Investigation of sound elements for aspiration risk assessment using bioacoustic analysis.

Analysis of sound elements required for risk assessment of aspiration using bioacoustic analysis. - Acoustic analysis for determining the risk of aspiration.

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000055020

Enrollment

Registered

2024-08-01

Start date

2025-01-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Patients undergoing anaesthetic management in dental anaesthesia departments.

Interventions

Pharyngeal suction

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Patients undergoing osteotomies of the maxilla and mandible. 2. Patients undergoing total intravenous anaesthesia with propofol. 3. Patients aged 18 or older at the time of consent.

Exclusion criteria

Exclusion criteria: 1. Patients with an allergy or severe adverse reactions to propofol. 2. Patients with an intellectual disability. 3. Patients with a respiratory disease. 4. Patients with severe epistaxis at extubation 5. Patients with errors in the study procedure.

Design outcomes

Primary

Measure	Time frame
Index calculated by the noise discrimination model.	—

Secondary

Measure	Time frame
1) Fluid retention level in the upper airway. 2) Relationship between the level of fluid retention in the upper airways and surgical procedures.	—

Countries

Japan

Contacts

Public ContactTamayo Takahashi

Hiroshima University Hospital Division of Dental Anaesthesiology

yshimizu@hiroshima-u.ac.jp082-257-5733

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026