Dogukan Aktas Md
- 5 Excellent • 38 reviews
- 20 years of experience
- Turkey, Istanbul, Istanbul Florence Nightingale Hospital
Dr. Victor Alexander Krol - Chief of Gastroenterology, Internal Medicine and Obesity Treatment Center at Martinus Hospital
Dr. Victor Alexander Krol is a highly qualified specialist, heading the departments of gastroenterology and internal medicine. With many years of experience and deep knowledge in his field, Dr. Krol has established himself as an outstanding expert, providing patients with comprehensive treatment and an individual approach. He actively uses the latest methods of diagnosis and treatment of diseases of the gastrointestinal tract, metabolism, as well as diseases of the cardiovascular and respiratory systems.
Dr. Krol is also the director of the certified Obesity Treatment Center at Martinus Hospital, which provides surgical and endoscopic treatments for obesity. The center uses advanced technology to diagnose and treat obesity (adiposis), including methods such as bariatric surgery, endoscopic weight loss, and specialized programs for patients with different stages of obesity. The center is certified to high standards and has excellent results in the treatment of this serious disease.
The Gastroenterology Department, headed by Dr. Krol, diagnoses and treats diseases of the stomach, intestines, liver, pancreas, and gallbladder. The doctors of the department use a wide range of methods, including endoscopic procedures, ultrasound, and other modern diagnostic technologies.
The Department of Internal Medicine covers a wide range of diseases, including cardiology, diabetology, infectology, and therapy of respiratory and renal diseases. Dr. Krol and his team provide a comprehensive approach to treatment using the most advanced methods of medicine.
Thanks to his high professionalism and humane approach to each patient, Dr. Krol deservedly enjoys the respect of colleagues and patients.
Birth Date: 22-11-1973
Place of Birth: Hatay-Turkey
Medical Faculty: Marmara University Medical Faculty(1990-1997 )
Cardiology fellowship:Istanbul University Institution of Cardiology:(1998-2003)
Associate Proffesor of cardiology: 2002
Proffessor of Cardiology:2017
Previous Positions
Istanbul University Institution of Cardiology:Fellow of cardiology 1998-2003
Cardiologist : Kastamonu Şerife Bacı State Hospital 2004-2007
Cardiologist: Istanbul Bağcılar Training and Research Hospital 2007- 2012
Associate Proffesor of cardiology: Istanbul Bağcılar Training and Research Hospital 2012-2013
Head of Cardiology Department: University of Health Sciences ,Istanbul Bağcılar Training and Research Hospital 2013-2024
Current Position
Dırector of Cardiology departemant : Medipol University Acıbadem District Hospital 2024--
Memberships :
Turkish Society of Cardiology,(Vice president and president of Scientific comitee), European Society of Cardiology, European Atherosclerosis Society, American Heart Association, American Society of Hypertension, Former president of Turcic world Cardiology Association,
Academic Interests:
Interventional Cardiology, Structural Heart Disease, Heart failure,
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Experiences
Istanbul University, Cerrahpasa Faculty of Medicine 2007-2013
Ondokuz Mayis University, Faculty of Medicine 2014-2022
Istanbul University-Cerrahpasa, Cardiology Institute 2022
Schools / Trainings
Trakya University, Faculty of Medicine, L11an1 2001-2007
Istanbul University, Cerrahpasa Faculty of Medicine, Specialization 2007-2013
Aortic Dilation (Aneurysm)
Heart Valve Problems
Aortic Dissection
Coronary Artery Disease
Carotid Artery Occlusion (Carotid Stenosis)
Varicose Veins
Peripheral Vascular Disease
Aortic Insufficiency
Aortic Valve Diseases
Mitral Insufficiency
Mitral Valve Problem
Mitral Stenosis
Varicose Ulcer
Diabetic Foot
Deep Vein Thrombosis (DVT)
Raynaud's Disease
Rheumatic Heart Disease
Ischemic Heart Disease
Heart Pain
Leg Artery Occlusion
Capillary Rupture
Heart Failure
Abdominal Aortic Aneurysm
Aortic Arch Aneurysm
Ascending Aortic Aneurysm
Thoracoabdominal Aortic Aneurysm
Carotid
In 2007, I graduated from Trakya University, Faculty of Medicine and received the title of “Medical Doctor”. In the same year, as a result of the TUS exam I took, I started my specialization training at Istanbul University, Cerrahpaşa Faculty of Medicine, Department of Cardiovascular Surgery.
During my specialization training, in 2010, I worked as a guest doctor at “Lenox Hill Hospital, Aortic Wellness Center” in New York, USA, on aortic valve-preserving surgery, aortic root surgery, aortic arch surgery, thoracoabdominal aortic surgery and robotic heart surgery.
In 2013, I worked as a “fellow” at the “Landeskrankenhaus Salzburg, Paracelsus Universitätsklinik für Gefäßchirurgie und endovaskuläre Chirurgie” clinic in Salzburg, Austria, and conducted studies on endovascular and advanced vascular surgery techniques.
In 2013, I worked as a visiting physician at the “Vita-Salute University, Scientific Institute, Ospedale San Raffaele, dipartimento di chirurgia vascolare ed endovascolare” clinic in Milan, Italy, on endovascular techniques, advanced vascular techniques and surgical treatment of thoracoabdominal aortic aneurysms.
In 2013, I completed my assistant training and earned the title of “Cardiovascular Surgery Specialist”.
As of 2014, I started working as a “Specialist Doctor” at the Department of Cardiovascular Surgery, Faculty of Medicine, Ondokuz Mayıs University.
In 2016, I received the title of “Assistant Professor Doctor”. In the same year, I received the “Certificate of Proficiency” issued by the “Turkish Cardiovascular Surgery Qualification Board”.
In 2017, I worked as a visiting doctor for 3 months at the “Landeskrankenhaus Nürnberg, Paracelsus Universitätsklinik für Gefäßchirurgie und endovaskuläre Chirurgie” clinic in Nuremberg, Germany, on advanced endovascular (FEVAR, BEVAR, CHEVAR, EVAR, TEVAR) techniques in aortic diseases.
I received the title of “Associate Professor” in 2019. I am fluent in English.
I have been working at Istanbul University-Cerrahpaşa, Cardiology Institute, Department of Cardiovascular Surgery since 2022
Education and Expertise
BAŞKENT UNIVERSITY FACULTY OF MEDICINE
diseases
Heart failure
Valve Diseases
Heart Holes
Cardiovascular Occlusion
Aortic Vein Aneurysm
Cardio Oncology
Resistant Hypertension
Rhythm Disorders
Treatment Methods
Pacemaker Applications
Mitraclip
triclip
TAVI Application
Closing Heart Holes
Balloon Stent
Stent Application to Aortic Aneurysms
Heart checks for oncology patients
In Resistant Hypertension patients
Ablation application Renal Denervation
Cryotherapy Application
Experience
2005 – 2010 Başkent University Faculty of Medicine – Specialization
2010 – Cleveland Clinic Interventional Cardiology Training
Professional Memberships
Turkish Society of Cardiology
Turkish Medical Association
European Society of Cardiology (ESC)
European Association of Cardiovascular Imaging (EAVI)
Education and Expertise
EGE UNIVERSITY FACULTY OF MEDICINE
Treatment Methods
Aortic Surgery
Heart Valve Surgery
Coronary Surgery
Venous Surgery
Experience
Dokuz Eylul University Faculty of Medicine
Professional Memberships
Turkish Society of Cardiovascular Surgery
National Society for Vascular Surgery
Articles
Relationship Between Extracorporeal Perfusion Pattern and Ischemic Brain Lesions
Inhibitory effect of adenosine on intimal hyperplasia and proliferation of smooth muscle cells in a carotid arterial anastomosis animal model.
A mandatory modification in extracorporeal biventricular assist device implantation: intercostal tunnel application
Second best oral presentation award: Didem Melis Öztaş, Mert Meriç, Metin Onur Beyaz, Mehmet Akif Onalan, Shiraslan Bakhshaliyev, Kıvılcım Sönmez, Kerem Oter, Sedat Ziyade, Beyhan Ömer, Ufuk Alpagut, Murat Uğurlucan. Investigation of the Effect of Erythropoietin on Stem Cell Levels in Cardiovascular Tissue in Diabetic Rats. 19th National Vascular and Endovascular Surgery Congress, Kyrenia, Cyprus, October 26-29, 2019.
Medical Education
School of Medicine, Adnan Menderes University
Medical Residency
Department of Cardiology, School of Medicine, Mustafa Kemal University
Areas of Interest
Invasive Cardiology.
Balloon Angioplasty & Stent Implantation for Coronary Arteries & Carotid Artery & Peripheral Arteries.
Permanent Cardiac Pacemaker Implantation (CPM, ICD, CRT).
Heart Attack (Acute Myocardial Infarction) & Heart Failure & Heart Valve Diseases & Heart Rhythm Disorders (Cardiac Arrhythmias).
Hypertension (HT) & Hyperlipidemia (HLD)
Membership
Turkish Medical Association (TTB).
Turkish Society of Cardiology (TKD).
European Society of Cardiology (ESC)
Pediatric Cardiology
Pendik Medipol University Hospital
2021 Private Nisa Hospital
2020 – 2021 Bezmialem Foundation University Faculty of Medicine
2015 – 2021 Bezmialem Foundation University Faculty of Medicine
2010- 2015 Izmir Dr. Behçet Uz Pediatric Training and Research Hospital
2008 – 2009 Gata Pediatric Cardiology
1999 – 2003 Merzifon Aviation Medicine Center
2006 Gülhane Military Medical Academy, Pediatric Cardiology
1998 Gülhane Military Medical Academy, Child Health and Diseases
1991 Gülhane Military Medical Academy, Faculty of Medicine
He is an expert in cardiac arrhythmia, pacemaker implantation, internal defibrillators and catheter ablation; and he conducts diagnostic electrophysiological studies.
He also carries out extensive teaching work as a Senior Lecturer of the Medicine Department of the Malaga University, where he teaches the subject Diseases of the Circulatory and Respiratory Systems to fourth-year medical students.
He is the author of over 100 scientific publications in influential journals. At the same time, he has contributed to the preparation of clinical practice guides and is the author of 23 books and chapters of scientific titles in the speciality.
Professional experience
University Degree in Medicine and Surgery (1978) obtained at the Zaragoza University.
Degree as Doctor in Medicine by the Zaragoza University with final thesis “Cardiac Automatism and Conduction in a Model of Experimental Heterotopic Cardiac Transplantation. Effects of Verapamil”, which obtained a cum laude award.
Training as a Resident Doctor in Cardiology at Clínica Puerta de Hierro in Madrid (1979-1984).
Cardiology Medical Consultant and the Head of the Arrhythmia Unit at Clínica Puerta de Hierro (1985-1992).
Other positions:
Coordinator of the Implantable Defibrillator working team of the Spanish Cardiology Society (2009 – 2016).
Member of the European Society of Cardiology.
Member of the European Heart Rhythm Association.
Member of the Spanish Cardiology Society.
Member of the Andalusian Cardiology Society.
Member of the Editorial Committee of the Spanish Cardiology Journal.
Member of the Editorial Committee of Cardiocore.
Member of the Editorial Committee of Cardiac Stimulation Notebooks.
The Cardiology Unit of Quirónsalud Marbella Hospital is made up of a medical team with large experience in the diagnosis and treatment of heart diseases, as well as employing the most advanced technologies, both in the clinical area and in the area of haemodynamics and arrhythmia.
Diseases, treatments and techniques:
- Adult and children cardiology consultation with the performance of supplementary tests, all within one appointment.
- Specific consultations for arrhythmia
- Paedriatic cardiology
- Colour Doppler echocardiography and stress echocardiography
- Stress test
- 24-hour and long-term Holter EKG
- CT coronary angiogram
- Cardiac magnetic resonance imaging (MRI)
- Tilt table testing
- Cardiac rehabilitation
Cardiac haemodynamics
- Diagnostic cardiac catheterisation and percutaneous treatment of ischaemic heart disease with angioplasty and stent implant
- Myocardial infarction percutaneous treatment programme
- Transcatheter aortic valve implantation (TAVI)
- Percutaneous repair of the mitral valve (Mitral clip)
- Percutaneous closure of interatrial communication
- Percutaneous closure of left atrial appendage
Arrhythmia Unit
- Diagnostic electrophysiological study
- Catheter ablation
- Cryoablation of atrial fibrillation
- Ablation using a complex arrhythmic substrate navigator
- Pacemaker implantation
- Automatic endovenous and subcutaneous implantable
defibrillator
Cardiac surgery
- Surgery with and without extracorporeal circulation
- Minimally-invasive surgery with an early extubation
Education:
Bachelor's Degree
PhD/Medical Specialty
Experience:
General Practitioner
Research Assistant Doctor
Specialist Doctor
Doctor Academic Staff
Prof. Dr. Mehmet Vefik Yazıcıoğlu is a leading interventional cardiologist with over 30 years of experience. He specializes in high-risk coronary interventions, chronic total occlusions (CTO), TAVI, MitraClip, and structural heart defect closures.
He has performed thousands of advanced procedures. These include radial and peripheral interventions, EVAR/TEVAR, pacemaker and CRT implantations, LAA closure, and carotid or renal interventions. Dr. Yazıcıoğlu is a pioneer in advanced imaging such as IVUS, OCT, TEE, and FFR. He uses these tools to ensure precision in complex cases.
As an influential academic, he has delivered many oral presentations and published research at national and international congresses. His work has advanced the fields of coronary physiology and hemodynamics. He is a member of the European Society of Cardiology and the Turkish Cardiology Association. Dr. Yazıcıoğlu also mentors young cardiologists at major hospitals.
Dr. Meki Bilici is a pediatric cardiologist with over 20 years of experience. He specializes in interventional cardiology and treats complex congenital heart diseases in children. He is known for his skills in minimally invasive transcatheter procedures. Dr. Bilici is also experienced in fetal and pediatric echocardiography and advanced angiographic diagnostics. He performs interventions in both neonates and infants.
Dr. Bilici has published more than 50 peer-reviewed articles in international journals. He has also contributed chapters to medical books at both national and international levels. His work supports the education of pediatric cardiology. He has taken part in multicenter clinical studies, including research on the Occlutech® Duct Occluder for PDA closure. Dr. Bilici often presents his findings at major medical congresses around the world.
He has held important clinical and academic positions at hospitals such as Liv Hospital, Medical Park, and Dicle University. Dr. Bilici is a member of the Turkish Pediatric Cardiology and Cardiovascular Surgery Association. He is dedicated to training future pediatric cardiologists and improving national standards of care.
Experience
2019 - 2022
University of Health Sciences, Faculty of Medicine, Ankara City Hospital, Cardiology Clinic, Ankara
2017 - 2019
University of Health Sciences, Faculty of Medicine, Turkey Higher Specialization Training and Research Hospital, Cardiology Clinic, Ankara,
2012 - 2017
Türkiye Higher Specialization Training and Research Hospital, Cardiology Clinic, Ankara,
2012 - 2017
T.R. Karabük University, Faculty of Medicine, Department of Cardiology
2006 - 2006
Türkiye Higher Specialization Training and Research Hospital, Cardiology Clinic, Ankara,
2001 - 2006
Türkiye Higher Specialization Training and Research Hospital, Cardiology Clinic, Ankara,
1996 - 2001
Türkiye Higher Specialization Training and Research Hospital, Cardiology Clinic, Ankara,
Education
2017 Karabük University, Faculty of Medicine, Department of Cardiology
2006 Türkiye Higher Specialization Training and Research Hospital, Cardiology Clinic
2001 Türkiye Higher Specialization Training and Research Hospital, Ankara, Cardiology
1996 Ankara University, Faculty of Medicine