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WithdrawnNCT03294993Updated Nov 11, 2021

Doppler Ultrasonography Assessed Vascular Changes Before and After Radial Artery Puncture

An interventional study of Ultrasound assess in Blood Flow Indexes, sponsored by China Medical University, China. Withdrawn at 1 site in China. Open to participants aged 18 Years to 65 Years. Per ClinicalTrials.gov, last updated 2021-11-11.

Sponsored by China Medical University, China · Not applicable, Interventional, and Screening

Why this study was withdrawn
no participants enrolled
Phase
Not applicable
Study type
Interventional
Enrollment
0
Allocation
Not applicable
Ages
18 Years to 65 Years
Sex
All
01

Study summary

The investigators designed a study to assess whether there were any blood flow indexes change before and after radial artery puncture with doppler ultrasonography

Read the detailed description

The investigators designed a study to assess whether there were any blood flow indexes change before and after radial artery puncture with doppler ultrasonography.The indexes include Arterial Diameter,Peak Systolic Velocity,End Diastolic Velocity,Resistive Index,Pulsatility Index,Systolic/End Diastolic Ratio,Time AverageMean Velocity and Blood Flow.

02

Conditions studied

  • Blood Flow Indexes
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Who can participate

Ages eligible
18 Years to 65 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Patients were included in the study if they were ethnic Chinese, between 18 and 65 years old, American Society of Anesthesiologists (ASA) physical status I or II,candidates for general anesthesia undergoing thoracic surgery

Exclusion criteria

Exclusion Criteria:

  • Patients were excluded if they do not want to cooperate with the test, had a history of upper extremity arteriosclerosis obliterans or thromboangitis obliterans,had a history of radial artery puncture or coronary artery bypass grafting,had acute vessel trauma,or had been diagnosed with Raynaud' disease,had suffered from mental or neurological disorders
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Study design

Phase
Not applicable
Primary purpose
Screening
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
0 participants (actual)

Study arms

  • Experimental
    Ultrasound assess group

    The investigators designed a study to assess whether there were any blood flow indexes change before and after radial artery puncture with doppler ultrasonography

    Device: Ultrasound assess

Interventions

  • DeviceUltrasound assess

    The investigators designed a study to assess whether there were any blood flow indexes change before and after radial artery puncture with doppler ultrasonography

05

What researchers measure

Primary outcomes

  1. The Change of Peak Systolic Velocity

    The Change of Peak Systolic Velocity before and after surgery

    Time frame: baseline and 30 minutes after surgery

Secondary outcomes

  1. the change of modified Allen test

    the change of modified Allen test before and after surgery

    Time frame: baseline and 30 minutes after surgery

06

Study locations

1 site
  • the First Hospital of China Medical University
    Shenyang, Liaoning 110001, China
07

References and documents

Individual participant data

Plan to share: Undecided

No publications or documents are linked to this record.

08

Registry details

Key details

Study ID
NCT03294993
Lead sponsor
China Medical University, China
Responsible party
Wen-fei Tan (Associate proffesor, China Medical University, China) — Principal investigator
First posted
Sep 27, 2017
Start date
Oct 1, 2017
Primary completion
Sep 30, 2022 (estimated)
Completion
Sep 30, 2022 (estimated)
Last update
Nov 11, 2021

Study contacts

Hong Ma, MD,PhD
study chair · Department of Anesthesiology

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is withdrawn, as verified in Nov 2021. You cannot join it, but the record below documents what was studied.

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