But the positive pressure ventilation can make the intrathoracic pressure raised and cause a series complication accordingly, also include the ventilation associated pneumonia caused by secondary infection of tracheal intubation.
但机械通气时的正压通气可造成胸内压升高而引起一系列并发症,还包括气管插管继发感染引起的呼吸机相关性肺炎等。
参考来源 - COPD呼吸衰竭机械通气患者两种不同通气模式的比较·2,447,543篇论文数据，部分数据来源于NoteExpress
However, mechanical ventilation could not only improve respiratory function, but have a direct impact on hemodynamics by changing the intrathoracic pressure and lung volume.
然而，机械通气不仅能够改善呼吸功能，而且通过胸腔内压力及肺容积的改变，直接影响患者血流动力学。
Results Paradoxical respiration occurred and the intrathoracic pressure kept negative but with no bulge of malactic tissues after the fulfilment of the floating thoracic wall models.
结果浮动胸壁模型完成后，均出现反常呼吸，胸腔内压力为负值，未出现软化部分膨出；
Any form of positive-pressure ventilation is deleterious during cardiac arrest because the increase in intrathoracic pressure decreases venous return to the heart and perfusion of the heart and brain.
因为正压通气会提高胸内压，减少静脉回流，进而减少心脑血液灌注。
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