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Prof. Dr. Ahmet Nevzat Nayir image

Department of pediatric nephrology

Prof. Dr. Ahmet Nevzat Nayir
pediatric nephrology

About the department

The pediatric nephrology department at Memorial Sisli Hospital Istanbul offers diagnostic and therapeutic services for young patients with kidney and urinary tract diseases. The department treats infants, young children and adolescents under 18. The medical team includes highly trained pediatric nephrologists, nurses, dialysis specialists and a dietitian who is specially trained in treating children. Department provides excellent diagnostic options, such as a kidney biopsy in children, scintigraphy, and magnetic resonance imaging of the kidneys. All these diagnostic methods make it possible to identify all possible pathological changes in the structure of the kidney as quickly and safely as possible for the child. After an accurate diagnosis is made, the competent nephrologists of the department carry out treatment aimed at slowing down the progression of the disease or a complete recovery.

The department's range of services includes the treatment of such congenital and acquired nephrological diseases as pyelonephritis and glomerulonephritis, various conditions of the urinary tract, and acute, chronic and terminal renal failure. In the department for children with acute renal failure, all modern forms of dialysis (peritoneal dialysis, hemodialysis) and plasmapheresis are available. The department also corrects electrolyte imbalance and treats hypertension. In addition to treatment, doctors offer annual screening for kidney disease for early detection of possible pathologies.

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Treatment and diagnostic focus of the department


  • Congenital and acquired kidney infections
  • Haemorrhages
  • Kidney cyst
  • Tumours of the kidneys
  • Chronic renal failure
  • Arterial hypertension
  • Familial Mediterranean fever
  • Stones in the kidneys and urinary tract
  • Glomerulonephritis
  • Hematuria (blood in the urine)
  • Proteinuria (protein in the urine)
  • Renal hypoplasia


  • Anamnesis 
  • Physical examination 
  • Kidney function blood tests (glomerular filtration rate and albumin creatinine ratio)
  • Ultrasound examination 
  • Urine analysis 
  • Intravenous pyelogram (IVP)
  • Magnetic resonance angiography 
  • Renal biopsy 
  • Computed tomography (CT scan) 
  • Kidney sonography 
  • Measures of blood pressure 
  • 24-hour blood pressure monitoring 
  • 24-hour urine test 
  • Positron emission tomography (PET)


  • Pharmacotherapy 
  • Peritoneal dialysis
  • Hemodialysis
  • Consultation before dialysis
  • Drug therapy
  • Management of kidney transplant patients
  • Preparation and follow-up care after kidney transplantation 
  • Nutritional counselling
  • Psychosocial support
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Doctor profile


  • 1993 - 1993 Observer Doctor in Transplantation Clinic, Heidelberg University, Heidelberg
  • 1990 - 1990 Observer Doctor in Transplantation Clinic, Gottrid Wilhelm Leibniz Wilhelm University, Hanover
  • 1989 - 1995 Minor Specialization Training, Istanbul Faculty of Medicine Children Nephrology, Istanbul, Turkey
  • 1989 - 1989 Research Assistant, Cleveland Clinic, Cleveland
  • 1981 - 1985 Specialization Training, Istanbul Faculty of Medicine Child Health and Diseases, Istanbul, Turkey
  • 1975 - 1981 Medical education, Istanbul University Cerrahpasa Medical Faculty, Istanbul, Turkey


  • 2011 Pediatric Nephrology Specialist, Memorial Sisli Hospital, Istanbul, Turkey
  • 2003 Lecturer Professor, Istanbul Faculty of Medicine Pediatric Nephrology, Istanbul, Turkey
  • 1995 - 2003 Lecturer Associate Professor, Istanbul Faculty of Medicine Paediatric Nephrology, Istanbul, Germany
  • 1987 - 1989 Pediatrics Specialist, Ayvalik State Hospital, Balikesir, Turkey
  • 1985 - 1987 Pediatrics Specialist, Derince Military Hospital, Kocaeli, Turkey

Awards, memberships, publications

  • Turkish Medical Association
  • Turkish National Pediatric Association Istanbul Branch
  • European Dialysis and Transplant Association 
  • Arbeitsgemeinschaft für Paediarische Nephrologie 
  • European Society for Clinical Investigation 
  • Turkish Society of Nephrology 
  • Pediatric Nephrology Association 
  • European Society of Pediatric Nephrology 
  • Child Kidney Foundation
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