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Comparative Study
[Comparison by simulation of the efficiency of surgical blood order equation (SBOE) with that of maximum surgical blood order schedule (MSBOS)].
- Y Sakurai and C Okada.
- Division of Anesthesiology, Chiba Rosai Hospital, Ichihara 290-0003.
- Masui. 2001 Jan 1;50(1):69-75.
AbstractThe maximum surgical blood order schedule (MSBOS) is used to promote efficient blood ordering practice for surgical patients. A surgical order equation (SBOE) was developed to calculate the number of units of red blood cells that should be ordered considering specific patient variables. We compared the efficiency of SBOE with that of the MSBOS by simulations. A retrospective study compared the SBOE with the MSBOS for ordering red blood cells units (MAP) in patients for six types of operations at our hospital. The SBOE was calculated as follows: SBOE (units) = mean blood loss (g)/200 - (preoperative Hb - postoperative Hb) divided by (40/body weight (kg)). The SBOE reduced the ordered units more effectively than the MSBOS. The SBOE reduces crossmatch-to-transfusion ratio (C/T ratio) from 1.2 to 1.6 but it would reduce the ordered units in statistical significance in only two of six types of operations. In conclusion, the SBOE could improve C/T ratio.
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