Dynamic Imaging of the Subtalar Instability (IDIS)
Primary Purpose
Subtalar Arthritis, Subtalar Instability
Status
Completed
Phase
Not Applicable
Locations
France
Study Type
Interventional
Intervention
Dynamic CT of the ankle
Sponsored by

About this trial
This is an interventional diagnostic trial for Subtalar Arthritis focused on measuring Subtalar arthritis, Subtalar instability
Eligibility Criteria
Inclusion Criteria:
- Group Instability: suspicion of subtalar instability
- Group Arhtritis: subtalar stiffness
- Group Healthy volunteers: healthy volunteers
- conscious and cooperating
- written consent obtained after oral and written clear and intelligible information
- no pregnancy
Exclusion Criteria:
- pregnancy
- unable to understand information about this study
- unable to understand the movement of inversion / eversion of ankle
- absence of affiliation to social security
Sites / Locations
- Central Hospital
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm Type
Experimental
Experimental
Experimental
Arm Label
Healthy volunteers
Arthritis
Instability
Arm Description
Outcomes
Primary Outcome Measures
Talocalcaneal angle
Maximum exposed distance on superolateral surface of calcaneum
Minimum distance between sustentaculum tali and talus posteromedial tubercle
Maximum distance between sustentaculum tali and talus posteromedial tubercle
Maximum anterolateral talocalcaneal distance
Maximum posterolateral talocalcaneal distance
Minimum posterolateral talocalcaneal distance
Secondary Outcome Measures
Full Information
NCT ID
NCT02887131
First Posted
February 29, 2012
Last Updated
September 2, 2016
Sponsor
Central Hospital, Nancy, France
1. Study Identification
Unique Protocol Identification Number
NCT02887131
Brief Title
Dynamic Imaging of the Subtalar Instability
Acronym
IDIS
Official Title
Evaluation of Dynamic Computed Tomography Anatomy of Ankle in Inversion / Eversion Mouvement in Subtalar Instability.
Study Type
Interventional
2. Study Status
Record Verification Date
August 2016
Overall Recruitment Status
Completed
Study Start Date
November 2011 (undefined)
Primary Completion Date
November 2012 (Actual)
Study Completion Date
November 2012 (Actual)
3. Sponsor/Collaborators
Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Central Hospital, Nancy, France
4. Oversight
Data Monitoring Committee
No
5. Study Description
Brief Summary
The purpose of this study is to describe normal dynamic computed tomography anatomy of hind foot in inversion/eversion movement, and to define diagnostic criteria for subtalar instability.
Detailed Description
Dynamic CT (Aquilion One Toshiba) of the ankle during inversion and eversion movement will be performed in patients from three groups: healthy volunteers, patients with subtalar arthritis, and patients with suspicion of subtalar instability.
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Subtalar Arthritis, Subtalar Instability
Keywords
Subtalar arthritis, Subtalar instability
7. Study Design
Primary Purpose
Diagnostic
Study Phase
Not Applicable
Interventional Study Model
Parallel Assignment
Masking
None (Open Label)
Allocation
Non-Randomized
Enrollment
60 (Actual)
8. Arms, Groups, and Interventions
Arm Title
Healthy volunteers
Arm Type
Experimental
Arm Title
Arthritis
Arm Type
Experimental
Arm Title
Instability
Arm Type
Experimental
Intervention Type
Other
Intervention Name(s)
Dynamic CT of the ankle
Intervention Description
during inversion and eversion mouvement, with Aquilion One Toshiba scanner
Primary Outcome Measure Information:
Title
Talocalcaneal angle
Time Frame
baseline
Title
Maximum exposed distance on superolateral surface of calcaneum
Time Frame
baseline
Title
Minimum distance between sustentaculum tali and talus posteromedial tubercle
Time Frame
baseline
Title
Maximum distance between sustentaculum tali and talus posteromedial tubercle
Time Frame
baseline
Title
Maximum anterolateral talocalcaneal distance
Time Frame
baseline
Title
Maximum posterolateral talocalcaneal distance
Time Frame
baseline
Title
Minimum posterolateral talocalcaneal distance
Time Frame
baseline
10. Eligibility
Sex
All
Minimum Age & Unit of Time
18 Years
Accepts Healthy Volunteers
Accepts Healthy Volunteers
Eligibility Criteria
Inclusion Criteria:
Group Instability: suspicion of subtalar instability
Group Arhtritis: subtalar stiffness
Group Healthy volunteers: healthy volunteers
conscious and cooperating
written consent obtained after oral and written clear and intelligible information
no pregnancy
Exclusion Criteria:
pregnancy
unable to understand information about this study
unable to understand the movement of inversion / eversion of ankle
absence of affiliation to social security
Facility Information:
Facility Name
Central Hospital
City
Nancy
ZIP/Postal Code
54000
Country
France
12. IPD Sharing Statement
Plan to Share IPD
No
Learn more about this trial
Dynamic Imaging of the Subtalar Instability
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