Cagatay Oktenli
- 4.6 Excellent • 508 reviews
- 35 years of experience
- Turkey, Istanbul, Anadolu Medical Center
Senior Cardiologist | Pioneer in Non-Invasive Heart Disease Treatment
Over 40 Years of Experience in Cardiology
Dr. Ratanapunt Incharoensakdi is one of Thailand’s foremost cardiologists, renowned for his leadership in advancing non-invasive treatments for heart disease. With more than four decades of experience, Dr. Ratanapunt has served at two of Thailand’s leading hospitals — Bangkok Hospital and Bumrungrad International Hospital — where he has helped shape modern cardiac care in the region. His dedication to innovation, research, and patient-centered care has earned him national and international recognition.
Doctor of Medicine (M.D.)
Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Thailand
Board Certifications:
Thai Board of Internal Medicine
Thai Board of Cardiology
Cardiology Fellowship – Kyoto University, Japan (1985)
Advanced Cardiology Training – University of Hamburg, Germany (1987)
Founder and Senior Cardiologist – Bangkok Heart Center, Bangkok Hospital (Since 1988)
Senior Cardiologist – Bangkok Hospital (Over 35 Years)
Senior Cardiologist – Bumrungrad International Hospital
Dr. Ratanapunt established Bangkok Hospital’s Heart Center, Thailand's first specialized heart center in 1988 and has contributed extensively to the expansion of both invasive and non-invasive cardiac services in Thailand.
Non-Invasive Cardiology Treatments; including Stem Cell
Preventive Cardiology
Management of Coronary Artery Disease (Interventionist Cardiology)
Echocardiography and Stress Testing
Cardiac Rehabilitation and Holistic Revitalization Programs
Pioneer in introducing non-invasive heart disease treatments in Thailand
Founder of Bangkok Heart Center’s multidisciplinary cardiac programs
Thai (Native)
English (Fluent)
Наталия Тодурова‑Иванюк — врач‑кардиолог, кандидат медицинских наук. Специалист по функциональной диагностике. Основательница международного сервиса индивидуальных чекапов Todurova Health Service. Член Европейского общества кардиологов (ESC).
В 2017 году защитила диссертацию о предикторах улучшения систолической функции левого желудочка (ЛЖ) и качества жизни после реваскуляризации. Автор более 15 научных работ и двух публикаций в тезисах. Докладчик на XIX–XX Национальных конгрессах кардиологов Украины. Выступала на конференции во Львове в 2019 году. Автор патента № 116981. Стипендиат Кабинета Министров Украины в 2018–2020 годах.
Клинический опыт: «Центр сердца» (2008–2013, кардиохирургическое отделение по лечению коронарной недостаточности). «Институт сердца» МОЗ Украины (2013–2016, консультативно‑диагностическое отделение). Ассистент кафедры Национального университета здравоохранения Украины имени П. Л. Шупика с 2018 года. Куратор курса «Эхокардиография» (три цикла в год). Лектор (500 часов в год). Стажировки: Москва (2019), Вильнюс (2020), Словакия (2019). Спикер UAMED (2019–2021) и MMM‑2021.
Dr. Gabriel Crasmariu is an interventional cardiologist with advanced expertise in minimally invasive treatments for cardiovascular disease. He is a member of the Romanian Society of Cardiology and the European Society of Cardiology.
He performs coronary angiography and angioplasty with stent placement. His focus includes complex coronary artery disease, peripheral arterial disease, renal denervation, and TAVI. He also provides specialized heart failure assessments. He takes part in multidisciplinary decisions for patients who may need cardiac surgery.
Ahn Tae Hoon, MD, PhD, is a cardiology specialist and Director of the Cardiovascular Center at Naeun Hospital. He has expertise in coronary artery disease (angina, myocardial infarction), hypertension, valvular heart disease, heart failure, and cardiovascular interventional procedures.
He earned his PhD in Medicine from Korea University College of Medicine. He completed an Internal Medicine residency at Korea University Guro Hospital and a Cardiology fellowship at Korea University Hyehwa Hospital. He also completed clinical training at the Montreal Heart Institute.
He previously served as Professor and Director of the Cardiovascular Center at Gachon University Gil Medical Center. He was a Clinical Professor at Korea University Anam Hospital and at Chung-Ang University Gwangmyeong Hospital. His leadership roles include President of KSIC, KCCC, KVIS, and KSC. He also served as Treasurer of KSC and as Organizing Committee Chair of ENCORE SEOUL.
DDr. Alexander Hermann, MPH, MBA, EDIC, is a Vienna-based physician specializing in internal medicine and intensive care. He graduated from the Medical University of Vienna in 2012. He later earned a Dr. scient. med. and completed MPH and MBA degrees.
Since 2018, he has served as a consultant at the intensive care unit of the Medical University of Vienna. In 2021, he completed his specialization in intensive care medicine. His work covers internal medicine, cardiology, and critical care. He focuses on prevention and comprehensive patient care. He is affiliated with Wiener Privatklinik and runs a private practice.
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Education and Experience
2019 – Present
Istanbul Florence Nightingale Hospital
Cardiology Department
2019
Germany Lübeck Hospital Arrhythmia Clinic
Electrophysiology Training
2018
Trakya University Faculty of Medicine
Associate Professor, Department of Cardiology
2017
TC. Ministry of Health Türkiye Higher Specialization Training and Research Hospital, Ankara
Electrophysiology Training
2015
Trakya University Faculty of Medicine, Department of Cardiology
Assistant Professor
2013
Cleveland Clinic, United States
Observant Doctor
2013
TC. Ministry of Health Türkiye Higher Specialization Training and Research Hospital, Ankara
Specialization
2008
Selçuk University Meram Faculty of Medicine
Medical Education
Memberships
Turkish Cardiology Association, Member
European Society of Cardiology
European Arrhythmia Association (EHRA)
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.
Education and Career
2019 – today
İstanbul Florence Nightingale Hospital
Cardiovascular Surgery
2017 - 2018
Bayrampaşa Kolan Hospital
Professor of Cardiovascular Surgery
2015 - 2017
GOP Medical Park
Cardiovascular Surgery
2013
University of Hannover-Freiburg
Cardiovascular Surgery
2012 - 2014
Koşuyolu Heart Training and Research Hospital
Heart Transplantation
2012
Toronto General Hospital
Cardiovascular Surgery
1996 - 2005
Uludağ University Faculty of Medicine
Cardiovascular Surgery Specialist, Associate Professor, Professor
1996 - 2015
Uludağ University Faculty of Medicine
Specialist, Assistant Professor, Associate Professor, Professor
1995 - 1996
GATA Haydarpaşa Training Hospital (Military Service)
1988 - 1994
Uludağ University Faculty of Medicine
Cardiovascular Surgery Residency
Wissarut Sakulpaptong, M.D., is a board-certified cardiologist and a cardiology staff member at King Chulalongkorn Memorial Hospital. He specializes in advanced echocardiography. His work includes transthoracic and transesophageal studies, strain analysis, 3D and stress echocardiography, and imaging for congenital heart disease. He also holds an M.Sc. (Medicine) from Chulalongkorn University.
His leadership roles include Chief Fellow (2024) and Chief Resident (2022). His awards include Second Prize at the 2025 Echocardiography Annual Scientific Meeting (Heart Association of Thailand), 2021 Outstanding Second-Year Resident, and 2017 Outstanding Medical Graduate. He developed an NSTEMI care pathway, a Screening Echocardiogram Project, and a Home-Visit Warfarin Clinic. He presented research on sepsis-induced myocardial dysfunction. He also contributed to Thailand’s 2022 migraine guideline.
Dr. Mehmet Yigit is an internal medicine specialist. He focuses on diabetes, metabolic syndrome, thyroid diseases, and hypertension. He also treats gastrointestinal problems such as dyspepsia, gastritis, and irritable bowel syndrome. In addition, he manages spondylitis and connective tissue diseases.
Dr. Yigit graduated from Çukurova University Faculty of Medicine in 2007. He completed his internal medicine training at Adnan Menderes University in 2013. He has worked as Assistant Chief Physician at Liv Hospital Ulus. He has held Medical Director roles at Recordati Rare Diseases and Alexion Pharmaceuticals. He has also held leadership positions at Abbvie and Novo Nordisk Pharmaceuticals. Dr. Yigit has served as an internal medicine physician at Manisa State Hospital. He has contributed to research as an assistant at ADU.
Prof. Dr. Deniz Süha Küçükaksu is a cardiovascular surgeon with over 35 years of experience. He specializes in adult and pediatric cardiac surgery, heart transplantation, and mechanical circulatory support. He leads the Heart Transplantation and Artificial Heart Center at Başkent University Istanbul Hospital.
Dr. Küçükaksu completed his medical and surgical training in Turkey. He also received advanced fellowships in Germany, France, and the United States. His focus has been on LVAD systems and heart failure surgery.
He introduced mechanical circulatory support and artificial heart programs in Turkey. He has performed many types of surgeries, including coronary bypass (off-pump), valve replacements, aortic repair (EVAR/TEVAR), and reoperations. He has also established heart transplant centers at several institutions.
Dr. Küçükaksu has held senior academic and administrative roles. He has contributed to total artificial heart surgery and hybrid cardiovascular procedures. He has received national and international awards for his scientific and surgical work.
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