Abstract
Objective
Although blood transfusion can lead to complications, such as the risk of infection and immunological reactions, hemodilution can also increase the risk of postoperative complications by affecting oxygen delivery to tissues. In this study, we aimed to compare the effects of the minimally invasive extracorporeal circulatory system (MIECC) and the conventional extracorporeal circulatory system on intraoperative hemodilution and blood use in patients undergoing isolated coronary artery bypass grafting (CABG).
Materials and Methods
The study population consisted of patients who underwent isolated CABG between January 2020 and December 2023. A total of 100 patients from two different groups who underwent isolated CABG using the MIECC system and the conventional system were selected, and their data were examined. There were 50 patients in each group; thus, the differences and results between the two methods were analyzed in detail.
Results
Blood usage, hemodilution rate, total amount of fluid taken during the operation, and blood gas serum lactate levels in patients operated on using the MIECC system were significantly lower than those using the conventional system (p<0.05). Additionally, postoperative hematocrit (HCT) values were found to be higher in patients operated on using the MIECC system.
Conclusion
In this study, the differences between the MIECC system and the conventional system in factors such as intraoperative hemodilution, amount of fluid given to the patient, amount of blood use, blood gas serum lactate levels, urine output, and postoperative HCT values in patients who underwent isolated CABG were examined. As a result, the amount of intraoperative blood use, hemodilution rate, total amount of fluid taken during the operation, and blood gas serum lactate levels were lower in patients operated on using the MIECC system compared with the conventional system. Additionally, postoperative HCT values were higher in patients who underwent surgery using the MIECC system.
Keywords: Blood transfusion, hemodilution, cardiopulmonary bypass, MIECC
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