随着机械通气技术的不断发展及心脏疾患治疗手段的增多 ,越来越多的心脏病患者在抢救和治疗过程中需要应用机械通气这一有效的生命支持措施来提高其存活率。但临床医生尤其是心脏科医生显然还未对机械通气对心血管系统的影响有足够正确的认识 ,过分重视机械通气对心血管的不利 With the continuous development of mechanical ventilation technology and the increase in the treatment of heart disease, more and more heart disease patients need to apply mechanical ventilation as an effective life support measure to improve the survival rate during the rescue and treatment. However, it is clear that clinicians, especially cardiologists, have not yet sufficiently correctly understood the effects of mechanical ventilation on the cardiovascular system and placed too much emphasis on the adverse cardiovascular effects of mechanical ventilation