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Table 1 Variables measured

From: Retrograde autologous priming of the cardiopulmonary bypass circuit - effective and safe blood conservation

 

Control

RAP

P

ANH donation (ml)

446.4

628.3

0.015

RAP volume removed (ml)

-

788.8

-

Oxygenator reservoir volume at 30 min (ml)

1133.8

640.0

< 0.001

Preoperative haematocrit (%)

43.1

43.0

NS

Haematocrit on CPB (%)

23.8

24.6

NS

Haematocrit on admission to the ICU (%)

27.0

28.8

0.040

Haematocrit at discharge (%)

31.7

33.5

0.030

Homologous blood transfusion (%)

47.5

20

0.009

Homologous blood transfusion per patient (ml)

296.7

81.9

0.003

Postoperative troponin T > 1 μg/l (%)

10

12.5

NS

Q-wave myocardial infarction (%)

2.5

2.5

NS

  1. ICU, intensive care unit; NS, not significant.