Research of Brachial Plexus Anatomy (Soana-ibp)

February 7, 2026 updated by: Xiaoyu Yang, Huashan Hospital

Research of the Sonographic Anatomy of Interscalene Brachial Plexus

The research aims at analyzing the sonographic anatomy characteristics of the interscalene brachial plexus.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Observational

Enrollment (Actual)

200

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • China
    • Shanghai Municipality
      • Shanghai, Shanghai Municipality, China, 200040
        • Huashan Hospital Fudan University

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Sampling Method

Probability Sample

Study Population

Retrospectively collect ultrasound video of interscalene brachial plexus from existed departmental database.

Description

Inclusion Criteria:

  • ASA physical status class I or II
  • Scheduled for elective surgery

Exclusion Criteria:

  • Skin lesion or infection of neck
  • Any known peripheral neuropathy
  • Brachial nerve plexus injury
  • Previous injury or operation on neck
  • Pregnancy or breast feeding
  • Allergic to ultrasound gel

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
The study group
The recruited patients will be included in this group
Device: ultrasound
Using ultrasound probe to scan and record the bilateral interscalene brachial plexus

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
The distribution of the number of visible bundles in C6 nerve root
Time Frame: immediately after the procedure
The percentage of one, two and multiple nerve bundles which composing the C6 nerve root
immediately after the procedure

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
The distribution of the number of visible bundles in C5 nerve root
Time Frame: immediately after the procedure
The percentage of one, two and multiple nerve bundles which composing the C5 nerve root
immediately after the procedure
The distribution of the number of visible bundles in C7 nerve root
Time Frame: immediately after the procedure
The percentage of one, two and multiple nerve bundles which composing the C7 nerve root
immediately after the procedure

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Huashan Hospital

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

April 1, 2025

Primary Completion (Actual)

December 30, 2025

Study Completion (Actual)

January 20, 2026

Study Registration Dates

First Submitted

March 23, 2025

First Submitted That Met QC Criteria

March 23, 2025

First Posted (Actual)

March 28, 2025

Study Record Updates

Last Update Posted (Actual)

February 10, 2026

Last Update Submitted That Met QC Criteria

February 7, 2026

Last Verified

February 1, 2026

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 2025-yxy-1

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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