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Pathophysiological aspects of cardiotomy suction usage
Vladimir Svitek1, Vladimir Lonsky, Faraz Anjum
1Department of Anesthesiology, Resuscitation and Intensive Care of Charles University in Prague, Faculty of Medicine in Hradec Kralove, University Hospital in Hradec Kralove, Czech Republic. vladimirsvitek@centrum.cz
Perfusion
|June 29, 2010
Summary
Cardiotomy suction, used in on-pump cardiac surgery, may increase blood loss and organ dysfunction. Excluding it in coronary artery bypass surgery might not raise transfusion needs, suggesting a need to reconsider its routine use.
Area of Science:
- Cardiovascular Surgery
- Transfusion Medicine
- Surgical Hemostasis
Background:
- Cardiotomy suction is standard for autologous blood preservation during on-pump cardiac surgery.
- Its necessity is debated, particularly in coronary artery bypass grafting (CABG), where exclusion doesn't consistently increase transfusion requirements.
Purpose of the Study:
- To evaluate the impact of cardiotomy suction on patient outcomes in on-pump cardiac surgery.
- To determine if routine cardiotomy suction is justified in procedures like CABG.
Main Methods:
- Review of existing literature and clinical data on cardiotomy suction use and non-use.
- Analysis of transfusion rates, inflammatory markers, coagulopathy, microembolic load, hemolysis, and organ dysfunction.
Main Results:
- Cardiotomy suction amplifies systemic inflammatory response and coagulopathy.
- It exacerbates microembolic load and hemolysis, potentially increasing blood loss and transfusion needs.
- Exclusion in CABG did not correlate with higher transfusion requirements.
Conclusions:
- Routine use of cardiotomy suction in on-pump cardiac surgery warrants reconsideration.
- Its detrimental effects on inflammatory response, coagulation, and hemolysis suggest potential harm outweighing benefits in certain procedures like CABG.
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