Perioperative ultrasound evaluation of patients undergoing laparoscopic surgery under general laryngeal mask anesthesia: a single-center prospective observational study

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2400079497

Enrollment

Unknown

Registered

2024-01-04

Start date

2024-01-05

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

Patients undergoing laparoscopic surgery

Interventions

Case series:None

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Patients with elective laparoscopic surgery under general laryngeal mask, aged 18~65 years, no gender limitation, ASA grade I~?, BMI: 18 ~ 28 kg/m2, voluntarily signed informed consent.

Exclusion criteria

Exclusion criteria: 1) Patients with obvious preoperative respiratory and circulation dysfunction, abnormal blood routine and blood biochemical indicators; 2) those who did not fast or drink at the prescribed time; 3) allergic to the study drug; 4) patients such as pregnant or lactating women.

Design outcomes

Primary

Measure	Time frame
Cross-sectional area of the gastric antrum in the supine and right lateral decubitus positions;	—

Secondary

Measure	Time frame
SAS;The volume of succus gastricus aspirated;Nausea and vomiting;	—

Countries

China

Contacts

Public ContactLingyang Chen

Taizhou Hospital, Zhejiang Province

chenly@enzemed.com+86 137 5760 0208

Outcome results

None listed

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