5、essurealsodetectedatsamepoint.RESULTSThereeisshorterthanthatofcontrolgroup(P<0.05).Inpost-ECC2hours,trialgroupTNF-αisloakesignificantdifferences.Tonaryarterypressurehavenotsignificantdifference.CONCLUSIONZero-balancedultrafiltrationcanprotectpatient'slungfunctiontosomeextent. K