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JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
Effects of continuous renal replacement therapy on renal inflammatory cytokines during extracorporeal membrane oxygenation in a porcine model.
Journal of Cardiothoracic Surgery 2013 April 30
BACKGROUND: Extracorporeal membrane oxygenation (ECMO) has been recommended for the treatment of patients with acute, potentially reversible, life-threatening respiratory failure which unresponsive to conventional therapy. But it is unclear about how ECMO affects renal tissue.
METHODS: Twenty-four piglets weighing 25 to 32 kg were used in this experiment. The piglets were randomly allocated to 4 groups of 6 animals each: sham group (S group), control group (C group), VV-ECMO group (E group), VV-ECMO combined with CRRT group (EC group). The piglets were sacrificed and the kidney tissue were harvest to determine the levels of IL-1β, IL-6, TNF-α and NF-КB by using the ELISA and RT-PCR method, respectively.
RESULTS: Compared with C group and S group, E group renal tissue IL-1β, IL-6, TNF-α and NF-КB expression increased significantly, respectively (p < 0.01). Compared with E group, EC group showed renal tissue IL-1β, IL-6, TNF-α and NF-КB expression decreased significantly, respectively (p < 0.05).
CONCLUSION: ECMO enables to inflammatory cytokines including IL-1β, IL-6, TNFα, NF-КB released significantly, renal function impaired and immune homeostasis were to imbalance; ECMO combined with CRRT treatment can alleviate levels of inflammatory cytokines, maintain immune homeostasis balance and thus ameliorate the ECMO-related acute kidney injury(AKI).
METHODS: Twenty-four piglets weighing 25 to 32 kg were used in this experiment. The piglets were randomly allocated to 4 groups of 6 animals each: sham group (S group), control group (C group), VV-ECMO group (E group), VV-ECMO combined with CRRT group (EC group). The piglets were sacrificed and the kidney tissue were harvest to determine the levels of IL-1β, IL-6, TNF-α and NF-КB by using the ELISA and RT-PCR method, respectively.
RESULTS: Compared with C group and S group, E group renal tissue IL-1β, IL-6, TNF-α and NF-КB expression increased significantly, respectively (p < 0.01). Compared with E group, EC group showed renal tissue IL-1β, IL-6, TNF-α and NF-КB expression decreased significantly, respectively (p < 0.05).
CONCLUSION: ECMO enables to inflammatory cytokines including IL-1β, IL-6, TNFα, NF-КB released significantly, renal function impaired and immune homeostasis were to imbalance; ECMO combined with CRRT treatment can alleviate levels of inflammatory cytokines, maintain immune homeostasis balance and thus ameliorate the ECMO-related acute kidney injury(AKI).
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