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Table 4 Comparison of coronary blood flow, end-tidal carbon dioxide concentration, and coronary perfusion pressure between CCT-CPR and UCT-CPR

From: Presence of chest tubes does not affect the hemodynamic efficacy of standard cardiopulmonary resuscitation

Parameter

CCT-CPR for 1st 3 min (n = 10)

UCT-CPR for 1st 3 min (n = 10)

p value

CCT-CPR for 2nd 3 min (n = 10)

UCT-CPR for 2nd 3 min (n = 10)

p value

EtCO2 (mmHg)

40 ± 10

34 ± 6

0.662

31 ± 5

38 ± 11

0.215

CBF (mL/min)

143 ± 151

158 ± 94

0.851

159 ± 107

103 ± 113

0.439

CPP (mmHg)

12 ± 5.2

16 ± 5

0.252

13 ± 7

9 ± 5

0.410

  1. All variables are shown as mean ± standard deviation
  2. EtCO 2 end-tidal carbon dioxide concentration, CBF carotid blood flow, CPP coronary perfusion pressure, CCT-CPR cardiopulmonary resuscitation with clamped chest tubes, UCT-CPR cardiopulmonary resuscitation with unclamped chest tubes