Test of Chamber Pressure to Divers and Chamber Attendants

Completed · Not applicable · Has a placebo group

Conditions studied: Traumatic Brain Injury

In brief

SCUBA divers and chamber inside attendants will undergo a brief hyperbaric chamber excursion and will be asked to what chamber pressure they were compressed and what gas they breathed.

Key facts

Study ID

NCT01430325

Run by

Intermountain Health Care, Inc.

People needed

42

Starts

2011-07-01

Expected to finish

2011-10-01

Last updated by the study team

2013-02-15

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Adult, age 18 - 65 years
• Completion of medical history questionnaire without concerns identified for exposure to increased pressure
• Familiarity with atmospheric pressure change:
• Experienced and active hyperbaric chamber inside attendant: more than 50 hyperbaric compressions, with more than 4 have been in the last 4 months; or
• Experienced and active SCUBA diver: more than 20 lifetime compressed gas open water (not swimming pool) dives, with more than 10 in the last 12 months
• Able to equalize middle ear pressure easily

You may not qualify if…

• Pregnancy
• Known risk for barotrauma, as identified on the medical history questionnaire, such as:
• Recent (within 12 months) inner ear or sinus surgery
• Spontaneous pneumothorax
• Pulmonary cysts
• Emphysema
• Bullous lung disease
• Chronic obstructive pulmonary disease needing chronic active therapy
• Inability to tolerate chamber confinement or pressure
• Presence of heart failure
• Presence of any implanted electrical device, except hyperbaric-approved pacemakers
• Presence of middle-ear tympanostomy tubes

Where it is running

• Intermountain Medical Center — Murray, Utah, United States
• LDS Hospital — Salt Lake City, Utah, United States

Full record on ClinicalTrials.gov

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