Journal
INFLAMMATION
Volume 36, Issue 5, Pages 1186-1193Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10753-013-9654-7
Keywords
venovenous extracorporeal membrane oxygenation (VV ECMO); myocardial inflammation; mitochondrial function; continuous renal replacement therapy (CRRT)
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Funding
- 12th five-year Major Program of Army Grants [AWS11J03, AWS12J001]
- Jiangsu Province's Special Project of Science and Technology in Medicine [BL2012006]
- Jiangsu Province's Key Medical Talent Program [RC2011128]
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In this study, we investigated the myocardial inflammation and mitochondrial function during venovenous extracorporeal membrane oxygenation (VV ECMO) and further evaluated the effects of continuous renal replacement therapy (CRRT) on them. Eighteen piglets were assigned to the control group, ECMO group, and ECMO+CRRT group. Myocardial inflammation was assessed by the activity of myeloperoxidase (MPO), myocardial concentrations, and mRNA expression of TNF-alpha, IL-1 beta, and IL-6; mitochondrial function was assessed by activities of mitochondrial complexes I-V. VV ECMO elicited a general activation of serum and myocardial inflammation and significantly decreased the activities of mitochondrial complexes I and IV. After being combined with CRRT, serum and myocardial concentrations of IL-1 beta and IL-6, myocardial mRNA expression of IL-6, and the activity of MPO were decreased significantly; the activities of mitochondrial complexes were increased. We conclude that myocardial inflammation was activated during ECMO therapy, inducing mitochondrial injury; moreover, CRRT reduced myocardial inflammation and partially ameliorated mitochondrial function.
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