Skip to main content

Table 2 Hemodynamics and blood gas analyses

From: Load-distributing band improves ventilation and hemodynamics during resuscitation in a porcine model of prolonged cardiac arrest

 

Baseline

CPR 4 min

CPR 8 min

CPR 12 min

ROSC 1 h

AOD (kPa)

     

A-CPR

11.2 ± 0.5

3.8 ± 0.3 a

4.1 ± 0.4 a

3.9 ± 0.4 a

9.9 ± 0.6

C-CPR

11.2 ± 0.5

4.2 ± 0.4 a, b

4.0 ± 0.3 a

3.9 ± 0.4 a

9.7 ± 0.6

V-CPR

11.1 ± 0.5

3.7 ± 0.3 a, e

3.7 ± 0.3 b, c, e

3.2 ± 0.4 b, e

9.8 ± 0.6

M-CPR

11.1 ± 0.5

3.2 ± 0.3

3.2 ± 0.3

3.5 ± 0.4

9.5 ± 0.4

RAD (kPa)

     

A-CPR

0.41 ± 0.13

0.80 ± 0.10

0.89 ± 0.10

1.00 ± 0.13

0.86 ± 0.11

C-CPR

0.37 ± 0.14

0.80 ± 0.10

0.84 ± 0.11

0.96 ± 0.07

0.84 ± 0.11

V-CPR

0.37 ± 0.12

0.80 ± 0.10

0.85 ± 0.11

0.95 ± 0.10

0.85 ± 0.11

M-CPR

0.39 ± 0.13

0.74 ± 0.12

0.85 ± 0.07

0.95 ± 0.11

0.80 ± 0.08

CPP (kPa)

     

A-CPR

10.8 ± 0.5

3.0 ± 0.3 a

3.2 ± 0.4 a

2.9 ± 0.4 a

9.0 ± 0.6

C-CPR

10.8 ± 0.5

3.4 ± 0.4 a, b

3.2 ± 0.4 a

2.9 ± 0.4 a

8.9 ± 0.7

V-CPR

10.7 ± 0.5

2.9 ± 0.3 a, e

2.7 ± 0.4 b, e

2.5 ± 0.4 d, e

8.9 ± 0.6

M-CPR

10.7 ± 0.4

2.5 ± 0.3

2.4 ± 0.3

2.2 ± 0.4

8.7 ± 0.3

CO (L/min)

     

A-CPR

3.74 ± 0.17

-

-

-

2.77 ± 0.31

C-CPR

3.80 ± 0.21

-

-

-

2.88 ± 0.14

V-CPR

3.80 ± 0.13

-

-

-

2.88 ± 0.12

M-CPR

3.66 ± 0.20

-

-

-

2.77 ± 0.20

pH

     

A-CPR

7.43 ± 0.04

7.46 ± 0.02 a

7.44 ± 0.03 a

7.30 ± 0.03 a

7.37 ± 0.03

C-CPR

7.43 ± 0.04

7.44 ± 0.02 c

7.41 ± 0.03 a

7.29 ± 0.03 a

7.36 ± 0.04

V-CPR

7.42 ± 0.03

7.44 ± 0.03 c

7.41 ± 0.03 a

7.28 ± 0.03 a

7.36 ± 0.04

M-CPR

7.43 ± 0.04

7.42 ± 0.04

7.36 ± 0.06

7.22 ± 0.07

7.36 ± 0.02

PaO2 (kPa)

     

A-CPR

11.6 ± 0.6

9.8 ± 0.5 a

9.2 ± 0.5 a

7.1 ± 0.4 a

11.0 ± 0.7 a

C-CPR

11.8 ± 0.7

9.8 ± 0.4 a

8.9 ± 0.4 a

6.9 ± 0.5 a

10.5 ± 0.7 d

V-CPR

11.9 ± 0.7

9.7 ± 0.4 a

8.9 ± 0.4 a

6.9 ± 0.5 a

10.5 ± 0.8

M-CPR

11.4 ± 0.6

9.1 ± 0.9

7.7 ± 1.0

6.0 ± 0.6

10.3 ± 0.4

PaCO2 (kPa)

     

A-CPR

5.1 ± 0.4

4.1 ± 0.6 a

5.3 ± 0.6 a

6.7 ± 0.4 a

4.9 ± 0.2

C-CPR

5.1 ± 0.4

4.8 ± 0.4 b

6.0 ± 0.4 b

7.4 ± 0.6 b, c

4.9 ± 0.2

V-CPR

5.3 ± 0.3

4.0 ± 0.2 a, e

5.3 ± 0.4 a, e

6.8 ± 0.5 a, e

5.0 ± 0.3

M-CPR

4.9 ± 0.3

4.8 ± 0.5

6.4 ± 0.3

8.0 ± 0.8

4.8 ± 0.1

  1. A multivariate analysis of variance revealed significant differences in AOD, CPP, PaO2 and PaCO2 during CPR at each time point between groups having undergone load-distributing band CPR and manual CPR. Changes over time were determined by ANOVA with repeated measures. Significant differences in parameters between groups were determined using a multivariate ANOVA.
  2. a. p < 0.01, vs. M-CPR group; b. p < 0.01, vs. A-CPR group; c. p < 0.05, vs. M-CPR; d. p < 0.05, vs. A-CPR group; e. p < 0.01, vs. C-CPR group.
  3. CPR: cardiopulmonary resuscitation; A-CPR: load-distributing band 30:2 CPR; C-CPR: continuous load-distributing band CPR without rescue ventilation; V-CPR: continuous load-distributing band CPR with continuous rescue ventilation; M-CPR: manual 30:2 CPR; AOD: diastolic aortic pressure; RAD: diastolic right atrial pressure; CPP: coronary perfusion pressure.