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Splenectomy modulates early immuno-inflammatory responses to trauma-hemorrhage and protects mice against secondary sepsis.


ABSTRACT: In polytrauma patients, the impact of splenectomy is equivocal, ranging from negative to protective. We investigated the impact of splenectomy on immune responses in the 1st-hit polytrauma alone and on survival in the post-traumatic sepsis (2nd hit). Female BALB/c mice underwent polytrauma (1st hit) consisting of either a) TH: femur fracture, hemorrhagic shock or b) TSH: splenectomy, femur fracture, hemorrhagic shock. Additionally, the polytrauma hit was followed by cecal ligation and puncture (CLP) 48?h later and compared to CLP alone. Splenectomy improved the 28-day survival in secondary sepsis to 92% (from 62%), while TH lowered it to 46% (p?st hit solely based on the common immuno-inflammatory parameters could be misleading.

SUBMITTER: Drechsler S 

PROVIDER: S-EPMC6173732 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature

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Splenectomy modulates early immuno-inflammatory responses to trauma-hemorrhage and protects mice against secondary sepsis.

Drechsler S S   Zipperle J J   Rademann P P   Jafarmadar M M   Klotz A A   Bahrami S S   Osuchowski M F MF  

Scientific reports 20181005 1


In polytrauma patients, the impact of splenectomy is equivocal, ranging from negative to protective. We investigated the impact of splenectomy on immune responses in the 1<sup>st</sup>-hit polytrauma alone and on survival in the post-traumatic sepsis (2<sup>nd</sup> hit). Female BALB/c mice underwent polytrauma (1<sup>st</sup> hit) consisting of either a) TH: femur fracture, hemorrhagic shock or b) TSH: splenectomy, femur fracture, hemorrhagic shock. Additionally, the polytrauma hit was followed  ...[more]

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