Résumé
Objective To investigate the effect of lung recruitment maneuver on alveolar collapse after fiber support bronchoscopy,and to evaluate its clinical value.Methods Since April 2014 and April 2017 in underwent deep hypothermia and stop of 60 cases of hypoxemia in patients with postoperative aortic circulation as the research object,according to the random number distribution method.The average score of the two groups,each group with 30 cases in each.The control group was treated with conventional fiber bronchoscopy and end expiratory positive pressure ventilation in the treatment,observation group patients on the basis of the application of lung recruitment method to carry on the treatment.Observation compared two groups of patients with lung recruitment maneuver and respiration and circulation of the parameter variations and mechanical ventilation in time.Results Two groups of patients with treatment of the parameters,the difference was not statistically significant (P ＞0.05);after treatment,observation group of patients with oxygen synthetic index and mechanical ventilation time and the control group was significant difference compared with statistical significance(P ＜ 0.05);and two groups of patients with arterial carbon dioxide into change of pressure and tidal volume before and after the treatment were not significant,no statistical significance(P ＞ 0.05).Two groups of patients with the circulatory system index tends to be stable,no significant change (P ＞0.05).Conclusion The use of bronchoscopy in patients with aortic dissection after the examination of hypoxia,application of lung recruitment maneuver method for treatment,can improve the patient's oxygenation index,reduce the time of mechanical ventilation in patients with.