Abstract
The use of autologous blood transfusions in oncologic surgeries is somewhat controversial due to the potential risk of disease dissemination through the salvage process. On the other hand, autologous blood transfusion can prevent the potential negative effects of allogenic blood transfusions and reduce use of valuable resources. This study included 106 adult patients who underwent oncologic liver surgery at our institution between December 2015 and June 2019. The patients were divided into two groups: the Cell Saver® group (operated between January 2018 and June 2019) and the control group (operated between December 2015 and December 2017). The Cell Saver® device was present in the operating room for the Cell Saver® group, and blood was re-transfused if a certain amount of blood loss occurred. Data analysis focused on outcomes such as blood transfusion requirements, overall survival, recurrence-free survival, hemoglobin levels, hospital stay, and complications. Patient records provided relevant information on demographics, surgery details, pathology, and outcomes for both groups. Autologous blood transfusion was found to reduce the amount of blood units needed (4.0 units (control group) versus 0.4 units (Cell Saver® group) P=0.029. Kaplan-Meier curves showed no difference for both overall survival 471.6 days (Cell Saver® group) versus 468.3 days (control group) (P=0.219) and 488.9 days (Cell Saver® group) versus 487.2 days (control group) (P=0.993) and disease-free survival (P=0.553) and (P=0.735) for primary hepatic tumours and hepatic metastasis respectively between the Cell Saver® and control groups. Overall survival regardless of the type of tumour was similar to the control group (485.4d vs. 481.9d) (P=0.503). Survival was significantly lower for minor hepatectomies (516.0d vs. 517.4d) (P=0.050) in the Cell Saver® group, major hepatectomies showed no difference in overall survival (470.2d vs. 466.4d) (P=0.868). No impact on disease recurrence was found between patients who received autologous blood transfusions versus those who did not. The use of Cell Saver® should not be avoided in oncologic surgeries of the liver. Use of Cell Saver® for major hepatectomies might be more beneficial as OS was significantly lower for the Cell Saver® group for patients who underwent minor hepactomies. Further research is needed to explain this conflicting result. Nonetheless, the use of Cell Saver® in autologous blood transfusions can reduce the use of valuable resources and the risks associated with allogenic blood transfusions.
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More From: International journal of surgery (London, England)
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