Comparison of Cervical Motion Restriction and Interface Pressure Between Two Cervical Collars
1 other identifier
observational
12
1 country
1
Brief Summary
Cervical orthoses are used to restrict motion for the purpose of preventing spinal instability following trauma or pre- and post-surgery or to protect from pain. Modern cervical orthoses are able to effectively restrict motion of the head however load is concentrated on areas of occipital tissue and may, with long term wear, lead to tissue breakdown in the form of pressure ulcers. Previous research has shown that the Miami J collar (Össur Americas Foothill Ranch, CA) effectively reduced cervical movement while providing superior pressure relief. As new cervical orthoses are developed and become commercially available it is useful to examine their performance in comparison to existing well-tested devices. DJO Global (Vista, CA) have recently developed a cervical collar. The purpose of this study is to compare the ability of this newly developed collar to restrict cervical range of motion while at the same time limit the tissue interface pressure exerted by the collar on patients when they are in an upright seated or supine position Data will be collected in a fully equipped 3D motion analysis laboratory. Cervical range of motion will be tracked and analyzed. Interface pressures between the head and collar will be measured using custom pressure mats.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for all trials
Started Nov 2018
Shorter than P25 for all trials
1 active site
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
November 30, 2018
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 9, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
November 2, 2019
CompletedFirst Submitted
Initial submission to the registry
September 13, 2020
CompletedFirst Posted
Study publicly available on registry
October 1, 2020
CompletedAugust 23, 2021
September 1, 2020
1 month
September 13, 2020
August 20, 2021
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Cervical range of motion
The subjects will be seated in a backed chair and monitored to ensure their spine remains in contact with the backrest throughout the CROM assessment. Each subject will be instructed to perform a sequence of of neck flexion-extension, lateral flexion, and rotation movements. Each movement will be repeated six times until the motion is stopped by muscle tightness, discomfort or a substitution movement occurs, without a collar, and with each study collar chosen chosen in random order. Angular range of motion in degrees will be recorded in each plane. Flexion-extension - angle between maximum flexion and maximum extension. Lateral flexion - angle between maximum right lateral flexion and maximum left lateral flexion. Rotation - angle between maximum right rotation and maximum left rotation.
At enrollment
Tissue interface pressure
With the subject seated, 3, 75 x 120mm pressure sensor pads, each pad each consisting of 40 individual sensors; will be placed over the anterior mandibles and occiput. The subject will be fit with an appropriately sized collar. The order of collar wear will be the same as for the CROM measurements. Pressure measurements and distribution of pressure will be recorded for a period of 30 seconds. The subject will then be placed in a supine position on a standard examination table without a pillow and pressure measurements and distribution of pressure will be collected for a period of 30 seconds while the subject maintains his/her head in a relaxed position.
At enrollment
Study Arms (3)
No collar
Cervical range of motion and tissue interface pressure measurements are recorded while subject are not wearing a cervical collar
DJO collar
Cervical range of motion and tissue interface pressure measurements are recorded while subject are wearing a DJO cervical collar
Miami J collar
Cervical range of motion and tissue interface pressure measurements are recorded while subject are wearing a Miami J cervical collar
Interventions
Data will be recorded while patients are not wearing or wearing one of two cervical collars
Eligibility Criteria
Subjects will be recruited by word of mouth from the surrounding general population and may include staff of MORE Foundation and The CORE Institute.
You may qualify if:
- English speaking.
- Subjects who have read and signed IRB approved informed consent for this study.
You may not qualify if:
- History of neck pain or neck injury requiring medical care within the previous 12 months.
- History of spinal surgery, physical or chiropractic therapy of the neck.
- History of cervical spondylosis or osteoporosis.
- Pregnant.
- Currently Incarcerated
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- More Foundationlead
- DJO LLCcollaborator
Study Sites (1)
MORE Foundation
Phoenix, Arizona, 85023, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Marc Jacofsky, PhD
More Foundation
Study Design
- Study Type
- observational
- Observational Model
- CASE ONLY
- Time Perspective
- CROSS SECTIONAL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 13, 2020
First Posted
October 1, 2020
Study Start
November 30, 2018
Primary Completion
January 9, 2019
Study Completion
November 2, 2019
Last Updated
August 23, 2021
Record last verified: 2020-09