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危重哮喘持续发作时可导致氧分压下降和二氧化碳储留，极少数患者因综合治疗无效需行人工辅助机械通气来挽救生命。1995年10月～1997年2月我院对4例发生神志改变，存在严重呼吸性酸中毒的危重哮喘患者进行小潮气量、低通气致容许性高碳酸血症通气治疗，现报告如下。临床资料一
Persistent severe asthma attacks can lead to a decrease in oxygen partial pressure and carbon dioxide storage, and very few patients save life by artificial assisted mechanical ventilation due to ineffective combination therapy. From October 1995 to February 1997, our hospital treated four patients with congenital changes who had severe respiratory acidosis in critically ill asthmatic patients with low tidal volume and hypoventilation due to hypercapnia. The report is as follows. One clinical data