Doç. Dr.

Hakan Koçoğlu

Internal Diseases

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Liv Hospital Vadistanbul
Interests

  • Obesity Treatment
  • Fatty Liver
  • Thyroid Diseases
  • Diagnosis and Treatment of Anemia
  • Hypertension Diagnosis and Treatment
  • Clinical Ultrasonography (POCUS)
  • Insulin resistance & Hidden Sugar
  • Diabetes Mellitus
  • Cancer and Cancer Screenings
  • Gastritis & Ulcer
  • Hyperlipidemia (Cholesterol & Triglycerides)
  • Vitamin & Mineral Supplements
  • Allergy
  • Irritable Bowel Syndrome (IBS), SIBO (Small Intestinal Bacterial Overgrowth)
  • Digestive Disorders
  • Kidney Failures
  • Holistic Approach to Chronic Diseases
  • Osteoporosis
  • Healthy Life Suggestions

Education:
  • Istanbul University, Istanbul Faculty of Medicine (1999-2005)
  • Şişli Hamidiye Etfal Training and Research Hospital, Internal Medicine Clinic (2005-2011)
  • 2009, Research Fellow (Department of Rheumatology, Tsokos Lab) and Internal Medicine Preliminary Residency, Harvard Medical School, BIDMC, Boston, Massachusetts, USA
Experience:
  • 2023- Liv Hospital Vadistanbul Hospital, Internal Medicine Specialist
  • 2021-2023, Memorial Service Hospital, Internal Medicine Specialist and Chief Physician
  • 2015-2021, Bakırköy Dr Sadi Konuk Training and Research Hospital, Internal Medicine Specialist and Internal Medicine Clinic Trainer
  • 2011-2014, Babaeski State Hospital, Internal Medicine Specialist and Chief Physician (Compulsory Service)
Research:
  • Tarik ERCAN, (2018) (Specialization Thesis Advisor). Evaluation of Serum Salusin Alpha and Beta Levels in Diabetic Patients, Bakirkoy Dr. Sadi Konuk Education and Research, Dept. of Internal Medicine, Istanbul, Turkey
  • Kamala GANJALIYEVA, (2016) (Specialization Thesis Advisor). Evaluation of the Epidemiological, Clinical and Laboratory Features of Chronic Myeleproliferative Diseases in a Large Turkish Patient Group and Determination of Their Relationship with Cardiovascular Risk Factors, Bakirkoy Dr. Sadi Konuk Education and Research, Dept. of Internal Medicine, Istanbul, Turkey
  • Serkan Enki, (2017) (Specialization Thesis Advisor). Investigation of Malnutrition Prevalence, Physician's Awareness of Malnutrition, Concomitant Diseases and Outcomes in Internal Medicine In-patient Clinics, Bakirkoy Dr. Sadi Konuk Education and Research, Dept. of Internal Medicine, Istanbul, Turkey
  • Buğrahan Erdoğdu (2020) (Specialization Thesis Advisor). The Effect of Low Molecular Weight Heparin (LMWH) Treatment on Mortality in the Treatment of COVID-19, Bakirkoy Dr. Sadi Konuk Education and Research, Dept. of Internal Medicine, Istanbul, Turkey
  • Sevde Yazıci (2021) (Specialization Thesis Advisor). Prevalence of obesity, insulin resistance, thyroid dysfunction, hepatosteatosis, pituitary-adrenal axis alterations, and microvascular and macrovascular complications of diabetes in pre-diabetic patients, Bakirkoy Dr. Sadi Konuk Education and Research, Dept. of Internal Medicine, Istanbul, Turkey
Publications:
  • Gunaldi, Meral; Afsar, Cigdem Usul; Okuturlar, Yıldız; Gedikbasi, Asuman; Kocoglu, Hakan; Kural, Alev; Stream, Ore; Gunduz, Umut; Tiken, Elif Eda; ,Elevated serum levels of heat shock protein 70 are associated with breast cancer,The Tohoku Journal of Experimental Medicine,236,2,97-102,2015,Tohoku University Medical Press
  • Harmankaya, Ozlem; Okuturlar, Yıldız; Kocoglu, Hakan; Kaptanoğulları, Hakan; Yucel, Sibel Kocak; Ozkan, Hanise; Acarer, Didem; Erdogan, Ezgi; Yilmaz, Murvet; Hursitoglu, Mehmet; ,Renal biopsy in the elderly: a single-center experience,International urology and nephrology,47,1397-1401,2015,Springer Netherlands
  • Harmankaya, Ozlem; Akalin, Nilgul; Akay, Hatice; Okuturlar, Yıldız; Erturk, Kayhan; Kaptanoğulları, Hakan; Kocoglu, Hakan; ,Comparison of risk factors for cardiovascular disease in hemodialysis and peritoneal dialysis patients,Clinics,70,,601-605,2015,Faculdade de Medicina/USP
  • Gunaldi, Meral; Isiksacan, Nilgun; Kocoglu, Hakan; They make you read, Yıldız; Gunaldi, Omur; Topcu, Turkan Ozturk; Karabulut, Mehmet; ,The value of serum survival level in early diagnosis of cancer,Journal of Cancer Research and Therapeutics,14,3,570-573,2018,Medknow
  • Saler, Tayyibe; Yesim, Tijen; Ucak, Sema; Yenigun, Mustafa; Ataoglu, Esra; Kocoglu, Hakan; Altuntas, Yuksel; ,Impact of hyperglycaemia on carotid intima-media thickness in acromegaly,Endocrine Abstracts,16, 2008,Bioscientifica
  • Saler, Tayyibe; Yesim, Tijen; Ucak, Sema; Yenigun, Mustafa; Ataoglu, Esra; Kocoglu, Hakan; Altuntas, Yuksel; ,Heel pad thickness in diabetic and nondiabetic acromegalic patients,Endocrine Abstracts,16, 2008,Bioscientifica
  • Kocoglu, Hakan; Oguz, Basak; Dogan, Hakan; They make you read, Yıldız; Hursitoglu, Mehmet; Harmankaya, Ozlem; Altuntas, Yuksel; Kumbasar, Abdulbaki; ,Do NSAIDs and ASA cause more upper gastrointestinal bleeding in elderly than adults?,Gastroenterology Research and Practice,2016, 2016,Hindawi
  • Dogan, Hakan; Harman, Ece; Kocoglu, Hakan; Sargin, Gokhan; ,Can metabolic control variables of diabetic patients predict their quality of life?,Journal of the American Society of Hypertension,10,1,81-88,2016,Elsevier
  • Karaca, Mustafa; Tural, Deniz; Kocoglu, Hakan; Selcukbiricik, Fatih; Bilgetekin, Irem; Summary, Ahmet; ,Adjuvant chemotherapy for gastric cancer in elderly patients has same benefits as in younger patients,Journal of Cancer Research and Therapeutics,14,3,593-596,2018,Medknow
  • Gunaldi, Meral; Kocoglu, Hakan; They make you read, Yıldız; Gedikbasi, Asuman; Karabulut, Mehmet; Alis, Halil; Hursitoglu, Mehmet; ,Heat shock protein 70 is a useful marker for predicting colorectal cancer,J BUON,20,6,1464-1470,2015,
  • Serin, Sibel Ocak; They make you read, Yıldız; Gedikbasi, Asuman; Demir, Esra; Utku, Irem; Kocoglu, Hakan; Ucak, Sema; Harmankaya, Ozlem; ,Serum Matrix Metalloproteinase-9 Levels And Cardiovascular Risk Rates In Subjects With Metabolic Syndrome,Acta Medica,31,1271,2015,
  • Kocoglu, Hakan; Velibeyoglu, Fatih Mehmet; Karaca, Mustafa; Tural, Deniz; ,Clinical efficacy and drug resistance of anti-epidermal growth factor receptor therapy in colorectal cancer,World Journal of Gastrointestinal Oncology,8,1,1,2016,Baishideng Publishing Group Inc
  • Kocoglu, Hakan; Karaca, Mustafa; Tural, Deniz; Hocaoglu, Erhan; They make you read, Yıldız; Fetullahoglu, Zeynep; Gunaldi, Meral; Ciftci, Rumeysa; Danube, War; Yuce, Orhan Kemal; ,Hepatitis B and C rates are significantly increased in certain solid tumors: A large retrospective study,Journal of Cancer Research and Therapeutics,14,Suppl 3,S774-S778,2018,Medknow
  • Topcu, T.Urkan Ozturk; Ozdemir, Feyyaz; Kavgaci, Halil; Gunaldi, Meral; Kocoglu, Hakan; Imamoglu, Goksen Inanc; Mentese, Ahmet; Yaman, Serap Ozer; Orem, Asim; Aydin, Fazil; ,The clinical importance of serum urokinase plasminogen activator receptor and carbonic anhydrase IX levels and the effect of anthracycline-based adjuvant chemotherapy on these biomarkers in breast cancer,Journal of Cancer Research and Therapeutics,14,3,608-613,2018,Medknow
  • They make you read, Yıldız; Gunaldi, Meral; Kocoglu, Hakan; Hursitoglu, Mehmet; Gedikbasi, Asuman; Acarer, Didem; Harmankaya, Ozlem; Kumbasar, Abdulbaki; ,Serum paraoxonase and arylesterase can be useful markers to predict neoadjuvant chemotherapy requirement in patients with breast cancer,Journal of Cancer Research and Therapeutics,14,Suppl 2,S362-S367,2018,Medknow
  • Topcu, Turkan Ozturk; Kavgaci, Halil; Gunaldi, Meral; Kocoglu, Hakan; Akyol, Murat; Mentese, Ahmet; Yaman, Serap Ozer; Orem, Asim; Ozdemir, Feyyaz; Aydin, Fazil; ,The clinical importance of serum galectin-3 levels in breast cancer patients with and without metastasis,Journal of Cancer Research and Therapeutics,14,Suppl 3,S583-S586,2018,Medknow
  • They make you read, Yıldız; Akalin, Nilgul; Kaptanogullari, Ozlem Harmankaya; Guner, Nurten Turan; Yilmaz, Deniz; Gedikbasi, Asuman; Soyluk, Özlem; Mert, Meral; Serin, Sibel Ocak; Kocoglu, Hakan; ,Comparison of serum paraoxonase and arylesterase activities between iron deficiency anemia patients and chronic kidney disease patients with anemia,Renal failure,38,5,781-786,2016,Taylor & Francis
  • Kocoglu, H; Tural, D; ,"About the article:"" Cutaneous melanoma in Turkey: analysis of 1157 patients in the Melanoma Turkish Study"" by Abali et al.",Journal of BU ON.: Official Journal of the Balkan Union of Oncology,21,1,285- 286,2016,
  • Kocoglu, H; Tural, D; ,About the article “Hepatic steatosis is associated with higher incidence of liver metastasis in patients with metastatic breast cancer
  • Kocoglu, Hakan; Dogan, Hakan; Oguz, Basak; Serin, Sibel Ocak; They make you read, Yıldız; Gunaldi, Meral; Erismis, Betul; Ozdemir, Bahar; Tural, Deniz; Hursitoglu, Mehmet; ,"Comparison of Survival Rates, Tumor Stages and Localizations in Between Obese and Non-Obese Patients with Gastric Cancer",Gastroenterology Research and Practice,Article ID 9382750,doi:10.1155/2016/9382750,2016,
  • Gündüz, Umut Riza; Gunaldi, Meral; Isiksacan, Nilgun; Gündüz, Seyda; They make you read, Yıldız; Kocoglu, Hakan; ,"A new marker for breast cancer diagnosis, human epididymis protein 4: A preliminary study",Molecular and clinical oncology,5,2,355-360,2016,Spandidos Publications
  • Danube, War; Mert, Meral; Soyluk, Özlem; They make you read, Yıldız; Kocoglu, Hakan; Tastekin, Didem; ,The relationship of beck depression inventory with vitamin D levels and visceral fat mass in cancer patients,International Journal of Clinical and Experimental Medicine,9,5,8719-8724,2016,
  • Serin, Sibel Ocak; Kocoglu, Hakan; They make you read, Yıldız; Dogan, Hakan; Gedikbasi, Asuman; Utku, Irem Kirac; Demir, Esra; Yesil, Ezgi Ersoy; Koc, Guven; Eyupgiller, Tulay; ,Comparison of serum thyroid stimulating hormone and anti-thyroid peroxidase antibody levels in euthyroid subjects with and without metabolic syndrome,Endocrine Abstracts,41,2016,Bioscientifica
  • They make you read, Yıldız; Kocoglu, Hakan; Seker, Omer; Erismis, Betul; Ozdemir, Bahar; Mert, Meral; Serin, Sibel Ocak; Hursitoglu, Mehmet; Harmankaya, Ozlem; Kumbasar, Abdulbaki; ,The importance of gender difference in evaluation of relationship between MPV and serum biochemical parameters in type 2 diabetic patients,Endocrine Abstracts,41,2016,Bioscientifica
  • Kocoglu, Hakan; They make you read, Yıldız; Sayilan, Samet; Ozkan, Hanise; Yilmaz, Deniz; Ganglaliyeva, Kamala; Demir, Esra; Utku, Irem Kirac; Hursitoglu, Mehmet; Harmankaya, Ozlem; ,Risk factors for mortality in elderly diabetic patients with pneumonia,Endocrine Abstracts,41,2016,Bioscientifica
  • Ozkan, Hanise; They make you read, Yıldız; Kocoglu, Hakan; Utku, Irem Kirac; Demir, Esra; Harmankaya, Ozlem; Palaz, Mehmet; Oztosun, Bugra; Mert, Meral; Kudu, Aysegul; ,Evaluation of thyroid function tests in patients with acute kidney injury,Endocrine Abstracts,41,2016,Bioscientifica
  • Sayilan, Samet; Mert, Meral; Sayylan, Aylin Aydin; Ozturk, Ebru; They make you read, Yıldız; Kocoglu, Hakan; ,The relationship between androgen levels and NLR in hirsutism,Endocrine Abstracts,41,2016,Bioscientifica
  • Genc, Tugrul Burak; They make you read, Yıldız; Kocoglu, Hakan; Sayilan, Samet; Inan, Yesim Ozdem; Erdogan, Ezgi; Mert, Meral; Erismis, Betul; Ozdemir, Bahar; Harmankaya, Ozlem; ,A rare case of acute renal failure: rhabdomyolysis due to hyperosmolar hyperglycemic state,Endocrine Abstracts,41,2016,Bioscientifica
  • Karaca, Mustafa; Kocoglu, Hakan; Bilgetekin, Irem; Ozet, Ahmet; Sahinli, Hayriye; Demir, Hacer; Kankoc, Aykut; Tural, Deniz; Yucel, Orhan Kemal; ,Ventricular bigeminal rhythm associated with trastuzumab: A potential cardiac side effect,Journal of cancer research and therapeutics,14,Suppl 2,S536-S537,2018,Medknow
  • Kocoglu, Hakan; Karaca, Mustafa; Turkay,It was Russian; Tural, Deniz; ,Erlotinib as first line treatment in a NSCLC patient with choroidal metastasis and with EGFR exon 19 deletion,Journal Of Buon,21,3,,2016,
  • Koçoğlu, Hakan; YILDIRIM, Betül; They make you read, Yıldız; Hurşitoğlu, Mehmet; Harmankaya, Özlem; ,Purple urine bag syndrome in a male patient with chronic hemodialysis,Balkan medical journal,33,6,717-718,2016,Trakya University
  • Koçoğlu, Hakan; They make you read, Yıldız; Oguz, Virgo; Öztürk, Ebru; Altuntaş, Yuksel; Hurşitoğlu, Mehmet; Harmankaya, Özlem; Kumbasar, Abdulbaki; ,Cost Analysis of Patients with Upper Gastrointestinal Hemorrhage,Journal of Clinical and Analytical Medicine,2015,
  • Velipasalar, Ozge; Kocoglu, Hakan; Hursitoglu, Mehmet; Tural, Deniz; ,A young woman with metastatic colon cancer presenting with elevated serum beta human chorionic gonadotropin,Journal of BU ON.: official journal of the Balkan Union of Oncology,22,3,805-806,2017,
  • Tural, Deniz; Karaca, Mustafa; Hacioglu, Bekir; Bilgetekin, Irem; Bilgin, Burak; Kocoglu, Hakan; Ozet, Gulsum; Erdogan, Bulent; Sendur, Mehmet Ali Nahit; Aytekin, Aydin; ,Receptor discordance after neoadjuvant chemotherapy and its impact on disease-free survival.,,,,,2016,American Society of Clinical Oncology
  • Tural, Deniz; Karaca, Mustafa; Kocoglu, Hakan; summary, Gulsum; Yücel, Orhan Kemal; Ciftci, Rumeysa; Benekli, Mustafa; Ozet, Ahmet; ,Hepatitis B and C positivity rates in solid tumors and reactivation rates due to cytotoxic chemotherapy,2016,American Society of Clinical Oncology
  • Gunaldi, Meral; Kose, Fatih; Blacksmith, Nebi Serkan; Gunduz, Seyda; Özdemir, Nuriye; Kocoglu, Hakan; They make you read, Yıldız; Sedef, Ali Murat; Erdem, Dilek; Goksu, Sema Sezgin; ,Effect of adding taxane to platinum-5-fluorouracil combination on survival in elderly patients with advanced gastric cancer: A retrospective-multicenter study,2016,American Society of Clinical Oncology
  • Kocoglu, HOY; Yazici, Z; Hursitoglu, M; Harmankaya, O; Pehlivan, B; ,Successful treatment of rhinocerebral mucormycosis with combination of liposomal amphotericin B and caspofungin (LAmB-C): an anecdotal clinical experience that deserves further investigations,Eurasian J. Med. Oncol,1,3,172-174,2017,
  • Kursat, Firuze Midi; They make you read, Yıldız; Kursat, Hakan; Koçoğlu, Hakan; Bahtiyar, Ismet; Özdemir, Bahar; Erişmiş, Betül; Mert, Meral; Hurşitoğlu, Mehmet; Harmankaya, Özlem; ,Extrapulmonary Tuberculosis: Two Case Reports,Haseki Tip Bulteni,55,3,239,2017,Galenos Publishing House
  • Hursitoglu, Mehmet; Ali, EKIZ; Fatih, METE; THEY READ, Yıldız; Kocoglu, Hakan; DUMANLI, Guleren; CAKİRCA, Mustafa; Anataca, Gulden; Oguzhan, KURU; Dogan, Serkan; ,Plasma Urotensin II concentration in gestational diabetes,Archives of Clinical and Experimental Medicine,2,3,66-70,2017,Mustafa HASBAHÇECİ
  • Erised, B; Ozdemir, B; Kocoglu, H; Okuturlar, Y; Kaya, H; ,Management of hypertriglyceridemia in uncontrolled type 2 diabetes mellitus patients: 2 case studies,J Diabetes Metab Disord Control,3,4,71-72,2016,
  • Hursitoglu, Mehmet; Kocoglu, Hakan; Demir, Kezban; They make you read, Yıldız; Hursitoglu, Mehmet; ,Medicine Correspondence Blog, Letter to the Editor: Using of decision aids and algorithms in reporting adverse drug reactions, Medicine, Wednesday, December 9, 2015
  • Abunahlah, Nibal; Abimbola, Aisha; They make you read, Yıldız; Breen, Meltem; Koçoğlu, Hakan; ,Analysis of the use of heparin and the related incidence of heparin-induced thrombocytopenia in a Turkish Hospital,2018,Springer
  • Gunaldi, Meral; Kose, Fatih; Blacksmith, Nebi Serkan; Gunduz, Seyda; Ozdemir, Nuriye; Kocoglu, Hakan; They make you read, Yıldız; Sedef, Ali Murat; Erdem, Dilek; Goksu, Sema Sezgin; ,Adding taxane to platinum-5-fluorouracil combination does not improve survival rate in patients≥ 65 years of age with advanced gastric cancer: A retrospective-multicenter study,Journal Of Buon,23,2,416-421,2018,"IMPRIMATUR PUBLICATIONS 30 DEM POLIORKETES ST, ATHENS, 136 76, GREECE"
  • They make you read, Yıldız; Kocoglu, Hakan; Serin, Sibel Ocak; Ercan, Tarik; Hursitoglu, Mehmet; Mert, Meral; Ozdemir, Bahar; Erismis, Betul; Gedikbasi, Asuman; Harmankaya, Ozlem; ,TWEAK levels in patients with prediabetes and diabetes mellitus,Endocrine Abstracts,56,2018,Bioscientifica
  • Karakaya, Pınar; Özdemir, Bahar; Meral, MERT; Koçoğlu, Hakan; Kumbasar, Abdulbaki; ,The relationship between atrial natriuretic peptide and microvascular complications of diabetes,The European Research Journal,5,1,14-19,2018,
  • Hursitoglu, Mehmet; Erdal, Gulcin Sahingoz; Akdeniz, Esra; Kocoglu, Hakan; Kocamaz, Nursel; Tevetoglu, Isil Ozbas; Yucel, Haluk; Harmankaya, Ozlem; Guven, Aytekin; Akarsu, Murat; ,Early effect of the fear of terrorism on a hospital's emergency department use and on the incidence of cardiovascular events: A Turkish multicenter study,The International Journal of Health Planning and Management,34,2,872-879,2019,
  • Kursat, Firuze Midi; Yıldız Okuturlar, Hakan Kursat; Koçoğlu, Hakan; Bahtiyar, İsmet; Özdemir, Bahar; Erişmiş, Betül; Mert, Meral; Hurşitoğlu, Mehmet; Harmankaya, Özlem; Kumbasar, Abdulbaki; ,Extrapulmonary Tuberculosis: Two Case Reports,Medical Bulletin of Haseki/Haseki Tip Bulteni,55,3,,2017,
  • Erdal, Gülçin Şahingöz; Karandere, Faruk; MISIROĞLU, Fuat; Tevetoğlu, Işıl Özbaş; They make you read, Yıldız; Koçoğlu, Hakan; Hurşitoğlu, Mehmet; ,Assessment of relationship between serum magnesium and serum glucose levels and HOMA-IR in diabetic and prediabetic patients,Archives of Clinical and Experimental Medicine,4,1,6-9,2019,
  • Abunahlah, Nibal; Abimbola, Aisha; They make you read, Yıldız; ,Use of Heparin and The Related Incidence of Heparin-Induced Thrombocytopenia in an Education and Research Hospital in Turkey,Journal of Clinical and Experimental Investigations,8,3,71-75,2017,Health Research Association
  • Ozkan, Hanise; They make you read, Yıldız; Koçoğlu, Hakan; Hursitoglu, Mehmet; Gedikbasi, Asuman; Utku, İrem K; They make you read, Ozgur; Dogan, Halil; Serin, Sibel O; Harmankaya, Ozlem; ,Serum Levels and Urinary Excretion of Tenascin-C and TIMP-1 in Acute Kidney Injury.,Clinical Laboratory,65,10,,2019,
  • Karakaya, Pinar; Yaprak, Bulent; Ozdemir, Bahar; Kocoglu, Hakan; ,Analysis between Adrenal MRI Mass Size and 1 mg Dexamethasone Suppression Test in Patients with Adrenal Incidentaloma,Medical Laboratory Technology Journal,5,2,108-116,2019,
  • Ozdemir, B; Erised, B; Kocoglu, H; ,Is diabetes mellitus complicated by ketoacidosis in the elderly always latent autoimmune diabetes of the adult,J Diabetes Metab Disord Control,3,4,74-75,2016,
  • Ozdemir, Bahar; Karakaya, Pinar; Yaprak, Bulent; Kocoglu, Hakan; ,Frequency and independent risk factors of sarcopenia in type 2 diabetes,Journal of Clinical Medicine of Kazakhstan,3,53,16-20,2019,JSC National Scientific Medical Center
  • Erismis, Betul; Karabela, Semsi Nur; Minus, Fatma; Karandere, Faruk; Dogan, Bekir; Okay, Fatih; Filiz, Melih; Kocoglu, Hakan; Issever, Halim; Hursitoglu, Mehmet; ,Annual influenza vaccination effect on the susceptibility to COVID-19 infection,Central European journal of public health,29,1,14-17,2021,National Institute of Public Health
  • Erişmiş, Betül; Koçoğlu, Hakan; Fatma, EKŞİ; Yeşilbağ, Zuhal; ÜNLÜ, Esra CANBOLAT; Karandere, Faruk; HAPPY, Melek YALÇIN; Icacan, Ozan Cemal; KARABELA, Semsi; Hurşitoğlu, Mehmet; ,Efficacy of tocilizumab treatment in COVID-19 patients with cytokine release syndrome,Journal of Surgery and Medicine,5,3,269-275,2021
  • Erdal, Gulcin Sahingoz; Kocoglu, Hakan; Karandere, Faruk; Kasapoglu, Pinar; Isiksacan, Nilgun; Hursitoglu, Mehmet; ,The Effect of Polypharmacy on the Charlson Comorbidity Index and Katz Index in Aging People with and without Diabetes Mellitus,The Eurasian Journal of Medicine,53,2,85,2021,Ataturk University School of Medicine
  • Karandere, Faruk; Hursitoglu, Mehmet; Bilgin, Ecenur; Karaali, Zeynep; Erismis, Betul; Kocoglu, Hakan; Unlu, Esra Canbolat; Fearless, Ramadan; Issever, Halim; Yaşar, Kadriye Kart; ,"Comparison of oral anticoagulant users with non-users admission laboratory parameters, length of hospital stay and outcomes in COVID-19 infection", Authorea. Preprint, June 05, 2021.
  • Yilmaz, Deniz; Erismis, Betul; Ustun, Emine Isil; Kocoglu, Hakan; Bes, Cemal; ,How Common is Fibromyalgia in Patients with Hypothyroidism?, Bosphorus Med J 2022;9(3):156–160
  • Korkusuz R, Karandere F, Senoglu S, Kocoglu H, Yasar KK. The prognostic role of D-dimer in hospitalized COVID-19 patients. Bratisl Lek Listy. 2021;122(11):811-815. doi: 10.4149/BLL_2021_129. PMID: 34672673.
  • Korkusuz R, Karandere F, Okay F, Koçoğlu H. Metformin significantly lowers the mortality rate in diabetic COVID-19 patients. Research Square; Europe PMC 2021. DOI: 10.21203/rs.3.rs-1182263/v1. https://europepmc.org/article/ppr/ppr435028
  • Okuturlar Y, Gunaldi M, Kocoglu H, Hursitoglu M, Gedikbasi A, Acarer D, Harmankaya O, Kumbasar A. Serum paraoxonase and arylesterase can be useful markers to predict neoadjuvant chemotherapy requirement in patients with breast cancer. J Cancer Res Ther. 2018 Jun;14(Supplement):S362-S367. doi: 10.4103/0973-1482.235355. PMID: 29970690.
  • KARANDERE, Faruk; KOCOGLU, Hakan; FEARLESS, Ramadan; ERISMIS, Betül; HURSİTOGLU, Mehmet; YASAR, Kadriye KART; ,Association Of ABO And Rh Blood Groups And COVID-19 Susceptibility And Disease Severity In Turkish Population–A Retrospective Case-Control Study,Akdeniz Medical Journal,8,3,257-262,2022,Akdeniz University
  • Polat, Ozlem; Yuruyen, Mehmet; Sonmezoz, Gulru Birce; Kansu, Ahmet Dogukan; Erismis, Betul; Karendere, Faruk; Kocoglu, Hakan; Karabela, Semsinur; Yaşar, Kadriye Kart; ,Malnutrition risk frequency and independent risk factors associated with mortality in hospitalized elderly patients with COVID-19 in Turkey,Asia Pacific Journal of Clinical Nutrition,31,3,355-361,2022,"HEC Press Clayton, Vic."
  • Presentations and Papers Made at National and International Congresses:
  • ÖZKAN HANİŞE, OKUTURLAR YILDIZ, HARMANKAYA ÖZLEM, KOÇOĞLU HAKAN, HURŞİTOĞLU MEHMET, AKALIN NİLGÜL, GEDİKBAŞI ASUMAN, KUMBASAR ABDULBAKİ (2015). Serum Levels And Urinary Excretion Of Tenascin-C And TIMP-1 In Acute Kidney Injury. The 3rd Congress Of Mediterranean Kidney Society (Oral large),
  • SALER TAYYİBE, YEŞİM TİJEN, UÇAK SEMA, YENİGÜN MUSTAFA, ATAOĞLU ESRA, KOÇOĞLU HAKAN, ALTUNTAŞ YÜKSEL (2008). Impact Of Hyperglycaemia On Carotid Intima-Media Thickness In Acromegaly. 10th European Congress of Endocrinology, 16 (Summary paper),
  • YILDIRIM BETÜL, KOÇOĞLU HAKAN, OKUTURLAR YILDIZ, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). Purple Urine Bag Syndrome: A Case Report. 14th European Congress Of Internal Medicine (Summary paper),
  • ÖZTÜRK EBRU, KOÇOĞLU HAKAN, OKUTURLAR YILDIZ, HURŞİTOĞLU MEHMET, DİRİMEN GAMZE, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). The Association Between Insulin Resistance And Magnesium Among Obese And Non-Obese Hypertensive Cases. 14th European Congress Of Internal Medicine (Summary paper),
  • HURŞİTOĞLU MEHMET, EKİZ ALİ, METE FATİH, OKUTURLAR YILDIZ, KOÇOĞLU HAKAN, ÇAKIRCA MUSTAFA, DUMANLI GÜLEREN, ANATACA GÜLDEN, KURU OĞUZHAN, DOĞAN SERKAN, PEHLİVAN BAHAR, TABAK ÖMÜR, YILDIRIM GÖKHAN (2015). Plasma Urotensin II Concentration In Gestational Diabetes. 14th European Congress Of Internal Medicine (Summary paper),
  • GÜNALDI MERAL, LIGHTING NİLGÜN, OKUURLAR YILDIZ, KOÇOĞLU HAKAN, ÖMÜR GÜNALDI (2015). Clinical significance of serum survivin in cancer patients. 4th European Congress of Immunology (Summary paper),
  • OĞUZ BAŞAK, KOÇOĞLU HAKAN, KALKAN KÜBRA, GÜVEN ELİF, ÖZEL ALPER, KARADAĞ BERRİN (2015). A rare cause of hepatic cirrhosis Osler-Weber-Rendu Disease. 14th European Congress Of Internal Medicine (Summary paper),
  • SALER TAYYİBE, YEŞİM TİJEN, UÇAK SEMA, YENİGÜN MUSTAFA, ATAOĞLU ESRA, KOÇOĞLU HAKAN, ALTUNTAŞ YÜKSEL (2008). Heel Pad Thickness In Diabetic And Nondiabetic Acromegalic Patients. 10th European Congress of Endocrinology, 16 (Summary paper),
  • KOÇOĞLU HAKAN, OĞUZ BAŞAK, OKUTURLAR YILDIZ, FETULLAHOĞLU ZEYNEP, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, ALTUNTAŞ YÜKSEL, KUMBASAR ABDULBAKİ (2015). Comparison of  the  Risk  of  Upper  Gastrointestinal  Bleeding  Due  to  Nsai  Drugs  in  Adult  And  Geriatric  Patients. 17th National Internal Medicine Congress,
  • GENÇ TUĞRUL BURAK, KOÇOĞLU HAKAN, ERGÜN GAMZE, FETULLAHOĞLU ZEYNEP, ENKİ SERKAN, OKUTURLAR YILDIZ, AKBAY FATİH GÖKHAN, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, APAYDIN SÜHEYLA, KUMBASAR ABDULBAKİ, FEHMİ FROM HINDI (2015). Atypical Hemolytic Uremic Syndrome: Case Report. 5th Istanbul Internal Medicine Clinics Meeting,
  • ERCAN TARIK, KOÇOĞLU HAKAN, VELİPAŞALAR ÖZGE, OKUTURLAR YILDIZ, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). A Commonly Known and Less Common Cause of Hypoglycemia: Insulinoma. 5th Istanbul Internal Medicine Clinics Meeting,
  • YILDIRIM BETÜL, ERİŞİŞ BETÜL, KOÇOĞLU HAKAN, ÖZDEMİR BAHAR, OKUTURLAR YILDIZ, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2016). Membranous Glomerulonephritis Associated with Guillain Barre Syndrome. Istanbul Faculty of Medicine Traditional Internal Medicine Days - Interactive Update 2016,
  • GENÇ TUĞRUL BURAK, ENKİ SERKAN, KOÇOĞLU HAKAN, BOZER DENİS, CIN SELÇUK, PALAZ MEHMET, ERGÜN GAMZE, OKUTURLAR YILDIZ, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). A Case of Mckittrick-Wheelock Syndrome. 5th Istanbul Internal Medicine Clinics Meeting,
  • KOÇOĞLU HAKAN, ENKİ SERKAN, BOZER DENİS, ŞAHİN TUNAHAN, OKUTURLAR YILDIZ, YAZICI ZAHİDE MİNE, MERT MERAL, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). Rhino-Cerebral Mucormycosis And Amphotericin B + Caspofungin (ABLC) Combination Treatment: Case Report. 5th Istanbul Internal Medicine Clinics Meeting,
  • ACARER DİDEM, KOÇOĞLU HAKAN, ERGÜN GAMZE, OKUTURLAR YILDIZ, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). A Case of ANCA-Associated Vasculitis Due to Propylthiouracil Use. 5th Istanbul Internal Medicine Clinics Meeting,
  • ACARER DİDEM, KOÇOĞLU HAKAN, ERGÜN GAMZE, OKUTURLAR YILDIZ, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). A Case of ANCA-Associated Vasculitis Due to Propylthiouracil Use. 5th Istanbul Internal Medicine Clinics Meeting,
  • PALAZ MEHMET, KOÇOĞLU HAKAN, OKUTURLAR YILDIZ, ERBATUR HALE, FEHMİ FROM THE INDIA, KUDU AYŞEGÜL, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). A Case Report of Bilirubin Nephropathy Due to Hemolysis in B12 Deficiency. 8th Academic Geriatrics Congress,
  • ENKİ SERKAN, AKBAY FATİH GÖKHAN, YOUNG TUĞRUL BURAK, CALAYOĞLU REYHAN, KOÇOĞLU HAKAN, OKUTURLAR YILDIZ, HARMANKAYA ÖZLEM (2016). Bilateral Renal Cell Carcinoma Developing in Native Kidneys After Kidney Transplantation. 12th Uludağ Internal Medicine Winter Congress,
  • KOÇOĞLU HAKAN, ENKİ SERKAN, AŞÇI EMİNE, TURAL DENİZ, ŞEKER ÖMER, OKUTURLAR YILDIZ, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). A Case of Lung Adenocarcinoma Presenting with Choroidal Metastasis. 5th Istanbul Internal Medicine Clinics Meeting,
  • KOÇOĞLU HAKAN, ENKİ SERKAN, AŞÇI EMİNE, TURAL DENİZ, ŞEKER ÖMER, OKUTURLAR YILDIZ, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). A Case of Lung Adenocarcinoma Presenting with Choroidal Metastasis. 5th Istanbul Internal Medicine Clinics Meeting,
  • READERS YILDIZ, KOÇOĞLU HAKAN, ERCAN TARIK, AŞÇI EMİNE, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). HbA1c Level is Correlated With Mean Platelet Volume In Diabetic Patients. XII. Metabolic Syndrome Symposium,
  • YOUNG TUĞRUL BURAK, KOÇOĞLU HAKAN, ERGÜN GAMZE, CHEFS EMİNE, ENKİ SERKAN, OKUTURLAR YILDIZ, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ, FEHMİ HINDİLERDEN (2015). Neutropenia Following Sulfasalazine Use: Case Report. 5th Istanbul Internal Medicine Clinics Meeting,
  • YOUNG TUĞRUL BURAK, KOÇOĞLU HAKAN, ERGÜN GAMZE, CHEFS EMİNE, ENKİ SERKAN, OKUTURLAR YILDIZ, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ, FEHMİ HINDİLERDEN (2015). Neutropenia Following Sulfasalazine Use: Case Report. 5th Istanbul Internal Medicine Clinics Meeting,
  • KOÇOĞLU HAKAN, GÜNALDI ÖMÜR, GÜNALDI MERAL, TUĞCU BEKİR, YILDIZ OKUTURLAR (2015). Primary Brain Malignant Melanoma. 5th Istanbul Internal Medicine Clinics Meeting,
  • ACARER DİDEM, KOÇOĞLU HAKAN, OKUTURLAR YILDIZ, KUDU AYŞEGÜL, KARA NUR, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). Management of a Case with Hemodialysis Access Route Problem. 17th National Internal Medicine Congress,
  • COOK EMİNE, ERGÜN GAMZE, ACARER DİDEM, KOÇOĞLU HAKAN, READERS YILDIZ, HARMANKAYA ÖZLEM (2015). A Rare Cause of Acute Renal Failure: Infective Endocarditis. 17th National Internal Medicine Congress
  • FETULLAHOĞLU ZEYNEP, SADRİ SOGOL, COOK EMİNE, CUTE TOLGAHAN, KOÇOĞLU HAKAN, OKUTURLAR YILDIZ, MERT MERAL, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). A Case of Primary Adrenal Insufficiency Due to Antiphospholipid Antibody Syndrome. 17th National Internal Medicine Congress,
  • ERCAN TARIK, OKUTURLAR YILDIZ, KOÇOĞLU HAKAN, ÖZTOSUN BUĞRA, FETULLAHOĞLU ZEYNEP, HURŞİTOĞLU MEHMET, KUMBASAR ABDULBAKİ, HARMANKAYA NAZMİYE ÖZLEM (2015). Comparison Of Serum Calcium And Magnesium Levels Between Patients With Diabetic Neuropathy And Healthy Controls. XII. Metabolic Syndrome Symposium,
  • ERCAN TARIK, OKUTURLAR YILDIZ, KOÇOĞLU HAKAN, ÖZTOSUN BUĞRA, FETULLAHOĞLU ZEYNEP, HURŞİTOĞLU MEHMET, KUMBASAR ABDULBAKİ, HARMANKAYA NAZMİYE ÖZLEM (2015). Comparison Of Serum Calcium And Magnesium Levels Between Patients With Diabetic Neuropathy And Healthy Controls. XII. Metabolic Syndrome Symposium,
  • ŞEKER ÖMER, YILDIZ OKUTURLAR, KOÇOĞLU HAKAN, FETULLAHOĞLU ZEYNEP, ÖZKAN HANİŞE, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). Cost Analysis of Patients Diagnosed with Diabetes Mellitus Admitted to the Internal Medicine Clinic Between 2011 and 2014. 5th Istanbul Internal Medicine Clinics Meeting,
  • ÖZTOSUN BUĞRA, KOÇOĞLU HAKAN, OKUTURLAR YILDIZ, YILDIRIM BETÜL, ENKİ SERKAN, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). Panhypopituitarism: An Overlooked Cause of Hyponatremia in Elderly Patients – Case Report. 5th Istanbul Internal Medicine Clinics Meeting,
  • ÖZTOSUN BUĞRA, KOÇOĞLU HAKAN, OKUTURLAR YILDIZ, YILDIRIM BETÜL, ENKİ SERKAN, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). Panhypopituitarism: An Overlooked Cause of Hyponatremia in Elderly Patients – Case Report. 5th Istanbul Internal Medicine Clinics Meeting,
  • DOĞAN HAKAN, HARMAN ECE, SARGIN GÖKHAN, KOÇOĞLU HAKAN, HURŞİTOĞLU MEHMET, OKUTURLAR YILDIZ (2015). The Relationship Between Serum Vitamin D Levels and Hypogonadism in Type 2 Diabetic Patients. 5th Istanbul Internal Medicine Clinics Meeting,
  • GÜNEŞ ŞEYMA, KOÇOĞLU HAKAN, OKUTURLAR YILDIZ, KARA NUR, KUDU AYŞEGÜL, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). Heparin-Associated Thrombocytopenia After Hemodialysis: Case Report. VI. National Haseki Medical Congress,
  • ÖZTOSUN BUĞRA, OKUTURLAR YILDIZ, KOÇOĞLU HAKAN, BABASHOV FERİT, ERCAN TARIK, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). A Case of Type 1 Diabetes Admitted Due to Diabetic Ketoacidosis at an Older Age. XII. Metabolic Syndrome Symposium,
  • BOZER DENİS, KOÇOĞLU HAKAN, ÖZTÜRK EBRU, OKUTURLAR YILDIZ, PALAZ MEHMET, HAYDAROV BAHADIR, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). Is Elevated Procalcitonin Always an Indicator of Infection? 11th Uludağ Internal Medicine Winter Congress,
  • KOÇOĞLU HAKAN, KÜRŞAT HAKAN, READERS YILDIZ, FEHMİ FROM HINDI, YOUNG TUĞRUL BURAK, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). A Case of Diffuse Large B Cell Lymphoma with Multiple Organ Involvement. 8th Academic Geriatrics Congress,
  • READERS YILDIZ, VELİPAŞALAR ÖZGE, KOÇOĞLU HAKAN, FETULLAHOĞLU ZEYNEP, ACARER DİDEM, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). Sheehan's Syndrome with Pancytopenia. 17th National Internal Medicine Congress,
  • KUDU AYŞEGÜL, OKUTURLAR YILDIZ, KOÇOĞLU HAKAN, ÖZKAN HANİŞE, KOÇAK YÜCEL SİBEL, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). Serum Asymmetric Dimethyl Arginine (ADMA) Level in Acute Kidney Injury. 5th Istanbul Internal Medicine Clinics Meeting,
  • ARGON DİLEK, KOÇOĞLU HAKAN, DOĞAN HAKAN, ŞENER NUR, POLAT NEDİM, TECİMER TÜLAY, YAZICI ERSOY ÇİĞDEM, ALTUNTAŞ YÜKSEL (2006). Acquired Amegakaryocytic Thrombocytopenic Purpura - Case Report. Turkish Hematology Association 32nd National Congress, 23(3),
  • GÜNALDI MERAL, GÜNDÜZ UMUT RIZA, IŞIKSAÇAN NİLGÜN, GÜNDÜZ ŞEYDA, OKUTURLAR YILDIZ, KOÇOĞLU HAKAN (2015). A New Diagnostic Marker in Breast Cancer: Human Epididymis Protein 4: A Preliminary Study. 27th National Biochemistry Congress, 40(1),
  • HARMANKAYA ÖZLEM, READERS YILDIZ, KOÇOĞLU HAKAN, KOÇAK YÜCEL SİBEL, ÖZKAN HANİŞE, ACARER DİDEM, ERDOĞAN EZGİ, YILMAZ MÜRVET, HURŞİTOĞLU MEHMET (2015). Evaluation of Kidney Biopsy Results in the Geriatric Patient Population. 8th Academic Geriatrics Congress,
  • DUMANLI GÜLEREN, KOÇOĞLU HAKAN, READERS YILDIZ, COOK EMİNE, KUDU AYŞEGÜL, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). A Case Report with Massive Hematuria Due to Dabigatran. VI. National Haseki Medical Congress,
  • KOÇOĞLU HAKAN, KARACA MUSTAFA, TURAL DENİZ, HOCAOĞLU ERHAN, READERS YILDIZ, FETULLAHOĞLU ZEYNEP, FARMER RÜMEYSA, GÜNALDI MERAL, TUNA SAVAŞ, YÜCE ORHAN KEMAL, ÖZET GÜLSÜM, ÖZET AHMET, BENEKLİ MUSTAFA (2015). Seroprevalence of Hepatitis B and C is Significantly Increased in Some Solid Cancers: A 14-Year Retrospective Study. 17th National Internal Medicine Congress,
  • ERCAN TARIK, ÖZTOSUN BUĞRA, OKUTURLAR YILDIZ, KOÇOĞLU HAKAN, FETULLAHOĞLU ZEYNEP, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). Evaluation of Magnesium Levels in Geriatric Patients with Chronic Renal Failure.. 17th National Hypertension and Kidney Diseases Congress,
  • YOUNG TUĞRUL BURAK, KOÇOĞLU HAKAN, OKUTURLAR YILDIZ, ERGÜN GAMZE, CUTE TOLGAHAN, ENKİ SERKAN, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). Acute Renal Failure Due to Rhabdomyolysis After Physical Exercise. 17th National Internal Medicine Congress,
  • ÖZTÜRK EBRU, OKUTURLAR YILDIZ, KOÇOĞLU HAKAN, DEMİR KEZBAN, PALAZ MEHMET, ARTAN EBRU, HARMANKAYA ÖZLEM, HURŞİTOĞLU MEHMET, KUMBASAR ABDULBAKİ (2015). A rare case of tetanus that responded well to treatment. Istanbul Faculty of Medicine Traditional Internal Medicine Days - Interactive Update 2015,
  • BOZER DENİS, KOÇOĞLU HAKAN, ENKİ SERKAN, OKUTURLAR YILDIZ, IŞIKSAÇAN NİLGÜN, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). Abnormal Elevation in Creatinine Value Measured from Extremely Lipemic Serum. 5th Istanbul Internal Medicine Clinics Meeting,
  • ÖZTÜRK EBRU, OKUTURLAR YILDIZ, GİRGİN SİNEM, KARA NUR, KOÇOĞLU HAKAN, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ, GÖNENÇ MURAT, YABUL FATMA, SARI ÜRE ÖZNUR (2015). A Case of Mesenteric Artery Thrombosis Due to Rare Coagulopathy. 11th Uludağ Internal Medicine Winter Congress,
  • KOÇOĞLU HAKAN, IŞIKSAÇAN NİLGÜN, GÜNALDI MERAL, OKUTURLAR YILDIZ, TIKEN ELIF EDA (2015). Is stomach cancer diagnosed later in obese patients? Turkish Clinical Biochemistry Association Clinical Biochemical Approach to Obesity Symposium,
  • CUTE TOLGAHAN, KOÇOĞLU HAKAN, OKUTURLAR YILDIZ, TEKMEN YELİZ, YILMAZ DENİZ, ENKİ SERKAN, SADRİ SOGOL, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). Our First Experiences in a Newly Established Palliative Care Center. 17th National Internal Medicine Congress,
  • ENKİ SERKAN, KOÇOĞLU HAKAN, BOZER DENİS, OKUTURLAR YILDIZ, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015). Ventricular Fibrillation Due to Thyroid Storm. 5th Istanbul Internal Medicine Clinics Meeting,
  • KOÇOĞLU HAKAN, OKUTURLAR YILDIZ, OĞUZ BAŞAK, ÖZTÜRK EBRU, ALTUNTAŞ YÜKSEL, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2015) . Cost Analysis of Patients Presenting with Upper Gastrointestinal System Bleeding. VI. National Haseki Medical Congress,
  • ERDOĞAN EZGİ, KOÇOĞLU HAKAN, ACARER DİDEM, COOK EMİNE, READERS YILDIZ, HAYDAROV BAHADIR, HARMANKAYA ÖZLEM, HURŞİTOĞLU MEHMET, KUMBASAR ABDULBAKİ (2015). A Case of Henoch Schönlein Purpura Presenting with Pulmonary Hemorrhage. 17th National Internal Medicine Congress,
  • VELİPAŞALAR ÖZGE, ERİŞİŞ BETÜL, KOÇOĞLU HAKAN, TURKISH FEHMİ, ÖZDEMİR BAHAR, OKUTURLAR YILDIZ, HURŞİTOĞLU MEHMET, HARMANKAYA ÖZLEM, KUMBASAR ABDULBAKİ (2016). Acute Lymphoblastic Leukemia Presenting with Hypercalcemia. Istanbul Faculty of Medicine Traditional Internal Medicine Days - Interactive Update 2016,
  • READERS, YILDIZ, HAKAN KOCOGLU, SIBEL OCAK SERIN, TARIK ERCAN, MEHMET HURSITOGLU, MERAL MERT, BAHAR OZDEMIR, BETUL ERISMIS, ASUMAN GEDIKBASI, AND OZLEM HARMANKAYA. TWEAK levels in patients with prediabetes and diabetes mellitus. In 20th European Congress of Endocrinology, vol. 56. BioScientifica, 2018.
  • GUNALDI, MERAL, FATIH KOSE, NEBI SERKAN DEMIRCI, SEYDA GUNDUZ, NURIYE ÖZDEMIR, HAKAN KOCOGLU, YILDIZ OKUTURLAR et al. Effect of adding taxane to platinum-5-fluorouracil combination on survival in elderly patients with advanced gastric cancer: A retrospective-multicenter study. (2016): ASCOpubs. e15572-e15572.
  • TURAL, DENIZ, MUSTAFA KARACA, HAKAN KOCOGLU, GÜLSÜM ÖZET, ORHAN KEMAL YÜCEL, RUMEYSA CIFTCI, MUSTAFA BENEKLI, AND AHMET OZET. Hepatitis B and C positivity rates in solid tumors and reactivation rates due to cytotoxic chemotherapy. (2016): ASCOpubs e23213-e23213
  • Deniz Tural, Mustafa Karaca, Bekir Hacioglu, Irem Bilgetekin, Burak Bilgin, Hakan Kocoglu, Gulsum Ozet, Bulent Erdogan, Mehmet Ali Nahit Sendur, Aydin Aytekin, Mustafa Benekli, Ahmet Ozet. Receptor discordance after neoadjuvant chemotherapy and its impact on disease-free survival. (2016): ASCOpubs e12518-e12518
  • Turkish Internal Medicine Specialization Association
  • Society Of General Internal Medicine (USA)
  • Istanbul Medical Chamber

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