Trauma Clinical Trial - Pre-hospital Hypoxemia in Trauma Patients

Status Completed

Clinical Trial Summary

The intent of this study is to describe the proportion of trauma patients requiring oxygen before hospital arrival, the amount of oxygen they require, and whether or not the oxygen is beneficial to outcomes.

Clinical Trial Description

Trauma patients in the United States frequently receive high-flow high-concentration supplemental oxygen in the pre-hospital setting, yet their physiologic need is rarely known. Providing oxygen to everyone regardless of need may seem straightforward, but the practice has extensive implications in logistically challenging areas such as a combat arena or mass casualty event, and is not supported by care guidelines. Indeed, too much oxygen can be harmful for some patients.1, 2 If it is the case, that not all trauma patients require oxygen, this would decrease the logistical burden of providing oxygen in the pre-hospital environment. No study has yet been performed that describes the proportion of patients requiring oxygen, the amount of oxygen they require, and whether or not oxygen is beneficial to outcomes. This prospective observational cohort investigation aims to bridge the knowledge gap surrounding the need and possible benefits or harms arising from oxygen therapy. In our Emergency Medical Services (EMS) systems, the written standard of care is to provide oxygen only to maintain oxygen saturation at 95% or when hemorrhagic shock or traumatic brain injury are suspected.3 We will observe patterns of oxygen treatment and outcome for patients treated according to this written standard of care, and compare this to the treatment and outcomes for patients transported by EMS units who continue their usual practice pattern.

Specifically, we aim to:

1. Identify the proportion of trauma patients who are hypoxemic or who have traumatic brain injury or hemorrhagic shock at the time of initial EMS contact

2. Identify the proportion of trauma patients who develop hypoxemia or hemorrhagic shock while in the pre-hospital setting

3. Identify differences in clinically important outcomes associated with treatments driven by written standard of care compared with the usual practice pattern of EMS units. These outcomes include requirement for advanced airway management, hospital and intensive care unit lengths of stay, and disposition (including in-hospital and 30-day mortality)

4. Determine the amount of oxygen (Liters per minute) required to reverse hypoxemia ;

Study Design

Observational Model: Cohort, Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01074983
Study type	Observational
Source	University of Cincinnati
Contact
Status	Completed
Phase	N/A
Start date	February 2010
Completion date	February 2012

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.