Changing of lactate concentration and urine output The results showed that lactate concentration decreased significantly after 24 hours: 7.9 ± 4.2 mmol / l decreased to 3.1 ± 1.1 mmol / l, the difference between the survival and mortality groups in the 24th hour after placing the ball (2.2 ± 1.5 against 3.9 ± 1.4).