Infectious Diseases & Clinical Microbiology Prof. Dr. İftahar Köksal
✓ Medically verified profileProf. Dr. İftahar Köksal
✓ Medically verified profile
About Prof. Dr. İftahar Köksal
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Prof. Dr. İftahar Köksal is an Infectious Diseases and Clinical Microbiology specialist at Acibadem Atakent Hospital in İstanbul with 38+ years of experience.
He treats hospital-acquired infections, viral hepatitis, chronic hepatitis C, hepatitis B reactivation, liver fibrosis in chronic hepatitis C, leptospirosis, hantavirus infection, Crimean-Congo hemorrhagic fever, invasive pulmonary aspergillosis, imipenem-nonsusceptible bacterial infections, and pneumococcal disease in adults, with a focus on infection prevention and control. Consultations are available in Turkish and…
Prof. İftahar Köksal is an experienced physician specializing in infectious diseases and clinical microbiology. He earned his medical degree from Texas Tech University School of Medicine in 1992 and has since built a career focused on infection prevention, liver disease, and clinical microbiology. In 2022 he joined Acibadem Health Group, where he contributes clinical expertise and patient care.
He is an active member of several professional societies, including the Turkish Society for Hospital Infections and Control, the Infectious Diseases and Clinical Microbiology Specialty Society of Turkey, and the Association for the Fight Against Viral Hepatitis. His international memberships include the European Society of Clinical Microbiology and Infectious Diseases, the American Association for the Study of Liver Diseases, and the European Association for the Study of the Liver. Prof. Köksal combines a strong clinical background with engagement in professional organizations to support best practices in infection control, hepatology, and clinical microbiology.
Areas of Expertise
Conditions treated and procedures performed by this specialist.
Education
- 1992United States Texas Technical University Medical School
- 1987Hacettepe University Faculty of Medicine Infectious Diseases and Clinical Microbiology
- 1981Dicle University Faculty of Medicine
Professional Experience
- 2022Acibadem Health Group
- 2018–2020Karadeniz Technical University Clinical Research Center Director
- 2001–2015Karadeniz Technical University Faculty of Medicine, Infection Control Committee
- 1998–2020Karadeniz Technical University Faculty of Medicine / Prof.Dr.
- 1992–1998Karadeniz Technical University Faculty of Medicine / Assoc. Prof. Dr.
- 1988–1992Karadeniz Technical University Faculty of Medicine / Assistant. Assoc. Prof. Dr. / Founder
Professional Memberships
- Turkish Society for Hospital Infections and Control
- European Society Clinical Microbiology and Infectious Diseases
- Infectious Diseases and Clinical Microbiology Specialty Society of Turkey
- Association for the Fight Against Viral Hepatitis
- American Association for the Study of Liver Diseases
- European Association for the Study of the Liver
Selected Publications
- The “MICE” scoring system in differentiating the identical twins leptospirosis and hantavirus infection Infection. 2020 Feb;48(1):99-107. doi: 10.1007/s15010-019-01366-7. Kaya S, Yilmaz G, Aydin M, Aksoy F, Koksal I.
- RESTORE-IMI 1: A Multicenter, Randomized, Double-blind Trial Comparing Efficacy and Safety of Imipenem/Relebactam vs Colistin Plus Imipenem in Patients With Imipenem-nonsusceptible Bacterial Infections. Young K, Kartsonis NA, Butterton JR, Paschke A.Clin Infect Dis. 2019 Aug 10. pii: ciz530. doi: 10.1093/cid/ciz530. Motsch J, Murta de Oliveira C, Stus V, Köksal I, Lyulko O, Boucher HW, Kaye KS, File TM, Brown ML, Khan I, Du J, Joeng HK, Tipping RW, Aggrey A,
- Early Access Program (EAP) Study Group. Low recurrence rate of hepatocellular carcinoma following ledipasvir and sofosbuvir treatment in a real-world chronic hepatitis C patients cohort Ataseven H, Akdogan M, Kiyici M, Koksal AS, Akhan S, Gunsar F, Tabak F, Kaymakoglu S, Akarca US.J Viral Hepat. 2019 Jun;26(6):666-674. doi: 10.1111/jv Idilman R, Demir M, Aladag M, Erol C, Cavus B, Iliaz R, Koklu H, Cakaloglu Y, Sahin M, Ersoz G, Koksal I, Karasu Z, Ozgenel M, Turan I, Gunduz F,
- Diagnostic value of combined serum biomarkers for the evaluation of liver fibrosis in chronic hepatitis C infection: A multicenter, noninterventional observational study Kuruüzüm Z, Tarakçı H, Beslen N, Erdoğan S, Özdener F, Study Group TCHC. Turk J Gastroenterol. 2018 Jul;29(4):464-472. doi: 10.5152/tjg.2018.16597 Köksal İ, Yılmaz G, Parlak M, Demirdal T, Kınıklı S, Candan M, Kaya A, Akhan S, Aydoğdu Ö, Turgut H, Gürbüz Y, Dağlı Ö, Gökal AA, Güner R,
- Carbonic anhydrase I-II autoantibodies and oxidative status in long-term follow-up of patients with Crimean-Congo haemorrhagic fever. Arch Physiol Biochem. 2018 Feb;124(1):69-74. Yilmaz H, Kostakoğlu U, Demir S, Aksoy F, Menteşe A, Karahan SC, Köksal İ, Alver A, Yilmaz G.
- Immunosuppressive therapy and the risk of hepatitis B reactivation: Consensus report. Turk J Gastroenterol. 2018 May;29(3):259-269. doi: 10.5152/tjg.2018.18263. Aygen B, Demir AM, Gümüş M, Karabay O, Kaymakoğlu S, Köksal AŞ, Köksal İ, Örmeci N, Tabak F.
- Importance of endothelial dysfunction biomarkers in patients with Crimean-Congo hemorrhagic fever J Med Virol. 2017 Dec;89(12):2084-2091. Arslan M, Yilmaz G, Mentese A, Yilmaz H, Karahan SC, Koksal I.
- The importance of risk factors for the prediction of patients with invasive pulmonary aspergillosis Rev Assoc Med Bras 2017 Sep;63(9):764-770. Kaya S, Gencalioglu E, Sonmez M, Koksal I.
- The prognostic significance of serum TGF-ß1 levels in patients with Crimean-Congo hemorrhagic fever J Med Virol. 2017 Mar;89(3):413-416. Yilmaz G, Yilmaz H, Arslan M, Kostakoğlu U, Menteşe A, Karahan SC, Köksal İ.
- The pilgrimage and the burden of pneumococcal disease in adults Tuberk Thoraks. 2017 Dec;65(4):327-332. doi: 10.5578/tt.40365. Turkish Köksal İ, Şenol E, Çilli A, Alıcı DE.
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What patients say about Prof. Dr. İftahar Köksal
★★★★★From 2,400+ verified patient reviews“After struggling for a long time, I finally found the right care for my antibiotic management here. Prof. Dr. Köksal kept me informed and reassured throughout. I am deeply grateful for everything.”
“I had been worried for months, but my laboratory analysis was sorted out quickly and clearly. Prof. Dr. Köksal kept me informed and reassured throughout. The facilities were spotless and modern.”

