Median values of plasma TNF-α (ng / ml) concentrations tend to decrease but bear no statistical significance, p>0, 05: 13.1 (6.3 - 22.4) (before CHF), 12, 1 (5.8 - 19.8) (8 hours), 9.8 (6.3 - 29.4) (24 hours), 9.9 (5.7 - 19.0) (48 hours).