and PCL/ (MC) and oils fibrous outer layer was developed to manufacture a functional, novel tissue scaffold with the advantageous mechanical and biological properties. The main approach was to combine the natural perspective using medicinal oils with an engineering point of view to fabricate a potential functional scaffold for tissue engineering.

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Article Synopsis
  • This study focuses on creating hexagonal gallium nitride (GaN) nanoplates and zinc oxide (ZnO) nanoparticles using a one-step arc discharge process in deionized water for photocatalytic degradation of textile wastewater.* -
  • Characterization methods such as SEM, TEM, and XRD revealed that the hybrid nanostructures consist of various sizes of nanoplates and nanorods, which resulted in a high degradation efficiency of 98% for malachite green dye under UV light in just 60 minutes.* -
  • The GaN/ZnO hybrid photocatalyst outperformed individual ZnO and GaN products by 2.2 and 3.6 times in reaction rates,
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Background: The objective of this study was to investigate the effects that the application of mesenchymal stem cells (MSCs) and platelet-rich plasma (PRP) following tendon repair have on the strength and healing of the tendon and also to examine the possible mechanisms of action that take place.

Methods: The Achilles tendons of 80 rats were repaired and divided into eight groups. Following the repairs, MSCs obtained from humans were injected into the rat tendons in groups 1 and 2, a combination of MSCs from humans and PRP from rats was injected into the tendons in groups 3 and 4, and PRP from rats was injected into the tendons in groups 5 and 6.

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Whole body electrical myostimulation (WB-EMS) is an alternative exercise training method. The effects of this exercise program on hemodynamics and coronary circulation have recently been investigated. However acute coronary syndrome associated with WB-EMS has not been reported before.

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Silver nanoparticles (AgNPs) have been recognized for their outstanding antibacterial activities, which are required for antibacterial coating materials in therapeutic applications. A bacterial-resistant electrospun nanofibrous mat made of polycaprolactone (PCL) in combination with polylactide acid (PLA) containing silver nanoparticles encapsulated with (thyme) extract (eAgNPs) was fabricated in order to assess the potential of applicability in biomedical applications such as cancer treatment, wound healing, or surgical sutures. In the current study, PCL and PLA used as the basis polymers were blended with biosynthesized eAgNPs, pure AgNPs, and thyme extract (TE) to observe the effects of additives in terms of antibacterial and anticancer activity and morphologic, thermal, mechanical, biocompatibility, and biodegradability properties.

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Freshwater scarcity is a vital societal challenge related to climate change, population pressure, and agricultural and industrial demands. Therefore, sustainable desalination/purification of salty/contaminated water for human uses is particularly relevant. Membrane distillation is an emerging hybrid thermal-membrane technology with the potential to overcome the drawbacks of conventional desalination by a synergic exploitation of the water-energy nexus.

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Objectives: Drug repurposing is a highly popular approach to find new indications for drugs, which greatly reduces time and costs for drug design and discovery. Non-selective inhibitors of histone deacetylase (HDAC) isoforms including sirtuins (SIRTs) are effective against conditions like cancer. In this study, we used molecular docking to screen Food and Drug Administration (FDA)-approved drugs to identify a number of drugs with a potential to be repurposed for pan-HDAC and pan-SIRT inhibitor activity.

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Objectives: The determinants of right ventricular (RV) recovery after successful revascularization in ST-elevation myocardial infarction (STEMI) patients are not clear. Besides, the relationship between Troponin T (TnT), N-terminal pro-B-type natriuretic peptide (NT-proBNP) and improvement in RV function is also unknown. This study hypothesizes that a lower TnT and NT-proBNP level would be associated with RV recovery.

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In this study, we investigated the application of poly (lactic acid-co-glycolic acid) in the rat Achilles tendon injury model for the prevention or alleviation of peritendinous adhesion and guidance of Achilles tendon regeneration. In the study, 48 rats were used and the rats were randomized by closed envelope method and divided into 4 mating groups in groups of 12. Left Achilles tendons of the non-PLGA-treated control group (groups 1 and 2) were cut and repaired.

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Background: The determinants of left ventricular (LV) recovery after successful revascularization in ST-elevation myocardial infarction (STEMI) patients are not clear. In addition, the relationship between growth differentiation factor15 (GDF-15) and left ventricular ejection fraction (LVEF) improvement is also unknown. This study hypothesizes that a low GDF-15 level would be associated with LVEF recovery.

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Nafimidone is known for its clinical antiepileptic effects and alcohol derivatives of nafimidone were reported be potent anticonvulsants. These compounds are structurally similar to miconazole, which is known to inhibit cholinesterases, protect neurons, and ameliorate cognitive decline. Herein, we aimed to reveal the potential of three nafimidone alcohol esters (5 g, 5i, and 5 k), which were previously reported for their anticonvulsant effects, against co-morbidities of epilepsy such as inflammatory and neuropathic pain, cognitive and behavioral deficits, and neuron death, and understand their roles in related pathways such as γ-butyric acid type A (GABA ) receptor and cholinesterases using in vitro, in vivo and in silico methods.

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Although there are short- and long-term prognostic studies in patients with myocardial infarction (MI), the data that can be used to predict the clinical outcome following discharge is limited. We analyzed creatinine kinase-MB and troponin related to myonecrosis, suppression of tumorigenicity 2 and NT-pro B-type natriuretic peptide related to myocardial stress, C-reactive protein and procalcitonin related to inflammation in 259 MI patients. Being in the high group for myocardial stress (odds ratio [OR]: 3.

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Azoles are first-line drugs used in fungal infections. Topical antifungals, such as miconazole and econazole, are known to be active against Gram-positive bacteria, which was reported to result from bacterial flavohemoglobin (flavoHb) inhibition. Dual antibacterial/antifungal action is believed to have benefits for antimicrobial chemotherapy.

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