Comparison of normobaric hypoxia and hypoxic hypoxia protocol on human performance and physiology
Not Applicable
Completed
- Conditions
- symptoms and physiological changes under hypoxia in healthy young maleRespiratory - Other respiratory disorders / diseases
- Registration Number
- ACTRN12613000850774
- Lead Sponsor
- ational Defense Medical Center
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- Male
- Target Recruitment
- 21
Inclusion Criteria
healthy volunteer
able to detect middle cerebral artery blood flow by doppler at temporal region.
Exclusion Criteria
1. pulmonary disease (asthma, COPD, pneumothorax, pulmonary tuberculosis)
2. claustrophobia
3. heart disease
4. severe anemia
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method PaO2 drop below 60% (evaluated by pulse oximeter with sensor attached to subjects' middle finger)[between 3-4 minutes of hypoxia exposure];unable to hold on to hypoxia exposure (subjective feeling of participants, also judged by inside observer [aerospace physiologist]) [3-4 minutes of hypoxia exposure];heart rate drop > 20 bpm (monitored by polysomograph, with three EKG sensors over chest region)[3-4 minutes after hypoxia exposure]
- Secondary Outcome Measures
Name Time Method severe hypoxia symptoms (observed by aviation physiologist, combined with subjective check list with 17 hypoxia symptom items filled out by participants)[3-4 minutes after hypoxia exposure]