NCT03012893

Brief Summary

To determine the accuracy of two techniques (transverse scan and sagittal scan) using ultrasonography to identify C7 spinous process compare to the fluoroscope (standard technique)

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
20

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Dec 2016

Shorter than P25 for not_applicable

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

December 1, 2016

Completed
Same day until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2016

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2017

Completed
4 days until next milestone

First Submitted

Initial submission to the registry

January 5, 2017

Completed
1 day until next milestone

First Posted

Study publicly available on registry

January 6, 2017

Completed
Last Updated

January 18, 2017

Status Verified

January 1, 2017

Enrollment Period

Same day

First QC Date

January 5, 2017

Last Update Submit

January 15, 2017

Conditions

Keywords

ultrasonography to identify C7 spinous process

Outcome Measures

Primary Outcomes (1)

  • the accuracy of identify C7 spinous process

    the accuracy of two techniques (transverse scan and sagittal scan) using ultrasonography to identify C7 spinous process compare to the fluoroscope (standard technique)

    1 day

Study Arms (3)

Ultrasound transverse scan

EXPERIMENTAL

Transvers scan by identifying the C7 transvers process using vertebral artery and absence of anterior tubercle as a landmark and then scan back following articular process, lamina and then find out the spinous process of C7

Device: Ultrasound transverse scan

Ultrasound sagittal scan

EXPERIMENTAL

Sagittal scan by identifying the first and second ribs and scan medially to depict the C7 transvers process.

Device: Ultrasound sagittal scan

Floroscopic technique

ACTIVE COMPARATOR

Fluoroscopy image will do on lateral view including all cervical spines and upper thoracic spines. C7 spinous process will be identified by counting down from C1 vertebral body and spinous process.

Procedure: Fluoroscopic technique

Interventions

Convex transducer will be placed at patient's neck using paramedian sagittal scan and pointing toward the chest apex aiming to identify the first rib. Then move the transducer medially to identify the transverse process along with identify C7 transverse process will appear on the image as a hyperechoic shadow without continue to the rib laterally. Place the C7 spinous process on the midpoint of the probe and the spinous process correspondence to the midline will be marked as C7.

Ultrasound sagittal scan

Linear transducer will be placed at patient's lateral neck using transverse scan. The unique characteristic of sonography of transvers process of C6 and C7 will be used to identify the transverse process of C6 and C7. C6 transverse process has a very prominence anterior tubercle (known as Chassaignac tubercle). While anterior tubercle of C7 is absent. After identifying the C7 transverse process, simultaneously the color Doppler mode will be activated to identify the vertebral artery for double confirmation.

Ultrasound transverse scan

C7 spinous process will be identified by counting down from C1 vertebral body and spinous process.

Floroscopic technique

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • healthy volunteer, age \>/= 18

You may not qualify if:

  • previous cervical spine surgery, cervical spine deformity, pregnancy

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
DIAGNOSTIC
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 5, 2017

First Posted

January 6, 2017

Study Start

December 1, 2016

Primary Completion

December 1, 2016

Study Completion

January 1, 2017

Last Updated

January 18, 2017

Record last verified: 2017-01

Data Sharing

IPD Sharing
Will not share