Specialist M.D. Hayretdin KÖKLÜ

2009-2014 Gazi University Hospital (U.S.A. of Internal Medicine, Research Assistant)
2014-2015 Yenimahalle Training and Research Hospital, (Internal Diseases USA, Specialist Dr.)
2015-2021 Hacettepe University Hospital (Department of Internal Medicine, Department of Gastroenterology, Internal Medicine Specialist, Gastroenterology Research Assistant)

2021-2022 Ankara Magnet Hospital (Internal Medicine Specialist Dr.)

2022- Koru Ankara Hospital (Internal Medicine Specialist Dr.)

Esophagus, Stomach and Intestinal Diseases
Liver, Pancreas, Gallbladder, Bile Tract Diseases
Diabetes Mellitus, Thyroid/Pituitary/Adrenal Gland Diseases
Hypertension, Hyperlipidemia, Kidney Diseases
Anemia and other Hematological Diseases

Muscle and Joint Diseases, Osteoporosis

Diagnosis of Oncological Diseases, Autoimmune Diseases

Infectious and Inflammatory Diseases

1- Chronic Diarrhea Related to Colonic Malakoplakia Successfully Treated with Budesonide in a Kidney Transplant Recipient. Koklu H, Imamoglu E, Tseveldorj N, Sokmensuer C, Kav T. Am J Gastroenterol. 2018 Dec;113(12):1906-1908. doi: 10.1038/s41395-018-0382-3. PMID: 30356178

2- An Unexpected Cause of Acute Enteritis in a Patient with Pure Red Cell Aplasia Parvovirus B19-Associated Acute Enteritis. Koklu H, Buyukeren B, Inkaya AC, Sokmensuer C, Kav T. Am J Gastroenterol. 2018 Apr;113(4):630-632.

3- Paritaprevir/Ritonavir/Ombitasvir Plus Dasabuvir Therapy-Related Severe Anemia.

Koklu H, Pürnak T, Tseveldorj N, Altan E, Şimşek H. Ann Pharmacother. 2018 Apr;52(4):397-398.

4- Ulcerated colonic mass mimicking malignancy in an elderly patient. Koklu H, Imamoglu E, Tseveldorj N, Sokmensuer C, Purnak T, Kav T. Geriatr Gerontol Int. 2018 Apr;18(4):651-653.

5- Multiple liver masses mimicking metastatic liver disease in an elderly patient.

Köklü H, Armağan B, Karadağ Ö, Karcaaltıncaba M, Özgen Kıratlı MP, Gedikoğlu G, Kav T. Turk J Gastroenterol. 2018 Jan;29(1):117-120.

6- Esophageal food impaction with an unexpected meal in an elderly woman.

Koklu H, Altan E, Tseveldorj N, Kav T. Geriatr Gerontol Int. 2017 Dec;17(12):2616-2618.

7- A case with severe acute colitis following colonoscopy. Koklu H, Ozturk O, Kahramanoglu Aksoy E, Sokmensuer C, Koklu S. Gastroenterol Nurs. 2017 Sep/Oct;40(5):421-423.

8- Diverticular disease and posture during defecation : a comparative prospective study. Ozturk O, Koklu H, Akbal E, Aksoy EK, Altan E, Basar O, Yuksel O, Arslan S, Koklu S. Acta Gastroenterol Document. 2018 Oct-Dec;81(4):490-495. PMID: 30645917

9- Recurrent gastric polyposis in a patient using antiepileptic drugs for a long time.

Ozturk O, Koklu S, Koklu H. Gastroenterol Nurs. 2017 Mar/Apr;40(2):152-153.

10- An unusual complication in a patient with ulcerative colitis. Köklü H, Kahramanoğlu Aksoy E, Öztürk Ö, Göçmen R, Köklü S. Turk J Gastroenterol. 2017 Mar;28(2):137-139.

11- A giant polypoid mass leading to obstruction in the colon. Köklü H, Öztürk O, Köklü S, Sağlam A, Karcaaltincaba M, Kılıçkap S. Acta Gastroenterol Document. 2017 Jan-Mar;80(1):93-94.

12- A rare cause of severe gastrointestinal bleeding in a thrombocytopenic patient with acute myeloid leukemia. Köklü H, Aksoy EK, Öztürk Ö, Bayraktar Y, Köklü S.

Turk J Gastroenterol. 2017 Jan;28(1):63-64.

13- Succesful treatment of chronic hepatitis C virus infection with daclatasvir and asunaprevir in a transfusion dependent thalassaemia patient. Köklü H, Köklü S, Ozturk O, Aksoy EK, Tseveldorj N. Acta Gastroenterol Document. 2016 Sep-Dec;79(4):501-502.

14- Hereditary angioedema: A rare cause of pancreatitis. Aksoy EK, Koklu S, Ozturk O, Koklu H, Karcaaltincaba M, Sezgin O. Clin Res Hepatol Gastroenterol. 2016 Sep;40(4):e48-9.

15- Cirrhosis Related to Hepatic Sarcoidosis in Older Adults. Koklu H, Koklu S, Ozturk O, Kahramanoglu Aksoy E, Karcaaltıncaba M, Sokmensuer C. J Am Geriatr Soc. 2016 Aug;64(8):1747-8.

16- Nutritional habits in functional dyspepsia and its subgroups: a comparative study. Göktaş Z, Köklü S, Dikmen D, Öztürk Ö, Yılmaz B, Asil M, Korkmaz H, Tuna Y, Kekilli M, Karamanoğlu Aksoy E, Köklü H, Demir A, Köklü G, Arslan S. Scand J Gastroenterol. 2016 Aug;51(8):903-7. doi: 10.3109/00365521.2016.1164238.

17- Right- versus Conventional Left-Sided Starting Position for Colonoscopy: The Issues to Be Considered. Koklu H, Koklu S, Ozturk O.

AmJ Gastroenterol. 2016 Jun;111(6):897. doi: 10.1038/ajg.2016.62. No abstract available.

18- Therapy-Related Spontaneous Pectoral Muscle Hematoma: A Case Report and Review of the Literature. Koklu H, Oge Koklu N, Aksoy Khurami F, Duman E, Meral A. J Am Geriatr Soc. 2016 May;64(5):1135-7.

19- Helicobacter pylori and metabolic syndrome. Koklu H, Koklu S, Cinar H.

Turk J Gastroenterol. 2016 Mar;27(2):201.

20- DR-70 immunoassay in gastric cancer. Köklü H, Köklü S, Öztürk Ö.

Turk J Gastroenterol. 2016 Jan;27(1):88.

21- Sixty-Eight-Year-Old Man Presenting with Concurrent Microscopic Polyangiitis and Prostate Cancer. Kucuk M, Koklu H, Ozkazanc G, Erkul Y, Koklu NO, Derici U, Gonul II.

J Am Geriatrics Soc. 2015 Aug;63(8):1716-7.

22- Secondary acute myeloid leukemia arising early after cyclophosphamide treatment.

Koklu H, Tufan A, Erkul Y, Akyurek N, Civelek R. Int J Clin Pharm. 2015 Apr;37(2):289-91.

23- Differences in nephrotoxicity risk and renal effects among anti-viralk against hepatitis B. Koklu S, Gulsen MT, Tuna Y, Kolu H, Yuksel O, Demir M, Guner R, Dogan Z, Kucukazman M, Poyrazoglu OK, Biyik M , Ozturk NA, Aydogan T, Coban S, Kocaman O, Sapmaz F, Gokturk SH, Karaca C, Demirezer A, Tanoglu A, Yildirim B, Altinbas A, Atak BM, Cosar AM, Alkan E; Other collaborators. Aliment Pharmacol Ther. 2015 Feb;41(3):310-9.

24- Intestinal perforation as the initial presentation of polyarteritis nodosa in an older adult.

Buldukoglu OC, Koklu S, Koklu H, Uluoglu O, Kulduk G. Geriatr Gerontol Int. Jan 2015;