- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03295630
Validity of an Actigraph Accelerometer Following Critical Illness
Criterion Validity of the Actigraph GT3X Accelerometer in Determination of Body Position and Walking in Hospital Ward Patients Recovering From Critical Illness
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Ward based patients recovering from critical illness who satisfy the inclusion criteria will have an Actigraph GT3X accelerometer positioned on the thigh and ankle of the non dominant leg. These will be used as an objective method of identifying adoption of lying, sitting and standing postures and quantification of step count. Both placement sites will be investigated in isolation. A further analysis will be undertaken to determine whether combining data from both placement sites (ankle and thigh) is superior in identification of lying, sitting and standing postures compared to an isolated single site. Accelerometer data will be compared against direct observation as the criterion measure.
Patients will undertake a semi-structured movement protocol consisting of typical activities undertaken by this population. These include lying in bed, transferring over the side of the bed, sit to stand postural transfers (and the reverse), sitting in a chair and walking. Observation periods will not exceed 3 hours. During this time all aspects of the movement protocol will be completed.
The data from this study will be analysed to determine the validity of the Actigraph GT3X in identification of body position and quantification of step count using the placement sites described above.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
East Yorkshire
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Hull, East Yorkshire, United Kingdom, HU3 2JZ
- Hull and East Yorkshire Hospitals NHS Trust
-
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
1 18 years of age or above.
2. Ventilated in excess of 48 hours during admission in the Intensive Care Unit (ICU).
3. Currently resident on a hospital ward (secondary care) following step down from ICU
4. Able to undertake all postural transfers independently or with minimal assistance (one person only).
5. Able to mobilise short distances, either independently or with assistance from a walking aid or one person.
6. Willing to permit application of two Actigraph GT3X accelerometers Each device weighs 27g with dimensions of 3.8cm x 3.7cm x 1.8cm.
7. Willing to consent to a period of direct observation for a length of time not exceeding three hours.
Exclusion Criteria:
- Unable to provide informed written consent themselves
- Unwilling to consent to a period of observation not exceeding three hours.
- Unable to make an informed decision about participation or demonstrating an inability to interpret information or follow study instructions
- Significant neurological or coordination impairment
- Unable to speak or understand English.
- Clostridium Difficile/ similar infection or unmanaged urinary incontinence.
- Evidence/ diagnosis of peripheral vascular disease.
- Lower limb amputation
- Polytrauma which prevents the adoption or normal lying, sitting or standing postures, or placement of the accelerometers
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Actigraph GT3X accelerometer
Ward based patients recovering from critical illness will wear two accelerometers placed on the thigh and ankle of the non-dominant leg
|
Participants will perform a semi-structured movement protocol to investigate the ability of the Actigraph GT3X accelerometer to identify body position (lying, sitting or standing) and quantify step count.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Ability of an Accelerometer to Identify Step Count
Time Frame: Participants wore the accelerometers for a maximum of 3 hours, undertaking a semi-structured movement protocol
|
Agreement between direct observation and the activity monitors (ankle and thigh placements in isolation) in determination of step count.
The mean difference (95% Limits of Agreement) between observed step count and accelerometer quantified step count for the same walk were calculated.
Negative values reflected an underestimation of observed step count by the accelerometer and positive values reflected an overestimation of step count.
|
Participants wore the accelerometers for a maximum of 3 hours, undertaking a semi-structured movement protocol
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Comfort of Accelerometers
Time Frame: Accelerometers were worn for a period not exceeding 3 hours
|
Participants were asked to rate their assessment of how comfortable the accelerometers were. They were requested to choose a statement on a five-point Likert Scale. The statements were:
Participants chose the most appropriate statement which they felt reflected how comfortable they found the accelerometers to wear. |
Accelerometers were worn for a period not exceeding 3 hours
|
Collaborators and Investigators
Investigators
- Principal Investigator: Jayne Anderson, GradDipPhys, Hull University Teaching Hospitals NHS Trust
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- R1978
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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