Mechanical Ventilation in Critical Care Transport

Abstract Objective Although the benefit of transferring patients with hypoxemic respiratory failure to tertiary care centers has been shown, transporting hypoxemic patients remains controversial, given the risk of desaturation in transit. Methods We performed a retrospective analysis of a database o...

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Bibliographic Details
Published in:Air medical journal 2016-05, Vol.35 (3), p.161-165
Main Authors: Wilcox, Susan R., MD, Saia, Mark S., BS, RRT, NRP, FP-C, Waden, Heather, RN, MSN, CCNS, CCRN, CFRN, CEN, EMT, Frakes, Michael, APRN, CCNS, CFRN, CCRN, EMTP, Wedel, Suzanne K., MD, Richards, Jeremy B., MD
Format: Article
Language:English
Subjects:
Critical Care - methods
Emergency
Female
Health administration
Humans
Hypoxia - therapy
Internal Medicine
Male
Middle Aged
Oxygen - blood
Positive-Pressure Respiration - methods
Respiration, Artificial - methods
Retrospective Studies
Tidal Volume
Transportation of Patients - methods
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Summary:Abstract Objective Although the benefit of transferring patients with hypoxemic respiratory failure to tertiary care centers has been shown, transporting hypoxemic patients remains controversial, given the risk of desaturation in transit. Methods We performed a retrospective analysis of a database of critical care transports (CCTs) of patients with hypoxemic respiratory failure to quantify the number, types, and effects of ventilator changes performed by the CCT teams. We evaluated the changes in fraction of inspired oxygen (FiO2 ), positive end-expiratory pressure (PEEP), tidal volume, both FiO2 and PEEP, and the administration of a neuromuscular blocking medication to assess for an association with an improvement in the arterial partial pressure of oxygen (PaO2 ) from the sending to the receiving hospitals. Results Ventilator changes were made in 211 (89%) of the 237 identified transports, with significant changes in the tidal volume, PEEP, and FiO2 . Analysis of variance revealed a significant relationship between changes in FiO2 , PEEP, tidal volume, FiO2 and PEEP, and the administration of neuromuscular blocking agents and change in PaO2 (F5,1037  = 119.6, P < .001). Multivariable regression analyses showed a significant association between an increase in PaO2 and increasing FiO2 , increasing FiO2 and PEEP, and the administration of a neuromuscular blocking medication. Conclusion The CCT team performed multiple changes to ventilators. Complex ventilator management was associated with a higher PaO2 on arrival.
ISSN:1067-991X
1532-6497
DOI:10.1016/j.amj.2016.01.004