A study carried out in a French ICU investigated the impact of automated ventilation on blood oxygen desaturation during daily nursing procedures (DNPs).
The prospective randomized controlled crossover trial compared SpO2 during DNPs on patients being ventilated in INTELLiVENT-ASV or conventional mode. Two DNPs were carried out on patients in the same day (one in INTELLIVENT-ASV and one in conventional mode) with no difference in terms of DNP duration, sedation requirements or ventilation parameters. SpO2 of between 90% and 95% was considered to be an acceptable range.
The authors found that:
- Patients spent more time in the acceptable range during DNPs in INTELLiVENT-ASV mode
- Fewer patients required manual activation of an oxygen bypass and less endotracheal suctioning was needed per DNP in INTELLiVENT-ASV
- INTELLiVENT-ASV was associated with a higher number of DNPs carried out in the acceptable range
- INTELLiVENT-ASV was associated with a lower incidence of SpO2 ≤ 85%
INTELLiVENT-ASV continuously and quickly adapts oxygenation to the patient’s need. In contrast, nurses and physicians might not able to adjust FiO2 every time while they are providing care, especially during mobilization of a patient.
Chelly, J., Mazerand, S., Jochmans, S. et al. Automated vs. conventional ventilation in the ICU: a randomized controlled crossover trial comparing blood oxygen saturation during daily nursing procedures (I-NURSING). Crit Care 24, 453 (2020)
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