Article Text
Letter to the Editor
The role of non-invasive ventilation in the emergency department
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Editor,—We read with interest the review by Cross of the use of non-invasive ventilation (NIV) in the emergency department.1 We have appraised the evidence concerning the effectiveness of NIV in acute respiratory failure and found further evidence that both supports its use and highlights current controversies.
Although Cross comments on individual studies he does not mention the meta-analysis of trials using NIV in patients with acute respiratory failure.2 By combining the data in these trials the …