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Hemoadsorption contribution in neonatal cardiac surgery.

Isabella Molinari1, Enrico Aidala1, Maria Teresa Cascarano1

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Summary

Hemoadsorption during cardiopulmonary bypass may reduce organ damage and inflammation in neonates undergoing complex heart surgery. This blood purification technique shows promise for improving clinical outcomes in high-risk pediatric cardiac procedures.

Keywords:
cardiopulmonary bypasscytokinehemoadsorptioninflammatory responseneonatal cardiac surgerypediatric cardiac surgery

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Area of Science:

  • Pediatric Cardiac Surgery
  • Biomedical Engineering
  • Critical Care Medicine

Background:

  • Cardiopulmonary bypass (CPB) in neonates presents significant challenges, potentially causing systemic inflammation and multiorgan dysfunction.
  • Hemoadsorption devices integrated with CPB aim to mitigate these effects by adsorbing inflammatory cytokines.
  • Reducing CPB-induced complications is crucial for improving outcomes in complex pediatric cardiac surgeries.

Purpose of the Study:

  • To evaluate the efficacy of hemoadsorption during CPB in neonates undergoing complex cardiac surgery.
  • To assess the impact of hemoadsorption on organ damage biomarkers, inflammation, and clinical outcomes.
  • To explore the potential of blood purification as an adjunct therapy in high-risk pediatric cardiac procedures.

Main Methods:

  • Retrospective analysis of 33 neonates undergoing complex cardiac surgery.
  • Comparison between 17 neonates treated with Jafron HA60 hemoadsorber and a control group during CPB.
  • Analysis of organ damage biomarkers, C-reactive protein, lactates, inotropic drug doses, and cytokine levels.

Main Results:

  • The hemoadsorption group showed reduced biomarkers of organ damage and inflammation.
  • A trend towards decreased inotrope requirements, shorter ICU stays, and reduced mechanical ventilation duration was observed.
  • Hemoadsorption was associated with a downward pattern in pro- and anti-inflammatory cytokine levels.

Conclusions:

  • Hemoadsorption during CPB may improve clinical parameters in neonates undergoing high-risk cardiac surgery.
  • The findings suggest a potential benefit of blood purification in mitigating CPB-related complications.
  • Larger-scale studies are warranted to confirm these preliminary observations and optimize hemoadsorption strategies.