The study of using McGrath laryngoscope for insertion of transesophageal echocardiography probe

The study of using McGrath laryngoscope for insertion of transesophageal echocardiography probe - The study of using McGrath laryngoscope for insertion of transesophageal echocardiography probe

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000018631

Enrollment

Registered

2015-08-14

Start date

2015-08-14

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

All diseases that require transesophageal echocardiography

Interventions

McGrath group:McGrath MAC laryngoscope is used to visualize the passage of a transesophageal echocardiography probe. Control group:a transesophageal echocardiography probe is inserted blindly.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients scheduled for elective surgery that need transesophageal echocardiography.

Exclusion criteria

Exclusion criteria: Patients that transesophageal echocardiography is contraindicated and with instability in the cervical spine are excluded

Design outcomes

Primary

Measure	Time frame
The duration of transesophageal echocardiography probe insertion	—

Secondary

Measure	Time frame
number of the trial postoperateive sore throat hemodynamic change Evaluation by the anesthesiologist	—

Countries

Japan

Contacts

Public ContactAkihiro Terahata

Yokohama City University Department of Anesthesiology

anesthes@yokohama-cu.ac.jp045-787-2918

Outcome results

None listed

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