Observation on the effect of different gastrointestinal decompression methods in general anesthesia

Effect of different gastrointestinal decompression methods on laryngeal mask airway ventilation under ultrasonic monitoring

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2300078990

Enrollment

Unknown

Registered

2023-12-22

Start date

2022-01-09

Completion date

Unknown

Last updated

2024-01-08

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

Conditions

Flatulence

Interventions

Sputum suction tube group:During general anesthesia, a sputum suction tube was placed through the drainage port of the drainage laryngeal mask airway, with a length of 46 cm, and intermittent vacuum s

Gastric tube group:During general anesthesia, a gastric tube was placed through the drainage port of the drainage laryngeal mask airway, and the length of placement was the distance from the hairline

Eligibility

Sex/Gender

Female

Age

18 Years to 70 Years

Inclusion criteria

Inclusion criteria: Patients undergoing gynecological surgery under positive pressure ventilation with a drainage laryngeal mask airway, ASA I-II, aged 18 to 70 years, weighing 45 to 75 kg

Exclusion criteria

Exclusion criteria: Patients with a high risk of aspiration, reduced lung compliance or excessive airway resistance, restricted mouth opening, severe obesity, pharyngeal injury, and severe tonsillar hypertrophy

Design outcomes

Primary

Measure	Time frame
Area of antrum;	—

Secondary

Measure	Time frame
Nausea and vomiting;Flatulence;Sore throat;Hoarseness;	—

Countries

China

Contacts

Public ContactTian yue

Shengjing Hospital of China Medical University

tianyue_sj@163.com+86 189 4025 9441

Outcome results

None listed

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