Why the study?
Does cardiotomy suction increase blood loss and complications compared to its avoidance in patients undergoing on-pump CABG?
Does cardiotomy suction increase blood loss and complications compared to its avoidance in patients undergoing on-pump CABG?
Routine use of cardiotomy suction during on-pump CABG is not indicated due to its association with increased systemic inflammation, coagulopathy, and blood loss.
Answers are grounded in this paper and cite their sources.
May warrant avoiding routine cardiotomy suction in on-pump CABG; leaves open confirmation in randomized trials.
Coronary artery bypass grafting (CABG) today results in what may be regarded as acceptable levels of blood loss with many institutions avoiding allogeneic red cell transfusion in over 60% of their patients. The majority of cardiac surgeons employ cardiotomy suction to preserve autologous blood during on-pump coronary artery bypass surgery; however the use of cardiotomy suction is associated with a more pronounced systemic inflammatory response and a resulting coagulopathy as well as exacerbating the microembolic load. This leads to a tendency to increased blood loss, transfusion requirement and organ dysfunction. Conversely, the avoidance of cardiotomy suction in coronary artery bypass surgery is not associated with an increased transfusion requirement. There is therefore no indication for the routine use of cardiotomy suction in on-pump coronary artery surgery.
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Lau et al. (2007) studied this question.
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