Yazar "Kalçık, Macit" için PubMed İndeksli Yayınlar Koleksiyonu listeleme
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Echocardiography Aided by Computed Tomography to Diagnose Obstructive Masses in Patients with Prosthetic Heart Valves
Kalçık, Macit; Güner, Ahmet; Gündüz, Sabahattin; Özkan, Mehmet (Texas Heart Inst, 2020)To the Editor: We appreciate Kealhofer and colleagues’ report on their beneficial use of cardiac computed tomography (CT) for evaluating prosthetic aortic valve dysfunction.1 We want to contribute further by drawing attention ... -
The effect of complex vascular anatomy on silent new ischemic cerebral lesions in carotid artery stenting procedures (from the COMPLEX-CAS Trial)
Güner, Ahmet; Çelik, Ömer; Topel, Çağdaş; Yalçın, Ahmet Arif; Kalçık, Macit; Uzun, Fatih; Ertürk, Mehmet (Sage Publications Ltd, 2021)Background Carotid artery stenting is a minimally invasive, durable alternative treatment option, which is an alternative to the reference method, carotid endarterectomy, for patients with carotid artery stenosis; however, ... -
Evaluation of ghrelin levels and endothelial functions in patients with coronary slow flow phenomenon
Çelik, Oğuzhan; Demirci, Erkan; Aydın, Mustafa; Karabağ, Turgut; Kalçık, Macit (Akademiai Kiado Rt., 2017)Background: Ghrelin has recently been reported to have beneficial effects on cardiac contractile functions and coronary blood flow. The main purpose of this study was to investigate the role of ghrelin in the pathogenesis ... -
Evaluation of homocystein and asymmetric dimethyl arginine levels in patients with coronary slow flow phenomenon
Demirci, Erkan; Çelik, Oğuzhan; Kalçık, Macit; Bekar, Lütfü; Yetim, Mücahit; Doğan, Tolga (Akademiai Kiado Zrt, 2019)Background: Previous studies have demonstrated that homocysteine and asymmetric dimethyl arginine (ADMA) levels were strongly associated with cardiovascular diseases including coronary artery disease. The aim of this study ... -
Evaluation of potential long-term changes in endothelial functions and basic echocardiographic parameters in unilateral nephrectomy patients
Özkurt, Sultan; Karavelioğlu, Yusuf; Kalçık, Macit; Doğan, İbrahim; Musmul, Ahmet (Blackwell Publishing Inc., 2017)Aim: Decreased nephron count may result in lower glomerular filtration rate (GFR) and cardiorenal injury in the absence of compensatory hyperfunction. In this study, we aimed to evaluate long-term effects of 50% nephron ... -
Evaluation of the potential predictors of embolism in patients with left atrial myxoma
Kalçık, Macit; Bayam, Emrah; Güner, Ahmet; Küp, Ayhan; Kalkan, Semih; Yesin, Mahmut; Gürsoy, Mustafa Ozan; Gündüz, Sabahattin; Karakoyun, Süleyman; Özkan, Mehmet (Blackwell Publishing Inc., 2019)Introduction: Cardiac myxomas are the most common primary intracardiac tumors. Although myxomas are histologically benign, they are potentially dangerous due to potential risk of systemic and cerebral embolism. In this ... -
Evaluation of the relationship between platelet indices and spontaneous echo contrast in patients with mitral prosthetic heart valves
Kalçık, Macit; Sayar, Ahmet Güner; Bayam, Emrah; Yesin, Mahmut; Kalkan, Semih; Gürsoy, Mustafa Ozan; Özkan, Mehmet Akif (2020)Objective: Spontaneous echo contrast (SEC) is defined as dynamic, smoke-like echoes within the cardiac cavities with a characteristic swirling motion seen on echocardiography. Clinical studies have demonstrated that SEC ... -
Fragmented QRS may predict new onset atrial fibrillation in patients with ST-segment elevation myocardial infarction
Yesin, Mahmut; Kalçık, Macit; Çağdaş, Metin; Karabağ, Yavuz; Rencüzoğulları, İbrahim; Gürsoy, Mustafa Ozan; Efe, Süleyman Çağan; Karakoyun, Süleyman (Churchill Livingstone Inc., 2018)Background Fragmented QRS (fQRS) has been shown to be a marker of local myocardial conduction abnormalities, cardiac fibrosis in previous studies. It was also reported to be a predictor of sudden cardiac death and increased ... -
Fundamental role of echocardiographic evaluation in the diagnosis of prosthetic valve endocarditis
Güner, Ahmet; Kalçık, Macit; Özkan, Mehmet (Blackwell Publishing Inc., 2019)We have recently read with great interest the article by Carneiro et al entitled “Fungal prosthetic aortic valve endocarditis and endarteritis: An unusual cause of aortic root vegetations”.1 The authors reported a case of ... -
A global perspective on mechanical prosthetic heart valve thrombosis: Diagnostic and therapeutic challenges
Gürsoy, Mustafa Ozan; Kalçık, Macit; Yesin, Mahmut; Karakoyun, Süleyman; Bayam, Emrah; Gündüz, Sabahattin; Özkan, Mehmet (Turkish Society of Cardiology, 2019)Prosthetic valve thrombosis is one of the major causes of primary valve failure, which can be life-threatening. Multimodality imaging is necessary for determination of leaflet immobilization, cause of underlying pathology ... -
How Did the Updated 2019 European Society of Cardiology/European Atherosclerosis Society Risk Categorization for Patients with Diabetes Affect the Risk Perception and Lipid Goals? A Simulated Analysis of Real-life Data from EPHESUS Study
Başaran, Özcan; Doğan, Volkan; Mert, Kadir Uğur; Bekar, Lütfü; Kalçık, Macit; ... (KARE PUBL, 2023)Background: The recent 2019 European Society of Cardiology/European Atherosclerosis Society practice guidelines introduced a new risk categorization for patients with diabetes. We aimed to compare the implications of the ... -
Identification of mechanical prosthetic heart valves based on distinctive cinefluoroscopic and echocardiographic markers
Kalçık, Macit; Güner, Ahmet; Yesin, Mahmut; Bayam, Emrah; Kalkan, Semih; Gündüz, Sabahattin; Özkan, Mehmet (Sage Publications Ltd, 2019)The past 65 years have witnessed remarkable progress in the development of safe, hemodynamically favorable mechanical heart valves. Today, there are a large number and variety of prostheses in use and many prostheses have ... -
Impaired repolarization parameters may predict fatal ventricular arrhythmias in patients with hypertrophic cardiomyopathy (from the CILICIA Registry)
Güner, Ahmet; Kalçık, Macit; Çelik, Mehmet; Uzun, Fatih; Çizgici, Ahmet Yaşar; Zencirkıran Ağuş, Hicaz; Kalkan, Mehmet Emin (Churchill Livingstone Inc Medical Publishers, 2020)Background: Hypertrophic cardiomyopathy (HCM) is significantly associated with high risk of fatal ventricular arrhythmias (VAs). Increased frontal QRST angle (fQRSTa), Tpe interval, and Tp-e/QTc ratio are described as ... -
Improvement of endothelial function early after thrombolytic therapy in patients with prosthetic heart valve thrombosis
Çakal, Beytullah; Kalçık, Macit; Güner, Ahmet; Gürsoy, Mustafa Ozan; Yesin, Mahmut; Karakoyun, Süleyman; Özkan, Mehmet (2020)Objective: Prosthetic valve thrombosis (PVT) is a serious complication among patients with prosthetic heart valves. Thrombolytic therapy (TT) is now widely used as first-line treatment for PVT. Endothelial dysfunction has ... -
Incremental value of transesophageal echocardiography in the evaluation of patients before percutaneous closure of atrial septal defects
Kalçık, Macit; Güner, Ahmet; Özkan, Mehmet (2019)We have recently read with great interest the article by Chen et al. (1) entitled ‘‘Transcatheter device closure of atrial septal defects guided completely by transthoracic echocardiography: A single cardiac center experience ... -
Intermittent malfunction and regurgitation of a mitral prosthetic valve due to entrapment by a residual subvalvular apparatus
Güner, Ahmet; Kalçık, Macit; Yesin, Mahmut; Özkan, Mehmet (Blackwell Publishing Inc., 2018)Intermittent malfunction is a rare but potentially serious complication of prosthetic heart valve (PHV) replacement. It may be observed in both mitral and aortic valve prosthesis and may lead to either paroxysmal obstruction ... -
Intraoperative transesophageal echocardiography is essential for left atrial appendage closure
Gültekin Güner, Ezgi; Çörekçioğlu, Büşra; Ulutaş, Ahmet E.; Kalçık, Macit; Güner, Ahmet; Ertürk, Mehmet (Wiley, 2021)To the Editor,We have recently read with great interest the article by Jianget al.1entitled“Left atrial appendage exclusion is effective in re-ducing postoperative stroke after mitral valve replacement.”Weappreciate the ... -
Intravascular ultrasound is essential for left main coronary artery bifurcation stenting
Güner, Ahmet; Gültekin Güner, Ezgi; Kalçık, Macit; Uzun, Fatih; Ertürk, Mehmet (Polish Cardiac Soc-Polskie Towarzystwo Kardiologiczne, 2021)To the editor We have recently read with great interest the article by Kassimis et al.1 We appreciate the authors’ management of the patient with iatrogenic left main coronary artery (LMCA) dissection and the technical ... -
Investigation of ICAM-1 levels in hypertensive patients with fragmented QRS complexes
Bekar, Lütfü; Kalçık, Macit; Katar, Muzaffer; Yetim, Mücahit; Çelik, Oğuzhan; Doğan, Tolga; Karavelioğlu, Yusuf; Gölbaşı, Zehra (Taylor and Francis Ltd., 2019)Objective: Fragmented QRS (fQRS) detected on a 12-lead electrocardiogram (ECG) has been demonstrated to be a marker of myocardial fibrosis. Intercellular adhesion molecule-1 (ICAM-1) is a protein which plays an important ... -
Is fibrinolytic therapy really safe in the treatment of prosthetic valve thrombosis in patients with high INR?
Güner, Ahmet; Kalçık, Macit; Gündüz, Sabahattin; Gürsoy, Mustafa Ozan; Özkan, Mehmet (Wiley, 2021)To the Editor, We have recently read with great interest the article by Farzaneh et al.1 entitled “Safety of thrombolytic therapy in patients with prosthetic heart valve thrombosis who have high international normalized ...