SepsisShock, SepticSystemic Inflammatory Response SyndromeCecumPuncturesMultiple Organ FailureBacteremiaIntensive Care UnitsEndotoxemiaLigationCritical IllnessAPACHECalcitoninLipopolysaccharidesInfant, NewbornPeritonitisBacterial InfectionsInfant, Newborn, DiseasesProtein CBurnsGram-Negative Bacterial InfectionsDisease Models, AnimalProspective StudiesHMGB1 ProteinAnti-Bacterial AgentsCytokinesCritical CareEndotoxinsStreptococcus agalactiaePuerperal InfectionBiological Markers