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Revista mexicana de anestesiología

versión impresa ISSN 0484-7903


SANTIAGO-LOPEZ, Janaí; LEON-RAMIREZ, Víctor; BARRAGAN-ZAMORA, José Antonio  y  MERINO-MACHUCA, Yeraldi Azucena. Effect of the use of operative blood salvage on the pulmonary gas exchange in patients undergoing cardiac surgery. Rev. mex. anestesiol. [online]. 2021, vol.44, n.3, pp.173-177.  Epub 04-Oct-2021. ISSN 0484-7903.


It has been suggested that the use of a cell saver reduces the content of proinflammatory cytokines after cardiac surgery, improving the balance of these cytokines in the systemic circulation, which in turn could minimize the inflammatory response that contributes to postoperative pulmonary dysfunction.


To compare the postoperative gas exchange in patients undergoing cardiac surgery with the use of cell saver and without it.

Material and methods:

A prospective cohort study that included 253 patients undergoing cardiac surgery under cardiopulmonary bypass. The patients were assigned to two study groups depending on whether a cell saver was used: group I (without cell saver) and group II (with cell saver). The PaO2/FiO2 ratio and the postoperative respiratory morbidity were then estimated. The analysis was done using descriptive and inferential statistics by means of the Student t test and Mann-Whitney U test. A p < 0.05 was considered significant. The data were processed using SPSS v. 24.0.


59.29% of patients underwent surgery with the use of a cell saver. The PaO2/FiO2 ratio was lower in group II (p = 0.018). There were no differences between groups in respiratory morbidity 30 days after surgery (p = 0.943).


The postoperative gas exchange is lower in patients undergoing cardiac surgery with the use of a cell saver than without it.

Palabras llave : Cardiac surgery; operative blood recovery; pulmonary gas exchange.

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