Yazar "Kalçık, Macit" için Tıp Fakültesi listeleme
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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 ... -
How to perform and manage low-dose and slow/ultra-slow tissue type plasminogen activator infusion regimens in patients with prosthetic valve thrombosis
Güner, Ahmet; Kalçık, Macit; Gürsoy, Mustafa Ozan; Gündüz, Sabahattin; Özkan, Mehmet (Springer New York LLC, 2018)Over the last two decades, thrombolytic therapy (TT) has become an alternative to surgery as a first-line therapy in patients with thrombosed mechanical valves [1, 2, 3]. In TROIA Trial, low dose (25 mg)—slow infusion (6 ... -
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 ... -
Increased Ventricular Activation Time in Patients with the Diagnosis of Cardiac Syndrome X
Kalçık, Macit; Bayam, Emrah; Güner, Ahmet; Yesin, Mahmut; Yetim, Mücahit; Doğan, Tolga; Karavelioğlu, Yusuf; Bekar, Lütfü (2019)Introduction: Cardiac syndrome X (CSX) is defined as typical angina with detectable ischaemia on noninvasive stress tests without any evidence of coronary artery stenosis during coronary angiography. Impaired coronary ... -
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 ... -
Investigation of mindin levels in hypertensive patients with left ventricular hypertrophy and QRS fragmentation on electrocardiography
Doğan, Tolga; Yetim, Mücahit; Çelik, Oğuzhan; Kalçık, Macit; Özcan, Oğuzhan; Doğan, İbrahim; Erenler, Ali Kemal; Bekar, Lütfü; Karavelioğlu, Yusuf (Taylor and Francis Ltd., 2018)Purpose: Mindin was associated with diabetic nephropathy, podocyte injury, colitis, allergic asthma, liver ischaemia and reperpusion injury and ischaemic brain injury. On the other hand, it was reported as a protective ... -
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 ... -
Is high thromboembolic risk not really associated with low time in therapeutic range in patients with prosthetic heart valves?
Güner, Ahmet; Kalçık, Macit; Gürsoy, Mustafa Ozan; Özkan, Mehmet (Elsevier Ireland Ltd, 2019)Dear Editor, We have recently read with great interest the article reported by Poli et al. which was published in the last issue of International Journal of Cardiology [1]. We appreciate the authors for valuable contribution ... -
Kalp Yetersizliği Olan Hastalarda Dekompanse Oluşun Bir Belirteci Olarak Ortalama Trombosit Hacminin Önemi
Kalçık, Macit; Yesin, Mahmut (2019)Amaç: Konjestif kalp yetmezliği morbidite, bozulmuş yaşam kalitesi ve azalmış sağkalım ile ilişkili önemli bir halk sağlığı sorunudur. Konjestif kalp yetmezliği hastaları dekompanse olduklarında, artmış intra ve ekstraselüler ... -
Letter by Guner et al Regarding Article, Giant Coronary Aneurysms in a Patient With Immunoglobulin G4-Related Disease
Güner, Ahmet; Gültekin Güner, Ezgi; Kalçık, Macit (Lippincott Williams & Wilkins, 2020)To the Editor: We have recently read with great interest the article by Zheng et al1 entitled “Giant Coronary Aneurysms in a Patient With Immunoglobulin G4-Related Disease.” We appreciate the authors for their reports ... -
Low Dose and Slow/Ultra-Slow Infusion Thrombolytic Therapy Regimens are Effective and Safe in Patients With Prosthetic Valve Thrombosis
Güner, Ahmet; Kalçık, Macit; Gündüz, Sabahattin; Kalkan, Semih; Gürsoy, Mustafa Ozan; Özkan, Mehmet (Elsevier Science Inc, 2020)To the Editor,We have recently read with great interest the article by Milneet al. entitled‘Management and outcomes of prosthetic valvethrombosis. An Australian case series from the NorthernTerritory’[1].