| Phosphorylcholine or heparin coating for pediatric extracorporeal circulation causes similar biologic effects in neonates and infants. | |
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MedLine Citation:
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PMID: 15116008 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: Cardiac surgery for complex congenital malformations with use of extracorporeal circulation predisposes to an excessive systemic inflammatory response and a consecutive capillary leak syndrome. In a prospective randomized study the influence of 2 oxygenators especially designed for pediatric use on inflammatory markers and clinical outcome was investigated. METHODS: Forty neonates and infants (body surface area, <0.36 m(2)) undergoing cardiac surgery with extracorporeal circulation were randomized into one of 3 groups: in the first group (n = 14) the Medtronic Minimax Oxygenator and in the second group (n = 12) the Dideco Lilliput 1 Oxygenator, both with a 750-mL priming volume, were used. In the third group the Dideco Lilliput 1 Oxygenator was filled with a reduced priming volume of 450 mL. Parameters of interest for evaluation of a systemic inflammatory response after extracorporeal circulation were interleukin 6, tumor necrosis factor alpha, neutrophil elastase, complement C3, and free hemoglobin. In addition, erythrocyte, leukocyte, and thrombocyte counts and hemoglobin and C-reactive protein values were determined at different measurement points before, during, and after the operation. RESULTS: In all 3 groups peak values for tumor necrosis factor alpha were observed during the operation, whereas interleukin 6, elastase, and free hemoglobin values peaked in the first 4 hours. The highest values for leukocytes and C-reactive protein were obtained between 24 and 72 hours after the operation. Erythrocyte and thrombocyte counts, as well as hemoglobin values, were lowest at extracorporeal circulation onset, normalizing under substitution in the first 4 hours after the operation. By using the Lilliput/750 oxygenator, higher interleukin 6 values 1 and 4 hours after the operation and higher tumor necrosis factor alpha values during and 1 hour after the operation could be observed compared with results with the Minimax and Lilliput/450 oxygenators. In spite of our randomization protocol, patients in the Lilliput/750 group were significantly smaller and younger than those in the Minimax group. However, the statistical analysis showed no correlation between age and interleukin 6 or tumor necrosis factor alpha values, but it did show a correlation between younger age and the occurrence of capillary leak syndrome. Accordingly, the number of children with clinically complicated course (capillary leak, longer duration of catecholamine therapy, and ventilation) was higher in the Lilliput/750 group than in the Minimax group. CONCLUSION: By using an adequate priming volume, the systemic inflammatory response is similar after use of the Dideco Lilliput 1 Oxygenator and the Medtronic Minimax Oxygenator. Tip-to-tip surface coating of the extracorporeal circulation with either heparin or phosphorylcholine seems to have similar biologic effects in neonates and infants undergoing cardiac surgery. |
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Authors:
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Andreas Böning; Jens Scheewe; Thomas Ivers; Christine Friedrich; Jürgen Stieh; Sandra Freitag; Jochen T Cremer |
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Publication Detail:
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Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial |
Journal Detail:
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Title: The Journal of thoracic and cardiovascular surgery Volume: 127 ISSN: 0022-5223 ISO Abbreviation: J. Thorac. Cardiovasc. Surg. Publication Date: 2004 May |
Date Detail:
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Created Date: 2004-04-29 Completed Date: 2004-06-01 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0376343 Medline TA: J Thorac Cardiovasc Surg Country: United States |
Other Details:
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Languages: eng Pagination: 1458-65 Citation Subset: AIM; IM |
Affiliation:
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Department of Cardiovascular Surgery, University Hospital, Kiel, Germany. aboening@kielheart.uni-kiel.de |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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C-Reactive Protein
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analysis Capillary Leak Syndrome / etiology Cardiac Surgical Procedures* Coated Materials, Biocompatible* Extracorporeal Circulation / adverse effects*, instrumentation Hemoglobins / analysis Heparin* Humans Infant Infant, Newborn Interleukin-6 / blood Leukocyte Count Pancreatic Elastase / blood Phosphorylcholine* Systemic Inflammatory Response Syndrome / diagnosis, etiology*, prevention & control Tumor Necrosis Factor-alpha / analysis |
| Chemical | |
Reg. No./Substance:
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0/Coated Materials, Biocompatible; 0/Hemoglobins; 0/Interleukin-6; 0/Tumor Necrosis Factor-alpha; 107-73-3/Phosphorylcholine; 9005-49-6/Heparin; 9007-41-4/C-Reactive Protein; EC 3.4.21.36/Pancreatic Elastase |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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