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Nitrous oxide at higher elevations

J M Nieto, P Rosen

Annals of Emergency Medicine

|December 1, 1980

Summary

This summary is machine-generated.

A 70% nitrous oxide and 30% oxygen mixture proved safe and effective for emergency department pain management at high altitudes. This study highlights its efficacy in young and adult patients, with minimal side effects observed.

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Area of Science:

Emergency Medicine
Anesthesiology
Pharmacology

Background:

Pain management in emergency departments presents unique challenges, especially at high altitudes.
Previous attempts with a 50% nitrous oxide and 50% oxygen mixture yielded insufficient clinical responses.

Purpose of the Study:

To evaluate the safety and efficacy of a 70% nitrous oxide and 30% oxygen mixture for pain relief in emergency department patients.
To assess the effectiveness of this gas mixture at a higher elevation (5,280 feet).

Main Methods:

A mixture of 70% nitrous oxide and 30% oxygen was administered to 124 patients in an emergency department setting.
Patient demographics and response levels (minimal to excellent) were recorded.
Concomitant analgesic use and any experienced side effects were documented.

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Main Results:

A good to excellent pain response was observed in 57.3% of patients.
17.7% of patients showed minimal or no response.
Six patients experienced side effects, with four having prior narcotic medication.

Conclusions:

The 70% nitrous oxide and 30% oxygen mixture is a safe and effective option for managing pain in both pediatric and adult patients in emergency departments at higher elevations.
The observed efficacy supports its use as a viable analgesic adjunct in challenging environments.