Respiratory care · 2020
Comparing Noninvasive Ventilation Delivered Using Neurally-Adjusted Ventilatory Assist or Pressure Support in Acute Respiratory Failure.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Prasad Kuruswamy Thurai, Gandra Raghava Rao, Dhooria Sahajal, Muthu Valliappan, Aggarwal Ashutosh Nath, Agarwal Ritesh, Sehgal Inderpaul Singh
Аннотация
BACKGROUND: The use of neurally-adjusted ventilatory assist (NAVA) during noninvasive ventilation (NIV) results in better patient-ventilator interaction. Whether this improves clinical outcomes lacks dedicated study.
METHODS: In this randomized controlled trial, we compared NAVA with PSV for delivering NIV in consecutive subjects with de novo acute respiratory failure. The primary outcomes were NIV failure rates and 28-d mortality. The secondary outcomes were asynchrony index, NIV-related complications, and others.
RESULTS: We enrolled 100 subjects (50 subjects each for NAVA and PSV, 60% male) with a mean ± SD age of 56.7 ± 12 y. There was no difference in NIV failure rates (30% vs 32%, P = .83) and 28-d mortality rates (18% vs 34%, P = .07) between the NAVA and PSV arms, respectively. The median asynchrony index was significantly lower with NAVA (6.7 vs 44.8, P < .001). The use of NAVA significantly reduced NIV-related complications (32% vs 58%, P = .01). In a post hoc analysis, the use of NAVA significantly reduced the 28-d mortality in subjects with COPD exacerbation.
CONCLUSIONS: The use of NAVA during NIV did not improve NIV failure rate or 28-d mortality in subjects with acute respiratory failure. However, patient-ventilator asynchrony and NIV-related complications were reduced with NAVA.
TRIAL REGISTRY: www.clinicaltrials.gov (NCT03271671).
METHODS: In this randomized controlled trial, we compared NAVA with PSV for delivering NIV in consecutive subjects with de novo acute respiratory failure. The primary outcomes were NIV failure rates and 28-d mortality. The secondary outcomes were asynchrony index, NIV-related complications, and others.
RESULTS: We enrolled 100 subjects (50 subjects each for NAVA and PSV, 60% male) with a mean ± SD age of 56.7 ± 12 y. There was no difference in NIV failure rates (30% vs 32%, P = .83) and 28-d mortality rates (18% vs 34%, P = .07) between the NAVA and PSV arms, respectively. The median asynchrony index was significantly lower with NAVA (6.7 vs 44.8, P < .001). The use of NAVA significantly reduced NIV-related complications (32% vs 58%, P = .01). In a post hoc analysis, the use of NAVA significantly reduced the 28-d mortality in subjects with COPD exacerbation.
CONCLUSIONS: The use of NAVA during NIV did not improve NIV failure rate or 28-d mortality in subjects with acute respiratory failure. However, patient-ventilator asynchrony and NIV-related complications were reduced with NAVA.
TRIAL REGISTRY: www.clinicaltrials.gov (NCT03271671).