Feasibility study of propofol alone for preserving spontaneous breathing laryngeal mask induction of general anesthesia

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2000034282

Enrollment

Unknown

Registered

2020-06-30

Start date

2020-06-25

Completion date

Unknown

Last updated

2020-07-06

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

Conditions

General anesthesia induction

Interventions

Senior group:Propofol 3.0mg/kg

Non-elderly group:Propofol 3.5mg/kg

Eligibility

Sex/Gender

All

Age

18 Years to 90 Years

Inclusion criteria

Inclusion criteria: 1. Patients undergoing laryngeal mask anesthesia with self breathing; 2. Patients aged 18-90 years old; 3. Patients with informed consent.

Exclusion criteria

Exclusion criteria: 1. Patients with full stomach; 2. Patients with abnormal coagulation function; 3. Patients with throat diseases; 4. Obese patients (BMI > 28).

Design outcomes

Primary

Measure	Time frame
Propofol dosage;	—

Secondary

Measure	Time frame
Choking reaction;Tidal volume before laryngeal mask insertion;Breathing rate before laryngeal mask insertion;End-expiratory carbon dioxide concentration before laryngeal mask insertion;Breathing parameters after laryngeal mask insertion;	—

Countries

China

Contacts

Public ContactXiong Zhaodong

Huzhou First People's Hospital

xjxzd1978@163.com+86 13567255264

Outcome results

None listed

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