Prof. Dr. Dursun Aras – Cardiologist

 

Prof. Dr. Dursun Aras completed his medical education at Ankara University Faculty of Medicine in 1996. He pursued his specialization in cardiology at Ankara High Specialization Training and Research Hospital, becoming a Cardiology Specialist in 2001, and subsequently continued his clinical and academic work at the same institution.

He achieved the title of Associate Professor in 2006 and was promoted to Full Professor in 2012, reflecting his significant contributions to the field of cardiology.

In 2005, he broadened his expertise in cardiac electrophysiology by serving as an observer in Arrhythmia and Ablation at Maastricht University, Netherlands, one of Europe’s leading centers for arrhythmia management.

Between 2016 and 2018, Prof. Dr. Aras served as the Chairman of the Arrhythmia Working Group of the Turkish Society of Cardiology, where he contributed to national clinical guidelines, scientific collaboration, and training initiatives.

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Conditions Treated by Prof. Dr. Dursun Aras

 

• Atherosclerosis

• Hypertension (High blood pressure)

• Hyperlipidemia (High cholesterol)

• Angina pectoris

• Cardiac arrest

• Heart failure

• Myocardial infarction (Heart attack)

• Blood clots and thrombotic disorders

• Atrial fibrillation and other cardiac arrhythmias

• Endocarditis

• Cardiogenic shock

• Valvular heart diseases

• Structural heart abnormalities

• Cardiomyopathies

• Myocarditis

• Pericardial diseases (e.g., pericarditis, pericardial effusion)

• Congenital cardiac conditions

• Aortic diseases (aneurysm, stenosis)

• Peripheral arterial diseases (including subclavian, renal, and coronary artery disease)

 

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Areas of Clinical and Academic Interest

 

• Hypertension

• Coronary artery disease

• Acute myocardial infarction

• Atrial fibrillation and complex arrhythmias

• Cardiac compression disorders

• Heart failure and ischemic heart disease

• Atherosclerotic cardiovascular disease

• Mitral valve insufficiency

• Advanced electrophysiology and ablation therapies

 

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Qualifications & Academic Appointments

 

• 2017 – Present: Karabük University, Faculty of Medicine, Department of Cardiology

• 2006 – 2017: Türkiye High Specialization Training and Research Hospital – Cardiology Clinic (Faculty Member)

• 2001 – 2006: Türkiye High Specialization Training and Research Hospital – Cardiology Specialist

• 1996: Ankara University Faculty of Medicine – Medical Doctor

Prof. Yıldıray Yüzer, M.D.

General Surgery & Liver Transplantation Specialist

Prof. Yıldıray Yüzer, M.D., completed his residency in General Surgery at the Faculty of Medicine, Ege University, in 1984. Following his compulsory service at İzmir Menemen State Hospital between 1986 and 1988, he returned to academia and served as Chief Assistant in the Department of General Surgery at Ege University Faculty of Medicine from 1988 to 1993.

In 1993, Prof. Yüzer further enhanced his clinical and research expertise through advanced studies at the prestigious Memorial Sloan Kettering Cancer Center in the United States, focusing on complex oncologic and hepatobiliary surgery.

He joined the Group Florence Nightingale in 2004 and has since become one of the leading figures in liver transplantation both nationally and internationally. Over the course of his career, he has participated in more than 4500 liver transplantation procedures, a substantial proportion of which involved healthy living donors. He is widely recognized for his innovative surgical techniques in donor organ retrieval and has a particular clinical and academic interest in pediatric liver transplantation.

Since 2004, Prof. Yüzer has served as the Director of the Liver Transplantation Center at Florence Nightingale Hospital, where he has performed approximately 1500 liver transplants and continues to contribute to the advancement of surgical excellence and transplant outcomes.

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Clinical Conditions Treated

 

• Liver Transplantation

• Hepatocellular Carcinoma

• Cholangiocarcinoma

• Pancreatic Cancer

 

Areas of Expertise & Academic Interest

 

• Management of traumatic injuries

• Congenital and acquired anatomical abnormalities

• Breast cancer and oncologic surgery

• Disorders of the upper gastrointestinal tract (esophagus, stomach, small intestine)

• Biliary tract diseases (gallbladder, bile ducts, pancreas, liver)

• Endocrine surgical conditions (thyroid, adrenal glands)

• Vascular pathologies involving major blood vessels

• Comprehensive care for critically ill and terminally ill patients

 

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Qualifications & Professional Training

 

• 2012 – Istanbul Florence Nightingale Hospital

  General Surgery / Organ Transplant Center

• 1993 – Memorial Sloan Kettering Cancer Center, USA

  Advanced Training in General Surgery

• 1988 – 1993 – Ege University Faculty of Medicine (EUFT)

  Chief Assistant, Department of General Surgery

• 1986 – 1988 – İzmir Menemen State Hospital

  Mandatory Service

• 1978 – 1984 – Ege University Faculty of Medicine

  General Surgery Specialization Training

Dr. Sezer Sağlam has established a distinguished career in internal medicine and medical oncology, shaped by rigorous academic training and extensive clinical experience. His medical journey commenced in 1991 at Ege University, where he completed his foundational medical education. He proceeded to specialize in Internal Medicine at the Cerrahpaşa Medical Faculty, graduating in 1996 with strong clinical proficiency.

In 1999, Dr. Sağlam advanced his expertise in oncological sciences through a formative tenure at the American Cancer Center of Florence Nightingale Metropolitan Hospital, gaining comprehensive exposure to contemporary cancer therapies and multidisciplinary cancer care. His pursuit of academic and clinical excellence culminated in 2005 with the completion of his Medical Oncology specialization at the Istanbul University Oncology Institute, one of Türkiye’s foremost centers for oncology training. This achievement firmly positioned him among leading specialists in cancer diagnosis, systemic therapy, and personalized oncological management.

Throughout his career, Dr. Sağlam has demonstrated exceptional dedication to patient-centered care, integrating evidence-based oncology with his solid background in internal medicine. His broad academic formation and longstanding commitment to advancing cancer treatment underscore his contributions to the fields of medical oncology and internal medicine.

Conditions treated by Dr. Sezer Sağlam

• Breast cancer and gynecological cancers

• Melanoma and brain tumors

• Soft tissue and bone sarcomas

• Hematological malignancies, including lymphomas, leukemias, and multiple myeloma

• Gastrointestinal cancers

• Ewing sarcoma

 

Areas of Interest

• Medical oncology

• Gastrointestinal cancers

• Gastric cancer

• Ewing sarcoma

• Internal medicine

 

Qualifications

• 2005 – Istanbul University Oncology Institute, Medical Oncology Specialization

• 1999 – American Cancer Center, Florence Nightingale Metropolitan Hospital

• 1997–1998 – Bayraktar Dialysis Center

• 1996 – Cerrahpaşa Medical Faculty, Internal Medicine Specialization Training

• 1991 – Ege University, Medical Education

 

Consultation with Dr. Sezer Sağlam can be arranged through Diva Health in coordination with MediGence.

Prof. Dr. Murat Gulbaran is a distinguished Interventional Cardiologist with over 22 years of clinical and academic experience. His expertise spans interventional cardiology, cardiac imaging, and electrophysiology, with specialized focus on adult congenital heart disease, peripheral vascular disease, atrial fibrillation, ventricular heart disease, and coronary artery disease.

Prof. Dr. Gulbaran plays an active role in advancing cardiovascular medicine through participation in major international seminars and scientific meetings. His work has been recognized at prestigious events including the National Congress of Cardiology, the American Arrhythmia Meeting, and the European Cardiology Meeting. He has authored nearly 60 publications in national and international peer-reviewed journals, reflecting his commitment to scientific progress and high-quality patient care.

Conditions treated by Dr. Murat Gulbaran

• Adult congenital heart disease

• Peripheral vascular disease

• Atrial fibrillation

• Ventricular heart disease

• Coronary artery disease

 

Area of Interest

• Interventional Cardiology

• Electrophysiology

• Cardiac Imaging

 

Qualification

• 1987: Faculty of Medicine, Istanbul University, Istanbul

• 1993: Istanbul University Institute of Cardiology, Turkey

• 1998: Cleveland Clinic, USA

• 2002: Columbia University, USA

• 2004: Kerckhoff Clinic, Germany

 

Consultation with Prof. Dr. Murat Gulbaran can be arranged through Diva Health in coordination with MediGence.

Dr. Levent Özgönenel

Prof. Dr. Levent Özgönenel is a distinguished specialist in Physical Medicine and Rehabilitation (FTR) with extensive clinical, academic, and research experience. He obtained his medical degree from Istanbul University’s Cerrahpaşa Faculty of Medicine in 1998. Following this, he completed his specialization in Physical Medicine and Rehabilitation at Istanbul Training and Research Hospital in 2003, where he later continued serving in the department between 2005 and 2012.

In 2006, he successfully passed the European Physical Therapy and Rehabilitation Board examination and received the prestigious European Board Certificate. His academic advancement continued with the completion of a master’s degree in Electrodiagnostics of Neurological Sciences at Marmara University in 2010.

Since 2014, Prof. Dr. Özgönenel has been affiliated with Group Florence Nightingale Hospitals, where he provides comprehensive diagnostic and rehabilitative care. His areas of expertise span musculoskeletal system diseases, pediatric rehabilitation, and neurological rehabilitation, with additional specialization in advanced therapeutic modalities such as neural therapy, PRP treatments, and superficial electromyography.

Conditions Treated by Dr. Levent Özgönenel

• PRP (Platelet Rich Plasma)

• Neural therapy

• Ankylosing spondylitis

• Superficial electromyography

• Inflammatory joint rheumatism

• Musculoskeletal system diseases

• Neurological rehabilitation

• Pediatric rehabilitation

 

Areas of Interest

• Musculoskeletal system diseases

• Neurological rehabilitation

• Pediatric rehabilitation

 

Qualifications

• 2010 – Marmara University, Neurological Sciences (Electrodiagnostics – Master’s Degree)

• 2005–2012 – SB Istanbul Training and Research Hospital (Physical Therapy and Rehabilitation)

• 2003 – SB Istanbul Training and Research Hospital (Specialization in Physical Medicine and Rehabilitation)

• 1998 – Istanbul University Cerrahpaşa Faculty of Medicine (Medical Degree)

 

Consultation with the doctor can be arranged through Diva Health in coordination with MediGence.

Prof. Dr. Alaettin Çelik is a distinguished Pediatric Surgeon with an extensive academic and clinical background spanning several decades. He graduated from Haydarpaşa High School in 1966 and earned his medical degree from Istanbul University, Istanbul Faculty of Medicine, in 1972. After completing his short-term military service at Gallipoli Military Hospital in 1975, he obtained his General Surgery Specialization in 1977.

Between 1978 and 1980, Dr. Alaettin Çelik served as a Specialized Assistant (Registrar) in the Department of Pediatric Surgery at the University of London, The Hospital for Sick Children (GOS). In 1982, he became an Associate Professor and was appointed as the founding Chairman of the Pediatric Surgery Department at the Istanbul Faculty of Medicine. He received the title of Professor in 1988 and later served as the Head of the Department of Surgical Medical Sciences at Istanbul Faculty of Medicine between 1995 and 1998.

Conditions treated by Dr. Alaettin Çelik

• Congenital anomalies

• Inguinal, abdominal, and umbilical hernias; hydrocele

• Undescended testis

• Hypospadias and urinary opening anomalies

• Phimosis and foreskin adhesions

• Structural anomalies of the chest and spine

• Hemangiomas and lymphangiomas

• Benign and malignant pediatric tumors involving internal organs

• Acute abdominal pain and appendicitis (congenital or acquired)

• Pediatric trauma care: falls, burns, injuries, foreign body ingestion

• Goiter and thyroid disorders

• Hemorrhoids, anal fissures, anal abscess

• Constipation and megacolon

• Kidney, liver, biliary tract, and pancreas cysts, abscesses, and tumors

• Lung cysts, abscesses, and tumors

• Ovarian and adrenal gland cysts, abscesses, and tumors

• Anal stenosis and malposition

• Urinary system disorders, reflux, hypospadias, epispadias

• Gender developmental disorders and other pediatric surgical conditions

 

Area of Interest

Pediatric Surgery

Qualification

• General Surgery Specialist, Istanbul University, Istanbul Faculty of Medicine, 2nd Department of Surgery (1977)

• Pediatric Surgery Registrar, The Hospital for Sick Children (GOS), University of London (1978–1980)

• Medical Degree, Istanbul University, Istanbul Faculty of Medicine (1972)

Dr. Ali Uzpak is an Orthopedics and Traumatology Specialist at Gayrettepe Florence Nightingale Hospital, where he has been serving since 2004. Born in Kahramanmaraş in 1969, he completed his medical degree at Istanbul University Cerrahpaşa Faculty of Medicine in 1996. He pursued his specialization in Orthopedics and Traumatology at the same institution between 1997 and 2002, gaining extensive training in musculoskeletal disorders, trauma care, and advanced surgical techniques.

Between 2002 and 2004, Dr. Uzpak worked at the International Hospital, further strengthening his clinical expertise. Over the course of his career, he has attended numerous conferences, workshops, and seminars across Europe and the United States, focusing on the latest developments in orthopedic surgery and trauma management. He is also an active member of several national and international professional associations, contributing to ongoing advancements in orthopedic science and practice.

Areas of Interest

• Knee and Hip

• Sports Injuries

• Ankle and Foot Surgery

 

Qualifications & Professional Experience

• 2004 – Present: Gayrettepe Florence Nightingale Hospital, Orthopedics and Traumatology

• 2002 – 2004: International Hospital, Orthopedics and Traumatology

• 1997 – 2002: Istanbul University Cerrahpaşa Faculty of Medicine, Department of Orthopedics and Traumatology

 

Note: Consultation with Dr. Ali Uzpak can be arranged through Diva Health in coordination with MediGence.