• Thierry Lentz, Charles Groizard, Abel Colomes, Anna Ozguler, Michel Baer, and Thomas Loeb.
• SAMU des Hauts-de-Seine, Assistance Publique - Hôpitaux de Paris, Université Paris-Saclay, Hôpital Raymond Poincaré, 104, boulevard Raymond Poincaré, 92 380, Garches, France.
• Scand J Trauma Resus. 2021 Jun 4; 29 (1): 78.

BackgroundDuring the COVID-19 pandemic, as the number of available Intensive Care beds in France did not meet the needs, it appeared necessary to transfer a large number of patients from the most affected areas to the less ones. Mass transportation resources were deemed necessary. To achieve that goal, the concept of a Collective Critical Care Ambulance (CCCA) was proposed in the form of a long-distance bus re-designed and equipped to accommodate up to six intensive care patients and allow Advanced Life Support (ALS) techniques to be performed while en route.MethodsThe expected benefit of the CCCA, when compared to ALS ambulances accommodating a single patient, was to reduce the resources requirements, in particular by a lower personnel headcount for several patients being transferred to the same destination. A foreseen prospect, comparing to other collective transportation vectors such as airplanes, was the door-to-door capability, minimalizing patients' handovers for safety concerns and time efficiency. With the project of a short-distance transfer of several Intensive Care Unit (ICU) patients together, the opportunity came to test the CCCA under real-life conditions and evaluate safely its technical feasibility and impact in time and resources saving, before it could be proposed for longer distances.ResultsFour COVID-19 patients were transported over 37 km. All patients were intubated and under controlled ventilation. One of them was under Norepinephrine support. Mean loading time was 1 min 39 s. Transportation time was 29 min. At destination, the mean unloading time was 1 min 15 s. No serious adverse effect, in particular regarding hemodynamic instability or ventilation disorder, has been observed. No harmful incident has occurred.ConclusionsIt was a very instructive test. Collective medical evacuation by bus for critically ill patients under controlled ventilation is suitable and easy to implement. Design, ALS equipment, power autonomy, safety and resources saving, open the way for carrying up to 6 ICU-patients over a long distance. The CCCA could bring a real added-value in an epidemic context and could also be helpful in many other events generating multiple victims such as an armed conflict, a terrorist attack or a natural disaster.

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