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Study of using different force to lift chin for influencing condition of intubating flexible laryngeal mask airway

Study of using different force to lift chin for influencing condition of intubating flexible laryngeal mask airway, a randomized, double-blind controlled trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR-INR-17013569
Enrollment
Unknown
Registered
2017-11-27
Start date
2018-06-15
Completion date
Unknown
Last updated
2018-06-11

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

Conditions

nasosinusitis and tympanitis

Interventions

Group 20N:lift chin with both hands and each hand exerts the force of 20 Newton
Group 30N:lift chin with both hands and each hand exerts the force of 30 Newton
Group 40N:lift chin with both hands and each hand exerts the force of 40 Newton

Sponsors

The Eye, Ear, Nose and Throat Hospital Affiliated to Fudan University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: ASA I and II, aged 18 to 70 years, elective functional endoscopic sinus surgery and tympanoplasty

Exclusion criteria

Exclusion criteria: BMI=40kg/m2,history of gastroesophageal reflux disease, asthma,chronic obstructive pulmonary disease.

Design outcomes

Primary

MeasureTime frame
interincisor distance;Mallampati scale;numbers of attemps of insertion;systolic pressure;diatolic pressure;heart rate;duration of inserting laryngeal mask airway;—

Secondary

MeasureTime frame
duration of anaesthesia;Difficulty of inserting laryngeal mask airway;dislocation of mandibular;sore of angle of mandibular;sore throat;—

Countries

China

Contacts

Public ContactShen Xia

The Eye, Ear, Nose and Throat Hospital Affiliated to Fudan University

shenxia@eentanesthesia.com+86 13611874118

Outcome results

None listed

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