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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