TYK291

The risk of developing ARF after cardiopulmonary bypass for cardiac surgery is highest in what age group?

a) Adults

b) Children

c) Infants

d) Neonates

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Answer

Answer d. Cardiopulmonary bypass replaces the normal pulsatile blood flow to the kidney with continuous perfusion. The loss of systolic peaks results in decreased renal medullary perfusion; in the neonate (whose autoregulatory mechanisms are not intact), there is a high risk of acute renal failure.

Notes

This question originally printed in the Pediatric Anesthesiology Review Topics kindle book series, and appears courtesy of Naerthwyn Press, LLC.

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