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Published on: July 17, 2012
Modulation of systemic inflammatory response after cardiac surgery
Shahzad G Raja1, Gilles D Dreyfus
1Department of Cardiac Surgery, Royal Hospital for Sick Children, Yorkhill NHS Trust, Dalnair Street, Glasgow G3 8SJ, Scotland, United Kingdom. drrajashahzad@hotmail.com
Insights
Cardiac surgery and cardiopulmonary bypass trigger a systemic inflammatory response. Controlling this inflammation is crucial for patient recovery and is an active area of research.
Area of Science:
- Cardiovascular Surgery
- Immunology
- Inflammation Research
Background:
- Cardiac surgery and cardiopulmonary bypass (CPB) induce a systemic inflammatory response.
- This reaction is primarily driven by blood interacting with foreign surfaces and complement system activation.
- Persistent inflammation post-cardiac surgery poses potential harm to patients.
Purpose of the Study:
- To review current understanding of the systemic inflammatory response after cardiac surgery.
- To discuss various therapeutic strategies employed to modulate this response.
Main Methods:
- Review of current concepts and clinical studies on post-cardiac surgery inflammation.
- Examination of diverse therapeutic techniques for inflammation control.
Main Results:
- Cardiopulmonary bypass is a known initiator of a whole-body inflammatory reaction.
- The intensity of this inflammatory response can vary significantly among patients.
- Ongoing research focuses on developing strategies to manage this post-operative inflammation.
Conclusions:
- Managing the systemic inflammatory response is a critical aspect of cardiac surgery care.
- Multiple strategies are being investigated to mitigate the harmful effects of inflammation.
- Further research is needed to optimize therapeutic interventions for cardiac patients.
Abstract:
Cardiac surgery and cardiopulmonary bypass initiate a systemic inflammatory response largely determined by blood contact with foreign surfaces and the activation of complement. It is generally accepted that cardiopulmonary bypass initiates a whole-body inflammatory reaction. The magnitude of this inflammatory reaction varies, but the persistence of any degree of inflammation may be considered potentially harmful to the cardiac patient. The development of strategies to control the inflammatory response following cardiac surgery is currently the focus of considerable research efforts. Diverse techniques including maintenance of hemodynamic stability, minimization of exposure to cardiopulmonary bypass circuitry, and pharmacologic and immunomodulatory agents have been examined in clinical studies. This article briefly reviews the current concepts of the systemic inflammatory response following cardiac surgery, and the various therapeutic strategies being used to modulate this response.
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