摘要

objective: to analyze chronic obstructive lung disease (copd) subjects in acute hypercapnic failure who were treated with non-invasive mechanical ventilation in a general respiratory ward. methods: this was a two-year prospective study of 35 patients with acute exacerbation of copd and mean fev1/fvc relation in stable condition of 55.3 ㊣ 14.8% of predicted that were treated with positive pressure respiration using a facemask in a general respiratory ward. 17 (48,5%) receive long-term oxygen therapy. analysis was made of blood gases, before and after treatment of non-invasive ventilation, complications, and failure during treatment. results: a significant improvement in blood gases was observed 24 hours after non-invasive ventilation treatment. the mean hospital stay was of 15.0 ㊣ 9.1 days and failures were registered in 3 cases (8.5%). facial scares were the most common complication (13 patients) but it was possible to continue treatment. conclusions: non-invasive ventilation is a viable treatment for patients with chronic obstructive lung disease and acute hypercapnic failure being treated in a general respiratory ward.

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