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Patient-Ventilator Interaction During Noninvasive Ventilation.

Dean R Hess1

  • 1Dr. Hess is affiliated with Daedalus Enterprises, Irving, Texas, USA, and Massachusetts General Hospital, Boston, Massachusetts, USA.

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|November 26, 2025
PubMed
Summary
This summary is machine-generated.

Patient-ventilator discordance is common during noninvasive ventilation (NIV). This review explores strategies to improve patient-ventilator synchrony, addressing leaks and interface issues for better NIV therapy.

Keywords:
cyclediscordanceleak compensationnoninvasive ventilationsynchronytrigger

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Area of Science:

  • Critical Care Medicine
  • Respiratory Therapy
  • Biomedical Engineering

Background:

  • Patient-ventilator discordance is a frequent challenge in noninvasive ventilation (NIV).
  • Unintentional leaks are a primary cause of trigger and cycle asynchrony.
  • Historical NIV ventilators had better leak compensation than critical care ventilators.

Purpose of the Study:

  • To address issues of patient-ventilator discordance during NIV.
  • To explore strategies for improving synchrony in patients receiving NIV.
  • To review the impact of ventilator settings, interfaces, and modes on NIV synchrony.

Main Methods:

  • Review of bench and clinical studies on NIV synchrony.
  • Analysis of leak compensation strategies in critical care ventilators.
  • Evaluation of different NIV interfaces and ventilator modes.

Main Results:

  • NIV leak compensation settings variably improve synchrony.
  • Helmet interfaces may contribute to asynchrony.
  • Neurally adjusted ventilatory assist and adaptive pressure control modes present potential benefits and complications.

Conclusions:

  • Patient-ventilator asynchrony during NIV is multifactorial, influenced by leaks, interfaces, and ventilator settings.
  • Optimizing NIV requires careful consideration of leak compensation and ventilator mode selection.
  • Further research is needed to improve patient-ventilator interactions and outcomes in NIV therapy.