Publications by authors named "Gonul Acıksarı"

Objectives: Coronary microvascular dysfunction is present in large percentage of the population, and it has been shown to have a pathological and prognostic role in many conditions. Therefore, early detection of microvascular dysfunction is important, especially in selected populations. The aim of this study was to investigate the association of galanin with coronary flow reserve (CFR) in prehypertensive individuals to determine whether it can be used as a marker to detect microvascular dysfunction.

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Background: Atrial fibrillation (AF) is the most prevalent cardiac arrhythmia worldwide and is associated with an increased risk of thromboembolism, ischemic stroke, impaired quality of life, and mortality. The latest research that shows the prevalence and incidence of AF patients in Türkiye was the Turkish Adults' Heart Disease and Risk Factors study, which included 3,450 patients and collected data until 2006/07.The Turkish Real Life Atrial Fibrillation in Clinical Practice (TRAFFIC) study is planned to present current prevalence data, reveal the reflection of new treatment and risk approaches in our country, and develop new prediction models in terms of outcomes.

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Objective: Coronavirus disease-19 (COVID-19) is a multisystemic disease that can cause severe illness and mortality by exacerbating symptoms such as thrombosis, fibrinolysis, and inflammation. Plasminogen activator inhibitor-1 (PAI-1) plays an important role in regulating fibrinolysis and may cause thrombotic events to develop. The goal of this study is to examine the relationship between PAI-1 levels and disease severity and mortality in relation to COVID-19.

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Article Synopsis
  • COVID-19 is a highly contagious virus that can lead to severe complications such as acute respiratory distress syndrome, and this study evaluates factors that predict mortality in fatal cases.
  • 350 fatal and 150 surviving patients were analyzed, revealing that 30% died within three days and 39% after more than ten days, with specific clinical indicators linked to short-term mortality.
  • Key independent predictors of mortality included age, pneumonia seen on CT scans, symptom duration before admission, and various organ dysfunction markers, with Tocilizumab/Steroid therapy showing a protective effect for those who died within three days.
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Cardiac complications such as heart failure and arrhythmias caused by "iron-induced" cardiomyopathy are considered as the primary cause of death in the patients with β-thalassemia major. The aim of this study was to evaluate electrocardiography, echocardiography according cardiac T2* and ferritin findings of patients followed-up for β-thalassemia major, and to investigate the importance of these findings for early detection of cardiac complications. The study included 41 patients and 25 healthy individuals with matched age and gender.

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Introduction: Coronary artery ectasia (CAE) is defined as localized or diffuse dilatation of the epicardial coronary arteries. We aimed to elucidate the relationship between the CHADS-VASc score and CAE.

Methods: The study population consisted of 122 patients with isolated CAE and 87 sex- and age-matched control subjects.

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In this study, we aimed to investigate the relationship between high triglyceride (TG)/high-density lipoprotein cholesterol (HDL-C) ratio and coronary slow flow phenomenon (CSFP) in patients undergoing elective coronary angiography for suspected coronary artery disease. This prospective study included a total of 84 CSFP patients and 83 controls with normal coronary flow, as evidenced by coronary angiography. The Thrombolysis in Myocardial Infarction (TIMI) frame count (TFC) was used to measure the coronary blood flow velocity.

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Background: The current knowledge about novel coronavirus-2019 (COVID-19) indicates that the immune system and inflammatory response play a crucial role in the severity and prognosis of the disease. In this study, we aimed to investigate prognostic value of systemic inflammatory biomarkers including C-reactive protein/albumin ratio (CAR), prognostic nutritional index (PNI), neutrophil-to-lymphocyte ratio (NLR), lymphocyte-to-monocyte ratio (LMR), and platelet-to-lymphocyte ratio (PLR) in patients with severe COVID-19.

Methods: This single-center, retrospective study included a total of 223 patients diagnosed with severe COVID-19.

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Background: As the Modified Anticoagulation and Risk Factors in Atrial Fibrillation Risk Score (M-ATRIA-RS) encompasses prognostic risk factors of novel coronavirus-2019 (COVID-19), it may be used to predict in-hospital mortality. We aimed to investigate whether M-ATRIA-RS was an independent predictor of mortality in patients hospitalized for COVID-19 and compare its discrimination capability with CHADS, CHA2DS2-VASc, and modified CHA2DS2-VASc (mCHA2DS2-VASc)-RS.

Methods: A total of 1,001 patients were retrospectively analyzed and classified into three groups based on M-ATRIA-RS, designed by changing sex criteria of ATRIA-RS from female to male: Group 1 for points 0-1 (n = 448), Group 2 for points 2-4 (n = 268), and Group 3 for points ≥5 (n = 285).

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Objective: Although the underlying mechanism is not yet fully understood, Cardiac Syndrome X (CSX) is defined as microvascular dysfunction. Prolidase plays a role in collagen synthesis. Increased serum prolidase activity (SPA) has been shown to correlate with collagen turnover.

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Sarcoidosis is a multisystemic chronic inflammatory disease that the specific etiology is not known clearly. The aim of this study is, to investigate the presence of subclinical atherosclerosis and endothelial dysfunction by using carotid intima-media thickness and flow-mediated dilatation measurements, measuring the copeptin values, which is a stress marker, and interpreting the association of copeptin values with these two variables in sarcoidosis patients without conventional risk factors for coronary artery disease. Seventy-four patients (50 f, 24 m) with histopathological diagnosis of sarcoidosis and 60 healthy volunteers (35 f, 25 m) with similar sociodemographic characteristics were included in this study.

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Background: Coronary artery ectasia (CAE) is a well-recognised disorder characterised by abnormal dilation of the coronary arteries. Underlying mechanisms associated with abnormal luminal dilation in CAE remain to be elucidated. However, histopathological features resemble those of coronary atherosclerosis.

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: Vasovagal syncope (VVS) is the most common cause of syncope and has multiple pathophysiological mechanisms. Asymmetric dimethylarginine (ADMA) is the major inhibitor of nitric oxide (NO). In this study, we aimed to investigate the relationship between plasma ADMA levels and syncope during the head-up tilt (HUT) test.

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In this study, it was aimed to investigate the relationship between the epicardial adipose tissue thickness (EATT) and serum IL-17A level insulin resistance in metabolic syndrome patients. This study enrolled a total of 160 subjects, of whom 80 were consecutive patients who applied to our outpatient clinic and were diagnosed with metabolic syndrome, and the other 80 were consecutive patients who were part of the control group with similar age and demographics in whom the metabolic syndrome was excluded. The metabolic syndrome diagnosis was made according to International Diabetes Federation (IDF)-2005 criteria.

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A 23-year-old female patient with factor VII (FVII) deficiency was admitted with severe hypertension and renal failure. Brachial arterial pressures were 230/120 and 220/115 mm/Hg on the right and left arms, respectively. There was no blood pressure difference between the arms.

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A systemic inflammatory reaction is a common feature of both sarcoidosis and atherosclerosis. Endothelial-cell specific molecule 1 (endocan) is a marker of vascular pathology which also shows a correlation with inflammation, endothelial dysfunction, and atherosclerosis. The objective of this study was to evaluate the vascular involvement in sarcoidosis using serum endocan levels and brachial artery flow-mediated dilation (FMD), a marker of endothelial dysfunction.

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Background: The time in therapeutic range values may vary between different geographical regions of Turkey in patients vitamin K antagonist therapy.

Aims: To evaluate the time in therapeutic range percentages, efficacy, safety and awareness of warfarin according to the different geographical regions in patients who participated in the WARFARIN-TR study (The Awareness, Efficacy, Safety and Time in Therapeutic Range of Warfarin in the Turkish population) in Turkey.

Study Design: Cross-sectional study.

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Adherence to non-vitamin K antagonist oral anticoagulants (NOACs) is an important factor for ensuring efficacy and safety in nonvalvular atrial fibrillation (NVAF). There are controversial results regarding NOAC adherence in real-world data and there are no data about NOAC adherence in Turkish population. This study investigated the NOAC adherence based on self-report, factors affecting nonadherence, and the relation of the adherence level with efficacy and safety outcomes.

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Objective: The term chronic inflammatory disease (CID) refers to a category of inflammatory diseases that includes Ankylosing spondylitis (AS) and familial Mediterranean fever (FMF). The incidence of adverse cardiovascular events is greater among patients with CID, though they may not have conventional atherosclerotic risk factors. Endothelial dysfunction is one of the underlying fundamental mechanisms that trigger development of atherosclerotic alterations in arteries, and flow-mediated dilatation (FMD) is a noninvasive method to determine endothelial dysfunction.

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Crohn's Disease [CD] is one of the Inflammatory Bowel Diseases that are chronic relapsing inflammatory diseases. Despite the major affected organ is intestine in CD, extra intestinal organs and tissues including cardiovascular system are also affected. Several studies have demonstrated that CD patients may have a higher risk of advancing atherosclerosis.

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Introduction: Metabolic syndrome is a systemic disorder and manifests as a group of conditions including abdominal obesity, dyslipidemia, hypertension and coronary artery disease. The importance of epicardial adipose tissue has been proven through recognition of its contribution to inflammation by pro-inflammatory cytokine discharge. Several investigations have been performed on vitamin D receptors in different tissues.

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We compared Turkish patients with cardiac syndrome X (CSX) and controls with respect to serum pro- and anti-inflammatory cytokine levels, as well as the single-nucleotide polymorphisms located in the promoter regions of their related genes. This study included 111 consecutive patients angiographically diagnosed with CSX and 111 healthy controls with similar demographic characteristics. Serum interleukin (IL) 6, tumor necrosis factor α (TNF-α), and IL-10 levels were measured, and the genotypes of the patients and controls were determined using standard methods.

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Background: The aim of this study was to evaluate the serum soluble CD40 ligand (sCD40L) levels, serum uroten- sin II levels, and serum leptin levels as an indirect indicator of endothelial dysfunction, inflammation, and atherosclerosis at the microvascular level, and the comparison of those values with those of the control group with a nor- mal coronary flow pattern.

Methods: The study included 35 consecutive patients (17 women, 18 men; average age: 51.20 ± 10.

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The risk for cardiovascular diseases and type 2 diabetes mellitus significantly increases in the patient population with metabolic syndrome (MeS). The present study aimed to investigate the association between the epicardial adipose tissue thickness (EATT) and the oxidative stress parameters in MeS patients. The study included 181 patients as a patient group of 92 consecutive patients with MeS and a control group of 89 consecutive patients with similar age and gender.

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Objective: Microvascular dysfunction has been reported in cardiac syndrome X (CSX), even though the underlying mechanisms still remain uncertain. Galectin-3 has been recently recognized as a biomarker of cardiovascular fibrosis and inflammation. We sought to investigate the role of galectin-3 in the CSX.

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