At the first 12hr of HVHF, the MAP is up (88.4 ± 18 / 73.4 ± 20.6), dose of Noradrenalin (0.13 ± 0.9 / 0.45 ± 0.5 μg / kg / min) as well as uremia (23.8 ± 17.9 / 34.8 ± 23.6 mmol / L), creatinemia (1.58 ± 0.96 / 2.33 ± 1.7 mg%) are down with p < 0.05. There are improvement of PaO2/FiO2 (233.4 ± 97 / 192.3 ± 95.3), pH (7.35 ± 0.08 / 7.29 ± 0.13) with p < 0.05).