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Table 2. Comparison of Potential Efficacy of ANH in Two Theoretical Patients of Differing Sizes, with Expected Surgical Blood Losses of 4.0, 6.0, and 8.0 l

Theoretical patient 1 is male, 60 kg, 157.5 cm tall. Theoretical patient 2 is male, 90 kg, 182.9 cm tall. Blood volume was estimated using the equation from reference 8. For both patients, Ho= 0.45 and Ht= 0.21. Note that the determinants of the likely utility of acute normovolemic hemodilution (ANH), VRem/VBld, and VLOSSmax/VBldare the same for both patients but that the degree of efficacy (erythrocytes saved) is not.

* Use of any conservation strategy, including ANH, or transfusion of erythrocytes would not be necessary (expected blood loss/VBldis less than VRem/VBld).

EBL = expected blood loss; see text for definitions of other abbreviations.

Table 2. Comparison of Potential Efficacy of ANH in Two Theoretical Patients of Differing Sizes, with Expected Surgical Blood Losses of 4.0, 6.0, and 8.0 l
Table 2. Comparison of Potential Efficacy of ANH in Two Theoretical Patients of Differing Sizes, with Expected Surgical Blood Losses of 4.0, 6.0, and 8.0 l
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