Examination of the sensory threshold in patients using perioperative opioid.

Examination of the sensory threshold in patients using perioperative opioid. - Examination of the sensory threshold in patients using perioperative opioid.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000030713

Enrollment

Registered

2018-01-31

Start date

2018-01-31

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

none

Interventions

Twice (before and after surgery)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who weigh from 40 to 80 kilograms.

Exclusion criteria

Exclusion criteria: 1.Dementia, consciousness disorder, and psychiatric disorder. 2.Aphasia, auditory disorder, and total blind. 3.Sensory disturbance. 4.Patients who can not equip an electrode because of the skin lesions. 5.Patients who use an implanted pacemaker, and a spinal cord stimulation. 6.Patients who use an implanted defibrillator. 7.Patients who use an opioid before surgery. 8.Patients who use a regional anesthesia.

Design outcomes

Primary

Measure	Time frame
The sensory and pain threshold.	—

Countries

Japan

Contacts

Public ContactNorihito Hayashi

Kitasato University School of Medicine Department of Anesthesiology

mininoriton@ybb.ne.jp0427788111

Outcome results

None listed

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