Table 1 LVPVR parameters during control, adrenaline and beta-blockade

Apnea measurement

HR

(bpm)

122 ± 14

122 ± 14 #

100 ±

SV

(mL)

55.2 ± 5.5

66.5 ± 12.6#

48.1 ± 8.3 #

CO

(L/min)

6.7 ± 0.9

9.6 ± 1.9 #

4.8 ± 0.9 #

V es

(mL)

40.9 ± 4.8

36.1 ± 8.0

68.3 ± 14.4 #

V ed

(mL)

92.5 ± 7.0

97.7 ± 15.8

113.9 ± 18.6 #

P es

(mm Hg)

121.3 ± 5.3

121.0 ± 9.6

105.0 ± 9.6 #

P ed

(mm Hg)

14.6 ± 3.3

14.1 ± 3.9

18.7 ± 3.2

dPdt max

(mm Hg/s)

2745 ± 252

5532 ± 752 ±

1557 ± 318 #

EF

(%)

59.7 ± 3.6

68.1 ± 7.4 #

43.0 ± 5.6 #

SW

(mm Hg·mL)

6227 ± 697

8215 ± 1471 #

4306 ± 926 #

Tau

(ms)

34.3 ± 3.0

23.3 ± 1.8 #

46.4 ± 12.3

PHT

(ms)

21.1 ± 1.5

14.6 ± 1.3 #

30.9 ± 7.0 #

dPdt min

(mm Hg·mL)

-2919 ± 175

-3587 ± 401 #

-1986 ± 289 #

PWR max

(mm Hg·mL/s)

44105 ± 5647

68020 ± 15038 #

32687 ± 5784 #

PWR max /EDV²

5.29 ± 0.85

7.83 ± 2.13 #

3.02 ± 1.02 #

dPdt /EDV

(mm Hg/s/mL)

30.0 ± 3.0

62.3 ± 16.1 #

15.3 ± 5.7 #

VCBO measurement

Ees

(mm Hg/mL)

1.04 ± 0.20

1.74 ± 0.54

1.06 ± 0.31

PRSW

(mm Hg)

74.1 ± 10.2

104.0 ± 14.8 #

51.3 ± 12.9 #