Publications by authors named "Fuat Polat"

Background: Myocardial infarction with non-obstructive coronary arteries (MINOCA) constitutes a significant subset of acute myocardial infarctions (AMI) with uncertain prognostic markers. Early risk assessment is crucial to identify MINOCA patients at risk of adverse outcomes.

Objectives: This study aimed to evaluate the predictive capacity of the PRECISE-DAPT score in assessing short- and long-term prognoses in MINOCA patients presenting with ST-segment elevation myocardial infarction (STEMI) or non-ST-elevation myocardial infarction (NSTEMI).

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  • This study investigates how often pregnant women experience heart-related issues and are diagnosed with heart diseases during different stages of their pregnancy.
  • The research included 658 pregnant women, primarily in their third trimester, with common complaints such as palpitations and chest pain.
  • Findings highlighted that hypertension and mitral regurgitation were the most prevalent diagnoses, and emphasized the importance of regular heart assessments throughout pregnancy to manage any cardiovascular risks.
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Objective: This study aims to assess the efficacy and safety of tricuspid valve (TV) transcatheter edge-to-edge repair (TEER) procedures using the MitraClip or TriClip device in high-risk patients with severe secondary tricuspid regurgitation (TR) and provide Turkish-specific data on procedural outcomes and clinical follow-up.

Methods: This study enrolled 42 high-risk patients with severe secondary TR who underwent transcatheter edge-to-edge repair using either the MitraClip or TriClip device. Patient selection criteria included severe TR, high surgical risk (EuroScore ≥ 8 and Tricuspid Regurgitation Impact Severity Score (TRI-SCORE) ≥ 6), symptomatic despite medical therapy, and anatomical suitability for TriClip.

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Background: Haloperidol and dexmedetomidine are used to treat delirium in the intensive care unit (ICU). The effects of these drugs on the corrected QT (QTc) interval have not been compared before. It was aimed to compare the effects of haloperidol and dexmedetomidine treatment on QTc intervals in patients who developed delirium during ICU follow-up.

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Background: Identifying and understanding the microstructural changes within the wall of the pulmonary artery (PA) is crucial for elucidating disease mechanisms and guiding treatment strategies. We assessed the utility of optical coherence tomography (OCT) in identifying such changes within segmental/subsegmental PAs and compared the morphological variations in WHO group 4 pulmonary hypertension associated with Behcet Disease (BD), Takayasu arteritis (TA) and chronic thromboembolic pulmonary hypertension (CTEPH). Idiopathic pulmonary arterial hypertension (IPAH) patients served as controls.

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Introduction: This study aims to compare the addition of SGLT2 inhibitors or doubling the diuretic dose in patients receiving treatment with beta-blockers, angiotensin-converting enzyme inhibitors (ACEi), or angiotensin receptor blockers (ARB), as well as mineralocorticoid receptor antagonists (MRA), for heart failure with reduced ejection fraction (HFrEF) who present to the emergency department with decompensated heart failure.

Methods: This study is a single-center and prospective analysis. A total of 980 decompensated heart failure (HFrEF) patients receiving optimal medical therapy (OMT) according to the 2021 European heart failure guidelines were randomized in a 2:1 ratio into the furosemide and empagliflozin treatment arms.

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  • This study compared echocardiographic and clinical features in patients with migraines and embolic stroke of undetermined source (ESUS) who have a patent foramen ovale (PFO).
  • It involved 310 participants and found that ESUS patients were generally older, had more comorbid conditions like diabetes and hypertension, and displayed greater echocardiographic abnormalities compared to migraine patients.
  • Despite these differences, the calculated risk scores for PFO-related embolic events were similar in both groups, indicating potential distinctions in their clinical profiles that may influence treatment approaches.
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  • The study evaluated the effects of ticagrelor and clopidogrel on patients with anemia and acute coronary syndrome (ACS) to determine the best treatment approach.
  • Utilized a retrospective design, comparing patients with ST-elevation and non-ST-elevation myocardial infarction from 2014 to 2021, focusing on major cardiovascular events and safety concerns linked to the treatments.
  • Results showed no significant differences in major cardiovascular events or bleeding between the two medications, although those with very low hemoglobin (≤8 mg/dL) and older patients (≥75 years) on ticagrelor faced higher risks.
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Objective: Earthquakes can significantly impact both the occurrence and the management of acute coronary syndromes (ACS). This study aimed to investigate the effects of an earthquake on patients with ACS by comparing their clinical and angiographic features before and after the event.

Methods: We utilized a retrospective observational cohort design, involving 260 ACS patients who underwent coronary angiography.

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Objective: This study aims to assess the predictive value of the Systemic Immune Inflammation Index (SII) in determining in-stent restenosis (ISR) likelihood in patients with acute coronary syndrome (ACS) who have undergone percutaneous coronary intervention (PCI).

Methods: The study enrolled 903 ACS patients undergoing PCI, categorized into ISR (+) and ISR (-) groups based on control coronary angiography results. Demographic, clinical, laboratory, and angiographic-procedural characteristics were systematically compared.

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Introduction: Drug-eluting stents (DES) have revolutionized percutaneous coronary intervention (PCI) by improving event-free survival compared to older stent designs. However, early-generation DES with polymer matrixes have raised concerns regarding late stent thrombosis due to delayed vascular healing. To address these issues, biologically bioabsorbable polymer drug-eluting stents (BP-DES) and polymer-free drug-eluting stents (PF-DES) have been developed.

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  • Atrial fibrillation (AF) is a significant risk factor for patients with non-ST-elevation myocardial infarction (NSTEMI), and early risk stratification can help identify patients with poorer long-term outcomes.
  • The PRECISE-DAPT score is developed to predict bleeding risk in patients undergoing stent implantation and receiving dual antiplatelet therapy after percutaneous coronary intervention (PCI).
  • In a study of 526 AF patients with NSTEMI, a higher PRECISE-DAPT score, lower left ventricular ejection fraction, shorter P2Y12 inhibitor therapy duration, and a history of diabetes were linked to increased long-term all-cause mortality.
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Introduction: Data on the change in mitral valve annulus diameter (MAD), and left atrial appendage (LAA) structure and function after transcatheter edge-to-edge repair (TEER) of the mitral valve in patients with secondary mitral regurgitation (MR) are lacking.

Aim: To evaluate the change in these parameters just after the clip insertion and its relationship with prognosis in the long term.

Material And Methods: A total of 50 patients (age: 71.

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Objective: This study aimed to compare the sympathetic nervous system activity of atrial ���brillation patients without structural heart disease and the normal population in terms of urinary metanephrine levels.

Methods: Our study was conducted with 40 paroxysmal or persistent patients without structural heart disease and CHA2DS2VASc score of 0 or 1 and 40 healthy controls. Laboratory parameters, demographic characteristics, and 24-hour urine metanephrine levels were compared between the 2 groups included in the study.

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Background    Studies have shown that increased body weight and obesity may be associated with an increased risk of arrhythmic events. The aim of this study was to evaluate the effect of obesity on the risk of arrhythmic events, hospitalization, and death in patients who received implantable cardioverter defibrillator (ICD) therapy for primary or secondary prevention.Material and Methods    A single-center, prospective, observational study was conducted.

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Patients with non-valvular atrial fibrillation who are under chronic oral anticoagulant therapy (OAC) treatment frequently require interruption of OAC treatment. By examining the presence of left atrial/left atrial appendage (LA/LAA) thrombus or dense spontaneous echo contrast (SEC) with transesophageal echocardiography (TEE) we aimed to develop an individualized strategy. To test the validity of CHADSVASc score based recommendations was our secondary purpose.

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Ischemic stroke is the major complication of atrial fibrillation (AF) and only proven preventive therapy is oral anticoagulant therapy (OAC). Previous studies reported the presence of thrombus in the left atrium (LA) or left atrial appendage (LAA) despite anticoagulant therapy. We aim to investigate the predictors of LA/LAA thrombus in patients under OAC therapy and long-term clinical impact of thrombus.

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Background: Although previous studies reported frequent premature atrial contractions(fPACs) increased the risk of adverse cardiovascular outcomes, especially atrial fibrillation(AF), there is a substantial inconsistency between reports concerning the definition of fPAC. In this study, we aimed to investigate the relationship between fPAC and cardiovascular outcomes, especially AF. We further searched for a cutoff value of fPAC for prediction of AF.

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