Ocular Effects of Carotid Endarterectomy
Primary Purpose
Choroid, Carotid Stenosis, Carotid Endarterectomy
Status
Unknown status
Phase
Not Applicable
Locations
Study Type
Interventional
Intervention
OCT swept source DRI-Atlantis, Topcon
Sponsored by
About this trial
This is an interventional basic science trial for Choroid focused on measuring OCT
Eligibility Criteria
Inclusion Criteria:
- Carotid stenosis requiring surgical management
Exclusion Criteria:
- Ocular conditions: media opacities precluding fundus visualization, bilateral no-light perception
- Ocular surgery within 6 months prior to endarterectomy
Sites / Locations
Arms of the Study
Arm 1
Arm Type
Experimental
Arm Label
Patient undergoing carotid endarterectomy
Arm Description
All patients undergoing carotid endarterectomy in Shaare Zedek Medical Center Visual acuity measurement (Snellen) SS-OCT (DRI-Atlantis, Topcon) 3-dimensional scanning protocol with 3 μm axial resolution and a speed of 100,000 A-scans per second. 256 B-scans to be taken on an area of 12 × 9 μm. On pre-op visit (Monday) Day 1 post-surgery Discharge day Week 1 post-surgery Month 1 post-surgery
Outcomes
Primary Outcome Measures
Change in choroidal thickness
Change in choroidal thickness (microns) on OCT pictures
Secondary Outcome Measures
Visual acuity
Visual acuity as assessed by Snellen chart
Retinal changes
Analysis of OCT pictures
Full Information
NCT ID
NCT02448355
First Posted
November 28, 2014
Last Updated
November 24, 2015
Sponsor
Shaare Zedek Medical Center
1. Study Identification
Unique Protocol Identification Number
NCT02448355
Brief Title
Ocular Effects of Carotid Endarterectomy
Official Title
Ocular Effects of Carotid Endarterectomy A Cohort Longitudinal Study
Study Type
Interventional
2. Study Status
Record Verification Date
November 2015
Overall Recruitment Status
Unknown status
Study Start Date
March 2016 (undefined)
Primary Completion Date
March 2017 (Anticipated)
Study Completion Date
December 2017 (Anticipated)
3. Sponsor/Collaborators
Responsible Party, by Official Title
Principal Investigator
Name of the Sponsor
Shaare Zedek Medical Center
4. Oversight
Data Monitoring Committee
No
5. Study Description
Brief Summary
All patients undergoing carotid endarterectomy in Shaare Zedek Medical Hospital, during about 1 year, will be offered to participate.
Retinal and choroidal structural changes will be assessed using swept-source OCT technology
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Choroid, Carotid Stenosis, Carotid Endarterectomy
Keywords
OCT
7. Study Design
Primary Purpose
Basic Science
Study Phase
Not Applicable
Interventional Study Model
Single Group Assignment
Masking
None (Open Label)
Allocation
N/A
Enrollment
30 (Anticipated)
8. Arms, Groups, and Interventions
Arm Title
Patient undergoing carotid endarterectomy
Arm Type
Experimental
Arm Description
All patients undergoing carotid endarterectomy in Shaare Zedek Medical Center Visual acuity measurement (Snellen) SS-OCT (DRI-Atlantis, Topcon) 3-dimensional scanning protocol with 3 μm axial resolution and a speed of 100,000 A-scans per second. 256 B-scans to be taken on an area of 12 × 9 μm.
On pre-op visit (Monday)
Day 1 post-surgery
Discharge day
Week 1 post-surgery
Month 1 post-surgery
Intervention Type
Device
Intervention Name(s)
OCT swept source DRI-Atlantis, Topcon
Intervention Description
3-dimensional scanning protocol with 3 μm axial resolution and a speed of 100,000 A-scans per second. 256 B-scans to be taken on an area of 12 × 9 μm.
Primary Outcome Measure Information:
Title
Change in choroidal thickness
Description
Change in choroidal thickness (microns) on OCT pictures
Time Frame
one year
Secondary Outcome Measure Information:
Title
Visual acuity
Description
Visual acuity as assessed by Snellen chart
Time Frame
One year
Title
Retinal changes
Description
Analysis of OCT pictures
Time Frame
One year
10. Eligibility
Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
120 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria:
Carotid stenosis requiring surgical management
Exclusion Criteria:
Ocular conditions: media opacities precluding fundus visualization, bilateral no-light perception
Ocular surgery within 6 months prior to endarterectomy
12. IPD Sharing Statement
Learn more about this trial
Ocular Effects of Carotid Endarterectomy
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