Abstract
Background
Allogenic blood transfusions are associated with risks, costs, intermittent shortages, and questionable efficacy. Multiple alternatives have been advocated, and intraoperative autologous blood donation (IAD) or acute normovolemic hemodilution is one of these options.
Methods
Ninety-nine patients were allocated into two groups, group A (n = 50) where intraoperative blood donation was done and group B (n = 49) where standard care was provided without autologous blood donation. Autologous blood was removed and was replaced simultaneously with an equal volume of hydroxyl-ethyl starch solution in group A. Banked blood was transfused in both the groups when the hemoglobin (Hb) was less than 6g/dl on cardiopulmonary bypass (CPB) and less than 9g/dl after CPB.
Results
The two groups were comparable as regard to demographic data, type of surgical procedures, duration of CPB, duration of aortic cross clamp, duration of postoperative ventilation, re-exploration for excessive bleeding, postoperative coagulation profile, chest tube drainage, liver function, and renal function. However, the lowest Hb recorded on CPB was significantly lower in group A (6.7 ± 0.38 vs. 8.1 ± 0.62, p < 0.0001). The postoperative platelet count was higher in group A (1.95 ± 0.21 vs. 1.79 ± 0.18, p value <0.001). Total allogenic blood requirement measured in units (bags) was significantly lower in group A both intraoperatively (0.73 ± 0.52 vs. 1.7 ± 0.44, p < 0.000) and postoperatively (1.58 ± 0.6 vs. 2.3 ± 0.8, p value < 0.0001). Postoperative FFP requirement was also significantly lower in group A—340 ± 102.51 ml vs. 522.65 ± 60.71 ml, p < 0.0001. The intraoperative crystalloid requirement was significantly lower in group A—438.8 ± 116.78 ml vs. 1334.89 ± 362.56 with p value <0.0001.
Conclusion
Autologous intraoperative blood donation is a useful modality to provide better outcome after valve surgery.
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Ghosh, K., SenDasgupta, C. & Mahapatra, S. Our experience of intraoperative autologous blood donation in patients undergoing elective valve surgery. Indian J Thorac Cardiovasc Surg 31, 133–140 (2015). https://doi.org/10.1007/s12055-015-0359-4
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DOI: https://doi.org/10.1007/s12055-015-0359-4