Study on the application of BIS Quattro Sensors

Study on the application of BIS Quattro Sensors - Study on the application of BIS Quattro Sensors

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000049613

Enrollment

Registered

2024-08-01

Start date

2022-11-25

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

General anesthesia

Interventions

Intervention is to press the electrodes of the BIS quatro sensor. The compression force is based on the subjective feelings of anesthesiologists as usual practice. Intervention is to press the electro

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who are scheduled to undergo surgery under general anesthesia.

Exclusion criteria

Exclusion criteria: Patients with skin disorders on the forehead or suspected skin fragility on the forehead.

Design outcomes

Primary

Measure	Time frame
Electrical resistance after pressure on the BIS electrodes.	—

Secondary

Measure	Time frame
The success rate of impedance checks. Pain during electrode compression. Incidence of skin lesions.	—

Countries

Japan

Contacts

Public ContactShuhei Matsui

Ina central hospital Anesthesiology

matsuimagawa@gmail.com0265-72-3121

Outcome results

None listed

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