Comparison of insertion techniques of laryngeal mask airway : a randomised clinical trial

Comparison of insertion techniques of laryngeal mask airway : a randomised clinical trial - Comparison of insertion techniques of laryngeal mask

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000005972

Enrollment

120

Registered

2011-07-14

Start date

2011-07-01

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 undergoing elective surgery requiring general anesthesia

Interventions

laryngeal mask airway was inserted when the swallowing reflex present, keep spontaneous breathing and the patient in awake state. laryngeal mask airway was inserted when the jaw was relaxed, the swall

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Adult patients (ASA physical status I or II) undergoing elective surgery requiring general anesthetic were included in this study

Exclusion criteria

Exclusion criteria: Mallampati scores more than 3. morbid obesity. respiratory tract pathology. limited mouth opening. Risk of regurgitation or aspiration (previous upper gastrointestinal tract surgery, known or aymptomatic hiatus hernia, esophageal reflux, peptic ulceration or not fasted)

Design outcomes

Primary

Measure	Time frame
the overall success rate and complications of laryngeal mask intubation	—

Countries

Asia(except Japan)

Contacts

Public ContactChen Jie

Third Military Medical University Department of Anaesthesiology, Southwest Hospital,

cjandsh2009@yahoo.cn+81-086-23-68754197

Outcome results

None listed

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