Prof. Dr. Oğuzhan Öztürk is a gastroenterologist specializing in advanced endoscopic procedures, including ERCP, EUS, EMR, ESD, and POEM treatment of achalasia, as well as fatty liver disease, hepatitis B and C, and inflammatory bowel diseases such as ulcerative colitis and Crohn's disease. He graduated from Trakya University Faculty of Medicine in 2001 and became a specialist in Internal Medicine at Uludağ University Faculty of Medicine, later completing his Gastroenterology subspecialty in 2011 at Göztepe Training and Research Hospital. He began working as Chief Assistant at the University of Health Sciences Ümraniye Training and Research Hospital in 2013, and in 2017 was awarded the title of Associate Professor while continuing at the same institution, eventually serving as Administrative Head of its Gastroenterology Clinic. He currently practices at Biruni University Faculty of Medicine Hospital. He has focused extensively on advanced endoscopic procedures and has participated in international pharmaceutical studies on fatty liver disease, resulting in a substantial body of international peer-reviewed publications. In outpatient settings, he also treats other gastrointestinal disorders and chronic diseases. He has received presentation awards from national and international gastroenterology congresses and is a member of the Turkish Society of Gastroenterology, the Turkish Association of Liver Research, and the Gastrointestinal Endoscopy Society.
Education
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Subspecialty in Gastroenterology
Medeniyet University, Göztepe Training and Research Hospital / Gastroenterology Clinic
2007–2011
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Residency in Internal Medicine
Uludağ University
2001–2006
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Undergraduate Degree (Medicine)
Trakya University
1995–2001
Academic & Administrative Roles
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Professor, Gastroenterology
Biruni University Faculty of Medicine Hospital
Present
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Associate Professor, Administrative Head of the Gastroenterology Clinic
University of Health Sciences Ümraniye Training and Research Hospital
2021–2024
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Associate Professor, Chief Assistant of the Gastroenterology Clinic
University of Health Sciences Ümraniye Training and Research Hospital
2017–2021
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Chief Assistant in Gastroenterology
University of Health Sciences Ümraniye Training and Research Hospital
2013–2017
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Gastroenterology Specialist
Sivas Numune Hospital
2011–2013
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Gastroenterology Subspecialty Resident
Istanbul Medeniyet University Göztepe Training and Research Hospital, Gastroenterology Clinic
2007–2011
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Internal Medicine Specialist
Şanlıurfa Mehmet Akif İnan Training and Research Hospital
2007 (Jul–Dec)
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Resident Physician
Uludağ University Faculty of Medicine, Department of Internal Medicine
2001–2006
- Turkish Society of Gastroenterology
- Turkish Association of Liver Research
- Gastrointestinal Endoscopy Society
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Post-ERCP Complication Analysis of an Experienced Center
Surg Laparosc Endosc Percutan Tech · 2022 -
Validation of the PAGE-B score to predict hepatocellular carcinoma risk in caucasian chronic hepatitis B patients on treatment
World J Gastroenterol · 2022 -
Effects of Long-Term Tenofovir and Entecavir Treatment on Bone Mineral Density in Patients with Chronic Hepatitis B
Turk J Gastroenterol · 2022 -
A novel therapeutic approach to NASH: Both polyethylene glycol 3350 and lactulose reduce hepatic inflammation in C57BL/6J mice
Adv Clin Exp Med · 2021 -
High frequency of gastric cancer precursor lesions in patients with gastric xanthelasma: a prospective case-control study
Eur J Gastroenterol Hepatol · 2020 -
Risk of hepatitis B reactivation during anti-TNF therapy; evaluation of patients with past hepatitis B infection
Turk J Gastroenterol · 2020 -
HLA DPB1 15:01 Allele Predicts Spontaneous Hepatitis B Surface Antigen Seroconversion
Acta Gastroenterol Belg · 2017 -
Therapeutic success with bismuth-containing sequential and quadruple regimens in Helicobacter pylori eradication
Arab J Gastroenterol · 2017 -
Proteomic profiling of HBV infected liver biopsies with different fibrotic stages
Proteome Sci · 2017 -
Is activation in inflammatory bowel diseases associated with further impairment of coronary microcirculation?
Int J Cardiol · 2016 -
Increased serum soluble lectin-like oxidized low-density lipoprotein receptor-1 levels in patients with biopsy-proven nonalcoholic fatty liver disease
World J Gastroenterol · 2015 -
HLA DQB1 alleles are related with nonalcoholic fatty liver disease
Mol Biol Rep · 2014 -
Association of human leukocyte antigen DQB1 and DRB1 alleles with chronic hepatitis B
World J Gastroenterol · 2014 -
Gallstone disease does not predict liver histology in nonalcoholic fatty liver disease
Gut Liver · 2014 -
Frequency of metabolic syndrome and 25-hydroxyvitamin D3 levels in patients with non-alcoholic fatty liver disease
Minerva Med · 2013 -
The effect of HLA-DQB1 alleles on virologic breakthroughs during chronic hepatitis B treatment with genetically low barrier drugs
Clin Res Hepatol Gastroenterol · 2013 -
Serum osteopontin levels as a predictor of portal inflammation in patients with nonalcoholic fatty liver disease
Dig Liver Dis · 2013 -
Assessment of endothelial function in patients with nonalcoholic fatty liver disease
Endocrine · 2013 -
Relation of epicardial adipose tissue and carotid intima-media thickness in patients with nonalcoholic fatty liver disease
Eur J Gastroenterol Hepatol · 2012 -
Nonalcoholic fatty liver disease: a nutritional approach
Metab Syndr Relat Disord · 2012 -
Serum concentrations of human insulin-like growth factor-1 and levels of insulin-like growth factor-binding protein-5 in patients with nonalcoholic fatty liver disease: association with liver histology
Eur J Gastroenterol Hepatol · 2012 -
Concentrations of connective tissue growth factor in patients with nonalcoholic fatty liver disease: association with liver fibrosis
Dis Markers · 2012 -
Association of serum lipoprotein-associated phospholipase A2 level with nonalcoholic fatty liver disease
Metab Syndr Relat Disord · 2012 -
Plasma fibrinogen-like protein 2 levels in patients with non-alcoholic fatty liver disease
Hepatogastroenterology · 2011 -
A case of isolated pancreatic tuberculosis mimicking pancreatic carcinoma
Turk J Gastroenterol · 2011 -
Mesenteric inflammatory veno-occlusive disease: an unusual cause of colonic ischemia
Turk J Gastroenterol · 2011 -
Ecstasy induced fatal hepatic failure
J Gastrointestin Liver Dis · 2011
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Third Prize for Oral Presentation
32nd National Gastroenterology Week, Turkish Gastroenterology Association
2015
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Oral Presentation Third Prize
XVth Eurasian Congress of Gastroenterology and Surgery, Antalya
2016