Cardiac surgery with cardiopulmonary induces a systemic inflammatory response (SIRS). SIRS is broadly defined
as an inflammatory state of the whole body without a proven source of infection. Many pre and postoperative variables
have been defined that have a negative impact on SIRS. Although many strategies have been developed, targeting
given biomarkers very few of these proved to be effective in a clinical setting. In order to better understand why this happened
a new approach for defining SIRS was proposed. This review describes this new concept and the recent patents involved.
Keywords: Cardiopulmonary bypass circuit, coated circuits, ultrafiltration
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