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Prof. MD. Alihan Oral
Prof. Dr. Alihan Oral
Prof. MD.

Alihan Oral

Liv Hospital Ulus
Internal Medicine
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Areas of Interests
    • Obesity
    • Healthy Living and Routine Screening Programs
    • Vitamin and Mineral Deficiencies
    • Palliative Care
    • Diabetes
    • Thyroid Diseases
    • Gastrointestinal Diseases
    • Cholesterol Diseases
    • Blood Pressure Disorders
Resume
Publications
Education:
  • Medical Specialization (2012 - 2016) Istanbul Medeniyet University, Turkey
  • Master's Degree (2014 - 2015) Istanbul Medeniyet University, Graduate Education Institute, Health Management (MSc) (Non-Thesis) (Evening Program), Turkey
  • Bachelor's Degree (2005 - 2011) Istanbul University, Istanbul Faculty of Medicine, Medical Program, Turkey
Experience:
  • Lecturer (2020 - 2021) Fenerbahçe University, Health Services Vocational School
  • Dr. Lecturer Member (2018 - 2020) DEMIROĞLU SCIENCE UNIVERSITY, FACULTY OF MEDICINE, DEPARTMENT OF INTERNAL MEDICINE
  • Non-Academic Experience - Assoc. Prof. Dr. (2023 - Present) BIRUNI UNIVERSITY FACULTY OF MEDICINE
  • ASSOC. PROF. DR., INTERNAL MEDICINE SPECIALIST (2020 - 2023) BAHÇELİEVLER MEDICANA HOSPITAL, FACULTY OF MEDICINE
  • ASSISTANT PROFESSOR, INTERNAL MEDICINE SPECIALIST (2018 - 2020) DEMIROĞLU SCIENCE UNIVERSITY ŞİŞLİ FLORENCE NIGHTINGALE HOSPITAL, FACULTY OF MEDICINE
  • Dr. Lecturer, Internal Medicine Specialist, Deputy Chief Physician (2020) GAYRETTEPE FLORENCE NIGHTINGALE HOSPITAL, FACULTY OF MEDICINE
  • INTERNAL MEDICINE SPECIALIST (2017 - 2018) MARDIN KIZILTEPE STATE HOSPITAL, FACULTY OF MEDICINE
  • DEPUTY CHIEF PHYSICIAN (2017 - 2018) MARDIN KIZILTEPE STATE HOSPITAL, FACULTY OF MEDICINE
  • INTERNAL MEDICINE (2012 - 2016) MEDENIYET UNIVERSITY GOZTEPE TRAINING AND RESEARCH HOSPITAL INTERNAL MEDICINE CLINIC, FACULTY OF MEDICINE
  • GENERAL PRACTITIONER (2011 - 2012) SIRNAK IDIL STATE HOSPITAL, FACULTY OF MEDICINE FACULTY
Thesis:
  • Clinical characteristics of hospitalized patients due to warfarin overdose and risk factors related to overdose, Medical Specialization Thesis, 2016, Istanbul Medeniyet University, Turkey
Articles Published in Journals Indexed in SCI, SSCI and AHCI:
  • Altered NGF and GDNF levels reveal neuroimmune dysregulation in COVID-19 patients (Scientific Reports, 2026)
  • A Novel Approach to Determining Bone Loss Through Serum Uric Acid Levels: A Retrospective Multicenter Cohort Analysis (Journal of Clinical Medicine, 2026)
  • Prognostic Value of the CONUT Score in Predicting All-Cause Mortality in Hospitalized Internal Medicine Patients: A Retrospective Cohort Study (Journal of Clinical Medicine, 2026)
  • Discordance Between FIB-4 and BAST Fibrosis Risk Classifications in Obese Patients with MASLD: Results from the OBREDI-TR Study (Diagnostics, 2026)
  • Prevalence of MASLD and Fibrosis Risk in Turkish Adults with Cardiometabolic Risk Factors: A Nationwide Multicenter Study (DAHUDER MASLD Study) (Journal of Clinical Medicine, 2025)
  • Is liraglutide safe and effective in the elderly obese patients?: A single center experience (Medicine, 2025)
  • Obesity-Related Disorders in Türkiye: A Multi Center, Retrospective, Cross-Sectional Analysis from the OBREDI-TR Study (Journal of Clinical Medicine, 2025)
  • Real-World Clinical Effectiveness of Liraglutide for Weight Management in Türkiye: Insights from the LIRA-TR Study (Journal of Clinical Medicine, 2024)
  • Metabolic Dysfunction-Associated Fatty Liver Disease and Fibrosis Status in Patients with Type 2 Diabetes Treated at Internal Medicine Clinics: Türkiye DAHUDER Awareness of Fatty Liver Disease Study (Turkish Journal of Gastroenterology, 2024)
  • Effects of Peroperative Cold Ischemia Time and Anhepatic Phase in Adult Living Donor Liver Transplant Recipients (Transplantation Proceedings, 2024)
  • Predictive Value of Preoperative 18 Fludeoxyglucose PET-CT for Survival in Liver Transplantation Due to Hepatocellular Cancer (Transplantation Proceedings, 2024)
  • A Single-Center's Early Surgical Outcomes of Living Donor Liver Transplantation (Transplantation Proceedings, 2023)
  • Factor 5 and Factor 2 heterozygous positivity and complications in living donor liver transplant donors (Northern Clinics of Istanbul, 2023)
  • Incidental combined hepatocellular-cholangiocarcinoma in liver transplant patients: Does it have a worse prognosis? (Hepatology Forum, 2023)
  • Factor 5 and Factor 2 heterozygous positivity and complications in living donor liver transplant donors (Northern Clinics of Istanbul, 2023)
  • Evaluation of Predisposing Metabolic Risk Factors for Portopulmonary Hypertension in Patients with NASH Cirrhosis (International Journal of General Medicine, 2022)
  • The comparison of pancreatic and hepatic steatosis in healthy liver donor candidates (Scientific Reports, 2021)
  • Does the FT3-to-FT4 ratio easily predict the progression of NAFLD and NASH cirrhosis? (Journal of International Medical Research, 2021)
  • Can hypothyroidism be a protective factor for hepatocellular carcinoma in cirrhosis? (Medicine, 2020)
  • Tacrolimus-induced gingival hyperplasia and recovery from tacrolimus to everolimus switching (Northern Clinics of Istanbul, 2020)
  • Evaluation of plateletcrit and platelet distribution width in patients with non-alcoholic fatty liver disease (Medical Science Monitor, 2019)
  • Prognostic role of ABO blood group and Rhesus factor in cirrhotic patients with hepatocellular carcinoma (Scientific Reports, 2019)
  • Relationship between serum uric acid levels and nonalcoholic fatty liver disease in non-obese patients (Medicina, 2019)
  • Assessment of mean platelet volume in patients with AA amyloidosis (Medical Science Monitor, 2019)
  • Xanthoma striatum palmare (Korean Journal of Internal Medicine, 2016)
  • Chronic rhinosinusitis, endothelial dysfunction, and atherosclerosis (American Journal of Rhinology and Allergy, 2016)
  • Association between elevated serum uric acid and vitamin D insufficiency among the middle-aged and elderly population (Turkish Nephrology, Dialysis and Transplantation Journal, 2016)
  • Renalase: Another puzzle piece between hypertension and simple renal cysts? (International Urology and Nephrology, 2015)
  • Synthetic marijuana "K2" induced ITP (Platelets, 2015)
  • Hyperuricemia is associated with progression of IgA nephropathy (International Urology and Nephrology, 2015)
Articles Published in Other Journals:
  • Effects of hepatic artery type and number on bile complications in right lobe living donor liver transplant recipients (Pamukkale Medical Journal, 2024)
  • Impact of Obesity Severity on Hepatic Steatosis and Systemic Inflammatory Markers (DAHUDER Medical Journal, 2024)
  • Acute Toxic Hepatitis Caused By Inula Viscosa (Andız Otu): A Case Report (DAHUDER Medical Journal, 2024)
  • Effect of donor graft hepatosteatosis on postoperative complications in adult living donor liver transplant recipients (Turkish Journal of Academic Gastroenterology, 2024)
  • Hepatocellular Cancer and Liver Transplantation; Is There Any Novelty in Prognostic Factors For Survival and Recurrence? (Acıbadem Üniversitesi Sağlık Bilimleri Dergisi, 2024)
  • Is high body mass index a factor that increases postoperative hemorrhage and bile complication rates? (Pamukkale Medical Journal, 2024)
  • Perioperative findings and postoperative complications in living donor liver transplantation recipients with high MELD scores (2023)
  • A Case of Autoimmune Hepatitis Presenting with Fever and Bicytopenia (2022)
  • The relationship between postprandial C peptide-glucose ratio, beta-cell function and treatment success in T2DM (2021)
  • The efficacy of empirical antibiotic treatment and resistance on mortality in an internal medicine intensive care unit (2021)
Books and Book Chapters:
  • Workshop Report on the Management of Diabetic Fatty Liver Disease in Internal Medicine Practice – Treatment Approaches (2025)
  • Current Approaches in Obesity Diagnosis and Treatment – ​​Obesity and Cerebrovascular Diseases (2025)
  • DAHUDER Acute Internal Medicine – Septic Arthritis (2023)
  • Washington Medical Handbook – Poisonings (2020)
  • Chronic Disease Follow-up and Chronic Patient Care in Primary Care – Hypertension Follow-up in Primary Care (2020)
  • Current Gastroenterology Studies – Non-Alcoholic Fatty Liver Disease and Treatment (2020)
  • Current General Internal Medicine Studies II – Vitamin D Deficiency and Treatment in Light of Current Information (2019)
Peer-Reviewed Congress/Symposium Papers:
  • Obesity Interactive Session with Case Studies (2025)
  • The prevalence of MASLD and risk of hepatic fibrosis in subjects with cardiometabolic risk factors (ECO 2025)
  • The comparison of liraglutide and exercise on body composition (ESC Preventive Cardiology 2025)
  • Hyponatremia and its Management (2025)
  • Medical Treatments in Obesity (2024)
  • Diabetes Management in Obesity (2024)
  • Obesity Management with Case Studies (2024)
  • Use of Liraglutide in Obesity: A Single Center Experience (2024)
  • Obesity and Nutrition (2024)
  • Obesity and Nutrition (2024)
  • C-Peptide (2023)
  • Hypothyroidism (2022)
  • Obesity and Current Approaches (2022)
  • Pathophysiology of Obesity (2022)
  • Current Approach to Febrile Neutropenia (2022)
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