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Noninvasive ventilation after lung resection
Critical Care volume 5, Article number: 73650 (2001)
When compared with the usual regime of oxygen supplementation, noninvasive positive pressure ventilation (NIPPV) has been shown to have a number of advantages: it can decrease the need for endotracheal intubation in unselected patients with acute respiratory failure (see Additional information ); in immunosuppressed patients it can decrease ICU mortality (see Additional information ); and in a small group of patients that had undergone lung resection it resulted in improved gas exchange without undesirable effects (see Additional information ). NIPPV should not be confused with continuous positive airway pressure, which has not been shown to be of benefit in patients with acute hypoxemic respiratory failure (see Additional information ). This study compares outcomes of either NIPPV or standard oxygen supplementation in patients who have undergone lung resection.
A total of 48 patients were prospectively enrolled (24 in each arm). The study was stopped prematurely because of a significant difference in the primary outcome measure, need for endotracheal intubation (20.8% versus 50%, P = 0.035). The hospital mortality (12.5% versus 37.5%, P = 0.045) and 120-day mortality (12.5% versus 37.5%) were lower in the NIPPV group. There was no significant difference in either the length of ICU (P = 0.52) or hospital (P = 0.61) stay.
This study supports the trend in current practice towards earlier use of NIPPV in patients with acute respiratory failure. The earlier decrease in the work of breathing and avoidance of complications associated with endotracheal intubation (e.g. infection, sedation, ventilator induced lung injury and barotrauma) are likely reasons for the observed decrease in mortality. As in other NIPPV studies, patients who experienced hemodynamic stability, excessive secretions, agitation, or extreme respiratory distress were excluded from the study.
Patients with acute hypoxemic respiratory failure after lung resection were randomized to usual care (oxygen, bronchodilators, chest physiotherapy) with or without NIPPV. The study was not blinded. The primary outcome was the need for endotracheal intubation. Secondary outcomes were hospital and 120-day mortality, and duration of hospital and ICU stay.
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Gajic, O. Noninvasive ventilation after lung resection. Crit Care 5, 73650 (2001). https://doi.org/10.1186/ccf-2001-73650
- respiratory failure