Abstract
Dyspnea is a frequent cause of prehospital emergency services activation. These patients frequently develop respiratory failure and about 10% reached the hospital with oxygen saturation (SpO2) of <92%, despite standard oxygen therapy. Mortality increased linearly with the distance to the hospital.
Acute respiratory failure in prehospital settings can be treated with non-invasive ventilation (NIV). The best candidate is an awake patient in respiratory distress who is alert and cooperative and has an intact gag reflex. Patients with chronic obstructive pulmonary disease (COPD) and cardiogenic pulmonary edema (CPE) are most likely to benefit from it.
NIV is generally safe, has a lower rate of complications, and requires minimal additional time to apply for a well-trained emergency team. Appropriate use of early intervention can reduce the need for intubation and ventilation, can reduce breathlessness, improve arterial blood gases, and decrease mortality, morbidity, and in-hospital length of stay, which could possibly reduce health care costs.
The available evidence of advantages of prehospital NIV is still limited. Special training programs for emergency physicians are a prerequisite for successful out-of-hospital use of NIV to guarantee correct administration of the therapy and optimal selection of patients.
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Taddei, E. et al. (2023). Non-invasive Mechanical Ventilation in Prehospital Medicine. In: Servillo, G., Vargas, M. (eds) Non-invasive Mechanical Ventilation in Critical Care, Anesthesiology and Palliative Care. Springer, Cham. https://doi.org/10.1007/978-3-031-36510-2_6
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