Change characteristics of the high frequency variability index (HFVI) in patients receiving ultrasound-guided peripheral nerve block

Change characteristics of the high frequency variability index (HFVI) in patients receiving ultrasound-guided peripheral nerve block - Changes of the high frequency variability index (HFVI) in ultrasound-guided peripheral nerve block

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000050334

Enrollment

Registered

2023-02-28

Start date

2023-02-22

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 recieving the upper limb surgery

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: patients undergoing the orthopaedic upper limb surgery

Exclusion criteria

Exclusion criteria: the patients with serious cardiovascular dosease, who are American Society of Anestheologists physical status class 3 or more, who are administered an anticholinergic agent,with arrhythmia or implanted pacemaker and inappropriate recordind of HFVI.

Design outcomes

Primary

Measure	Time frame
the changes of HFVI after USBPB	—

Countries

Japan

Contacts

Public ContactMOTOI KUMAGAI

Iwate medical university hospital Department of Anesthesiology

motoij@iwate-med.ac.jp019-613-7111

Outcome results