Publications by authors named "Mustafa Karabacak"

Introduction And Objectives: High-density lipoprotein cholesterol (HDL-C) is known to be a key player in reverse cholesterol transport and this function is associated with its atheroprotective role. Low HDL-C is a strong independent risk factor for cardiovascular disease, premature atherosclerosis and increased oxidative stress. However, the clinical benefit of high HDL-C through diet or drug therapy is still controversial.

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Article Synopsis
  • - This study aimed to compare the rates of major cardiovascular and cerebrovascular events (MACCE) in patients before and during the COVID-19 pandemic, focusing specifically on patients with ST-segment elevation myocardial infarction (STEMI) in Turkey.
  • - Researchers analyzed data from 1,748 STEMI patients, differentiating between those treated from March 11 to May 15, 2019 (pre-COVID-19) and March 11 to May 15, 2020 (COVID-19 era).
  • - Results showed no significant difference in MACCE rates between the two eras, but COVID-19-positive STEMI patients had substantially worse long-term outcomes, with higher rates of MACCE and heart failure
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Objective: We aimed to investigate both the impact of COVID-19 pandemic on ST-segment elevation myocardial infarction (STEMI) admission, and demographic, angiographic, procedural characteristics, and in-hospital clinical outcomes of patients with COVID-19 positive STEMI in Turkey.

Methods: This was a multi-center and cross-sectional observational study. The study population included 1788 STEMI patients from 15 centers in Turkey.

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HaNDL syndrome characterized by sudden onset headache, transient neurological deficits, and cerebrospinal fluid (CSF) lymphocytosis, is a self-limited clinical entity that is rarely seen. In this article, we present a case with HaNDL syndrome in a 28-year-old male patient who presented with confusion and agitation after sudden onset of headache, right hemiparesis, and lymphocytosis pleocytosis.

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 Neurohumoral and hemodynamic mechanisms have an effect on cardiac activity. C-type natriuretic peptide (CNP) is accessible in the cardiovascular system. The aim of this study was to determine whether CNP concentrations in pericardial fluid and blood are related to cardiac dysfunction in patients undergoing coronary artery bypass graft surgery.

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Objective: Presence of coronary artery disease (CAD) also in subjects without traditional risk factors leads to a search for new risk factors. Tenascin-C (TNC), an extracellular matrix glycoprotein is normally found in very low concentrations in tissues and serum of adults, whereas its expression is enhanced in case of pathological conditions accompanied by inflammation. This study aimed to investigate the relation between coronary artery calcium score (CACS)and serum TNC level.

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Background: High-density lipoprotein cholesterol (HDL-C) inhibits inflammation associated with the development of atherosclerotic plaques. Monocyte chemoattractant protein-1 (MCP-1) contributes to the pathogenesis of atherosclerosis. The aim of this study was to evaluate the relationship between plasma MCP-1 levels and low HDL-C levels in patients without cardiovascular disease (CVD).

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Objective: Hypertensive crises, divided depending on the presence of target organ damage (TOD), are associated with increased cardiovascular mortality and morbidity. Monocyte chemoattractant protein-1 (MCP-1) is responsible for the recruitment of monocytes to sites of vascular inflammation. The aim of this study was to evaluate the role of vascular inflammation in development of TOD.

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Background: Platelet activation might play a significant role in the pathophysiology of cardiovascular and cerebrovascular events in hypertension (HT). Signal peptide-CUB-EGF domain-containing protein1 (SCUBE1), an indicator of platelet activation, is increased in HT. The aim of this study was to investigate the SCUBE1 in patients with hypertensive crises.

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Objective: Chest pain and/or electrocardiogram changes in non-ST elevation or suspicious chest pain and cardiac marker elevations are defined as non-ST-elevation acute coronary syndrome (NSTE-ACS). Serial electrocardiogram and marker follow-up are needed to make a diagnosis of NSTE-ACS and to eliminate noncoronary chest pain (NCCP). Signal peptide-C1r/C1s, Uegf, and Bmp1-epidermal growth factor domain-containing protein 1 (SCUBE1) is stored within the α granules of inactive platelets and secreted at a high rate during thrombosis.

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Objective: It is unclear whether carvedilol and nebivolol produce different effects on short-term left ventricle (LV) systolic function in heart failure (HF). These drugs could improve systolic and diastolic functions of the LV. Thus, we aimed to compare their effects on LV systolic functions in patients with non-ischemic HF.

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Background: Carvedilol and nebivolol have favourable properties such as anti-oxidative effects in addition to other beta-blockers. However, which of these drugs is more effective on oxidative stress is unclear.

Aim: To compare the effects carvedilol and nebivolol on oxidative stress status in non-ischaemic heart failure (HF) patients.

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Objective: It was the aim of this study to investigate the serum oxidative stress level in nonischemic patients with heart failure (HF).

Subjects And Methods: The study included 37 patients who presented to the Department of Cardiology, Suleyman Demirel University, Isparta, Turkey, with a diagnosis of asymptomatic HF (New York Heart Association class I-II). The patients had a left ventricular (LV) ejection fraction (EF) of ≤40% and normal coronary arteries or nonsignificant stenosis (stenosis <40%).

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Objectives: To investigate the relationship between lipid levels and oxidative stress index in healthy young adults.

Methods: The study was camed out at the Department of Emergency Service, Faculty of Medicine, Cumhuriyet University, Sivas, Turkey, between January 2011 and July 2012. A total of 100 healthy adult volunteers were enrolled in the study.

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Acute stent thrombosis may result from many causes. Bee sting is a very rare cause of this situation. As bee venom activates some inflammatory and vascular events resulting in occlusion in vessels or diseases in electrical system of heart, it may cause myocardial infarction or atrial fibrillation.

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High-density lipoprotein cholesterol (HDL-C) is an independent risk factor for premature atherosclerosis and cardiovascular disease. Plasma HDL exerts potent antioxidant activity. We evaluated parameters associated with oxidative stress in participants with low HDL-C.

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Platelets may be activated in hypertension (HT). Hypertensive crisis is an extreme phenotype of HT and HT-related thrombotic complications. We aimed to assess mean platelet volume (MPV) in patients with hypertensive crises.

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Carbon monoxide (CO) poisoning is frequent and can lead to high morbidity and mortality. Some studies have indicated increased platelet activation and aggregation in CO poisoning. Thus, we investigated mean platelet volume (MPV), an indicator of platelet activation, in patients with CO poisoning.

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Background: We investigated whether carvediolol or nebiovolol with vasodilator properties will produce different effects on diastolic function of the left ventricle (LV) in heart failure (HF) with low ejection fraction (EF).

Methods: Sixty-one non-ischemic HF patients with EF ≤40% randomly received carvedilol (n = 31, 16 male) or nebivolol (n = 30, 19 male). Clinical and echocardiographic evaluations were performed at baseline, 3 and 6 months after therapy.

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It is unclear whether carvedilol and nebivolol will produce different effects on platelet function and prothrombotic state in heart failure (HF). Thus, we compared their effects on these functions in patients with nonischemic HF. We included 61 patients with symptomatic nonischemic HF having ejection fraction ≤40%.

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Background: Uric acid (UA) is an independent marker of mortality and associated with increased oxidative stress in patients with congestive heart failure (CHF). The present study aimed to investigate the effect of allopurinol on left ventricular (LV) function and coronary microvascular integrity in patients with idiopathic dilated cardiomyopathy (IDC).

Methods: Thirty-nine consecutive IDC patients were divided into 2 groups: elevated (> 7 mg/dL for men and >6.

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Objective: Recent studies suggest that statins have anti-arrhythmic effects. The aim of this study was to evaluate the effects of statins on sustained ventricular tachycardia or ventricular fibrillation (S-VT or VF) in patients presenting with acute coronary syndrome (ACS).

Methods: The population of this study consisted of consecutive patients admitted to coronary care unit.

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