Comparison of efficacy and safety of insertion of the Supreme laryngeal mask airway using the standard uninflated approach or inflated approach.

The Supreme laryngeal mask: Comparison of efficacy and safety of two insertion techniques

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR1900023022

Enrollment

Unknown

Registered

2019-05-07

Start date

2019-05-10

Completion date

Unknown

Last updated

2019-05-13

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

Conditions

Patients with general anesthesia

Interventions

experimental group:The Supreme was inserted without deflation or additional air inflation

control group:The Supreme LMA was inserted after deflating it fully

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: American Society of Anesthesiologists physical status I/II aged 18–60 years

Exclusion criteria

Exclusion criteria: 1. Patients at an increased risk of aspiration (pregnancy, gastro-oesophageal reflux disease, hiatus hernia); 2. those undergoing head and neck surgery or procedures not performed in supine position; 3. preoperative sore throat; 4. known or predicted difficult airway; 5. obesity (body mass index [BMI] > 30); 6. surgery anticipated to last >3 hours.

Design outcomes

Primary

Measure	Time frame
postoperative sore throat rate;	—

Secondary

Measure	Time frame
The successful rate of first insertion;insertion difficulty score;The fine rate of lung ventilation quality;score of fiberoptic bronchoscope(FOB) location;incidences of laryngeal mask with blood;The incidence of postoperative nausea, vomiting and flatulence;	—

Countries

China

Contacts

Public ContactSu Liu

Xuzhou Medical University

150040009@qq.com+86 18118309692

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 17, 2026