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A randomized controlled trial of the effect of mask ventilation on postoperative nausea and vomiting in patients undergoing laparoscopic cholecystectomy

A randomized controlled trial of the effect of mask ventilation on postoperative nausea and vomiting in patients undergoing laparoscopic cholecystectomy

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600117509
Enrollment
Unknown
Registered
2026-01-26
Start date
2026-02-08
Completion date
Unknown
Last updated
2026-02-02

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

Conditions

Postoperative nausea and vomiting

Interventions

Standard two-handed mask positive pressure ventilation group:After loss of consciousness, participants received an intravenous injection of rocuronium bromide at a dose of 0.6 mg/kg. Anesthesiologists
Apnea group:After loss of consciousness, rocuronium bromide (0.6 mg/kg) was administered intravenously to the patients, and 100% oxygen was delivered via a face mask at a flow rate of 6 L/min without
apnea was maintained for 1 minute simultaneously.

Sponsors

Shanghai East Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1.American Society of Anesthesiologists (ASA) physical status ?-? 2.Aged 18 to 80 years old 3.Body mass index (BMI) ranging from 18.5 to 28 kg/m² 4.Fewer than 2 of the 5 criteria for predicting difficult mask ventilation (DMV) were met 5.Scheduled to undergo elective laparoscopic cholecystectomy (LC) 6.No other severe comorbidities

Exclusion criteria

Exclusion criteria: 1.A known or predicted respiratory system disease. 2.At risk of hypoxia or gastroesophageal reflux (including anticipated or a history of difficult intubation, pre-induction oxygen saturation < 90%, fasting time < 8 h, pregnancy, a history of gastroesophageal surgery, and loss of consciousness). 3.Pregnant or lactating women. 4.Patients with severe heart, liver, kidney or other severe organic diseases. 5.Patients who refused to participate or were unable to cooperate with the study.

Design outcomes

Primary

MeasureTime frame
Incidence of postoperative nausea and vomiting;

Secondary

MeasureTime frame
VAS score for postoperative nausea and vomiting;Number of postoperative retching and vomiting episodes;Frequency and dosage of postoperative antiemetic drug administration;Ultrasound assessment of the cross-sectional area of the gastric antrum in the supine position;Visual assessment of gastric distension severity under laparoscopy;Vital signs during anesthesia induction;

Countries

China

Contacts

Public ContactQi Shiyuan

Shanghai East Hospital

1277306008@qq.com+86 183 2641 1357

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 7, 2026