Humidification performance of a HME and a heated and humidified high flow (HHHF) for tracheostomized patients with spontaneous breathing
Not Applicable
- Conditions
- tracheostomized patients with spontaneous breathing
- Registration Number
- JPRN-UMIN000031318
- Lead Sponsor
- Tokushima university hospital
- Brief Summary
Ten subjects were enrolled. The temperature with the HME was 29.9 and during heated-and-humidified high-flow use was 35.3 (P<.001). With both the HME and the heated-and-humidified high-flow system, the relative humidity reached 100%; absolute humidity with HME was 30.2 mg/L, and with the heated-and-humidified high-flow system, was 40.3 (P< .001).
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up complete
- Sex
- All
- Target Recruitment
- 10
Inclusion Criteria
Not provided
Exclusion Criteria
We excluded patients who met the following criteria: 1) aged less than 18 years old, 2) patients who have too much secretions and difficulty in expelling secretions, 3) patients with severe respiratory or hemodynamic instability, 4) who need more than 1L/min of oxygen or fraction of inspired oxygen (FiO2) > 0.25.
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Absolute humidity
- Secondary Outcome Measures
Name Time Method Tidal volume,end-tidal carbon dioxide (Et CO2), breathing frequency, SpO2, heart rate, and blood pressure.