Gastric Ultrasound Prior to Extubation

Serial Ultrasound Assessment of Gastric Volume in Mechanically Ventilated Patients Fasted Prior to Extubation: a Prospective Observational Study

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT05272332

Enrollment

Registered

2022-03-09

Start date

2020-09-30

Completion date

2022-10-31

Last updated

2024-03-01

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

Conditions

Fasting

Keywords

Gastric ultrasound, Gastric emptying

Brief summary

Serial gastric ultrasound assessments to assess the effect of fasting for 4 hours on gastric volume in mechanically ventilated patients in the ICU fasted for extubation.

Interventions

DIAGNOSTIC_TESTGastric ultrasound

Gastric ultrasound upon fasting, after 4 hours, and after nasogastric aspiration, to estimate gastric volume

Study design

Observational model

CASE_ONLY

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Years to 100 Years

Healthy volunteers

Inclusion criteria

* over 18 years of age, * mechanically ventilated patients in the ICU, * intubated with endotracheal * enteral feeding for over 6 hours before fasting

Exclusion criteria

* BMI \> 40, pregnant, fine bore nasogastric tube, mechanical obstruction to gastric emptying, history of upper GI surgeries

Design outcomes

Primary

Measure	Time frame	Description
Difference in gastric volume before and after 4 hours of fasting	Over 4 hours	Ultrasound measurement of gastric antrum dimenstions (antero-posterior and cranio-caudal dimensions) before and after 4 hours of fasting

Countries

Hong Kong

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026