Pediatric Intensive Care Unit · Acibadem Atakent Hospital, İstanbul Assoc. Prof. Dr. Fatih Aygün
✓ Medically verified profileAssoc. Prof. Dr. Fatih Aygün
Assoc. Prof. Dr. Fatih Aygün is a pediatric intensive care specialist at Acibadem Atakent Hospital in İstanbul, Turkey. He cares for critically ill infants and children with respiratory distress syndrome, respiratory failure, bronchopulmonary dysplasia, hypoxic-ischemic encephalopathy, sepsis, multiple organ failure, febrile seizures and pediatric infectious diseases, and provides advanced life support. He consults in Turkish and English.
Accepting international patientsAbout Assoc. Prof. Dr. Fatih Aygün
Assoc. Prof. Dr. Fatih Aygün is a pediatric intensive care specialist at Acibadem Atakent Hospital in İstanbul, with more than 23 years in medicine. He graduated from Hacettepe University Faculty of Medicine in 2003, completed his pediatrics training at İstanbul University İstanbul Faculty of Medicine in 2010, and completed his pediatric intensive care subspecialty training at İstanbul University Cerrahpaşa Faculty of Medicine in 2016. His subspecialty period included work as a research assistant in neonatology at Uludağ University Faculty of Medicine (2010–2012), and in pediatric intensive care at Bezmi-Âlem Vakıf University (2013–2014) and İstanbul University, Cerrahpaşa Faculty of Medicine (2014–2016).
After completing his training, Dr. Aygün worked as a subspecialist at Şişli Hamidiye Etfal E.A.H. and Okmeydanı E.A.H. (2016–2018), and joined Acıbadem Healthcare Services in 2016. From 2018 to 2024 he served as Head of the Department of Pediatric Intensive Care at İstanbul University-Cerrahpaşa, Cerrahpaşa Faculty of Medicine, first as a Doctor Faculty Member (2018–2020) and then as Associate Professor (2020–2024). He is a co-author of publications in journals including Pediatric Critical Care Medicine, Pediatric Research, Journal of Clinical Apheresis, and The Journal of Clinical Investigation, on topics such as mechanical ventilation and weaning practice in Turkish pediatric intensive care units, continuous renal replacement therapy and therapeutic plasma exchange in children with severe sepsis or septic shock, biomarkers of COVID-19 in children, and multisystem inflammatory syndrome in children (MIS-C).
Clinical focus
Dr. Aygün’s clinical work centers on the care of critically ill infants and children. His areas of expertise include respiratory distress syndrome (RDS), respiratory failure, bronchopulmonary dysplasia (BPD), and hypoxic-ischemic encephalopathy (HIE). He also manages sepsis and multiple organ failure in the pediatric intensive care setting, and provides advanced life support in children.
His interests further include the diagnosis and treatment of pediatric infectious diseases, the evaluation of febrile seizures, and lactose intolerance in infants. Treatment decisions in these conditions depend on the individual child’s clinical picture and are made after a full assessment.
How Dr. Aygün works with international patients
Dr. Aygün consults in Turkish and English, and interpreters can be arranged for families who speak other languages. The Acibadem international patient team coordinates the collection of prior reports and imaging, such as MRI, CT, X-ray or ultrasound reports, laboratory and pathology results, operative notes and discharge summaries, and arranges appointments and the hospital visit. A first consultation typically covers the child’s history and symptoms, a review of existing imaging and previous treatments, a clinical examination, and a discussion of the available options. Video consultation is available for international patients who wish to discuss a case before traveling.
What Dr. Aygün treats and performs
Each item opens the condition or treatment page with the care pathway for international patients.
Conditions treated
- Respiratory distress syndrome (RDS)
- Hypoxic-ischemic encephalopathy (HIE)
- Bronchopulmonary dysplasia (BPD)
- Febrile seizures
- Respiratory failure
- Multiple organ failure
- Sepsis
- Advanced life support in children
Procedures performed
- Lactose intolerance in infants
- Diagnosis and treatment of pediatric infectious diseases
- ESS
- Febrile seizures treatment
- Lactose intolerance treatment
Education, career and memberships
Education & training
Education
- 2016İstanbul University Cerrahpaşa Faculty of Medicine Pediatric Intensive Care
- 2010İstanbul University İstanbul Faculty of Medicine Pediatrics
- 2003Hacettepe University Faculty of Medicine
Career
Professional Experience
- 2020–2024İstanbul University-Cerrahpaşa, Cerrahpaşa Faculty of Medicine Head of the Department of Pediatric Intensive Care / Associate Professor Dr.
- 2018–2020İstanbul University-Cerrahpaşa, Cerrahpaşa Faculty of Medicine Head of the Department of Pediatric Intensive Care / Doctor Faculty Member
- 2016–2018Okmeydanı E.A.H. (DHY) / Subspecialist
- 2016Acıbadem Healthcare Services
- 2016Şişli Hamidiye Etfal E.A.H. (DHY) / Subspecialist
- 2014–2016İstanbul University, Cerrahpaşa Faculty of Medicine, Pediatric Intensive Care / Research Assistant-Subspecialty
- 2013–2014Bezmi-Âlem Vakıf University, Pediatric Intensive Care / Research Assistant-Subspecialty
- 2010–2012Uludağ University Faculty of Medicine , Neonatoloji / Ar. Gör.- yan dal
- 2004–2009İstanbul University, İstanbul Faculty of Medicine (Çapa) / Ar. Gör.
Selected publications
Selected Publications
- The Notch1/CD22 signaling axis disrupts Treg function in SARS-CoV-2associated multisystem inflammatory syndrome in children The Journal of Clinical Investigation 133.1 (2023). Benamar, Mehdi, et al.
- Mortality risk factors among critically ill children with MIS-C in PICUs: a multicenter study Pediatric Research (2023): 1-8. Sık, Guntulu, et al
- A case of severe DRESS syndrome treated with therapeutic plasma exchange and intravenous immunoglobulin therapy Journal of Clinical Apheresis 37.6 (2022): 600-605. Durak, Cansu, et al.
- Diagnostic and prognostic biomarkers of coronavirus disease 2019 in children Journal of Tropical Pediatrics 68.2 (2022): fmac003. Önal, Pınar, et al
- Clinical features and outcomes of 76 patients with COVID-19-related multi-system inflammatory syndrome in children Clinical Rheumatology 40 (2021): 4167-4178. Haslak, Fatih, et al.
- Posterior reversible encephalopathy syndrome in a pediatric COVID-19 patient The Pediatric Infectious Disease Journal 40.6 (2021): e240-e242. Korkmazer, Bora, et al.
- COVID19 in turkey: a tertiary center experience Pediatrics International 63.7 (2021): 797-805. Önal, Pınar, et al.
- Daily practice of mechanical ventilation and weaning in Turkish PICUs: A Multicenter Prospective Survey Pediatric Critical Care Medicine 21.5 (2020): e253-e258. Tekgüç, Hakan, et al
- Evaluation of continuous renal replacement therapy and therapeutic plasma exchange, in severe sepsis or septic shock in critically ill children Medicina 55.7 (2019): 350. Aygun, Fatih, et al.
- Treatment of maple syrup urine disease with high flow hemodialysis in a neonate (2019). Aygun, Fatih, et al

