[Comment on article: "Blood products with autologous transfusion versus allogeneic transfusion in cardiac surgery patients"].

Evaluating transfusion options helps reduce the use of blood products and improve their distribution. The study "Blood products with autologous transfusion versus allogeneic transfusion in cardiac surgery patients" shows a comparison between the options available to improve blood management in patients in the surgical stage. We ask the authors for more information on the data analysis performed to improve the understanding of the conclusions obtained.