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Table 1 Summary of hemodynamic data

From: Effect of regulating airway pressure on intrathoracic pressure and vital organ perfusion pressure during cardiopulmonary resuscitation: a non-randomized interventional cross-over study

  STD ACD ACD-ITD ACD-ITPR
SBP 59.4 ± 7.7 63.1 ± 7.9* 71.3 ± 9.8*,** 75.4 ± 11.6*,**
DBP 21.7 ± 3.6 16.4 ± 3.0 21.5 ± 4.6 23.8 ± 5.4**
Pra max 58.2 ± 7.6 68.1 ± 10.5* 70.4 ± 9.6* 74.3 ± 9.8*
Pra min 1.8 ± 1.6 −0.5 ± 1.7 −1.4 ± 1.6* −2.4 ± 1.4*
Pra mean 23.3 ± 2.9 21.8 ± 3.8 22.5 ± 3.3 23.7 ± 3.6
ICP 20.9 ± 1.1 19.0 ± 1.5 19.7 ± 1.7 19.9 ± 2.1
CePP 13.0 ± 3.1 13.2 ± 3.0 17.1 ± 4.1 19.0 ± 5.3*,**
CPP 12.9 ± 3.0 11.6 ± 1.7 16.7 ± 2.9** 18.1 ± 3.6*,**
CBF 37.7 ± 6.4 48.8 ± 8.7* 53.3 ± 9.0* 57.4 ± 10.5*
ETCO2 21.5 ± 2.2 23.7 ± 3.1 30.3 ± 1.9*,** 30.3 ± 3.5*,**
  1. Values are shown as mean ± SEM. All pressures are in mm Hg and all flows in mL/min. Data are derived from 8 animals except for ICP, CePP and ETCO2 (n = 6)
  2. STD standard, ACD active compression decompression, ITD impedance threshold device, ITPR intrathoracic pressure regulator, SBP and DBP systolic and diastolic aortic blood pressure, Pra right atrial pressure, ICP intracranial pressure, CePP cerebral perfusion pressure, CPP coronary perfusion pressure, CBF carotid blood flow, ETCO 2 end-tidal CO2; max, maximum,;min, minimum
  3. *denotes p < 0.05 for STD vs. (ACD, ACD ITD, ACD ITPR)
  4. **denotes p < 0.05 for ACD vs. (ACD ITD, ACD ITPR)