Prehospital Airway Management

Prehospital airway management is the set of techniques used outside the hospital to keep a patient's airway open and to support ventilation and oxygenation, ranging from simple positioning and bag-mask ventilation to the insertion of supraglottic airway devices or an endotracheal tube. It is a core component of resuscitation in cardiac arrest, severe trauma, and any condition that threatens breathing.

Definition

Prehospital airway management is the application of maneuvers and devices outside the hospital to maintain a patent airway and support ventilation and oxygenation, spanning basic techniques such as bag-mask ventilation and advanced techniques such as supraglottic airway insertion or endotracheal intubation.

Scope

This entry covers the goals of airway management in the prehospital setting, the spectrum of techniques from basic maneuvers to advanced airways, and the evidence comparing different airway strategies during cardiac arrest. It is descriptive and does not provide procedural technique, drug-assisted intubation protocols, or device-specific instructions.

Key concepts

• Airway patency and ventilation
• Bag-mask (bag-valve-mask) ventilation
• Supraglottic airway devices
• Endotracheal intubation
• Oxygenation and avoidance of hypoxia
• Stepwise / escalating airway strategy

Mechanisms

An obstructed or unprotected airway prevents gas exchange and rapidly leads to hypoxia, which compounds injury in arrest, trauma, and critical illness. Airway management aims to keep the airway open and deliver oxygen: basic maneuvers and bag-mask ventilation restore gas flow without an invasive device, supraglottic airways sit above the larynx to provide a more secure conduit with relatively rapid placement, and endotracheal intubation places a tube through the vocal cords. In the prehospital environment the choice among these is shaped by operator skill, the clinical situation, and the priority of not interrupting other resuscitation tasks; guidelines describe a stepwise approach matched to provider capability.

Clinical relevance

Airway management is fundamental to prehospital resuscitation and emergency care, and the comparison of airway strategies is an active area of evidence. This entry summarizes principles and trial findings for reference; the selection and performance of any airway technique are governed by training, scope of practice, and current guidelines, not by this summary.

Epidemiology

Airway interventions are performed frequently in out-of-hospital cardiac arrest and major trauma. Randomized trials in out-of-hospital cardiac arrest comparing bag-mask ventilation with endotracheal intubation, and comparing supraglottic (laryngeal tube) airways with intubation, have not shown clear superiority of advanced intubation for patient-centered outcomes, informing a more flexible, capability-matched approach to the prehospital airway.

History

Prehospital airway practice historically emphasized early endotracheal intubation as the definitive airway, but accumulating randomized evidence in the twenty-first century — including trials of bag-mask ventilation and of supraglottic devices versus intubation in out-of-hospital cardiac arrest — has shifted emphasis toward strategies matched to provider skill and to minimizing interruptions in resuscitation.

Debates

Advanced airway versus basic ventilation in cardiac arrest

Randomized trials comparing bag-mask ventilation and supraglottic airways with endotracheal intubation during out-of-hospital cardiac arrest have not demonstrated a clear advantage for early intubation, leaving the optimal airway strategy — and how it should depend on provider expertise — a continuing debate.

Seminal works

• jabre-2018
• wang-2018
• soar-2021

Frequently asked questions

Why does airway management matter in resuscitation?

An obstructed or unprotected airway stops oxygen reaching the lungs and blood within minutes, so keeping the airway open and supporting ventilation is essential to the broader goal of maintaining oxygen delivery during resuscitation.

Is endotracheal intubation always the best prehospital airway?

Not necessarily. Randomized trials in out-of-hospital cardiac arrest have not shown clear superiority of early intubation over bag-mask ventilation or supraglottic airways, so guidelines favor a strategy matched to the provider's skill and the situation.