2022 - Present, Istanbul/Türkiye
MEMORIAL BAHCELIEVLER HOSPITAL
Cardiovascular Surgery Specialist
2006 - 2022, Istanbul/Türkiye
GATA HAYDARPASA TRAINING AND RESEARCH HOSPITAL
Cardiovascular Surgery Specialist
1999 - 2001, Bilecik/Türkiye
BİLECİK SOLDIER TRAINING BRIGADE
Infirmary Chief Physician
Dr. Cenk İndelen is a cardiovascular surgery specialist. He has practiced since 2002. He has worked at Istanbul Florence Nightingale Hospital since 2025. He completed his residency in thoracic, cardiovascular, and vascular surgery at Kocaeli University (1996–2002). He became an associate professor in 2023.
His focus is patient blood management and cardiothoracic optimization. He has published on transfusion cost-effectiveness and PBM implementation (Cardiovasc J Afr, 2023). He has also reported on the economics of aortic valve replacement (Heart Surg Forum, 2023) and techniques in coronary, mitral, and aortic surgery. His work also appears in JAMA (2023), Crit Care Med (2025), and Transfusion (2025).
Accreditations and memberships: Orsi da Vinci robotic console training (Belgium, 2014). Koç University Animal Use Certificate (2017). Society for the Advancement of Patient Blood Management course (2020). Publons Peer Reviewer course (2020). Member of the Turkish Society of Cardiovascular Surgery, ISMICS, the ERAS Society, the Blood Transfusion Society, the Society for the Advancement of PBM, and ASCVTS.
Dr. Ibrahim Sari is a Professor of Cardiology at Memorial Bahçelievler Hospital in Istanbul. He has worked as a cardiology specialist at top institutions such as Marmara University and Gaziantep University. Dr. Sari completed his cardiology fellowship at the University of Virginia. He also holds a European Heart Failure Diploma from the University of Zurich.
He has published 162 international and 51 national scientific papers. Dr. Sari has given 130 presentations at congresses and has contributed to more than 10 multicenter international studies. His work has received 3,870 international citations. He has also written or translated 7 book chapters. Dr. Sari is a member of the Turkish and European Societies of Cardiology. He has played key roles in over 100 scientific congresses and training events.
Dr. Yigit Changa is an Associate Professor of Cardiology. He received advanced training at Dr. Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital. He became a cardiology specialist in 2016 and completed his residency in 2010. Dr. Changa is a member of the Turkish Society of Cardiology and the Turkish Medical Association.
He has worked at leading hospitals, including Ataşehir and Kadıköy Florence Nightingale Hospitals. Dr. Changa speaks English fluently. He has a solid academic and clinical background in cardiology.
Experienced cardiac surgeonspecializing in varicoseveins, coronary bypasssurgery, heart valve diseases, aortic aneurysms, heart aneurysms, and TAVI procedures.
Dedicated to providing high-quality care and innovative surgical solutions to patients.
2022 : Professorship, Istanbul Arel University
2015 : Associate Professorship, Şişli Memorial Hospital
1997-2002: Residency in Cardiovascular Surgery,Florence Nightingale Hospital/ Kadir Has University 1989-1995 : Medical Degree, Hacettepe University Medical Faculty (English Program)
1982-1989 : TarsusAmerican College
Varicose Veins
Coronary Bypass Surgery Heart Valve Diseases Aortic Aneurysms
Heart Aneurysms
TAVI (Transcatheter Aortic Valve Implantation) Work Experience:
Current: İstanbul FlorenceNightingale Hastanesi, Cardiovascular Surgery Department Previous: Şişli Memorial Hospital, Cardiovascular Surgery Department
Dr. Ahmet Yildiz is a Professor of Cardiology at Memorial Bahçelievler Hospital in Istanbul. He has served as Deputy Director and Chief Physician at the Istanbul University Cerrahpaşa, Institute of Cardiology. From 2009 to 2023, he contributed to both clinical care and academic programs at the institute.
Dr. Yildiz has published important research, including a study on coronary artery anomalies in over 12,000 adults and work on atorvastatin therapy for coronary artery disease. He is a member of the Turkish Society of Cardiology and the European Society of Cardiology. These memberships show his dedication to advancing the field of cardiology.
Cardiology
Fields of Study and Interests
• Diagnosis and Treatment of Ischemic Heart Diseases
• Diagnosis and Treatment of Peripheral Artery Diseases
• Hypertension
• Hyperlipidemia
Education
• Istanbul Bilim University Faculty of Medicine Cardiology Specialization Training 2011,
Istanbul/Turkey
• Istanbul University Cerrahpasa Faculty of Medicine Medical Doctor Education 2006,
Istanbul/Turkey
Career
• Yeni Yüzyıl University Faculty of Medicine 2013-2019, Istanbul/Turkey
• Sanliurfa Mehmet Akif Inan E.A.H 2011-2013, Şanlıurfa/Turkey
• Istanbul Bilim University Faculty of Medicine 2006-2011, Istanbul/Turkey
Publications: Doğan A, Özdemir B, Bal H, Özdemir E, Kurtoğlu N.Ticagrelor-associated thrombotic
thrombocytopenic purpura.Anatol J Cardiol. 2017 Jan;17(1):73-74
Cardiology
Fields of Study and Interests
• Interventional Cardiology
• Peripheral Artery Diseases
• Heart Valve Diseases
• Hypertension
• hyperlipidemia
• Heart failure
• Leg Vascular Diseases
Education
• Istanbul University Institute of Cardiology /Cardiology Specialization Training 2010,
Istanbul/Turkey
• Uludag University Faculty of Medicine /Medical Doctor Education 2005, Bursa/Turkey
Career
• Istanbul University-Cerrahpasa Institute of Cardiology 2012-2021, Istanbul/Turkey
• Adıyaman 82nd Year State Hospital 2010-2012, Adıyaman/Turkey
Publications: Abacı Okay, Özkan Alev, Kocas Cüneyt, Çetinkal Gökhan, Karaca Osman Sükrü,
Baydar Onur, Kaya Aysem, Gürmen Azız Tevfik (2015). Impact of Rosuvastatin on Contrast-
Induced Acute Kidney Injury in Patients at High Risk for Nephropathy Undergoing Elective
Angiography. The American Journal of Cardiology, 115(7), 867-871., Doi:
10.1016/j.amjcard.2015.01.007
Fields of Study and Interests
• Interventional Cardiology
• Chronic Total Occlusion (Completely occluded heart vessel)
• Complex coronary interventions
• Heart Valve Diseases
• TAVI
• Hypertension
• hyperlipidemia
• Heart failure
Education
• Istanbul University Cerrahpasa Cardiology Institute/Cardiology Specialization Training 2010,
Istanbul /Turkey
• Selcuk University Meram Faculty of Medicine/Medical Doctor Education 2005, Konya/Turkey
Career
• Istanbul University-Cerrahpasa Institute of Cardiology 2012-2021, Istanbul/Turkey
• Siverek State Hospital (Compulsory Service) 2011-2012, Şanlıurfa/Turkey
• Istanbul University Institute of Cardiology 2005-2010, Istanbul/Turkey
Publications: Uzunhasan I, Yildiz A, Arslan S, Abaci O, Kocas C, Kocas BB, Cetinkal G, Dalgic Y,
Karaca OS, Dogan SM. Contrast-Induced Acute Kidney Injury Is Associated With Long-Term
Adverse Events in Patients With Acute Coronary syndrome. angiology 2017
Professor of Pediatric Cardiology. Pediatric Cardiology Specialist at Memorial Ataşehir (2024–present) and Memorial Göztepe (2025–present). Co‑founding faculty member and Director of the Pediatric Cardiology Angiography Units at Başakşehir Çam & Sakura City Hospital (2020–2024).
Authored over 100 international and over 50 national papers. Citations exceed 1,200, with an H‑index of 16. Gave over 100 international and over 700 national presentations. Contributed to 3 translations and 7 chapters. Awards include 6 national and 1 international. Ranked second in Türkiye on the 2017 National Pediatric Cardiology Board exam. Vice Chair of the Interventional Cardiology Working Group (2019–2024). AEPC member. Training includes Arkansas Children’s PICU (2010), non‑fluoroscopic interventions at Fuwai (2018), and LVAD (2023). Since 2018, has performed over 250 pediatric interventional angiography procedures on missions.
He graduated from Ankara Başkent High School in 1992 and Gazi University Faculty of Medicine in 1999. She completed her specialty training at Gazi University Faculty of Medicine, Department of Psychiatry and became a psychiatry specialist in 2005.
She has received Psychoanalytic Psychotherapy Group Supervision training; Level I and II Family Therapies Training; Cognitive Psychotherapy Training; Family and Relationship Therapies Training and has articles published in local and foreign journals. Her field of interest is family and relationship therapies.
2021- Currently MEMORIAL ATAŞEHİR HOSPITAL
Cardiovascular Surgery Specialist / Istanbul
2014 - 2021 MEDICAL PARK GÖZTEPE HOSPITAL
Head of Cardiovascular Surgery Department / Istanbul
2010 - 2014 ÇAMLICA GERMAN HOSPITAL
Medical Director, Head of Cardiovascular Surgery
Department / Istanbul
2006 - 2010 UNIVERSAL HOSPITAL
Medical Director, Head of Cardiovascular Surgery
Department / Istanbul
2019 - Present, Istanbul/Istanbul/Türkiye
MEMORIAL ATASEHIR HOSPITAL
Cardiology Specialist
2013 - Present, Istanbul/Istanbul/Türkiye
BAHÇEŞEHİR UNIVERSITY FACULTY OF MEDICINE
Head of the Department of Internal Medicine and Cardiology
2012 - 2018, Istanbul/Istanbul/Türkiye
GÖZTEPE MEDICAL PARK HOSPITAL
Cardiology Specialist
2007 - 2012, Istanbul/Istanbul/Türkiye
MALTEPE UNIVERSITY FACULTY OF MEDICINE
Head of Cardiology Department
2004 - 2007, Istanbul/Istanbul/Türkiye
TAKSIM GERMAN HOSPITAL
Cardiology Specialist
2002 - 2004, Istanbul/Istanbul/Türkiye
SİYAMİ ERSEK CARDIOVASCULAR SURGERY HOSPITAL
Cardiology Specialist
1998 - 2002, Istanbul/Istanbul/Türkiye
SİYAMİ ERSEK CARDIOVASCULAR SURGERY HOSPITAL
Chief Resident Doctor
1996 - 1996, Istanbul/Istanbul/Türkiye
KOSUYOLU CARDIOVASCULAR SURGERY AND RESEARCH HOSPITAL
Cardiology Specialist
1991 - 1996, Istanbul/Istanbul/Türkiye
SİYAMİ ERSEK CARDIOVASCULAR SURGERY HOSPITAL
Assistant Doctor
2010 - 2012
M. Akif Ersoy Thoracic and Cardiovascular Surgery Training and Research Hospital
2002 - 2010
Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital
1993 - 1998
İ.Ü. Istanbul Faculty of Medicine
Cardiovascular surgery
Education
Experience