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Technical Refinement of a Bilateral Renal Ischemia-Reperfusion Mouse Model for Acute Kidney Injury Research
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Factors associated with acute kidney injury or failure in children undergoing cardiopulmonary bypass: a

S Devi Chiravuri1, Lori Q Riegger, Robert Christensen

  • 1Department of Anesthesiology, Section of Pediatric Anesthesia, C.S. Mott Children's Hospital, The University of Michigan Health Systems, Ann Arbor, MI 48109-5211, USA. devich@umich.edu

Paediatric Anaesthesia
|February 11, 2011
PubMed

Insights

Identifying risk factors for acute kidney injury (AKI) after cardiopulmonary bypass (CPB) in children is crucial. This study found that young age, specific medications like milrinone and furosemide, and longer CPB durations increase AKI risk.

Area of Science:

  • Pediatric Nephrology
  • Cardiovascular Surgery
  • Critical Care Medicine

Background:

  • Acute kidney injury (AKI) is a significant complication in pediatric patients undergoing cardiopulmonary bypass (CPB).
  • Risk factors for AKI post-CPB in children require clarification due to evolving surgical practices.

Purpose of the Study:

  • To investigate the association between patient and perioperative factors with AKI and kidney failure in pediatric patients after CPB.
  • To identify modifiable and non-modifiable risk factors for adverse renal outcomes in this population.

Main Methods:

  • Retrospective case-control study design.
  • Inclusion of pediatric patients who underwent CPB, stratified by AKI and kidney failure using RIFLE criteria.
  • Extraction and analysis of demographic, perioperative, and outcome data from medical records and databases.

Main Results:

  • Younger age, mechanical ventilation, milrinone, gentamicin, furosemide, prolonged CPB and anesthesia times, multiple cross-clamps, and blood transfusions were linked to AKI or failure.
  • Mortality risk was elevated by young age, perioperative milrinone, multiple cross-clamps, ECMO, cardiac failure, neurological complications, sepsis, and kidney failure.

Conclusions:

  • Multiple perioperative factors predict AKI, kidney failure, and mortality in pediatric CPB patients.
  • Perioperative milrinone and furosemide use are independent predictors of poor renal outcomes, especially in young infants.
  • Development of renal protective strategies for high-risk pediatric patients undergoing CPB is warranted.
Abstract

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