* The time of the study: From October 2016 to October 2019 2.2.4 Means of the study 2.2.5 The Procedure 2.2.5.4 The procedure of mobilizing alveolus with machine Avance CS2 After the patients have the average blood pressure higher than 7 65 mmHg, mobilize alveolus with the procedure of using Vital Capacity with breathing machine Avance CS2.