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Table 2 Platelet count and maximum aggregation ability

From: Intraoperative collection of autologous platelet-rich plasma from the cardiopulmonary bypass circuit upon initiation of extracorporeal circulation

Factors

Mean

SD

Collected platelet-rich plasma (ml)

233.3

43.5

 Buffy (ml)

128.3

34.0

 Plasma (ml)

104.5

18.6

Number of platelets in platelet-rich plasma (×1011)

120.8

69.3

Number of platelets in A blood (×1000/μl)

182.3

31.6

Number of platelets in B blood (× 1000/μl)

63.5

30.5

Number of platelets in C blood (×1000/μl)

93.4

43.1

Maximum aggregation rate in A blood

 1.0 μM ADP (%)

54.7

17.6

 3.0 μM ADP (%)

68.9

13.0

 0.25 μg/ml collagen (%)

40.5

25.3

 2.0 μg/ml collagen (%)

72.7

14.5

Maximum aggregation rate in B blood

 1.0 μM ADP (%)

17.4

5.8

 3.0 μM ADP (%)

25.4

10.8

 0.25 μg/ml collagen (%)

10.5

4.2

 2.0 μg/ml collagen (%)

28.5

16.9

Maximum aggregation rate in C blood

 1.0 μM ADP (%)

21.7

9.5

 3.0 μM ADP (%)

34.1

14.1

 0.25 μg/ml collagen (%)

9.5

2.9

 2.0 μg/ml collagen (%)

38.1

19.6

  1. A: Beginning of surgery (before administration of heparin)
  2. B: After discontinuation of cardiopulmonary bypass and protamine administration
  3. C: After returning autologous platelet-rich plasma