Does it enable us to administer dual-guidance (the use of ultrasound together with nerve stimulation) brachial plexus block after muscle relaxant injection by using a tourniquet on the upper limb at the induction of general anesthesia ?

Does it enable us to administer dual-guidance (the use of ultrasound together with nerve stimulation) brachial plexus block after muscle relaxant injection by using a tourniquet on the upper limb at the induction of general anesthesia ? - Dual-guidance brachial plexus block after muscle relaxant injection.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000024823

Enrollment

Registered

2018-11-15

Start date

2016-04-01

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

Forearm fractures

Interventions

1. Put the patient to sleep with intravenous anesthetics. 2. Inflate the tourniquet on the upper limb and confirm that there is no pulse at fingertip. 3. Inject the muscle relaxant and place a endot

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients undergoing forearm osteosynthesis ASA PS 1 - 3 Written informed consent is provided

Exclusion criteria

Exclusion criteria: Patients having allergic factors to local anesthetic

Design outcomes

Primary

Measure	Time frame
Whether the use of Tourniquet on the upper limb before muscle relaxant injection can preserve forearm muscle contraction.	—

Countries

Japan

Contacts

Public ContactTakehsia Asahi

Joetsu General Hospital Division of Anesthesiology

take3260@kmj.biglobe.ne.jp025-524-3000

Outcome results

None listed

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