Urine output per hour and MAP was improved after treatment in both groups , and no significant difference was found between treatment group and control group ( urine output : 48 hours after treatment 55.6731.43 mL vs. 45.3411.79 mL , t = 0.934 , P = 0.323 ; 1 week after treatment 71.6737.23 mL vs. 75.3522.88 mL , t = 1.280 , P = 0.210 ; MAP : 48 hours after treatment 72.1333.24 mmHg vs. 69.2839.98 mmHg , t = 1.408 , P = 0.179 ; 1 week after treatment 71.4421.98 mmHg vs. 72.3231.11 mmHg , t = 1.184 , P = 0.252 ] .