The effect of modified ultrafiltration on the amount of circulating endotoxins in children undergoing cardiopulmonary bypass

Objective: To determine whether the use of modified ultrafiltration during pediatric cardiopulmonary bypass (CPB) diminishes the load of circulating endotoxins. Design: Single-arm prospective observational study. Setting: A university hospital operating room and intensive care unit. Participants: Tw...

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Bibliographic Details
Published in:Journal of cardiothoracic and vascular anesthesia 2000-08, Vol.14 (4), p.399-401
Main Authors: Yndgaard, Stig, Andersen, Lars W., Andersen, Claus, Petterson, Gösta, Baek, Leif
Format: Article
Language:English
Subjects:
Anesthesia
Anesthesia depending on type of surgery
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Biological and medical sciences
Cardiopulmonary Bypass
children
endotoxins
Endotoxins - blood
Heart Defects, Congenital - blood
Heart Defects, Congenital - surgery
Hemofiltration - methods
Humans
Infant
Medical sciences
modified ultrafiltration
Prospective Studies
Thoracic and cardiovascular surgery. Cardiopulmonary bypass
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Summary:Objective: To determine whether the use of modified ultrafiltration during pediatric cardiopulmonary bypass (CPB) diminishes the load of circulating endotoxins. Design: Single-arm prospective observational study. Setting: A university hospital operating room and intensive care unit. Participants: Twenty children undergoing CPB for correction of various congenital heart diseases. Interventions: The amount of endotoxins in plasma was measured during CPB and before and after modified ultrafiltration. The ultrafiltrate was assayed for the presence of endotoxins. Postoperatively, the children were followed with relevant infectious parameters and cultures. Measurements and Main Results: The amount of endotoxins increased significantly during the CPB procedure (from a median of 1.3 ng [range, 0 to 13.7 ng] to 24.2 ng [range, 2.1 to 75.9 ng]). After termination of CPB, modified ultrafiltration was shown to lower the amount of circulating endotoxins in blood (from a median of 24.2 ng [range, 2.1 to 75.4 ng] to 9.0 [range, 0.1 to 40.6 ng]). The major bulk of this reduction in endotoxin load was retrieved in the ultrafiltrate (median of 11.9 ng [range, 0 to 12.1 ng]). Conclusion: This study strongly suggests that modified ultrafiltration decreases the amount of circulating endotoxins in children undergoing cardiac surgery. Copyright © 2000 by W.B. Saunders Company
ISSN:1053-0770
1532-8422
DOI:10.1053/jcan.2000.7944