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Effects of Propranolol on the Hepatic Hemodynamic Response to Physical Exercise
in Patients With Cirrhosis
| table 3. Systemic Hemodynamics in Baseline
Conditions, After Placebo or Propranolol Administration, During Exercise
and 30 Minutes After Recovery Period |
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Placebo or Propranolol Infusion
|
| Baseline |
Pre-exercise |
Exercise |
Recovery |
ANOVA |
|
HR (beats · min 1) |
| Placebo |
81 ± 5 |
78 ± 5 |
119 ± 5*,.gif) |
84 ± 5 |
0.000 |
| Propranolol |
83 ± 2 |
66 ± 1* |
100 ± 2*, |
72 ± 2* |
0.000 |
| MAP (mm Hg) |
| Placebo |
99 ± 4 |
96 ± 4 |
126 ± 11*, |
95 ± 4 |
0.003 |
| Propranolol |
100 ± 4 |
98 ± 4 |
113 ± 4*, |
90 ± 6* |
0.01 |
CO (L · min1) |
|
|
|
| Placebo |
9.9 ± 0.8 |
9.7 ± 1.0 |
17.6 ± 0.5*, |
9.0 ± 2.0 |
0.004 |
| Propranolol |
8.2 ± 0.6 |
6.2 ± 0.5* |
11.1 ± 0.8*, |
5.9 ± 0.5* |
0.000 |
| SV (mL) |
| Placebo |
105 ± 8 |
103 ± 9 |
148 ± 6*, |
90 ± 7 |
0.03 |
| Propranolol |
98 ± 8 |
93 ± 8 |
110 ± 7 |
81 ± 6 |
ns |
| SVR (dyn · s · cm5) |
| Placebo |
842 ± 113 |
807 ± 106 |
464 ± 51*, |
887 ± 298 |
0.05 |
| Propranolol |
1,022 ± 96 |
1,329 ± 139 |
770 ± 83*, |
1,215 ± 161 |
0.02 |
| PAP (mm Hg) |
| Placebo |
13.0 ± 2.3 |
12.3 ± 2.7 |
27.5 ± 6.1*, |
10.0 ± 2.0 |
0.05 |
| Propranolol |
13.6 ± 1.2 |
16.5 ± 1.4 |
38.7 ± 2.8*, |
14.1 ± 1.7 |
0.000 |
| PCP (mm Hg) |
|
|
|
| Placebo |
6.7 ± 1.2 |
6.0 ± 2.6 |
18.8 ± 5.1*, |
3.3 ± 0.3 |
0.05 |
| Propranolol |
7.6 ± 0.5 |
11.4 ± 0.8 |
30.0 ± 2.4*, |
7.9 ± 1.0 |
0.000 |
| RAP (mm Hg) |
| Placebo |
3.2 ± 0.8 |
3.7 ± 1.4 |
8.2 ± 2.0 |
6.3 ± 3.3 |
ns |
| Propranolol |
4.7 ± 0.7 |
6.6 ± 0.9 |
16.4 ± 2.6*, < |
7.5 ± 2.6* |
0.001 |
| PVR (dyn · s · cm5) |
| Placebo |
52 ± 6 |
55 ± 8 |
40 ± 9 |
67 ± 31 |
ns |
| Propranolol |
59 ± 9 |
67 ± 11 |
72 ± 15 |
84 ± 11 |
ns |
|
NOTE. Data are shown as means ± SEM.
Abbreviations: SV, stroke volume; SVR, systemic vascular resistance;
PAP, mean pulmonary artery pressure; PCP, wedged pulmonary capillary
pressure; RAP, right atrial pressure; PVR, pulmonary vascular resistance;
ns, not significant.
* P < .05 vs.
baseline.
P < .05 vs.
pre-exercise.
Measured in 5 patients
in placebo group and in 6 patients in propranolol group. |
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