The humidification performance of the heat and moisture exchanger in the long surgery, comparison between the high flow fresh gas group and the low flow fresh gas group

The humidification performance of the heat and moisture exchanger in the long surgery, comparison between the high flow fresh gas group and the low flow fresh gas group - The humidification performance of the heat and moisture exchanger in the long surgery, comparison between the high flow fresh gas group and the low flow fresh gas group

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000043280

Enrollment

Registered

2021-02-15

Start date

2020-12-25

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Patients scheduled for general anesthesia

Interventions

high flow fresh gas group(6l/min) low flow fresh gas group(2l/min)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: general anesthesia with TIVA for more than 4 hours

Exclusion criteria

Exclusion criteria: respiratory disease hypothermia possibility of tracheal opening to the atmosphere such as a respiratory surgery and head and neck surgery Patients with surgery that may cause a leak in the respiratory circuit, such as a tracheostomy

Design outcomes

Primary

Measure	Time frame
Intratracheal humidity more than 2 hours after tracheal intubation	—

Countries

Japan

Contacts

Public ContactAkira Doshu

Nihon University School of Medicine Department of Anesthesiology

doshu.akira@nihon-u.ac.jp0339728111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026