• Ekanem Nsikak Ekure, Christopher Imokhuede Esezobor, Anuradha Sridhar, Jyothi Vasudevan, Rajhavan Subramanyan, and Kotturathu Mammen Cherian.
• Department of Pediatrics, College of Medicine, University of Lagos, Lagos, Nigeria.
• Saudi J Kidney Dis Transpl. 2015 May 1; 26 (3): 489-96.

AbstractLittle is known about cardiac surgery-associated acute kidney injury (CS-AKI) in children in developing regions of the world. The study aimed to determine the prevalence of CSAKI, associated factors and its impact on mortality and utilization of hospital services. The hospital records of children aged 0-17 years who underwent CS at an Indian hospital were reviewed. CS-AKI was defined as a rise in serum creatinine of ≥0.3 mg/dL in any 48 h and or by urine output <0.5 mL/kg/h for an 8-h period in the first five days after CS. The study included 323 children with a median age of one year (0.04-17), of whom 22 (6.8%) were neonates and 18.3% had a single ventricle. About 60% of the children had Risk Adjusted Congenital Heart Surgery-I category 1 or 2 interventions. CS-AKI occurred in 39 children (12.1%). Factors associated with CS-AKI were sepsis and intraand post-operative hypotension. In-hospital mortality was six-fold higher in children who developed CS-AKI. CS-AKI was associated with two to three days more of mechanical ventilation and Intensive care unit stay. CS-AKI occurs in children in developing countries, but at a lower frequency mainly due to the predominance of post-neonatal children undergoing less-complex CSs. CS-AKI was associated with higher in-hospital mortality and increased utilization of hospital services. Factors associated with CS-AKI included intraand post-operative hypotension and sepsis.

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