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Table 1 Comparison of the baseline hemodynamic measurements between animals allocated to protocol A or B

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

Parameter Animals of protocol A (n = 5) Animals of protocol B (n = 5) p value
Systolic aortic pressure (mmHg) 124 ± 4 120. ± 9 0.36
Diastolic aortic pressure (mmHg) 92 ± 8 82 ± 8 0.10
 Systolic LV pressure (mmHg) 113 ± 9 116 ± 21 0.76
 Diastolic LV pressure (mmHg) 7 ± 7 5 ± 4 0.46
 Systolic RV pressure (mmHg) 21 ± 7 24 ± 20 0.80
 Diastolic RV pressure (mmHg) 2 ± 1 2 ± 2 0.75
  Mean RA pressure (mmHg) 3 ± 2 3 ± 3 0.93
   dp/dt RV max. (mmHg/s) 143 ± 48 190 ± 102 0.38
   dp/dt RV min. (mmHg/s) − 135 ± 32 − 155 ± 37 0.40
   dp/dt LV max. (mmHg/s) 435 ± 198 551 ± 343 0.54
   dp/dt LV min. (mmHg/s) − 445 ± 203 − 461 ± 154 0.89
    CBF (mL/min) 232 ± 147 198 ± 83 0.67
    EtCO2 (mmHg) 45 ± 6 44 ± 5 0.66
  1. All variables are shown as mean ± standard deviation. Baseline indicates measurements before induction of cardiac arrest
  2. RA right atrium, RV right ventricle, LV left ventricle, max. maximum, min. minimum, CBF carotid blood flow, EtCO 2 end-tidal CO2 concentration