RT Journal Article SR Electronic T1 Noninvasive ventilation after intubation and mechanical ventilation JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 959 OP 965 DO 10.1183/09031936.02.00299702 VO 19 IS 5 A1 M. Ferrer A1 O. Bernadich A1 S. Nava A1 A. Torres YR 2002 UL http://erj.ersjournals.com/content/19/5/959.abstract AB Patients with chronic airflow obstruction who are difficult to wean from mechanical ventilation are at increased risk of intubation-associated complications and mortality because of prolonged invasive mechanical ventilation. Noninvasive positive pressure ventilation may revert most of the pathophysiological mechanisms associated with weaning failure in these patients. Several randomized controlled trials have shown that use of noninvasive ventilation to achieve earlier extubation in difficult-to-wean patients or in patients who develop respiratory failure after apparently successful extubation can result in reduced periods of endotracheal intubation and complication rates and improved survival. However, this is not a consistent finding, and the currently available published data with outcome as the primary variable are exclusively from patients who had pre-existing lung disease. In addition, the patients were haemodynamically stable, with a normal level of consciousness, no fever and a preserved cough reflex. It remains to be seen whether noninvasive positive pressure ventilation has a role in other patient groups and situations, such as prevention of postextubation failure or unplanned extubation. The technique is, however, a useful addition to the therapeutic armamentarium for a group of patients who pose a significant clinical and economic challenge. This study was supported by grant No. 1999 SGR 00228 from the Department of Universities and Research, Generalitat of Catalonia, Catalonia, Spain, and the Institut d'Investigacions Biomèdiques August Pi i Sunyer, Spain.