Assoc. Prof. Dr. FATİH TÜRKER

Internal Medicine

Medipol University Esenler Hospital
FATİH TÜRKER

Birthplace

AKHİSAR

Languages

ENGLISH

Medical Areas of Interest

  •  Diabetes Mellitus
  •  Hypertension
  •  Hyperlipidemia
  •  Thyroid Diseases
  •  Anemia
  •  Gastrointestinal Diseases

Highlights

Fatih Türker, MD graduated from Istanbul University Cerrahpaşa Faculty of Medicine in 2010 and received his specialization in Internal Medicine from Istanbul Haseki Training and Research Hospital in 2015. As a clinical physician and educator, Türker, MD has been involved in patient care, medical education, and scientific research. He has worked in comprehensive patient assessment, diagnosis and management of multisystem diseases, clinical research, and internal medicine resident training at Training and Research Hospitals. He is a member of various national and international professional organizations.

 His research interests include adult health issues such as obesity, diabetes mellitus, hyperlipidemia, hypertension, anemia, thyroid diseases, and gastrointestinal system diseases. He has published numerous articles in national and international journals. He also contributes to the evaluation of many articles by serving as a volunteer reviewer and editor for prestigious national and international publications.

Experiences

2023

Haseki Training and Research Hospital

Associate Professor, Lecturer, Outpatient Clinic Supervisor

2020 - 2023

Haseki Training and Research Hospital

Internal Medicine Specialist

2018 - 2020

Demiroğlu Bilim University/Şişli Florence Nightingale Hospital

Internal Medicine Specialist, Assistant Professor

2015 - 2018

Arnavutköy State Hospital

Internal Medicine Specialist / Clinical Administrative Supervisor

2011 - 2015

Haseki Training and Research Hospital

Resident Doctor / Internal Medicine

2010 - 2011

Boyabat State Hospital

General Practitioner

Publications

INTERNATIONAL PUBLICATIONS

SCIE PUBLICATIONS

1.Oral A, Çavuşoğlu Türker B, Anılır E, Şahin T, Koçak E, Türker F. Association of Euthyroid Thyroid Hormone Levels with Hepatic Steatosis in Patients with Nonalcoholic Fatty Liver Disease. Diabetes Metab Syndr Obes. 2026;19:555563. Published 2026 May 23. doi:10.2147/DMSO.S555563

2. Türker F, Kula AC, Yamak M, et al. Prognostic Nutritional Index as a Predictor of Mortality in Hospitalized Geriatric Patients with Chronic Atrial Fibrillation. Int J Gen Med. 2026;19:590453. Published 2026 Mar 31. doi:10.2147/IJGM.S590453

3. Çavuşoğlu Türker B, Yamak M, Çetin M, et al. Prognostic Value of the CONUT Score in Predicting All-Cause Mortality in Hospitalized Internal Medicine Patients: A Retrospective Cohort Study. J Clin Med. 2026;15(5):1904. Published 2026 Mar 2. doi:10.3390/jcm15051904

4. Yamak M, Çavuşoğlu Türker B, Oral A, Çakır S, Menken Ö, Türker F. The Predictive Utility of Arterial Blood Gas Analysis for ICU Transfer and In-Hospital Mortality Among General Internal Medicine Inpatients. Int J Gen Med. 2026;19:571477. Published 2026 Jan 22. doi:10.2147/IJGM.S571477

5: Çavuşoğlu Türker B, Ahbab S, Türker F, Hoca E, Çiftçi Öztürk E, Kula AC,Öztürk H, Urvasızoğlu AÖ, Kalaycı N, Koçak E, Bulut M, Yasun Ö, Ataoğlu HE.

6.Comparison of Controlling Nutritional Status Score with Bedside Index forSeverity in Acute Pancreatitis Score and Atlanta Classification for Mortality in Patients with Acute Pancreatitis. J Clin Med. 2024 Jun 11;13(12):3416. doi:10.3390/jcm13123416. PMID: 38929944; PMCID: PMC11205006.

7: Hoca E, Arat EK, Arat O, Ahbab S, Kula AC, Öztürk H, Öztürk EÇ, Türker BÇ,Türker F, Ataoğlu HE. Hypermagnesemia is associated with poor outcomes duringhospitalization. Ir J Med Sci. 2024 Apr;193(2):733-739. doi:10.1007/s11845-023-03518-z. Epub 2023 Sep 9. PMID: 37684491.

8: Anılır E, Oral A, Turker F, Şahin T, Topçu FS, Yuzer Y, Tokat Y. PredictiveValue of Preoperative 18 Fludeoxyglucose Positron Emission Tomography-ComputedTomography for Survival in Liver Transplantation Due to Hepatocellular Cancer.Transplant Proc. 2024 Jan-Feb;56(1):111-115. doi:10.1016/j.transproceed.2023.12.007. Epub 2024 Jan 11. PMID: 38212168.

9: Anilir E, Oral A, Sahin T, Turker F, Yuzer Y, Tokat Y. Factor 5 and Factor 2heterozygous positivity and complications in living donor liver transplantdonors. North Clin Istanb. 2023 Sep 26;10(5):550-555. doi:10.14744/nci.2023.49354. PMID: 37829741; PMCID: PMC10565751.

10: Anilir E, Oral A, Sahin T, Turker F, Yuzer Y, Tokat Y. Incidental combinedhepatocellular-cholangiocarcinoma in liver transplant patients: Does it have aworse prognosis? Hepatol Forum. 2023 Sep 20;4(3):97-102. doi:10.14744/hf.2022.2022.0037. PMID: 37822306; PMCID: PMC10564256.

11: Çavuşoğlu Türker B, Ahbab S, Türker F, Hoca E, Çiftçi Öztürk E, Kula AC,Öztürk H, Urvasızoğlu AÖ, Bulut M, Yasun Ö, Ataoğlu HE. Systemic Immune-Inflammation and Systemic Inflammation Response Indices are Predictive Markersof Mortality in Inpatients Internal Medicine Services. Int J Gen Med. 2023 Jul 26;16:3163-3170. doi: 10.2147/IJGM.S420332. PMID: 37525647; PMCID: PMC10387250.

12: Cavuşoğlu Türker B, Türker F, Ahbab S, Hoca E, Urvasızoğlu AO, Cetin SI,Ataoğlu HE. Evaluation of the Charlson Comorbidity Index and Laboratory Parameters as Independent Early Mortality Predictors in Covid 19 Patients. Int JGen Med. 2022 Jul 27;15:6301-6307. doi: 10.2147/IJGM.S374246. PMID: 35924178;PMCID: PMC9343174.

12: Cavusoglu Turker B, Turker F, Ahbab S, Hoca E, Tahmaz M, Ataoğlu HE. Serumalbumin and FT3/FT4 ratio as additional co-morbidity parameters to predict mortality as a new approach: The Haseki Scoring Index (updated CharlsonComorbidity Index). PLoS One. 2022 Mar 14;17(3):e0264724. doi:10.1371/journal.pone.0264724. PMID: 35286325; PMCID: PMC8920220.

13: Türker F, Sahın T, Oral A, Koçak E, Çavuşoğlu Türker B, Niğdelioğlu A, EsraAtaoğlu H. Evaluation of Predisposing Metabolic Risk Factors for PortopulmonaryHypertension in Patients with NASH Cirrhosis. Int J Gen Med. 2022 Jan25;15:859-865. doi: 10.2147/IJGM.S339474. PMID: 35115812; PMCID: PMC8800581.

14: Türker F, Oral A, Şahin T, Türker BÇ, Koçak E, Ataoğlu HE, Ahbab S. Does theFT3-to-FT4 ratio easily predict the progression of NAFLD and NASH cirrhosis? Jnt Med Res. 2021 Nov;49(11):3000605211056841. doi: 10.1177/03000605211056841.PMID: 34763561; PMCID: PMC8593317.

15. Sahin T, Oral A, Turker F, Kocak E. Can hypothyroidism be a protective factor for hepatocellular carcinoma in cirrhosis? Medicine (Baltimore). 2020 Mar;99(11):e19492. doi: 10.1097/MD.0000000000019492. PMID: 32176089; PMCID:PMC7440066.

16: Oral A, Sahin T, Turker F, Kocak E. Evaluation of Plateletcrit and Platelet Distribution Width in Patients with Non-Alcoholic Fatty Liver Disease: A Retrospective Chart Review Study. Med Sci Monit. 2019 Dec 23;25:9882-9886. doi:10.12659/MSM.920172. PMID: 31868169; PMCID: PMC6939442.

17: Oral A, Sahin T, Turker F, Kocak E. Relationship Between Serum Uric Acid Levels and Nonalcoholic Fatty Liver Disease in Non-Obese Patients. Medicina (Kaunas). 2019 Sep 17;55(9):600. doi: 10.3390/medicina55090600. PMID: 31533345; PMCID: PMC6780528.

18: Marso SP, Bain SC, Consoli A, Eliaschewitz FG, Jódar E, Leiter LA, Lingvay I, Rosenstock J, Seufert J, Warren ML, Woo V, Hansen O, Holst AG, Pettersson J, Vilsbøll T; SUSTAIN-6 Investigators. Semaglutide and Cardiovascular Outcomes in Patients with Type 2 Diabetes. N Engl J Med. 2016 Nov 10;375(19):1834-1844. doi: 10.1056/NEJMoa1607141. Epub 2016 Sep 15. PMID: 27633186.

19: Gökmen FY, Ahbab S, Ataoğlu HE, Türker BÇ, Çetin F, Türker F, Mamaç RY, Yenigün M. FT3/FT4 ratio predicts non-alcoholic fatty liver disease independent of metabolic parameters in patients with euthyroidism and hypothyroidism. Clinics (Sao Paulo). 2016 Apr;71(4):221-5. doi: 10.6061/clinics/2016(04)08.PMID: 27166773; PMCID: PMC4825197.

NATIONAL / TR-INDEX PUBLICATIONS

1. Evaluation of Patients with Hepatic Cirrhosis due to Etiology for the Complication

Volume: 4Number: 4October 29, 2024 Betül Çavuşoğlu *, Tolga Şahin , Fatih Türker

2. An Independent Predictor of Mortality in Hospitalized Patients: Vitamin B12 Research Article Betül

Çavuşoğlu, Kübra Solmaz, Fatih Türker, Esra Ataoğlu (2024), DAHUDER Medical Journal, Volume 4,

Issue 3, 2024, 64 - 70, 10.56016/dahudermj.1494846

3. Evaluation of Metabolic Parameters of Gestational Diabetic Patients in Postpartum Period F Türker, BÇ Türker, S Ahbab, E Ataoğlu Haseki Medical Bulletin 56 (2), 136

4. Retrospective analysis of predictive factors for hepatocellular carcinoma development in patients with cirrhosis due to Hepatitis C F Türker, B Çavuşoğlu, T Şahin Anatolian Clinic the Journal of Medical Sciences 27 (2), 204-208

5. Clinical characteristics and outcomes of hospitalized COVID-19 patients with diabetes: A multi-center, retrospective study in Turkey F Türker, S Ahbab, BÇ Türker, E Ataoğlu, S Öztürk Cumhuriyet Medical Journal 43 (4), 384-395

6. Evaluation of dermatology consultations in internal medicine wards: an analysis of 510 cases from a tertiary center TO Akbulut, H Suslu, F Turker, T Atci The Medical Bulletin of Haseki

7. Evaluation of the association between gastrointestinal symptoms and laboratory outcomes in hospitalized covid-19 patients S Ahbab, F Turker, BC Turker, AC Kula, FP Ziyadanoglu, P Acar, EC Ak, ..The Medical Bulletin of Haseki

8. Predictive Value of Neutrophil-to-Lymphocyte Ratio and Prognostic Nutritional Index for Mortality in COVID-19 Patients: A Retrospective Study BÇ TÜRKER, H Emre, EÇ ÖZTÜRK, F TÜRKER, HE ATAOĞLU Namık Kemal Medical Journal

9. Hepatocellular Cancer and Liver Transplantation; Is There Any Novelty in Prognostic Factors For Survival and Recurrence? E Anılır, A Oral, F Türker, T Şahin, Y Yüzer, Y Tokat Acıbadem University Journal of Health Sciences 15 (1), 24-30

10. Non-Alcoholic Fatty Liver and Fatty Pancreas Diseases Associate with Acute Pancreatitis S Ahbab, A Keskin, E Hoca, E Ataoğlu, TS Can, F Türker, B Çavuşoğlu Cumhuriyet Medical Journal 44 (4), 436-442

11. Serum Cortisol May Serve as a Novel Predictor of Hospital Length of Stay for COVID-19 Patients F Türker, S Ahbab, B Çavuşoğlu, AC Kula, RD Alçelik, HE Ataoglu Southern Clinics of Istanbul Eurasia 33 (3)

OTHER/INTERNATIONAL PUBLICATIONS

1. Low serum vitamin D associated with prediabetes R Ayhan, BÇ Türker, S Ahbab, F Türker, HE Ataoğlu Int J Community Med Public Health 5 (9), 3776-81

2. Evaluation of Patients with Hepatic Cirrhosis due to Etiology for the Complication B Çavuşoğlu, T Şahin, F Türker DAHUDER Medical Journal 4 (4), 83-88

3. An Independent Predictor of Mortality in Hospitalized Patients: Vitamin B12 B Çavuşoğlu, K Solmaz, F Türker, E Ataoğlu DAHUDER Medical Journal 4 (3), 64-70

4. Diabetes Management in Cerebrovascular Disease Patients BÇ TÜRKER, F TÜRKER Turkiye Klinikleri Endocrinology-Special Topics 17 (2), 19-23

5. A Case of Autoimmune Hepatitis Presenting with Fever and Bicytopenia A Oral, F Türker DAHUDER Medical Journal 2 (1), 24-27

6. Follow-up of Cardiovascular Diseases in Primary Care F TÜRKER, BÇ TÜRKER Turkiye Klinikleri Family Medicine-Special Topics 11 (4), 1-5

6. Correlation between pulmonary function tests and inflammatory markers in familial mediterranean fever patients T Saler, M Coşkun, S Ahbab, B Çağlayan, ZA Sağlam, BÇ Türker, F.turker International Journal of Community Medicine and Public Health 6 (2), 468

7. A case of azathioprine-related acute pancreatitis and drug-induced acute pancreatitis A Oral, F Türker, E Koçak, A Tunçkale Demiroğlu Bilim University Florence Nightingale Journal of Medicine 5 (2), 101-104

8. Macroamylasemia: A rare diagnosis A Oral, A Akin, F Türker, A Tunçkale Demiroglu Science University Florence Nightingale Journal of Medicine

9. ANTIDIABETIC AGENT CHOICE IN A LOCAL HOSPITAL'S INTERNAL MEDICINE OUTPATIENT CLINIC NEAR ISTANBUL HEA Fatih Türker, Betül Çavuşoğlu Türker , Süleyman Ahbab International Journal of Basic and Applied Medical Sciences 8 (1), 1-3

10. Retroperitoneal Myelolipoma-related Cushing's Syndrome. B Çavuşoğlu, S Ahbab, F Türker, E Ataoğlu, M Yenigün, E Çakır Medical Bulletin of Haseki/Haseki Tip Bulteni 54 (4)

11. Retroperitoneal Myelolipoma-related Cushing's Syndrome. Çavuşoğlu, S Ahbab, F Türker, E Ataoğlu, M Yenigün, E Çakır Medical Bulletin of Haseki/Haseki Tip Bulteni 54 (4)

12. HYPERTRIGLYCERIDEMIA RELATED ACUTE NECROTIZING PANCREATITIS: A CASE REPORT S Ahbab, A Atay, F Türker

13. An Uncommon Clinical Case with Fanconi Syndrome, Acanthosis Nigricans and Hyperinsulinemia Y Karadeniz, S Ahbab, A Celik, F Turker, R Ayhan, A Atay Journal of Medical Cases 4 (12), 831-833

Memberships

  •  The Turkish Association of Internists (DAHUDER) 
  •  EFIM (European Federation of Internal Medicine)

Areas of Expertise

  •  Internal Medicine
  •  Holistic Management and Evaluation of Adult Diseases
  •  Chronic Patient Care and Follow-up

Clinical Competencies

  •  Geriatric patient management
  •  Holistic approach to adult diseases
  •  Holistic management of comorbid chronic diseases
  •  Supportive and palliative treatment approaches

Scientific Areas of Interest

  •  Chronic liver diseases
  •  Diabetes mellitus and its complications
  •  The effect of various inflammation and nutritional indices on mortality
  •  Treatment efficacy with real-life data 

Scientific Activities

  •  Over 19 scientific publications in SCI/SCI-E indexed journals
  •  Authorship of book chapters
  •  Editorship and peer review for prestigious foreign and domestic journals
  •  Membership in multicenter scientific research projects
  • SUSTAIN6 - A long-term, randomized, double-blind, placebo-controlled, multinational, multicenter study evaluating cardiovascular and other long-term outcomes with semaglutide in volunteers with type 2 diabetes.
  •  DUAL VIII - A 104-week, multinational, multicenter study comparing the long-term glycemic control of Insulin Degludec/Liraglutide (IDegLira) versus Insulin Glargine treatment in patients with type 2 diabetes. (Code: NN9068-4228).
  •    CARDIOVASCULAR ENDPOINT STUDY OF SOUL-SEMAGLUTIDE IN PATIENTS WITH TYPE 2 DIABETES, MULTINATIONAL MULTICENTER (APPROVAL CODE: EX9924-4473).
  •    A STUDY COMPARING THE EFFICACY AND SAFETY OF ONCE-DAILY INSULIN DEGLUDEC AND INSULIN ASPART IN VOLUNTEERS WITH TYPE 2 DIABETES WHO HAD NOT PREVIOUSLY USED INSULIN, USING TWO DIFFERENT TITRATION ALGORITHMS (NN5401 3844 PHASE 3B)

Additional Information

  • Diagnosis and follow-up of chronic diseases in advanced age