What are predictors of success in noninvasive ventilation (NIV)?

Updated: Jun 18, 2020
  • Author: Guy W Soo Hoo, MD, MPH; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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Predictors of success, with a response to a trial of NIV (1-2 h), are as follows:

  • Decrease in PaCO2 greater than 8 mm Hg

  • Improvement in pH greater than 0.06

  • Correction of respiratory acidosis

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