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Safety and effectiveness of the observing bellow method for assessing air leakage of the laryngeal mask airway under minimal fresh gas flow anesthesia

Safety and effectiveness of the observing bellow method for assessing air leakage of the laryngeal mask airway under minimal fresh gas flow anesthesia

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-DOD-14005597
Enrollment
Unknown
Registered
2014-12-03
Start date
1990-01-01
Completion date
Unknown
Last updated
2017-04-18

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

Conditions

anesthesia

Interventions

Gold Standard:
Index test:

Sponsors

Shanghai Changhai Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: patients who were scheduled to undergo surgery under general anesthesia with a laryngeal mask airway, aged 18-65 years with ASA I-II.

Exclusion criteria

Exclusion criteria: patients with a body mass index (BMI) less than 18 or bigger than 28, with significant cardiac and pulmonary diseases, whose estimated operation duration was longer than 3 hrs and mouth opening smaller than 3cm, and who refused to use the laryngeal mask.

Design outcomes

Primary

MeasureTime frame
Accuracy;—

Countries

China

Contacts

Public ContactXiong Yuanchang
ychxiong@sina.com+86 13901911666

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026