Gastroenterology

Prof. Dr. Yılmaz Bilgic

1. Stomach & Intestinal Diseases

Comprehensive evaluation and treatment of:
•    Gastritis, GERD, acid reflux
•    Helicobacter pylori infection
•    Peptic ulcer disease
•    Chronic abdominal pain and bloating
•    Irritable Bowel Syndrome (IBS)
•    Diverticulitis and diverticular disease
•    Malabsorption and chronic diarrhea
•    Colon polyps and precancerous lesions


2. Autoimmune & Immune-Mediated Gastrointestinal Diseases

Specialized management of complex autoimmune disorders including:
    •    Inflammatory Bowel Disease (IBD)
    •    Ulcerative colitis
    •    Crohn’s disease
    •    Autoimmune hepatitis
    •    Primary biliary cholangitis (PBC)
    •    Primary sclerosing cholangitis (PSC)
    •    Celiac disease
    •    Eosinophilic GI disorders
    •    Autoimmune pancreatitis

Care includes biologic therapy, immunomodulators, advanced imaging, and long-term monitoring.


3. Liver Diseases (Hepatology)

Expert care for liver-related conditions:
    •    Fatty liver (NAFLD/MASLD)
    •    Cirrhosis and portal hypertension
    •    Viral hepatitis B & C
    •    Liver fibrosis
    •    Benign and malignant liver lesions
    •    Liver cancer (HCC, cholangiocarcinoma)


4. Pancreatic & Biliary Tract Disorders

Diagnosis and treatment of:
    •    Acute and chronic pancreatitis
    •    Gallstones & bile duct stones
    •    Biliary obstruction
    •    Pancreatic cysts
    •    Exocrine pancreatic insufficiency


5. Gastrointestinal Oncology

Early detection, staging, and treatment coordination for:
    •    Stomach cancer
    •    Colon cancer
    •    Pancreatic cancer
    •    Liver cancer
    •    Esophageal cancer
    •    Neuroendocrine tumors

Includes endoscopic evaluation, biopsy, second opinions, and surgical referral through RecMed’s partner hospitals.


6. Advanced Endoscopic Procedures

Performed by top specialists using modern equipment:
    •    Diagnostic gastroscopy
    •    Colonoscopy with polypectomy
    •    Endoscopic biopsy
    •    ERCP
    •    Endoscopic ultrasound (EUS)
    •    GI bleeding control
    •    Esophageal dilation
    •    PEG tube placement


7. Functional & Motility Disorders

Expert management of:
    •    Achalasia
    •    Gastroparesis
    •    Chronic constipation
    •    SIBO (Small Intestinal Bacterial Overgrowth)
    •    Esophageal motility disorders


8. Preventive Gastroenterology
    •    Colon cancer screening programs
    •    Surveillance for high-risk patients
    •    Long-term follow-up for chronic GI diseases
    •    Nutrition and lifestyle counseling

Education:

- M.D. – Atatürk University, Faculty of Medicine (2001)

- Internal Medicine Residency – İnönü University (2007–2012)

- Gastroenterology Fellowship – İnönü University (2009–2012)

- Associate Professorship in Gastroenterology – İnönü University (2018)


- Foreign Language Proficiency – English, YDS Score: 67.5 (2007)



Academic Appointments:

- Professor of Gastroenterology Medipol Acıbadem Regional Hospital, Istanbul 2024 – Present
- Professor of Gastroenterology İnönü University, Malatya 2023 – 2024
- Associate Professor of Gastroenterology İnönü University, Malatya 2018 – 2023
- Assistant Professor of Gastroenterology İnönü University, Malatya 2014 – 2018
- Gastroenterology Specialist Ministry of Health, Elazığ 2012 – 2014
- Research Assistant in Gastroenterology İnönü University, Malatya 2009 – 2012
- Internal Medicine Specialist Ministry of Health, Şanlıurfa 2007 – 2009
- Internal Medicine Research Assistant Atatürk University, Erzurum 2002 – 2007
- General Practitioner Adıyaman Tuberculosis War Dispensary 2001 – 2002


International Experience

Advanced Endoscopy Training – Anam Hospital, South Korea (2016, 3 months)
Advanced ERCP Course – Olympus Training Center, Hamburg (2017)


Memberships

Turkish Gastroenterology Society (Since 2015)
TKAD – Turkish Society of Digestive Diseases (Since 2018)
Turkish Endoscopy Society (Since 2020)

- Öğütmen Koç, Deniz et al. “Turkish Society of Gastroenterology: Pancreas Working Group, Acute Pancreatitis Committee Consensus Report.” The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology vol. 35,Suppl 1 (2024): S1-S44. doi:10.5152/tjg.2024.24392

- Trafimow, David et al. “Manipulating the Alpha Level Cannot Cure Significance Testing.” Frontiers in psychology vol. 9 699. 15 May. 2018, doi:10.3389/fpsyg.2018.00699

- Bilgic, Yilmaz et al. “Protective effect of dexpanthenol against cisplatin-induced hepatotoxicity.” Experimental and therapeutic medicine vol. 16,5 (2018): 4049-4057. doi:10.3892/etm.2018.6683

- Bilgiç, Yılmaz et al. “Does apocynin increase liver regeneration in the partial hepatectomy model?.” Turkish journal of medical sciences vol. 53,3 (2023): 647-658. doi:10.55730/1300-0144.5627

- Kose, A et al. “Effects of agomelatine on rat liver regeneration following partial hepatectomy.” Biotechnic & histochemistry : official publication of the Biological Stain Commission vol. 98,3 (2023): 157-165. doi:10.1080/10520295.2022.2139862

- Atayan, Y et al. “Ecstasy induced acute hepatic failure. Case reports.” Acta gastro-enterologica Belgica vol. 78,1 (2015): 53-5.

- Efe, Cumali et al. “Liver injury after SARS-CoV-2 vaccination: Features of immune-mediated hepatitis, role of corticosteroid therapy and outcome.” Hepatology (Baltimore, Md.) vol. 76,6 (2022): 1576-1586. doi:10.1002/hep.32572

- Gonultas, F et al. “Management of wet ascitic type of peritoneal tuberculosis: single center experience.” European review for medical and pharmacological sciences vol. 27,3 (2023): 980-987. doi:10.26355/eurrev_202302_31192

- Köksal, Aydın Şeref et al. “Acute pancreatitis in Turkey: Results of a nationwide multicenter study.” Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.] vol. 24,3 (2024): 327-334. doi:10.1016/j.pan.2023.10.005

- Sağlam, Osman et al. “Liver Transplantation for Autoimmune Hepatitis: 20 Years of Tertiary Centre Experience.” The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology vol. 36,3 (2024): 145-151. doi:10.5152/tjg.2024.24464

- Gonulal, Bedia et al. “Management and Survival Analysis of Gastrointestinal Neuroendocrine Tumors by Different Tumor Characteristics: Tertiary Center Experience.” Journal of gastrointestinal cancer vol. 53,4 (2022): 915-920. doi:10.1007/s12029-021-00709-8

- Ataman, Engin et al. “The Course of Endoscopic Treatment Success in Biliary Complications After Living Donor Liver Transplantation.” Medeniyet medical journal vol. 39,1 (2024): 33-38. doi:10.4274/MMJ.galenos.2024.89289

- Bilgic, Yilmaz et al. “Familial Abdominal and Intestinal Lipomatosis Presenting with Upper GI Bleeding.” Case reports in gastrointestinal medicine vol. 2015 (2015): 123723. doi:10.1155/2015/123723

- Bilgic, Yilmaz et al. “Albendazole Induced Recurrent Acute Toxic Hepatitis: A Case Report.” Acta gastro-enterologica Belgica vol. 80,2 (2017): 309-311.

- Cagin, Yasir Furkan et al. “The risk factors of portal vein thrombosis in patients with liver cirrhosis.” Experimental and therapeutic medicine vol. 17,4 (2019): 3189-3194. doi:10.3892/etm.2019.7300

- Bilgic, Yilmaz et al. “Therapeutic Effects of Plasmapheresis on Acute Exacerbations of Chronic Hepatitis B Infection.” Cureus vol. 13,1 e12779. 19 Jan. 2021, doi:10.7759/cureus.12779

- Akbulut, Sami et al. “Analysis of risk factors affecting the development of peptic ulcer perforation: case-control study.” Przeglad gastroenterologiczny vol. 16,1 (2021): 23-28. doi:10.5114/pg.2020.94744

- Berber, Ilhami et al. “Early therapeutic plasma exchange may improve treatment outcomes in severe acute toxic Hepatitis.” Transfusion and apheresis science : official journal of the World Apheresis Association : official journal of the European Society for Haemapheresis vol. 60,5 (2021): 103250. doi:10.1016/j.transci.2021.103250

- Nuransoy Cengiz, Ayşe et al. “Evaluation of Development of Nonalcoholic Fatty Pancreas Disease After Post-Endoscopic Retrograde Cholangiop ancreatography Pancreatitis in Liver Transplant Patients: Computerized Tomography Versus Ultrasound.” The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology vol. 34,11 (2023): 1180-1185. doi:10.5152/tjg.2023.22424


- Kiki, Ilhami et al. “Thrombotic thrombocytopenic purpura associated with Brucella infection.” The American journal of the medical sciences vol. 335,3 (2008): 230-2. doi:10.1097/MAJ.0b013e3180d09f19

- Yildirim, Oguzhan et al. “The influence of vitamin D deficiency on eradication rates of Helicobacter pylori.” Advances in clinical and experimental medicine : official organ Wroclaw Medical University vol. 26,9 (2017): 1377-1381. doi:10.17219/acem/65430

- Atayan, Yahya et al. “Lighter Ingestion as an Uncommon Cause of Severe Vomiting in a Schizophrenia Patient.” Case reports in gastrointestinal medicine vol. 2016 (2016): 6301302. doi:10.1155/2016/6301302

- Seckin, Yuksel et al. “Association of eNOS Gene Polymorphisms G894T and T-786C with Risk of Hepatorenal Syndrome.” Gastroenterology research and practice vol. 2016 (2016): 2579626. doi:10.1155/2016/2579626

- Harputluoglu, M et al. “Endoscopic treatment of biliary complications after duct-to-duct biliary anastomosis in pediatric liver transplantation.” Langenbeck's archives of surgery vol. 404,7 (2019): 875-883. doi:10.1007/s00423-019-01804-y

- Cagin, Yasir Furkan et al. “The Acute Effect of Humic Acid on Iron Accumulation in Rats.” Biological trace element research vol. 171,1 (2016): 145-55. doi:10.1007/s12011-015-0507-0

- Erdogan, Mehmet A et al. “A mitochondrial neurogastrointestinal encephalomyopathy with intestinal pseudo-obstruction resulted from a novel splice site mutation.” Clinical dysmorphology vol. 28,1 (2019): 22-25. doi:10.1097/MCD.0000000000000250

- Harputluoglu, Murat M M et al. “Effects of rifaximin on bacterial translocation in thioacetamide-induced liver injury in rats.” Inflammation vol. 35,4 (2012): 1512-7. doi:10.1007/s10753-012-9465-2

- Citlik Saritas, Seyhan et al. “Effects of lavender oil intervention before endoscopic retrograde cholangiopancreatography on patients' vital signs, pain and anxiety: A randomized controlled study.” Explore (New York, N.Y.) vol. 17,5 (2021): 446-450. doi:10.1016/j.explore.2020.07.011

- Sahin, Abdurrahman et al. “Is duodenal biopsy appropriate in areas endemic for Helicobacter pylori?.” Northern clinics of Istanbul vol. 4,1 13-21. 10 May. 2017, doi:10.14744/nci.2017.85520

- Sanli, Mukadder et al. “Evaluation of Anesthesia Management During Peroral Endoscopic Myotomy in Patients with Achalasia: A Retrospective Study.” Journal of clinical medicine vol. 14,18 6504. 16 Sep. 2025, doi:10.3390/jcm14186504

- Harputluoglu, M et al. “Endoscopic treatment of biliary complications after living donor liver transplantation in a high volume transplant center in Turkey; a single-center experience.” Acta gastro-enterologica Belgica vol. 81,2 (2018): 283-287.

- Erdoğan, Mehmet Ali et al. “Endoscopic treatment of biliary complications in donors after living donor liver transplantation in a high volume transplant center.” The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology vol. 31,9 (2020): 614-619. doi:10.5152/tjg.2020.18759

- Koc, Cemalettin et al. “Artificial vascular graft migration into hollow viscus organs in patients who underwent right lobe living donor liver transplantation.” Acta chirurgica Belgica vol. 120,6 (2020): 404-412. doi:10.1080/00015458.2020.1778266

- Yazar, Fatih Mehmet et al. “An obstruction not to forget: Pseudo-obstruction (Ogilvie syndrome): Single center experience.” Indian journal of critical care medicine : peer-reviewed, official publication of Indian Society of Critical Care Medicine vol. 20,3 (2016): 164-8. doi:10.4103/0972-5229.178180

- Çağın, Yasir Furkan et al. “Optimal Endoscopic Management of Anastomotic Strictures After Double- Biliary Reconstruction in Right Lobe Living-Donor Liver Transplantation.” Balkan medical journal vol. 38,6 (2021): 348-356. doi:10.5152/balkanmedj.2021.21692

- Harputluoglu, Murat M M et al. “Nucleotide-Binding Oligomerization Domain-Containing Protein 2 Variants in Patients with Spontaneous Bacterial Peritonitis.” Digestive diseases and sciences vol. 61,6 (2016): 1545-52. doi:10.1007/s10620-015-4024-y

- Cagin, Y F et al. “Relationship of percutaneous endoscopic gastrostomy-related mortality and morbidity rates and effectiveness with advancing age.” Acta gastro-enterologica Belgica vol. 78,3 (2015): 292-8.

- Yildirim, O et al. “The role of the eNOS G894T and T-786C gene polymorphism in the development of ascites in cirrhosis.” European review for medical and pharmacological sciences vol. 20,22 (2016): 4725-4730.

- Demirel, U et al. “The effects of Teucrium polium on ionizing radiation-induced intestinal damage in rats.” Acta gastro-enterologica Belgica vol. 74,4 (2011): 491-6.

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