Prof. MD. Mahmut Yesin

Education & Specialization

• 2010 – Istanbul University Faculty of Medicine (Çapa) – Medical Education

• 2015 – Kartal Koşuyolu High Specialty Education and Research Hospital – Cardiology Residency

• 2020 – Kafkas University – Associate Professorship (Cardiology)

Professional Experience

• 2015–2019 – Kars Harakani State Hospital – Mandatory Service

• 2019–2021 – Kafkas University – Faculty of Medicine

• 2021–2023 – Kocaeli Acıbadem Hospital – Cardiology Specialist

• 2023–Present – VM Medical Park Kocaeli Hospital – Cardiology

Professional Memberships

• Turkish Society of Cardiology

• European Society of Cardiology (ESC)

• European Atherosclerosis Society (EAS)

• Kocaeli Medical Chamber

Awards & Honors

• Sanofi Best Interventional Case 7th Prize – 21st National Applied Interventional Cardiology Meeting, 2014, Antalya
  Presentation: “Successful Primary Percutaneous Intervention in a Patient with Cardiogenic Shock and Trifurcation Lesion” – Oral Presentation

• Best Oral Presentation 1st Prize – 33rd International Turkish Cardiology Congress, 2017, Antalya
  Presentation: “Comparison of Different Anticoagulation Regimens in Pregnant Patients with Mechanical Prosthetic Heart Valves” – Oral Presentation

• Best Poster Presentation 3rd Prize – 30th National Cardiology Congress, 2014, Antalya
  Poster: “Changes in Endothelial Function Before and After Thrombolytic Therapy in Patients with Prosthetic Valve Thrombosis” – Poster Presentation

• Best Clinical Poster Award – ESC 2017, Barcelona
  Poster: “Comparison of Different Anticoagulation Regimens in Pregnant Patients with Mechanical Prosthetic Heart Valves” – Poster Presentation

Uluslararası hakemli dergilerde yayımlanan makaleler

• Gürsoy OM, Karakoyun S, Kalçık M, Gökdeniz T, Yesin M, Gündüz S, Astarcıoğlu MA, Ozkan M  Usefulness of Novel Hematologic Inflammatory Parameters to Predict Prosthetic Mitral Valve Thrombosis.. Am J Cardiol. 2014 Mar 1;113(5):860-4. doi: 10.1016/j.amjcard.2013.11.029
• Avci A, Alizade E, Fidan S, Yesin M, Guler Y, Kargın R, Esen AM  Neutrophil/Lymphocyte Ratio is Related to the Severity of Idiopathic Dilated Cardiomyopathy. Scand Cardiovasc J. 2014 June
• Acar RD, Bulut M, Ergün S, Yesin M, Akçakoyun M. Evaluation of the Effect of Cardiac Rehabilitation on Left Atrial and Left Ventricular Function and Its Relationship with Changes in Arterial Stiffness in Patients with Acute Myocardial Infarction. Echocardiography 2014 Jul
• Yesin M, Kalçık M, Gürsoy MO, Karakoyun S, Özkan M (2014) Spontaneous Rectus Sheath Hematoma as a Rare Cause of Abdominal Pain in a Patient Under Oral Anticoagulation. J Cardiol Curr Res 1(4): 00022. DOI: 10.15406/jccr.2014.01.00022
• Rezzan Deniz Acar, Mustafa Bulut, Sunay Ergün, Mahmut Yesin, Bilal Boztosun, Mustafa Akçakoyun. P-wave dispersion and its relationship to aortic stiffness in patients with acute myocardial infarction after cardiac rehabilitation.Arya Atherosclerosis 2014
• Macit Kalçık, Mahmut Yesin, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Sinan Cerşit , Cengiz Köksal, Cemil İzgi, Mehmet Özkan.  An Unusual Mass of Tricuspid Valve in an Adult Patient : Blood-Filled Cyst. Echocardiography, 2014
• Mahmut Yesin, Macit Kalçık, Emrah Bayam, M.Ozan Gursoy, Suleyman Karakoyun, Mehmet Ozkan. A case of Ebstein's anomaly in an asymptomatic nonagenarian. Current Research: Cardiology 2015
• Macit Kalçık, Mahmut Yesin, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Mehmet Özkan Treatment Strategies for Prosthetic Valve Thrombosis Derived Coronary Embolism JACC Cardiovascular Interventions 2014
• Sabahattin Gündüz, Mahmut Yesin, Macit Kalçık, Mustafa Ozan Gürsoy, Mehmet Özkan. How to approach to mechanical valve thrombosis: A brief report. Blood Coagulation and Fibrinolysis 2015
• Mahmut Yesin, Macit Kalçık, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Emrah Bayam, Mehmet Altuğ Tuncer, Mehmet Özkan. Multimodality Diagnosis and Surgical Management of Prosthetic Valve Endocarditis Complicated with Perivalvular Abscess Formation. The American Journal of Emergency Medicine, 2015
• Mahmut Yesin, Macit Kalçık, Süleyman Karakoyun, Mehmet Ali Astarcıoğlu, Mustafa Ozan Gürsoy, Sabahattin Gündüz, Mehmet Özkan. Treatment Strategies for Prosthetic Valve Thrombosis in Pregnant Patients. The American Journal of Emergency Medicine, 2015
• Mahmut Yesin, Macit Kalçık, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Sabahattin Gündüz, Cengiz Köksal, Mehmet Özkan. Aorta-Left Atrial Fistula  After Mitral Valve Surgery. Echocardiography 2015
• Mehmet Ali Astarcıoğlu, Macit Kalçık, Mahmut Yesin, Mehmet Özkan, Comment on "Dual Prosthetic Heart Valve Presented with Chest Pain: A Case Report of Coronary Thromboembolism". Case Reports in Cardiology, 2015
• Mehmet Özkan, Sabahattin Gündüz, Ozan Mustafa Gürsoy, Süleyman Karakoyun, Mehmet Ali Astarcıoğlu, Macit Kalçık, Ahmet Çağrı Aykan, Beytullah Çakal, Zübeyde Bayram, Ali Emrah Oğuz, Emre Ertürk, Mahmut Yesin, Tayyar Gökdeniz, Nilüfer Ekşi Duran, Mustafa Yıldız, Ali Metin Esen. Ultra-slow thrombolytic therapy: A novel strategy in the management of PROsthetic MEchanical valve Thrombosis and the prEdictors of outcomE: The Ultra-slow PROMETEE trial. American Heart Journal, 2015
• Macit Kalçık, Mahmut Yesin, Mustafa Ozan Gürsoy, Mehmet Özkan. Obstructive Prostethic Mitral Valve Thrombosis Successfully Thrombolysed with Low-Dose Ultra-Slow Infusion of Tissue Plasminogen Activator. International Cardiovascular Forum Journal 2015
• Macit Kalçık, Mahmut Yesin, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Mehmet Özkan. Management of Prosthetic Valve Thrombosis Complicated with Coronary Embolism. Heart Lung Circulation 2015
• Sabahattin Gündüz, Mahmut Yesin, Mustafa Ozan Gürsoy, Macit Kalçık, Mehmet Özkan. Management of patients with prosthetic valve thrombosis after failed thrombolytic therapy.  JACC 2015
• Sabahattin Gündüz, Mahmut Yesin, Mustafa Ozan Gürsoy, Macit Kalçık, Mehmet Özkan. How can we reduce the complications associated with thrombolysis for prosthetic valve thrombosis? The Anatolian Journal of Cardiology 2015
• Macit Kalçık, Mahmut Yesin, Mustafa Ozan Gürsoy, Sabahattin Gündüz, Süleyman Karakoyun, Mehmet Ali Astarcıoğlu, Emrah Bayam, Sinan Cerşit, Mehmet Özkan. Comparison of the INR Values Measured by CoaguChek XS Coagulometer and Conventional Laboratory Methods in Patients on VKA Therapy. Clinical & Applied Thrombosis/Hemostasis 2015
• Mahmut Yesin, Cüneyt Toprak, Macit Kalçık, Emrah Bayam, Mehmet İnanır, Mehmet Özkan. Giant caseous calcification on tricuspid annulus mimicking cardiac metastasis in a patient with colon cancer. Echocardiography 2015 
• Macit Kalçık, Mahmut Yesin, Sabahattin Gündüz, Mustafa Ozan Gürsoy, Emrah Bayam, Mehmet Özkan. Left ventricular side obstructive pannus formation after rheumatic  mitral valve replacement with preservation of the subvalvular apparatus. Echocardiography 2015 
• Mustafa Ozan Gürsoy, Macit Kalçık, Mahmut Yesin, Mehmet Özkan. The methodological and diagnostic issues for prosthetic valve thrombosis. European Heart Journal 2015
• Mahmut Yesin, Macit Kalçık, Sabahattin Gündüz, Mehmet Ali Astarcıoğlu, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Mehmet Özkan. Bioprostethic mitral valve thrombosis due to oral contraceptive drug use and management with ultra slow thrombolytic therapy. Blood Coagulation and Fibrinolysis, 2015
• Astarcioglu MA, Sen T, Kilit C, Durmus HI, Gozubuyuk G, Kalcik M, Karakoyun S, Yesin M, Zencirkiran Agus H, Amasyali B. Time-to-reperfusion in ST-segment elevation myocardial infarction undergoing interhospital transfer using smartphone and WhatsApp messenger: a pilot study. The American Journal of Emergency Medicine, 2015 doi: 10.1016/j.ajem.2015.07.029.
• S. Gündüz; M. Özkan; M. Yesin; M. Kalçık; MO. Gürsoy; S. Karakoyun; MA.  Astarcioglu MA; AÇ. Aykan; T. Gökdeniz; M. Biteker; NE. Duran; M Yıldız. Prolonged infusions of low dose thrombolytics in elderly patients with prosthetic heart valve thrombosis. Clinical & Applied Thrombosis/Hemostasis 2015
• Toprak C, Yesin M, Mustafa Tabakci M, Demirel M, Avci A. Coronary Subclavian Steal Syndrome Evaluated with Multimodality Imaging. Intern Med. 2015;54(21):2717-20. doi: 10.2169/internalmedicine.54.4979. Epub 2015 Nov 1.PMID:26521899
• Mehmet Özkan, Macit Kalçık, Mustafa Ozan Gürsoy, Lütfi Öcal, Samantha Griffini, Süleyman Karakoyun, Mahmut Yesin, Sabahattin Gündüz, Mehmet Ali Astarcıoğlu, Emrah Bayam, Sinan Cerşit, Ahmet Çağrı Aykan, Massimo Cugno. Assessment of Anti-Tissue Type Plasminogen Activator Antibodies in Patients with Prosthetic Heart Valve Thrombosis: The ATA Trial. Journal of Cardiovascular Pharmacology and Therapeutics, 2015
• Bulut M, Acar RD, Acar Ş, Fidan S, Yesin M, İzci S, Efe SC, Çakır H. Evaluation of torsion and twist mechanics of the left ventricle in patients with systemic lupus erythematosus. Anatol J Cardiol. 2015 Jul 20. doi: 10.5152/AnatolJCardiol.2015.6324
• Acar RD, Bulut M, Acar Ş, Izci S, Fidan S, Yesin M, Efe SC Evaluation of the P Wave Axis in Patients With Systemic Lupus Erythematosus.. J Cardiovasc Thorac Res. 2015;7(4):154-7. doi: 10.15171/jcvtr.2015.33. PMID:26702344
• Mustafa Ozan Gürsoy, Süleyman Karakoyun, Macit Kalçık, Mahmut Yesin, Sabahattin Gündüz, Mehmet Ali Astarcıoğlu, Ali Emrah Oğuz, Mehmet Özkan. Evaluation of p53 polymorphism in patients with pannus-derived prosthetic dysfunction. Journal of Heart Valve Disease , 2015
• Sabahattin Gündüz, Mehmet Özkan, Macit Kalçık, Mustafa Ozan Gürsoy, Mehmet Ali Astarcıoğlu, Süleyman Karakoyun, Ahmet Çağrı Aykan, Murat Biteker, Tayyar Gökdeniz,  Hasan Kaya, Mahmut Yesin, Nilüfer Ekşi Duran, Deniz Sevinç, Tahsin Güneysu. 64-section cardiac computed tomography in mechanical prosthetic heart valve dysfunction: Thrombus or Pannus. Circulation-CV Imaging, 2015
• Süleyman Karakoyun, Macit Kalçık, Mahmut Yesin. Relationship between neutrophil–lymphocyte ratio and in-hospital mortality. Herz, 2015
• M.A Astarcioglu; T Sen; C Kilit; H.I Durmus; G Gozubuyuk; H.Z Agus; M. Kalcik; S. Karakoyun; M. Yesin; A. Dogan; M. Ozkan. Procedural sedation during transradial coronary angiography to prevent spasm. Herz, 2015
• Mustafa Ozan Gürsoy, Macit Kalçık, Sabahattin Gündüz, Süleyman Karakoyun, Sinan Cerşit, Mahmut Yesin, Emrah Bayam, Mehmet Özkan. Multimodality approach to diagnosis of prosthetic valve thrombosis. American Heart Journal, 2015
• Mustafa Ozan Gürsoy, Macit Kalçık, Mahmut Yesin, Süleyman Karakoyun, Mehmet Özkan. The leading role of thrombolysis in the management of prosthetic valve thrombosis. Indian Heart Journal, 2015
• Mahmut Yesin, Macit Kalçık, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Mehmet Altuğ Tuncer, Mehmet Özkan. Multimodality approach to diagnose the pseudo-malign myxoma of the heart. Heart Lung & Circulation, 2016 
• Süleyman Karakoyun, Mustafa Ozan Gürsoy, Macit Kalçık, Mahmut Yesin, Sabahattin Gündüz, Mehmet Ali Astarcıoğlu, Zübeyde Bayram, Mehmet Özkan. The role of Protein Z and Protein Z-dependent protease inhibitor polymorphisms in the development of prosthetic heart valve thrombosis. The Anatolian Journal of Cardiology 2016
• Mehmet Ali Astarcıoğlu, Macit Kalçık, Mahmut Yesin, Mustafa Ozan Gürsoy, Taner Şen, Süleyman Karakoyun, Sabahattin Gündüz, Mehmet Özkan. AB0 blood types: impact on development of prosthetic mechanical valve thrombosis. The Anatolian Journal of Cardiology 2016
• Mustafa Ozan Gürsoy, Macit Kalçık, Mahmut Yesin, Süleyman Karakoyun, Sabahattin Gündüz, Mehmet Özkan. A global perspective on mechanical prosthetic heart valve thrombosis: Diagnostic and therapeutic challenging steps. The Anatolian Journal of Cardiology 2016 (Baskıda)
•  Alizade E, Yesin M, Tabakci MM, Avci A, Bulut M, Acar G, Şimşek Z, Izci,Barutçu S, Pala S.Utility of speckle tracking echocardiography imaging in patients with asymptomatic and symptomatic arrhythmogenic right ventricular ardiomyopathy. Echocardiography.2016Nov;33(11):1683-1688.doi:1111/echo.13338.PMID:27599902
• Alizade E, Yesin M, Yazicioğlu MV, Karaayvaz EB, Atici A, Arslan Ş, Avci A, Acar G, Tabakci M, Izci S, Pala S. Evaluation of Tp-e Interval, Tp-e/QT Ratio, and Tp-e/QTc Ratio in Patients with Asymptomatic Arrhythmogenic Right Ventricular Cardiomyopathy. Ann Noninvasive Electrocardiol. 2016 Mar 28. doi: 10.1111/anec.12362. [Epub ahead of print]PMID:27610610
• Çağdaş M, Karakoyun S, Yesin M, Rencüzoğulları İ, Artaç İ, Çınar T. A Simple and Inexpensive Option for Nonsurgical Septal Reduction in Hypertrophic Obstructive Cardiomyopathy: Embolization of the Septal Artery With Subcutaneous Fat Tissue. JACC Cardiovasc Interv. 2016 Jun 13;9(11):e101-2. doi: 10.1016/j.jcin.2016.02.026. No abstract available. PMID:27209250
• Rencuzogullari I, Börekçi A, Karakoyun S, Cagdas M, Karabağ Y, Yesin M, Artac I, Ilis D. A rare cause of acute coronary syndrome: Coronary thrombosis in three coronary arteries due to whey protein. Am J Emerg Med. 2016 Nov 3. pii: S0735- 757(16)30810-5. doi: 10.1016/j.ajem.2016.11.002
• Mahmut Yesin, Cüneyt Toprak, Emrah Acar, Macit Kalçık, Ahmet Erdal Taşçı, Selçuk Pala. The bronchial obstruction as a complication of endovascular repair of aortic pseudoaneurysm in Behçet's Disease. . Interventional Medicine & Applied Science 2016
• Karakoyun S, Ozan Gürsoy M, Yesin M, Kalçık M, Astarcıoğlu MA, Gündüz S, Emrah Oğuz A, Çoban Kökten Ş, Nimet Karadayı A, Tuncer A, Köksal C, Gökdeniz T, Özkan M.Histopathological and Immunohistochemical Evaluation of Pannus Tissue in Patients with Prosthetic Valve Dysfunction. J Heart Valve Dis. 2016 Jan;25(1):104-111.
• Çağdaş M,Karakoyun S, Yesin M,Rencüzoğulları İ,Artaç İ Simple and inexpensive way for the treatment of guidewire-induced distal coronary perforation: subcutaneous fat tissue embolization.Anatol J Cardiol. 2016 Dec;16(12):E23-E24. doi: 10.14744/AnatolJCardiol.2016.7445
• Gürsoy MO, Kalçık M, Yesin M, Karakoyun S, Bayam E, Gündüz S, Özkan M.A global perspective on mechanical prosthetic heart valve thrombosis: Diagnostic and therapeutic challenges. Anatol J Cardiol. 2016 Dec;16(12):980-989. doi: 10.14744/AnatolJCardiol.2016.7486.
• Ozan Gürsoy M, Kalçık M, Özkan M, Ali Astarcıoğlu M, Karakoyun S, Gündüz S, Gökdeniz T, Yesin M, Altuğ Tuncer M, Köksal C.Evaluation of Aortic Paravalvular Leak: A Special Reference for Anatomical Localization. J Heart Valve Dis. 2016 Jul;25(4):403-409.
• Yesin M, Toprak C, Acar E, Kalçık M, Taşçı AE, Pala S. The bronchial obstruction as a complication of endovascular repair of aortic pseudoaneurysm in Behçet's disease.Interv Med Appl Sci. 2016 Sep;8(3):127-130. doi: 10.1556/1646.8.2016.3.1. Review.PMID:28203395
• Çağdaş M, Karakoyun S, Rencüzoğullari İ, Karabağ Y, Yesin M, Uluganyan M, Gürsoy MO, Artaç İ, İliş D, Efe SÇ, Taşar O. Relationship between R-wave peak time and no-reflow in ST elevation myocardial infarction treated with a primary percutaneous coronary intervention..Coron Artery Dis. 2017 Jun;28(4):326-331. doi: 10.1097/MCA.0000000000000477.PMID:28207567
• Yesin M, Kalçık M, Gürsoy MO, Karakoyun S, Çağdaş M, Özkan M. Acute myocardial infarction in a patient suffering from penicillin-induced laryngeal edema : Kounis syndrome aggravated by adrenaline. Wien Klin Wochenschr. 2017 Jul;129(13-14):509-511. doi: 10.1007/s00508-017-1183-1. Epub 2017 Mar 2.PMID:28255796
• Yesin M, Kalçık M, Alizade E, Taşar O, Özkan M. Multimodality imaging of a left ventricular aneurysm in a patient with normal coronary arteries: Unusual localization. Echocardiography. 2017 Jul;34(7):1110-1111. doi: 10.1111/echo.13557. Epub 2017 May 12. PMID:28497538
• Astarcıoglu MA, Kılıt C, Sen T, Durmus HI, Kalcık M, Gursoy MO, Yesın M, Asarcıklı LD, Gozubuyuk G, Amasyalı B. One-year results of primary stenting for TASC II D lesions of the superficial femoral and popliteal arteries. Acta Cardiol. 2017 Feb;72(1):36-40. doi: 10.1080/00015385.2017.1281521. PMID: 28597743
• Çağdaş M, Karakoyun S, Rencüzoğulları İ, Karabağ Y, Yesin M, Gürsoy MO, Artaç İ, İliş D, Efe SÇ, Taşar O, Karaca G. P wave peak time; a novel electrocardiographic parameter in the assessment of coronary no-reflow. J Electrocardiol.2017Sep-Oct;50(5):584-590. doi: 10.1016/j.jelectrocard.2017.06.010. Epub 2017 Jun 8. PMID:28623012
• Yesin M, Çağdaş M, Kalçık M, Uluganyan M, Efe SÇ, Rencüzoğulları İ, Karabağ Y, Gürsoy MO, Karakoyun S  Comparison of syntax score and syntax score II to predict "no reflow phenomenon" in patients with ST-segment elevation myocardial infarction. Int J Cardiovasc Imaging. 2017 Dec;33(12):1883-1889. doi: 10.1007/s10554-017-1200-5. Epub 2017 Jun 29. PMID: 28664479
• Yesin M, Kalçık M, Çağdaş M, Karakoyun S, Bayam E, Özkan M. Oscillating left atrial appendage in a massive pericardial effusion due to severe paravalvular leakage after mitral valve replacement. Acta Cardiol. 2017 Dec;72(6):689-690. doi: 10.1080/00015385.2017.1324670. Epub 2017 Jul 6. No abstract available. PMID: 28679318
• Karabağ Y, Rencuzogullari I, Çağdaş M, Karakoyun S, Yesin M, Uluganyan M, Gürsoy MO, Artaç İ, İliş D, Gökdeniz T, Efe SÇ, Taşar O, Tanboğa HI. Association between BNP levels and new-onset atrial fibrillation : A propensity score approach. Herz. 2017 Jul 13. doi: 10.1007/s00059-017-4598-6. [Epub ahead of print] PMID: 28707026
• Yesin M, Kalçık M, Çağdaş M, Karabağ Y, Rencüzoğulları İ, Gürsoy MO, Efe SÇ, Karakoyun S. Fragmented QRS may predict new onset atrial fibrillation in patients with ST-segment elevation myocardial infarction. J Electrocardiol. 2017 Aug 15. pii: S0022-0736(17)30255-8. doi: 10.1016/j.jelectrocard.2017.08.014
• Rencuzogullari I, Çağdaş M, Karakoyun S, Yesin M, Gürsoy MO, Artaç İ, İliş D, Efe SC, Tanboga IH. Propensity score matching analysis of the impact of Syntax score and Syntax score II on new onset atrial fibrillation development in patients with ST segment elevation myocardial infarction. Ann Noninvasive Electrocardiol. 2017 Oct 4. doi: 10.1111/anec.12504
• Rencuzogullari I, Çağdaş M, Karabağ Y, Karakoyun S, Yesin M, Gürsoy MO, Seyis S, Artaç İ, İliş D, Efe SÇ, Tanboğa İH. Association of the SYNTAX Score II with cardiac rupture in patients with ST-segment elevation myocardial infarction undergoing a primary percutaneous coronary intervention. Coron Artery Dis. 2017 Oct 12. doi: 10.1097/MCA.0000000000000571. [Epub ahead of print] PMID:29028739
• Rencüzoğulları İ, Çağdaş M, Karakoyun S, Karabağ Y, Yesin M, Artaç İ, İliş D, Selçuk M, Öterkuş M, Tanboğa Hİ. The association between electrocardiographic R wave peak time and coronary artery disease severity in patients with non-ST segment elevation myocardial infarction and unstable angina pectoris. J Electrocardiol. 2017 Sep 27. pii: S0022-0736(17)30340-0. doi: 10.1016/j.jelectrocard.2017.09.009. [Epub ahead of print] PMID:29108790
• Rencuzogullari I, Çağdaş M, Karakoyun S, Karabağ Y, Yesin M, Gürsoy MO, Artaç İ, İliş D, Efe SÇ, Tural K, Tanboğa IH.Association of Syntax Score II with Contrast-induced Nephropathy and Hemodialysis Requirement in Patients with ST Segment Elevation Myocardial Infarction Undergoing Primary Percutaneous Coronary Intervention. Korean Circ J. 2017 Nov 15. doi: 10.4070/kcj.2017.0058. [Epub ahead of print]PMID:29171203
• Çağdaş M, Rencüzoğullari I, Karakoyun S, Karabağ Y, Yesin M, Artaç I, Iliş D, Çağdaş ÖS, Tezcan AH, Tanboğa HI. Assessment of Relationship Between C-Reactive Protein to Albumin Ratio and Coronary Artery Disease Severity in Patients With Acute Coronary Syndrome. Angiology. 2017 Jan 1:3319717743325. doi: 10.1177/0003319717743325. [Epub ahead of print] PMID:29172653
• Kalçık M, Yesin M, Bayam E, Gürsoy MO, Güner A, Gündüz S, Özkan M. Management of an acute ischemic stroke during thrombolytic treatment in a pregnant patient with prosthetic valve thrombosis. Interv Med Appl Sci. 2017 Sep;9(3):150-153. doi: 10.1556/1646.9.2017.30. PMID: 29201439
• Karakoyun S, Ozan Gürsoy M, Kalçık M, Yesin M, Gündüz S, Ali Astarcıoğlu M, Bayram Z, Çakal B, Bayam E, Özkan M. The Role of Protein Z and Protein Z-Dependent Protease Inhibitor Polymorphisms in the Development of Prosthetic Heart Valve Thrombosis. J Heart Valve Dis. 2017 Jul;26(4):460-466. PMID: 29302946
• Çağdaş M, Karakoyun S, Rencüzoğulları İ, Karabağ Y, Yesin M, Velibey Y, Artaç İ, İliş D, Efe SÇ, Taşar O, Tanboğa Hİ. Assessment of the relationship between reperfusion success and T-peak to T-end interval in patients with ST elevation myocardial infarction treated with percutaneous coronary intervention. Anatol J Cardiol. 2018 Jan;19(1):50-57. doi: 10.14744/AnatolJCardiol.2017.7949
• Çağdaş M, Karakoyun S, Yesin M, Rencüzoğulları İ, Karabağ Y, Uluganyan M, Ozan Gürsoy M, Artaç İ, İliş D, Atalay E, Sadioğlu Çağdaş Ö. The Association between Monocyte HDL-C Ratio and SYNTAX Score and SYNTAX Score II in STEMI Patients Treated with Primary PCI. Acta Cardiol Sin. 2018 Jan;34(1):23-30. doi:10.6515/ACS.201801_34(1).20170823A.
• Karabağ Y, Çağdaş M, Rencuzogullari I, Karakoyun S, Artaç İ, İliş D, Yesin M, Öterkus M, Gokdeniz T, Burak C, Tanboğa IH. Comparison of SYNTAX score II efficacy with SYNTAX score and TIMI risk score for predicting in-hospital and long-term mortality in patients with ST segment elevation myocardial infarction.Int J Cardiovasc Imaging. 2018 Mar 14. doi: 10.1007/s10554-018-1333-1
• Cerşit S, Gündüz S, Bayam E, Güner A, Kalkan S, Kalçık M, Karakoyun S, Gürsoy MO, Yesin M, Candan Ö, Özkan M.Evaluation of D-dimer levels in patients with prosthetic valve thrombosis: relationship with thrombus burden and cerebrovascular events. Blood Coagul Fibrinolysis. 2018 Mar 22. doi: 10.1097/MBC.000000000000072
• Karabağ Y, Çağdaş M, Rencuzogullari I, Karakoyun S, Artaç İ, İliş D, Yesin M, Sadioğlu Çağdaş Ö, Altıntaş B, Burak C, Tanboğa HI. Usefulness of The C-Reactive Protein/Albumin Ratio for Predicting No-Reflow in ST elevation myocardial infarction treated with primary percutaneous coronary intervention.Eur J Clin Invest. 2018 Mar 25:e12928. doi: 10.1111/eci.12928
• Karabağ Y, Çağdaş M, Rencuzogullari I, Karakoyun S, Artaç İ, İliş D, Atalay E, Yesin M, Gürsoy MO, Halil Tanboğa I. Relationship between C-reactive protein/albumin ratio and coronary artery disease severity in patients with stable angina pectoris. J Clin Lab Anal. 2018 Apr 18:e22457. doi: 10.1002/jcla.22457
• Yesin M, Karakoyun S, Kalçık M, Gürsoy MO, Gündüz S, Astarcıoğlu MA, Bayam E, Cerşit S, Güner A, Özkan M. Status of the Epicardial Coronary Arteries in Non-ST Elevation Acute Coronary Syndrome in Patients with Mechanical Prosthetic Heart Valves (from the TROIA-ACS Trial). Am J Cardiol. 2018 May 11. pii: S0002-9149(18)31046-4. doi: 10.1016/j.amjcard.2018.04.045
• Karabağ Y, Rencuzogullari I, Çağdaş M, Karakoyun S, Yesin M, Atalay E, Çağdaş ÖS, Gürsoy MO, Burak C, Tanboğa HI. Association of serum uric acid levels with SYNTAX score II and long term mortality in the patients with stable angina pectoris who undergo percutaneous coronary interventions due to multivessel and/or unprotected left main disease. Int J Cardiovasc Imaging. 2018 Aug 24. doi: 10.1007/s10554-018-1446-6
• Yesin M, Çağdaş M, Kalçık M, Rencüzoğulları İ, Karabağ Y, Gürsoy MO, Karakoyun S. The relationship between fragmented QRS complexes and syntax II scores in patients with ST-segment elevation myocardial infarction. J Electrocardiol. 2018 Sep - Oct;51(5):825-829. doi: 10.1016/j.jelectrocard.2018.06.008. Epub 2018 Jul 13
• Bayam E, Kalçık M, Gürbüz AS, Yesin M, Güner A, Gündüz S, Gürsoy MO, Karakoyun S, Cerşit S, Kılıçgedik A, Candan Ö, Yaman A, Özkan M. The relationship between heparanase levels, thrombus burden and thromboembolism in patients receiving unfractionated heparin treatment for prosthetic valve thrombosis. Thromb Res. 2018 Nov;171:103-110. doi: 10.1016/j.thromres.2018.09.061. Epub 2018 Sep 26.
• Karabağ Y, Çağdaş M, Rencuzogullari I, Karakoyun S, Artaç İ, İliş D, Yesin M, Çiftçi H, Erdoğdu HI, Tanboğa IH. The C-Reactive Protein to Albumin Ratio Predicts Acute Kidney Injury in Patients With ST-segment Elevation Myocardial Infarction Undergoing Primary Percutaneous Coronary Intervention. Heart Lung Circ. 2018 Sep 9. pii: S1443-9506(18)31863-8. doi: 10.1016/j.hlc.2018.08.009
• Güner A, Kalçık M, Yesin M, Özkan M. Intermittent malfunction and regurgitation of a mitral prosthetic valve due to entrapment by a residual subvalvular apparatus. Echocardiography. 2018 Dec;35(12):2092-2094. doi: 10.1111/echo.14188. Epub 2018 Nov 1.
• Cerşit S, Gündüz S, Ozan Gürsoy M, Karakoyun S, Kalçık M, Bayam E, Yesin M, Özkan M Relationship Between Pulmonary Venous Flow and Prosthetic Mitral Valve Thrombosis. J Heart Valve Dis. 2018 Jan;27(1):65-70.
• Çınar T, Çağdaş M, Rencüzoğulları İ, Karakoyun S, Karabağ Y, Yesin M, Çağdaş ÖS, Tanboğa Hİ. Prognostic Efficacy of C-reactive protein/Albumin Ratio in ST Elevation Myocardial Infarction. Scand Cardiovasc J. 2019 Mar 5:1-26. doi: 10.1080/14017431.2019.1590628
• Kalçık M, Bayam E, Güner A, Küp A, Kalkan S, Yesin M, Gürsoy MO, Gündüz S, Karakoyun S, Özkan M. Evaluation of the potential predictors of embolism in patients with left atrial myxoma. Echocardiography. 2019 Apr 1. doi: 10.1111/echo.14331
• Rencuzogullari I, Çağdaş M, Karabağ Y, Karakoyun S, Yesin M, Çinar T, Tanik VO, Burak C, Tanboğa İH. Value of syntax score II for predicting in-hospital and long-term survival in octogenarians with ST-segment elevation myocardial infarction: A comparison of six different risk scores..Arch Gerontol Geriatr. 2019 Mar 26;83:37-43. doi: 10.1016/j.archger.2019.03.016. [Epub ahead of print] PMID:30939363
• Burak C, Çağdaş M, Rencüzoğulları I, Karabağ Y, Artaç I, Yesin M, Çınar T, Yıldız I, Suleymanoglu M, Tanboğa HI. Association of P wave peak time with left ventricular end-diastolic pressure in patients with hypertension.. J Clin Hypertens (Greenwich). 2019 Apr 5. doi: 10.1111/jch.13530
• Rencuzogullari I, Karabağ Y, Çağdaş M, Karakoyun S, Seyis S, Gürsoy MO, Yesin M, Artaç İ, İliş D, Tanboğa İH.Assessment of the relationship between preprocedural C-reactive protein/albumin ratio and stent restenosis in patients with ST-segment elevation myocardial infarction. Rev Port Cardiol. 2019 May 16. pii: S0870-2551(17)30978-2. doi: 10.1016/j.repc.2018.08.008.
• Burak C, Yesin M, Tanık VO, Çağdaş M, Rencüzoğulları İ, Karabağ Y, Hamideyin Ş, İliş D, Çınar T, Altıntaş B, Baysal E. Prolonged P wave peak time is associated with the severity of coronary artery disease in patients with non-ST segment elevation myocardial infarction. J Electrocardiol. 2019 May 30;55:138-143. doi: 10.1016/j.jelectrocard.2019.05.015
• Yesin M, Çağdaş M, Karabağ Y, Rencüzoğullari İ, Burak C, Kalçik M, Gürsoy MO, Karakoyun S. Assessment of the relationship between C-reactive protein-to-albumin ratio and slow coronary flow in patients with stable angina pectoris. Coron Artery Dis. 2019 Jun 14. doi: 10.1097/MCA.0000000000000773.
• Kalçık M, Güner A, Yesin M, Bayam E, Kalkan S, Gündüz S, Gürsoy MO, Karakoyun S, Cerşit S, Özkan M. Identification of mechanical prosthetic heart valves based on distinctive cinefluoroscopic and echocardiographic markers. Int J Artif Organs. 2019 Nov;42(11):603-610. doi: 10.1177/0391398819860845
• Çınar T, Karabağ Y, Burak C, Tanık VO, Yesin M, Çağdaş M, Rencüzoğulları İ. A simple score for the prediction of stent thrombosis in patients with ST elevation myocardial infarction: TIMI risk index. J Cardiovasc Thorac Res. 2019;11(3):182-188. doi: 10.15171/jcvtr.2019.31. Epub 2019 Aug 7 31579457
• Süleymanoğlu M, Rencüzoğulları İ, Karabağ Y, Çağdaş  M , Yesin M, Gümüşdağ A ,Çap  M ,Gök  M, Yıldız İ. The relationship between atherogenic index of plasma and no-reflow in patients with acute ST-segment elevation myocardial infarction who underwent primary percutaneous coronary intervention [published online ahead of print, 2020 Jan 9]. Int J Cardiovasc Imaging. 2020;10.1007/s10554-019-01766-8. doi:10.1007/s10554-019-01766-8
• Yesin M, Karabağ T, Kalçık M, Karakoyun S, Çağdaş M, İbrahimov Z. The mortal cause of sudden ECG changes in patients with chronic aortic insufficiency: Aortic dissection..Interv Med Appl Sci. 2019 Mar;11(1):68-70. doi: 10.1556/1646.10.2018.50.PMID: 32148906 
• Kalçık M, Yesin M, Güner A, Bayam E, Yetim M, Doğan T, Bekar L, Çelik O, Karavelioğlu Y Echocardiographic measurement of epicardial adipose tissue thickness in patients with microvascular angina. .Interv Med Appl Sci. 2019 Jun;11(2):106-111. doi: 10.1556/1646.11.2019.12.PMID: 32148914 
• Güner A, Kalçık M, Yesin M, Özkan M Management of acute coronary syndromes in patients with prosthetic heart valves.. Cardiol Young. 2020 Aug;30(8):1217-1218. doi: 10.1017/S1047951120000979. Epub 2020 Apr 24.PMID: 32326996
•  Burak C, Süleymanoğlu M, Yesin M, Cap M, Yıldız İ, Rencüzoğulları İ, Çağdaş M, Karabağ Y, Hamideyin Ş, İliş D, Baysal E . The Association of Fractional Pulse Pressure with Acute Kidney Injury in Patients Undergoing Coronary Intervention Due to ST-Segment Elevated Myocardial Infarction. Med Princ Pract. 2020 Apr 28. doi: 10.1159/000508249
•  Güner A, Kalçık M, Gürsoy MO, Gündüz S, Astarcıoğlu MA, Bayam E, Kalkan S, Yesin M, Karakoyun S, Özkan M Comparison of Different Anticoagulation Regimens Regarding Maternal and Fetal Outcomes in Pregnant Patients With Mechanical Prosthetic Heart Valves (from the Multicenter ANATOLIA-PREG Registry). .Am J Cardiol. 2020 Jul 15;127:113-119. doi: 10.1016/j.amjcard.2020.04.010. Epub 2020 Apr 19
•  Süleymanoğlu M, Burak C, Gümüşdağ A, Yesin M, Rencüzoğulları İ, Karabağ Y, Çağdaş M, Çap M Assessment of the relation between C-reactive protein to albumin ratio and the severity and complexity of peripheral arterial disease. .Vascular. 2020 Dec;28(6):731-738. doi: 10.1177/1708538120925952. Epub 2020 May 21.
• Gümüşdağ A, Burak C, Süleymanoğlu M, Yesin M, Tanık VO, Karabağ Y, Çağdaş M, Rencüzoğulları İ. The predictive value of RS time for short term mortality in patients with acute pulmonary embolism. J Electrocardiol. 2020 Jul 21;62:94-99. doi: 10.1016/j.jelectrocard.2020.07.013
• Kalçık M, Özkan M, Gündüz S, Gürsoy MO, Yesin M, Bayam E, Güner A, Kalkan S, Karakoyun S, Tanboğa Hİ. Normal reference values for mechanical mitral prosthetic valve inner diameters and areas assessed by two-dimensional and real-time three-dimensional transesophageal echocardiography. Int J Cardiovasc Imaging. 2020 Oct 3. doi: 10.1007/s10554-020-02039-5.
• Özkan M, Gündüz S, Güner A, Kalçık M, Gürsoy MO, Uygur B, Keleş N, Kaya H, Kılıçgedik A, Bayam E, Kalkan S, Astarcıoğlu MA, Karakoyun S, Yesin M, İnan D, Fedakar A, Sarıkaya S, Aksüt M, Onan B, Koçoğulları CU. Thrombolysis or Surgery in Patients With Obstructive Mechanical Valve Thrombosis: The Multicenter HATTUSHA Study. J Am Coll Cardiol. 2022 Mar 15;79(10):977-989. doi: 10.1016/j.jacc.2021.12.027.
• Kalkan S, Güner A, Kalçık M, Gürsoy MO, Gündüz S, Bayam E, Yesin M, Karakoyun S, Keten MF, Özkan M. Lessons Learned From Intermittent Dysfunction of Mechanical Heart Valve.  Anatol J Cardiol. 2022 Sep;26(9):725-732. doi: 10.5152/AnatolJCardiol.2022.1677.

Uluslararası bilimsel toplantılarda sunulan ve bildiri kitabında (Proceedings) basılan bildiriler 

• M.O. Gursoy, M.A. Astarcioglu, S. Gunduz, Z. Bayram, B. Cakal, S. Karakoyun, M. Kalcik, M. Yesin, M. Yildiz, M. Ozkan. Real-time three-dimensional transesophageal echocardiography in the evaluation of mechanical prosthetic mitral valve ring thrombosis: an echo-morphologic study of the danger lying in ambush. Poster Presentation, European Society of Cardiology (ESC) Congress, 2012, Munich
• S. Karakoyun, M. Kalcik, AE. Oguz S. Gunduz, MO. Gursoy, M. Yesin, Z. Bayram, AC. Ayhan, SC. Kokten, M. Ozkan , Histological and immunohistochemical characteristics of pannus in prosthetic valves  Poster presentation , ESC, 2013, Amsterdam
• S. Karakoyun, OM. Gursoy, M. Kalcik, H. Kaya, T. Gokdeniz, S. Gunduz, M. Yesin, M. Yildiz, NE. Duran, M. Ozkan , Prosthetic heart valve thrombosis as a source of coronary embolism: a novel strategy in the management of acute coronary syndrome ( the Troia-core trial), Poster presentation,  ESC, 2013, Amsterdam
• M.O.Gürsoy, S.Karakoyun, M.Kalçık, Z.Bayram, B.Çakal, M.Yesin, G.Kahveci, N.E.Duran, M.Yıldız, M.Özkan , Prosthetic meCHAnical mitral valve ring clot: Clinical implication of utility of Serial real time three dimensional transesophageal Echocardiography in  the evaluation of THRombus evolution   (The CHASE-THR trial)  ,  Poster presentation,  ESC, 2013, Amsterdam
• M. Kalcik, M O. Gursoy, MA. Astarcioglu, T. Gokdeniz, S. Karakoyun, B. Cakal, M. Yesin, G. Kahveci, M. Yildiz, M. Ozkan Defect shape contributes to the development of hemolysis in patients with severe mitral paravalvular leaks: a RT-3D TEE study    Oral  presentation, Euroecho Imaging, 2013,  İstanbul.
• Macit Kalçık, Mustafa Ozan Gürsoy, Sinan Cersit, Sabahattin Gündüz, Mehmet Ali Astarcıoğlu, Süleyman Karakoyun, Mahmut Yesin, Lütfi Öcal, Alev Kılıçgedik, Mehmet Özkan. Management of an acute ischemic stroke occurred during thrombolytic treatment of a pregnant patient with prosthetic mitral valve thrombosis , Oral presentation,  Acute Cardiovascular Care Congress 2014, Cenevre
• Süleyman Karakoyun , Mustafa O. Gürsoy , Ali Emrah Oguz , Macit Kalçık , Mahmut Yesin ,Sabahattin Gündüz ,Mehmet Ali Astarcıoglu, Tayyar Gökdeniz , Mehmet Özkan. Evaluation of p53 polymorphism in patients with pannus-derived prosthetic dysfunction. Poster presentation , WCC 2014, Melbourne
• Macit Kalcik , M.Ozan Gursoy , Lutfi Ocal , Mahmut Yesin , Suleyman Karakoyun , Zubeyde Bayram , Beytullah Cakal, Mehmet A. Astarcioglu , Sabahattin Gunduz , Mehmet Ozkan. The Effect of Hemolysis on Serum Lipid Levels in Patients Suffering from Mitral and/or Aortic Prosthetic Paravalvular Leakage. Poster presentation , WCC 2014, Melbourne
• Mustafa O. Gürsoy , Süleyman Karakoyun , Macit Kalçık , Tayyar Gökdeniz, Mahmut Yesin, Sabahattin Gündüz , Mehmet Ali Astarcıoğlu , Mehmet Özkan. Novel Hematologic Inflammatory Parameters In Prediction of Prosthetic Valve Thrombosis. Poster presentation , WCC 2014, Melbourne
• Mahmut Yesin, Macit Kalçık, Mustafa Ozan Gürsoy, Lütfi Öcal, Hayati Eren, Sinan Cersit, Süleyman Karakoyun, Mehmet Ali Astarcıoğlu, Mehmet Balkanay, Mehmet Özkan. A fulminant myocarditis case with intracardiac mobile thrombi which was managed with thrombectomy and left ventricular assist device implantation. Poster presentation, EuroHeart Failure Congress 2014, Athens
• Mahmut Yesin, Macit Kalçık, Mustafa Ozan Gürsoy, Lütfi Öcal, Hayati Eren, Sinan Cersit, Süleyman Karakoyun, Mehmet Ali Astarcıoğlu, Sabahattin Gündüz, Mehmet Özkan. Post-Abortus Cardiomyopathy in a Patient with Prosthetic Heart Valve, Poster presentation, EuroHeart Failure Congress 2014, Athens
• Macit Kalçık, Lütfi Öcal, Mustafa Ozan Gürsoy, Massimo Cugno, Samantha Griffini, Süleyman Karakoyun, Sabahattin Gündüz, Mehmet Ali Astarcıoğlu, Mahmut Yesin,Mehmet Özkan, The Role of Anti-tPA Antibodies in Patients with Prosthetic Heart Valve Thrombus Thrombolysed with Recombinant Tissue-Type Plasminogen Activator: The ATA Trial , Moderated Poster presentation, ESC  2014, Barcelona
• Macit Kalçık, Beytullah Çakal, Mustafa Ozan Gürsoy, Mahmut Yesin, Mehmet Ali Astarcıoğlu, Sabahattin Gündüz, Süleyman Karakoyun, Sinan Cersit, Cüneyt Toprak, Mehmet Özkan Evaluation of endothelial  function in patients with prosthetic heart valve thrombosis before and early after thrombolytic theraphy Poster  presentation, Euroecho Imaging, 2014,  Viyena
• Macit Kalçık, Mustafa Ozan Gürsoy, Sabahattin Gündüz, Mahmut Yesin, Mehmet Ali Astarcıoğlu, Süleyman Karakoyun, Alev Kılıçgedik , Cüneyt Toprak, Sinan Cersit, Mehmet Özkan. Quantitative Assessment of Normal Mitral Mechanical Valves by Real Time Three Dimensional Transesophageal Echocardiography : a Reference Study. Poster  presentation, EuroHeart Failure Congress 2015, Seville
• Macit Kalçık, Mahmut Yesin, Emrah Bayam, Lütfi Öcal, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Sabahattin Gündüz, Mehmet Ali Astarcıoğlu, Mehmet Özkan. Incremental value of mean platelet volume as a marker of decompensation in patients with congestive heart failure. Poster  presentation, EuroHeart Failure Congress 2015, Seville
• M. Kalcik, M. Yesin, MO. Gursoy, L. Ocal, S. Cersit, S. Karakoyun, MA. Atarcioglu, S. Gunduz, A. Borekci, M. Ozkan.  Evaluation of endothelial functions in patients with paravalvular leakage in early postoperative period. Poster  presentation, EuroHeart Failure Congress 2015, Seville
• Macit Kalçık, Beytullah Çakal, Mehmet Ali Astarcıoğlu, Mustafa Ozan Gürsoy, Sabahattin Gündüz, Süleyman Karakoyun, Sinan Cerşit, Alev Kılıçgedik, Mahmut Yesin, Mehmet Özkan. Comparative analysis of two-dimensional strain and strain rate imaging of the left and right heart in prosthetic heart valve thrombosis before and after thrombolytic therapy.  Poster  presentation, EuroHeart Failure Congress 2015, Seville
• S. Gunduz, M. Yesin, M. Kalcik, S. Karakoyun, MO. Gursoy, Z. Bayram, AC. Aykan, MA. Astarcioglu, M. Biteker, M. Ozkan Thrombolysis in elderly patients with prosthetic heart valve thrombosis. Poster  presentation, ESC 2015, London
• Rezzan DENIZ ACAR, Mustafa Bulut, Şencan Acar, Serdar Fidan, Servet Izci, Mahmut Yesin, Süleyman Ça!gan Efe, Mustafa Akçakoyun. Evaluation of the Torsion and Twist Mechanics of the Left Ventricle in Patients with Systemic Lupus Erythematosus. 11th International Congress Of Update In Cardiology And Cardiovascular Surgery Abstracts / Oral presentation
• S. Gunduz, M. Yesin, M. Kalcik, MO. Gursoy, AC. Aykan, MA. Astarcioglu, S. Karakoyun, A. Kilicgedik, C. Toprak, M. Ozkan Thrombolysis versus anticoagulation as a firstline strategy for non-obstructive prosthetic valve thrombosis. Poster  presentation, ESC 2015, London
• Mahmut Yesin, Macit Kalçık, Mustafa Ozan Gürsoy, Sabahattin Gündüz, Mehmet Ali Astarcıoğlu, Süleyman Karakoyun, Emrah Bayam, Sinan Cersit, Mehmet Özkan. The limited ability of real-time three dimensional transesophageal echocardiography in the evaluation of aortic paravalvular leaks as compared with two-dimensional transesophageal echocardiography. Poster  presentation, EuroEcho Imaging 2015, Seville
• Mustafa Ozan Gürsoy, Macit Kalçık, Mahmut Yesin, Süleyman Karakoyun, Sabahattin Gündüz, Mehmet Ali Astarcıoğlu, Mehmet Özkan. Clinical and echocardiographic assessment of aortic paravalvular leaks. Poster  presentation, EuroEcho Imaging 2015, Seville
• Macit Kalçık, Mahmut Yesin, Sabahattin Gündüz, Mustafa Ozan Gürsoy, Mehmet Ali Astarcıoğlu, Süleyman Karakoyun, Emrah Bayam, Sinan Cersit, Mehmet Özkan. The value of transvalvular gradients obtained by transthoracic echocardiography in estimation of  severe paravalvular leakage in patients with mitral prosthetic valves. Poster  presentation, EuroEcho Imaging 2015, Seville
• Sabahattin Gündüz, Mahmut Yesin, Macit Kalçık, Mustafa Ozan Gürsoy, Sinan Cersit, Mehmet Ali Astarcıoğlu, Süleyman Karakoyun, Ahmet Çağrı Aykan, Mehmet Özkan. Management of late bioprosthetic mitral valve thrombosis. Poster  presentation, EuroEcho Imaging 2015, Seville
• Macit Kalçık, Mahmut Yesin, Mustafa Ozan Gürsoy, Sabahattin Gündüz, Süleyman Karakoyun, Mehmet Ali Astarcıoğlu,  Emrah Bayam, Sinan Cersit, Mehmet Özkan. Comparison of the international normalized ratio values measured by Coaguchek xs coagulation analyzer and conventional laboratory methods in patients on vitamin K antagonist therapy. Poster  presentation,  2nd CITH Congress 2015, Barcelona
• Mahmut Yesin, Macit Kalçık, Sabahattin Gündüz, Mustafa Ozan Gürsoy, Emrah Bayam, Süleyman Karakoyun, Sinan Cersit, Mehmet Özkan. The limited ability of real-time three dimensional transesophageal echocardiography in the evaluation of aortic paravalvular leaks as compared with two-dimensional transesophageal echocardiography. Poster  presentation, XXI. World Congress of Echocardiography and Cardiology  2015, İstanbul
• Macit Kalçık, Mahmut Yesin, Mustafa Ozan Gürsoy, Sabahattin Gündüz, Emrah Bayam,  Süleyman Karakoyun, Mehmet Ali Astarcıoğlu,  Mehmet Özkan. The value of transvalvular gradients obtained by transthoracic echocardiography in estimation of  severe paravalvular leakage in patients with mitral prosthetic valves. Poster  presentation, XXI. World Congress of Echocardiography and Cardiology  2015, İstanbul
• Mahmut Yesin, Macit Kalçık, Sabahattin Gündüz, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Mehmet Ali Astarcıoğlu, Sinan Cersit, Emrah Bayam, Mehmet Özkan. Elevated lipoprotein a levels in patients with prosthetic valve thrombosis. Poster  presentation, ESC 2016, Roma
• M. Kalcik, M. Yesin, E. Bayam, S. Gunduz, MO. Gursoy, S. Karakoyun, MA. Astarcioglu, S. Cersit, O. Candan, M. Ozkan.  The effect of hemolysis on serum lipid levels in patients suffering from severe paravalvular leakage. Poster  presentation, EuroEcho Imaging 2016, Leipzig
• Sinan Cersit, Sabahattin Gündüz, Mustafa Tabakçı, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Emrah Bayam, Macit Kalçık, Mahmut Yesin, Mehmet Özkan. Relationship between pulmonary venous flow and prosthetic mitral valve thrombosis. Poster  presentation, EuroEcho Imaging 2016, Leipzig
• Sabahattin Gündüz, Mahmut Yesin, Macit Kalçık, Emrah Bayam, Sinan Cerşit, Mustafa O Gürsoy, Süleyman Karakoyun, Özlem Yıldırımtürk, Tuğba Kemaloğlu Öz, Hasan Kaya, Mehmet Ali Astarcıoğlu, Burcu Demirkan, Yeşim Güray, İbrahim H Tanboğa, Cem Nazlı, Kürşat Tigen, Mehmet Özkan. Thrombolysis versus Surgery for obstructive prosthetic valve thrombosis. Poster  presentation, American Heart Association’s Scientific Sessions 2016,  New Orleans – Louisiana
• Macit Kalçık, Emrah Bayam, Mahmut Yesin, Sabahattin Gündüz, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Sinan Cerşit, Alev Kılıçgedik, Ahmet Güner, Semih Kalkan, Aysun Erdem, Recep Demirbağ, Mehmet Özkan. Comparison of different anticoagulation regimens in pregnant patients with mechanical prosthetic heart valves. Poster  presentation (Best Poster), ESC 2017, Barcelona . European Heart Journal, Volume 38, Issue suppl_1, 1 August 2017, P6047, DOI: 10.1093/eurheartj/ehx493.P6047
• Emrah Bayam, Macit Kalçık, Mahmut Yesin, Sabahattin Gündüz, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Sinan Cerşit, Ahmet Seyfeddin Gürbüz, Süleyman Çağan Efe, Ali Yaman, Mehmet Özkan. Relationship between heparanase levels and prosthetic valve thrombosis: clinical implications. Poster  presentation, ESC 2017, Barcelona. European Heart Journal, Volume 38, Issue suppl_1, 1 August 2017, P5425, DOI: 10.1093/eurheartj/ehx493.P5425
• Süleyman Karakoyun, M. Ozan Gürsoy, Macit Kalçık, Mahmut Yesin, Sabahattin Gündüz,  Zübeyde Bayram, Beytullah Çakal, Sinan Cerşit,  Emrah Bayam, Ahmet Güner, Semih Kalkan, Mehmet Özkan. The role of protein Z and protein Z-dependent protease inhibitor polymorphisms in the development of prosthetic heart valve thrombosis. Poster  presentation, EuroEcho Imaging 2017, Lisbon
• Sinan Cersit, Sabahattin Gunduz, Emrah Bayam, Macit Kalçık, Mustafa Ozan Gursoy, Mahmut Yesin, Münevver Sari, Cüneyt Toprak, Ahmet Guner, Mehmet Ozkan. Relationship between D-dimer value and obstructive prosthetic valve thrombosis. Poster  presentation, EuroEcho Imaging 2017, Lisbon
• Macit Kalçık, Ahmet Güner, Emrah Bayam, Mahmut Yesin, Semih Kalkan, Mustafa Ozan Gürsoy, Sabahattin Gündüz, Süleyman Karakoyun, Sinan Cerşit, Mehmet Özkan. Evaluation of the relationship between platelet indices and spontaneous echo contrast in patients with mitral prosthetic heart valves. Poster Presentation. Euro Heart Failure Congress, 2019, Atina.
• Macit Kalçık, Ahmet Güner, Emrah Bayam, Semih Kalkan, Mahmut Yesin, Mustafa Ozan Gürsoy, Sabahattin Gündüz, Süleyman Karakoyun, Yusuf Karavelioğlu, Mehmet Özkan. Sequential combination of different thrombolytic therapy regimens in the management of patients with prosthetic valve thrombosis and stuck valves. Poster  presentation, ESC 2019, Paris. European Heart Journal, Volume 40, Issue Supplement_1, October 2019, ehz746.1077.

National Peer-Reviewed Journal Articles

• Acar RD, Bulut M, Ergün S, Yesin M, Eren H, Akçakoyun M. Does cardiac rehabilitation improve left ventricular diastolic function of patients with acute myocardial infarction? Turk Kardiyol Dern Ars. 2014 Dec;42(8):710-6. doi: 10.5543/tkda.2014.76282oth
• Süleyman Karakoyun, Mustafa Ozan Gürsoy, Macit Kalçık, Mahmut Yesin, Mehmet Özkan. A Case Series of Prosthetic Heart Valve Thrombosis-Derived Coronary Embolism. Turk Kardiyol Dern Ars. 2014
• Macit Kalcik, M. Ozan Gursoy, Mahmut Yesin, Mustafa Yıldız, Mehmet Ozkan. The Role of Real-time Three-dimensional Transesophageal Echocardiography in Patient Selection Before Percutaneous Closures of Complex Atrial Septal Defects. Kosuyolu Heart Journal, 2014
• Mahmut Yesin, Macit Kalcik, M. Ozan Gursoy, Mustafa Yıldız, Mehmet Ozkan. Delineation of a Giant Thrombus on a Prosthetic Mitral Valve Which Was Successfully Thrombolysed with Low Dose Slow Infusion of Tissue Plasminogen Activator. Kosuyolu Heart Journal, 2014
• Emrah Bayam, Macit Kalçık, Mahmut Yesin, Mehmet Özkan. A Case of Klippel-Feil Syndrome with Congenital Cardiovascular Anomalies. Turk Kardiyol Dern Ars. 2015
• Macit Kalcik, Lütfi Öcal, Mustafa Ozan Gürsoy, Mahmut Yesin, Mustafa Yıldız, Mehmet Özkan. Spontaneous Prepatellar Bursa Hematoma in a Patient with Mechanical Prosthetic Heart Valve. Kosuyolu Heart Journal 2016;19(1):44-46. DOI: 10.5578/khj.7010
• Macit Kalcik, Mahmut Yesin, M. Ozan Gursoy, Mustafa Yıldız, Mehmet Ozkan. Serial Fluoroscopy Guided Fibrinolytic Therapy in a Patient with Obstructive Mechanical Aortic Valve Thrombosis. Kosuyolu Heart Journal 2016;19(3):191-194. DOI: 10.5578/khj.9552
• İbrahim Rencüzoğulları, Yavuz Karabağ, Metin Çağdaş, Yasemen Adalı, Süleyman Karakoyun, Ekin Emre Erkiliç, Mahmut Yesin, Fatih Medetalıbeyoğlu, İnanç Artaç, Doğan İliş, Uğur Aydın. Impact of Supplementation with Branched Chain Amino Acids on Myocardium and Coronary in Regularly and Intensively Exercising Rats. Kafkas Univ Vet Fak Derg x (x): xxx-xxx, 2018. DOI: 10.9775/kvfd.2017.19220
• Mahmut Yesin, Metin Çağdaş, Macit Kalçık, İbrahim Rencüzoğulları, Yavuz Karabağ, Ozan Mustafa Gürsoy, Yüksel Kıvrak, Süleyman Karakoyun. The Relationship Between HbA1c Level and Beck Depression Scale in Patients with Heart Failure with Type 2 Diabetes Mellitus. Kosuyolu Heart J 2018;21(3):187-192. DOI: 10.5578/khj.67241
• Mahmut Yesin, Metin Çağdaş, Yavuz Karabağ, İbrahim Rencüzoğulları, Macit Kalçık, Cengiz Burak, Tufan Çınar, Süleyman Karakoyun, Ozan Mustafa Gürsoy, İbrahim Halil Tanboğa. Assessment of the Relationship Between C-Reactive Protein to Albumin Ratio and New-Onset Atrial Fibrillation in Patients with ST Elevation Myocardial Infarction. Kosuyolu Heart Journal. DOI: 10.5578/khj.68260
• Gök G, Sinan ÜY, Özyüncü N, Zoghi M; ELDER-TÜRK Investigators. The Prevalence of Cardiovascular Diseases, Risk Factors, and Cardiovascular Drug Therapy in Very Elderly Turkish Patients Admitted to Cardiology Clinics: A Subgroup Analysis of the ELDER-TURK Study. Turk Kardiyol Dern Ars. 2018 Jun;46(4):283-295. doi: 10.5543/tkda.2018.49579. PMID: 29853696
• Şafak Ö, Gürsoy OM, Karakoyun S, Çağdaş M, Dinç Asarcıklı L, Avcı Demir F, Ersoy İ, Akyüz A, Arıcan Özlük Ö, Er F, Baktır AO, Yesin M, Eren H, Sungur A, Kurmuş Ö, Emren V, Yakar Tülüce S, Akyıldız Akçay F, Akıl MA, Makca T, Ergene O, Özkan M. Normal Echocardiographic Measurements in a Turkish Population: The Healthy Heart ECHO-TR Trial. Anatol J Cardiol. 2019 Nov;22(5):262-270. doi: 10.14744/AnatolJCardiol.2019.45845
• Macit Kalcik, Emrah Bayam, Ahmet Güner, Mahmut Yesin, Mucahit Yetim, Tolga Doğan, Lütfü Bekar, Oğuzhan Çelik, Yusuf Karavelioğlu. Increased Ventricular Activation Time in Patients Diagnosed with Cardiac Syndrome X. Kosuyolu Heart Journal. DOI: 10.5578/khj.68492
• Dr. Öğretim Üyesi Macit Kalçık*, Dr. Mahmut Yesin**. The Importance of Mean Platelet Volume as an Indicator of Decompensation in Patients with Heart Failure. MN Kardiyoloji 2019;26(3):134-140
• Macit Kalçık, Mahmut Yesin, Ahmet Güner, Mehmet Özkan. The Potential Role of Endothelial Dysfunction in Development of Paravalvular Leaks in Patients with Prosthetic Heart Valves. Kafkas J Med Sci 2019;9(2):103–109. doi: 10.5505/kjms.2019.56873
• Kalçık M, Güner A, Bayam E, Yesin M, Kalkan S, Gürsoy MO, Gündüz S, Karakoyun S, Cerşit S, Özkan M. Evaluation of the Relationship Between Platelet Indices and Spontaneous Echo Contrast in Patients with Mitral Prosthetic Heart Valves. Turk Kardiyol Dern Ars. 2020 Mar;48(2):127-136. doi: 10.5543/tkda.2019.17266
• Çakal B, Kalçık M, Güner A, Yesin M, Gürsoy MO, Gündüz S, Karakoyun S, Bayam E, Kalkan S, Özkan M. Improvement of Endothelial Function Early After Thrombolytic Therapy in Patients with Prosthetic Heart Valve Thrombosis. Turk Kardiyol Dern Ars. 2020 Sep;48(6):566-575. doi: 10.5543/tkda.2020.23621

Presentations at National Scientific Meetings (Published in Proceedings)

• S. Karakoyun, A.E. Oğuz, M.O. Gursoy, S. Gunduz, Z. Bayram, B. Cakal, M. Kalcik, M. Yesin, R.D. Acar, G. Kahveci, M. Yildiz, M. Ozkan. Histopathological and Immunohistochemical Examination of Prosthetic Valve Pannus Cases. Oral Presentation, 28th National Cardiology Congress of TKD, 2012, Antalya
• S. Karakoyun, M.O. Gursoy, H. Kaya, Z. Bayram, B. Cakal, M. Kalcik, M. Yesin, R.D. Acar, G. Kahveci, M. Yildiz, M. Ozkan. Acute Coronary Syndrome in Prosthetic Valve Cases: Underlying Prosthetic Valve Thrombosis as a Source of Coronary Embolism. Oral Presentation, 28th National Cardiology Congress of TKD, 2012, Antalya
• Z. Bayram, M.O. Gursoy, B. Cakal, S. Karakoyun, M. Kalcik, M. Yesin, G. Kahveci, M. Ozkan. Effect of Thrombolytic Therapy on B-type Natriuretic Peptide Levels in Patients with Mechanical Prosthetic Valve Thrombosis. Oral Presentation, 28th National Cardiology Congress of TKD, 2012, Antalya
• B. Cakal, S. Çakal, M.O. Gursoy, Z. Bayram, S. Karakoyun, M. Kalcik, M. Yesin, R.D. Acar, G. Kahveci, M. Yildiz, M. Ozkan. Evaluation of Right and Left Heart Using 2D Strain and Strain Rate Imaging in Patients Undergoing Thrombolytic Therapy Due to Prosthetic Valve Thrombosis. Oral Presentation, 28th National Cardiology Congress of TKD, 2012, Antalya
• M.O. Gursoy, M.A. Astarcıoğlu, S. Gunduz, A.C. Aykan, Z. Bayram, B. Cakal, S. Karakoyun, M. Kalcik, M. Yesin, R.D. Acar, G. Kahveci, M. Yildiz, M. Ozkan. Classification of Mechanical Mitral Paravalvular Leaks Using Real-Time 3D Transesophageal Echocardiography and Assessment of Clinical Correlation. Oral Presentation, 28th National Cardiology Congress of TKD, 2012, Antalya
• M.O. Gursoy, M.A. Astarcıoğlu, T. Gökdeniz, Z. Bayram, B. Çakal, S. Karakoyun, M. Kalçık, M. Yesin, A.Ç. Aykan, R.D. Acar, G. Kahveci, M. Yıldız, M. Özkan. Examination of Non-Obstructive Annular Thrombus in Mechanical Mitral Prosthetic Valves by Real-Time 3D Transesophageal Echocardiography and Its Relationship with Clinical Events. Oral Presentation, 28th National Cardiology Congress of TKD, 2012, Antalya
• Mustafa Ozan Gürsoy, Macit Kalçık, Süleyman Karakoyun, Mahmut Yesin, Sabahattin Gündüz, Mehmet Ali Astarcıoğlu, Mehmet Özkan. Neutrophil/Lymphocyte Ratio Is Associated with Severity of Obstruction in Patients with Prosthetic Valve Thrombosis. Oral Presentation, 29th National Cardiology Congress of TKD, 2013, Antalya
• Süleyman Karakoyun, Mustafa Ozan Gürsoy, Lütfi Öcal, Macit Kalçık, Mahmut Yesin, Emrah Erdoğan, Şeyhmus Külahçıoğlu, Ruken Bengi Bakal, Cengiz Köksal, Mustafa Yıldız, Mehmet Özkan. Relationship Between Neutrophil/Lymphocyte Ratio and In-Hospital Clinical Events in Patients with Aortic Dissection. Poster Presentation, 29th National Cardiology Congress of TKD, 2013, Antalya
• Macit Kalçık, Mahmut Yesin, Mustafa Ozan Gürsoy, Sinan Cersit, Cüneyt Toprak, Alev Kılıçgedik, Mehmet Özkan. Congenital Multiple Coronary Artery-Pulmonary Artery Fistula. Oral Presentation, 21st National Applied Interventional Cardiology Meeting, 2014, Antalya
• Mahmut Yesin, Macit Kalçık, Elnur Alizade, Selçuk Pala, Mustafa Ozan Gürsoy, Sinan Cersit, Mehmet Özkan. Successful Primary Percutaneous Intervention in a Patient with Cardiogenic Shock and Trifurcation Lesion. Oral Presentation, 21st National Applied Interventional Cardiology Meeting, 2014, Awarded 7th Place Sanofi Best Interventional Case, Antalya
• Macit Kalçık, Mahmut Yesin, Mustafa Ozan Gürsoy, Sinan Cersit, Cüneyt Toprak, Alev Kılıçgedik, Cengiz Köksal, Mehmet Özkan. Rare Mass on Adult Tricuspid Valve: Blood Cyst. Turkish Society of Cardiology Cardio Spring Working Groups Meeting, May 8-11, 2014, İzmir
• Mahmut Yesin, Macit Kalçık, Mustafa Ozan Gürsoy, Sinan Cersit, Cüneyt Toprak, Alev Kılıçgedik, Mehmet Altuğ Tuncer, Mehmet Özkan. Multimodality Imaging of Paraaortic Abscess Due to Prosthetic Valve Endocarditis and Surgical Treatment with Homograft. Oral Presentation, Turkish Society of Cardiology Cardio Spring Working Groups Meeting, May 8-11, 2014, İzmir
• Macit Kalçık, Mustafa Ozan Gürsoy, Sinan Cersit, Sabahattin Gündüz, Mehmet Ali Astarcıoğlu, Süleyman Karakoyun, Mahmut Yesin, Lütfi Öcal, Alev Kılıçgedik, Mehmet Özkan. Management of Acute Ischemic Stroke Occurring During Thrombolytic Treatment of a Pregnant Patient with Prosthetic Mitral Valve Thrombosis. Oral Presentation, 30th National Cardiology Congress of TKD, 2014, Antalya
• Mahmut Yesin, Macit Kalçık, Mustafa Ozan Gürsoy, Sinan Cersit, Mehmet Ali Astarcıoğlu, Süleyman Karakoyun, Lütfi Öcal, Cüneyt Toprak, Mehmet Altuğ Tuncer, Mehmet Özkan. Klippel-Feil Syndrome with Associated Congenital Multiple Cardiovascular Anomalies. Oral Presentation, 30th National Cardiology Congress of TKD, 2014, Antalya
• Mahmut Yesin, Macit Kalçık, Sinan Cersit, Mustafa Ozan Gürsoy, Alev Kılıçgedik, Abdürezak Börekçi, Süleyman Karakoyun, Sabahattin Gündüz, Mehmet Ali Astarcıoğlu, Mehmet Özkan. Follow-Up of Thrombosed Prosthetic Valve Patients with Fractionated Heparin Infusion Under Serial Transesophageal Echocardiography Guidance. Oral Presentation, 30th National Cardiology Congress of TKD, 2014, Antalya
• Lütfi Öcal, Macit Kalçık, Mustafa Ozan Gürsoy, Mahmut Yesin, Massimo Cugno, Samantha Griffini, Süleyman Karakoyun, Sabahattin Gündüz, Mehmet Ali Astarcıoğlu, Mehmet Özkan. Importance of Anti-tPA Antibodies in Recombinant Tissue Plasminogen Activator Treatment of Prosthetic Valve Thrombosis: ATA Study. Oral Presentation, 30th National Cardiology Congress of TKD, 2014, Antalya
• Macit Kalçık, Mustafa Ozan Gürsoy, Mehmet Ali Astarcıoğlu, Mahmut Yesin, Sabahattin Gündüz, Süleyman Karakoyun, Alev Kılıçgedik, Cüneyt Toprak, Sinan Cersit, Abdürrezak Börekçi, Mehmet Özkan. Early Postoperative Basal Inner Diameter Measurements of Mechanical Mitral Prosthetic Valves Using 3D Transesophageal Echocardiography: A Reference Study. Oral Presentation, 30th National Cardiology Congress of TKD, 2014, Antalya
• Macit Kalçık, Beytullah Çakal, Mehmet Ali Astarcıoğlu, Mustafa Ozan Gürsoy, Sabahattin Gündüz, Süleyman Karakoyun, Sinan Cersit, Alev Kılıçgedik, Mahmut Yesin, Mehmet Özkan. Comparison of Pre- and Post-Treatment Right and Left Heart Deformation Parameters in Patients Receiving Thrombolytic Therapy for Prosthetic Valve Thrombosis. Oral Presentation, 30th National Cardiology Congress of TKD, 2014, Antalya
• Macit Kalçık, Mahmut Yesin, Mustafa Ozan Gürsoy, Mehmet Ali Astarcıoğlu, Süleyman Karakoyun, Lütfi Öcal, Sinan Cersit, Cüneyt Toprak, Alev Kılıçgedik, Mehmet Özkan. Evaluation of Endothelial Function in Patients with Early Postoperative Paravalvular Leaks. Oral Presentation, 30th National Cardiology Congress of TKD, 2014, Antalya
• Macit Kalçık, Beytullah Çakal, Mustafa Ozan Gürsoy, Mehmet Ali Astarcıoğlu, Sabahattin Gündüz, Süleyman Karakoyun, Sinan Cersit, Mahmut Yesin, Lütfi Öcal, Mehmet Özkan. Investigation of Changes in Endothelial Function Before and After Thrombolytic Therapy in Patients with Prosthetic Valve Thrombosis. Poster Presentation, 30th National Cardiology Congress of TKD, 2014, Antalya
• Mahmut Yesin, Macit Kalçık, Sabahattin Gündüz, Emrah Bayam, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Sinan Cersit, Mehmet Özkan. Mechanical Prosthetic Valve Thrombosis Successfully Treated with Fondaparinux. 2nd Cardio-Spring Meeting of the Turkish Society of Cardiology, 2015, Cyprus
• Mahmut Yesin, Macit Kalçık, Sabahattin Gündüz, Emrah Bayam, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Sinan Cersit, Mehmet Özkan. Rare Cause of Stuck Mitral Bioprosthetic Valve: Thrombus. 2nd Cardio-Spring Meeting of the Turkish Society of Cardiology, 2015, Cyprus
• Macit Kalçık, Mahmut Yesin, Sabahattin Gündüz, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Mehmet Ali Astarcıoğlu, Sinan Cersit, Emrah Bayam, Mehmet Özkan. Obstructive Prosthetic Mitral Valve Thrombosis Successfully Thrombolysed with Low-Dose Ultra-Slow Infusion of Tissue Plasminogen Activator Under Serial Transesophageal Echocardiography Guidance. Poster Presentation, 31st National Cardiology Congress of TKD, 2015, Antalya
• Macit Kalçık, Mahmut Yesin, Sabahattin Gündüz, Mustafa Ozan Gürsoy, Mehmet Ali Astarcıoğlu, Süleyman Karakoyun, Emrah Bayam, Sinan Cersit, Mehmet Özkan. The Value of Mitral Transprosthetic Gradients Obtained by Transthoracic Echocardiography in Estimation of Severe Paravalvular Leaks. Poster Presentation, 31st National Cardiology Congress of TKD, 2015, Antalya
• Macit Kalçık, Mahmut Yesin, Emrah Bayam, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Sabahattin Gündüz, Mehmet Ali Astarcıoğlu, Sinan Cersit, Mehmet Özkan. Comparison of International Normalized Ratio Values Measured by CoaguChek XS Coagulation Analyzer and Conventional Laboratory Methods. Oral Presentation, 31st National Cardiology Congress of TKD, 2015, Antalya
• Macit Kalçık, Mahmut Yesin, Sabahattin Gündüz, Mustafa Ozan Gürsoy, Mehmet Ali Astarcıoğlu, Süleyman Karakoyun, Emrah Bayam, Sinan Cersit, Mehmet Özkan. Left Ventricular Side Obstructive Pannus Formation After Rheumatic Mitral Valve Replacement with Preservation of the Subvalvular Apparatus. Oral Presentation, 31st National Cardiology Congress of TKD, 2015, Antalya
• Mahmut Yesin, Macit Kalçık, Mustafa Ozan Gürsoy, Sabahattin Gündüz, Mehmet Ali Astarcıoğlu, Süleyman Karakoyun, Emrah Bayam, Sinan Cersit, Mehmet Özkan. Limited Ability of Real-Time 3D Transesophageal Echocardiography in Evaluation of Aortic Paravalvular Leaks. Poster Presentation, 31st National Cardiology Congress of TKD, 2015, Antalya
• Mustafa Ozan Gürsoy, Macit Kalçık, Mahmut Yesin, Süleyman Karakoyun, Sabahattin Gündüz, Mehmet Ali Astarcıoğlu, Mehmet Özkan. Clinical and Echocardiographic Assessment of Aortic Paravalvular Leaks. Oral Presentation, 31st National Cardiology Congress of TKD, 2015, Antalya
• Mahmut Yesin, Macit Kalçık, Sabahattin Gündüz, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Mehmet Ali Astarcıoğlu, Sinan Cersit, Emrah Bayam, Cüneyt Toprak, Mehmet Özkan. Floating Left Atrial Appendage in Massive Pericardial Effusion: An Unusual Sign of Severe Paravalvular Leakage on a Prosthetic Mitral Valve. Poster Presentation, 31st National Cardiology Congress of TKD, 2015, Antalya
• Mahmut Yesin, Sabahattin Gündüz, Macit Kalçık, Mustafa Ozan Gürsoy, Sinan Cersit, Mehmet Ali Astarcıoğlu, Süleyman Karakoyun, Mehmet Özkan. Management of Late Bioprosthetic Mitral Valve Thrombosis. Oral Presentation, 31st National Cardiology Congress of TKD, 2015, Antalya
• Mahmut Yesin, Macit Kalçık, Sabahattin Gündüz, Mehmet Ali Astarcıoğlu, Emrah Bayam, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Mehmet Özkan. Transesophageal Echocardiographic Evaluation of Bioprosthetic Valve Thrombosis Due to Oral Contraceptive Use Successfully Treated with Thrombolytic Therapy. Poster Presentation, 31st National Cardiology Congress of TKD, 2015, Antalya
• Mahmut Yesin, Macit Kalçık, Elnur Alizade, Onur Taşar, Sabahattin Gündüz, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Mehmet Ali Astarcıoğlu, Sinan Cersit, Emrah Bayam, Mehmet Özkan. Multimodality Imaging of Left Ventricular Aneurysm in a Patient with Normal Coronary Arteries: Unusual Localization. Oral Presentation, 31st National Cardiology Congress of TKD, 2015, Antalya
• Cüneyt Toprak, Mahmut Yesin, Emrah Acar, Macit Kalçık, Anıl Avcı, Hayati Eren, Ahmet Erdal Taşçı, Selçuk Pala. Bronchial Obstruction as a Complication of Endovascular Repair of Aortic Pseudoaneurysm in Behçet's Disease. Poster Presentation, 31st National Cardiology Congress of TKD, 2015, Antalya
• Sinan Cersit, Sabahattin Gündüz, Mehmet Mustafa Tabakçı, Macit Kalçık, Mahmut Yesin, Emrah Bayam, Mehmet Özkan. Relationship Between Pulmonary Venous Flow and Prosthetic Mitral Valve Thrombosis. Poster Presentation, 31st National Cardiology Congress of TKD, 2015, Antalya
• Mehmet Ali Astarcıoğlu, Celal Kilit, Taner Şen, Macit Kalçık, Mahmut Yesin, Süleyman Karakoyun, Basri Amasyalı. 1-Year Results of Primary Stenting for TASC II D Lesions of the Superficial Femoral and Popliteal Arteries. Oral Presentation, 31st National Cardiology Congress of TKD, 2015, Antalya
• Mahmut Yesin, Macit Kalçık, Sabahattin Gündüz, Süleyman Karakoyun, Mustafa Ozan Gürsoy, Ali Fedakar, Metin Çağdaş, Mehmet Özkan. Giant Left Atrial Thrombi and Mechanical Valve Thrombosis in a 60-Year-Old Woman. Poster Presentation, 3rd Cardio-Spring Cardiology Update Meeting, 2016, Cyprus
• Mahmut Yesin, Macit Kalçık, Zaur İbrahimov, Metin Çağdaş, Süleyman Karakoyun, İnanç Artaç. The Mortal Cause of Sudden ECG Changes in Patients with Chronic Aortic Insufficiency: Aortic Dissection. Poster Presentation, 3rd Cardio-Spring Cardiology Update Meeting, 2016, Cyprus
• Emrah Bayam, Özkan Candan, Macit Kalçık, Mahmut Yesin, Sabahattin Gündüz, Sinan Cersit, Mehmet Özkan. Treatment of Mitral Bioprosthetic Valve Thrombosis with Unfractioned Heparin. Poster Presentation, 32nd International Participation Turkish Cardiology Congress, 2016, Antalya. OPS5-15
• Emrah Bayam, Macit Kalçık, Mahmut Yesin, Mehmet Özkan. Atrial Fibrillation Associated with High-Dose Corticosteroid. Poster Presentation, 32nd International Participation Turkish Cardiology Congress, 2016, Antalya. OPS2-05
• Özkan Candan, Emrah Bayam, Macit Kalçık, Mahmut Yesin, Sabahattin Gündüz, Sinan Cersit, Mehmet Özkan. Ultra-Slow Thrombolytic Treatment for Thrombosis of Bioprosthetic Mitral Valve. Poster Presentation, 32nd International Participation Turkish Cardiology Congress, 2016, Antalya. OPS5-26
• Macit Kalçık, Ahmet Güner, Emrah Bayam, Mahmut Yesin, Sabahattin Gündüz, Mustafa Ozan Gürsoy, Süleyman Karakoyun, Sinan Cersit, Özkan Candan, Alev Kılıçgedik, Şakir Arslan, Recep Demirbağ, Mehmet Özkan. Comparison of Different Anticoagulation Regimens in Pregnant Patients with Mechanical Prosthetic Heart Valves. Oral Presentation, 33rd International Participation Turkish Cardiology Congress, 2017, Antalya
• Süleyman Karakoyun, Mustafa Ozan Gürsoy, Macit Kalçık, Mahmut Yesin, Emrah Bayam, Ahmet Güner, Semih Kalkan, Sabahattin Gündüz, Zübeyde Bayram, Sinan Cersit, Alev Kılıçgedik, Özkan Candan, Mehmet Özkan. Role of Protein Z and Protein Z-Dependent Protease Inhibitor Polymorphisms in Development of Prosthetic Heart Valve Thrombosis. Oral Presentation, 33rd International Participation Turkish Cardiology Congress, 2017, Antalya
• Emrah Bayam, Macit Kalçık, Mahmut Yesin, Sabahattin Gündüz, Sinan Çerşit, Özkan Candan, Süleyman Çağan Efe, Seyfettin Gürbüz, Ahmet Güner, Semih Kalkan, Mustafa Ozan Gürsoy, Mehmet Özkan. Relationship Between Heparanase Levels and Prosthetic Valve Thrombosis: Clinical Implications. Oral Presentation, 33rd International Participation Turkish Cardiology Congress, 2017, Antalya
• Assoc. Prof. Macit Kalçık, Mahmut Yesin. Evaluation of Carotid Artery Intima-Media Thickness in Patients Diagnosed with Cardiac Syndrome X. 7th International Black Sea Family Medicine Congress, October 2018, Trabzon, Turkey
• Timor Omar, Mahmut Yesin. Heart Rate Variability Analysis in Patients with Subclinical Hypothyroidism. 9th International Participation Family Medicine Congress, November 2018, Antalya
• Mahmut Yesin, Cengiz Burak. Prolonged V1 Terminal Force in Hypertensive Patients Is Associated with Impaired Left Atrial Strain. 17th National Hypertension and Cardiovascular Diseases Congress, April 2019, Bodrum, Turkey
• Macit Kalçık, Lütfü Bekar, Tufan Çınar, Mahmut Yesin. Investigation of the Relationship Between Ventricular Activation Time and Left Ventricular Mass in Patients with Essential Hypertension. 18th International Eastern Mediterranean Family Medicine Congress, April 25–28, 2019, Adana Divan Hotel, Turkey