RESULTS	Cardiac index ( CI ) ( L/min ) was higher in the AT group , 2.5 + / - 0.5 , 2.6 + / - 0.5 * , 3.2 + / - 0.6 * , 3.3 + / - 0.5 * , 3.1 + / - 0.7 at the respective time points , compared to the RTC group , 2.3 + / - 0.6 , 2.1 + / - 0.2 , 2.6 + / - 0.7 , 2.7 + / - 0.7 , 2.7 + / - 0.7 ( * p < 0.05 ) .\