Acute renal failure necessitating the use of CRRT is a rare but serious complication post cardiopulmonary bypass. In the long-term, surviving patients are not likely to require further renal support.

(1) The TCA group have prolonged rises of IL-6, IL-8 and S100B. (2) The TCA group generates significantly lower complement. (3) Astroglial injury, seen after surgery, may, in part, be cytokine mediated.

These results indicate that there may be differences between neonates and infants with regard to the inflammatory response to CPB and neonatal patients merit further investigation in order to elucidate whether the pathophysiology of their CPB related inflammatory response and its clinical sequelae differs from their older counterparts.

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