( 3 ) Hemodynamic parameters : in control group , arterial partial pressure of oxygen , oxygen saturation and left ventricular ejection fraction , pulmonary systolic pression were ( 80 5 ) % to ( 72 8 ) % , ( 87 8 ) to ( 83 9 ) mmHg ( 1 mmHg = 0.133 kPa ) , 0.77 0.24 to 0.70 0.38 and ( 63 9 ) to ( 69 12 ) mmHg before and after treatment , which showed remarkable decreased trends ( P < 0.05 ) .