Mustafa Ondzhel
- 4.6 Eccellente • 473 recensioni
- 24 anni di esperienza
- Turchia, Istanbul, Medipol Mega University Hospital
Professor of oncosurgery and proctology
Professor of oncosurgery and proctology
2005 – M.D., Istanbul University, Istanbul Faculty of Medicine
2010 – Internal Medicine Specialization, Haseki Training and Research Hospital
2021 – Gastroenterology Subspecialty Training, Sakarya University Faculty of Medicine
Assistant Professor, Istanbul Florence Nightingale Hospital
Assistant Professor, Istanbul Bilim University Faculty of Medicine
Assistant Professor, Istanbul Yeni Yüzyıl University Faculty of Medicine
Head of Department, Giresun University Faculty of Medicine
Dr. Acar has authored over 20 international peer-reviewed articles in the fields of internal medicine and gastroenterology. Her notable contributions include studies and case reports on:
Gastrointestinal bleeding management in anticoagulant users
Rare GI cases such as bezoars, aortoesophageal fistulas, and massive hemorrhagic ascites
Liver transplantation complications, including graft-versus-host disease
The role of (pro)hepcidin in IBD-related anemia
Endoscopic interventions for acute GI bleeding
Covid-19 treatment agents and their GI implications in Turkey
(Full publication list available upon request)
Gastrointestinal bleeding & endoscopic procedures
Hepatology & liver disease management
Inflammatory bowel diseases (IBD)
Complex GI case diagnostics
Post-transplant GI complications
Diabetic GI and cardiovascular comorbidities
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
Cardiologist, Arrhythmologist
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.
Pediatrician, Pediatric Gastroenterology and Nutrition Specialist
Education
Yeditepe University School of Medicine
Professor of Pediatrics (Chair of the Department)
2004 - 2007
Dokuz Eylül University School of Medicine
Pediatric Gastroenterology Sub-specialty
1995 – 1998
Hacettepe University School of Medicine
Pediatrics Instructor
1985 - 1987
Professional Experience
Ataşehir Florence Nightingale Hospital
Pediatrician, Pediatric Gastroenterology
2017 – Present
Kadıköy Şifa Ataşehir Hospital
Pediatric Gastroenterology and Nutrition
2013 – 2017
Dokuz Eylül University School of Medicine
Professor of Pediatrics
1994 – 2004
Publications
Cevik N, Buyukgebiz B. Interaction between human blood group (ABO) substances and enteropathogenic
bacterial agents. Turk J Pediatr. 1987. Link
Buyukgebiz B, Ozalp I, Oran O. Investigation of serum vitamin A levels of children who had a history of
recurrent diarrhoea. J Trop Pediatrics. 1990. Link
Languages
Turkish: Native
English: Advanced
Education and Specialization
Experience
Dr. Nurperi Gazioglu is a neurosurgeon. She trained at Istanbul University Cerrahpaşa Faculty of Medicine. She earned her MD in 1984 after study from 1978 to 1984. She completed neurosurgery training from 1986 to 1993. Her 1993 dissertation examined “Fetal Hypophysis Transplantation Under the Renal Capsule in Rats.”
She completed advanced courses in endoscopic pituitary surgery (2005, 2007, 2008) and endoscopic lumbar disc surgery (2007). She also trained in molecular genetics for clinicians (2003) and CME with the World Federation of Neurology (2002). She studied epilepsy surgery focused on insular–hippocampal anatomy (1999) and thoracolumbar trauma (1998). She attended the EANS European Neurosurgery Course (1988). Her clinical training includes observerships at APHP Necker–Enfants Malades and Hôpital Lariboisière in 1991. She completed an internship there in 1999.
Dr Roberto Hernandez Pena is a neurosurgeon based in Mexicali, Baja California, Mexico. He works with fellow neurosurgeon Dr Nestor Rodriguez. Together, they perform 30 to 60 neurosurgeries each month.
Dr Hernandez Pena trained in the United States and Canada. He uses the latest technology in all surgical procedures.
Dr. Vilius Kontenis is a gastroenterologist and endoscopist. He trained at Vilnius University and earned his MD in 2014. He completed his gastroenterology residency in 2018. Since then, he has worked at Mažeikiai Hospital as a gastroenterologist and endoscopist. He also practices at Kardiolita Clinics in Vilnius as a gastroenterologist.
His work includes a systematic review and meta-analysis on inflammatory bowel disease. He has studied liver fibrosis, comparing FibroScan with routine tests. He has also published on dysphagia in older adults, pediatric diarrhea, and food allergy. He has presented on chylous ascites and catastrophic antiphospholipid syndrome. He edited issue No. 1 of Gastroenterologija. He attended the 35th GEEW in 2017. He is a member of the Lithuanian Gastroenterology Association and the World Gastroenterology Organisation.
Dermatologist
Work experience:
International experience
Prof. Dr. Yasef began his medical education at Istanbul University in 1973 and graduated from Istanbul University Cerrahpaşa Faculty of Medicine in 1979. He started his specialization in neurology at the same university in 1980 and became a neurologist in 1985. During his specialty training, he spent 6 months at Hacettepe University in the Neurology Department in Ankara.
After becoming a neurologist, he completed 3.5 years of obligatory government service, spending the first 1.5 years at the Iskenderun Navy Hospital and the next 2 years at Diyarbakır Social Security Hospital. He returned to Istanbul University in 1989.
Prof. Dr. Yasef worked abroad in the United States from 1990 - 1991, focusing on dementia and behavioral neurology.
In 1994, he became an Associate Professor and continued working at Istanbul University until 1999. Between 1999 - 2002, he worked at Florence Nightingale Hospital, and then at Kozyatağı Acıbadem Hospital from 2004 to 2013.
Since 2013, he has been a valuable part of the team at Florence Nightingale Hospital.
Specialties
Work Experience
Dr. Kristina Ryliškienė is a neurologist with expertise in stroke, migraine, and neurosonology. She graduated from Vilnius University Faculty of Medicine in 1997. She completed her neurology residency in 2003 and earned her doctoral degree in 2008.
Dr. Ryliškienė works at Vilnius University Hospital Santaros Klinikos and Kardiolita Hospital. She is also an Associate Professor at Vilnius University. She has led advanced training courses and given lectures internationally, including at Astana University and the Baltic School of Neurosonology.
She is a member of the European Academy of Neurology, Lithuanian Neurological Society, Stroke Association, and the Association of Headache Specialists. Dr. Ryliškienė is active in research and education in neurology.
Dr. Laura Masalaite is a gastroenterologist and endoscopist at VUL Santaros Clinics and Kardiolita Clinics. She became Acting Head of the Organ Transplantation Coordination Centre in 2024. From 2007 to 2024, she served as Senior Specialist. She has been an Associate Professor at Vilnius University since 2024.
She completed a PhD in Medicine in 2014 (2010–2014). She finished a gastroenterology residency in 2010 (2006–2010). She is a licensed gastroenterologist (MPL15909; 2010-06-30). Her advanced training includes liver transplantation in Vienna (2023–2024) and Warsaw (2010). She also trained in endoscopy and ultrasound in Wuppertal and completed UEG courses. She obtained GCP certification in 2023.
She has published in Cancers, Scandinavian Journal of Gastroenterology, and Hepatology International. Her work covers national 5-year colorectal screening and EUS for predicting variceal recurrence. She has also studied adenoma detection rate, Zenker diverticulotomy, portal vein flow in pancreatitis, diastolic dysfunction in cirrhosis, and early outcomes after liver transplantation.