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Minimizing systemic inflammation during cardiopulmonary bypass in the pediatric population
1Department of Perfusion and Intensive Care, CCML, Le Plessis-Robinson, France.
Insights
Cardiopulmonary bypass (CPB) triggers a systemic inflammatory response, involving complement, cytokine, and coagulation cascades. Controlling this inflammation, crucial for patient outcomes, likely requires a multimodal approach.
Area of Science:
- Cardiovascular Surgery
- Immunology
- Critical Care Medicine
Background:
- Cardiopulmonary bypass (CPB) induces a systemic inflammatory response.
- Inflammation involves complement, cytokine, and coagulation cascade activations.
- The balance between inflammatory and anti-inflammatory responses dictates clinical outcomes.
Purpose of the Study:
- To review strategies for reducing CPB-related systemic inflammation.
- To highlight the complexity of managing CPB-induced inflammation.
- To emphasize the need for multimodal approaches.
Main Methods:
- Literature review of studies on CPB and systemic inflammation.
- Analysis of inflammatory cascade activations during CPB.
- Evaluation of proposed anti-inflammatory strategies.
Main Results:
- CPB consistently triggers systemic inflammation via multiple pathways.
- Systemic inflammatory response syndrome (SIRS) is common post-cardiac surgery.
- Current strategies to mitigate inflammation are not fully satisfactory.
Conclusions:
- Minimizing CPB-induced systemic inflammation is a significant clinical challenge.
- Effective control likely necessitates a multimodal therapeutic strategy.
- Further research into comprehensive anti-inflammatory interventions is warranted.
Abstract:
Cardiopulmonary bypass (CPB) is known to cause a systemic inflammatory response. Inflammation includes several cascade activations: complement, cytokine, and coagulation. The early phase is triggered by blood contact with the synthetic bypass circuit and the late phase by ischemia-reperfusion and endotoxemia. Systemic inflammatory response syndrome (SIRS) is constant following cardiac surgery; however, a compensatory anti-inflammatory response is also constant and the clinical manifestations (varying from uncomplicated SIRS to shock and multiple organ dysfunction) depend on the balance between the two responses. When overexpressed, the inflammatory response may significantly increase a patient's risk. Minimization of systemic inflammation is a major concern and several strategies aiming to inhibit the inflammatory response are described. None of them is satisfactory, but the "control" of the inflammatory response extent is likely to require a multimodal approach. This review aims to describe the strategies proposed to reduce CPB-related systemic inflammation.
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