Optical Coherence Tomography Angiography for Choroidal and Vitreoretinal Disorders – Part 2

Postoperative Ocular Perfusional Findings in Successfully Reattached Severe Proliferative Vitreoretinopathy, An OCT-A Evaluation

Author(s): Juan Pablo Dávila-Gonzalez* and José Dalma-Weiszhausz

Pp: 89-93 (5)

DOI: 10.2174/9789815196658123010007

* (Excluding Mailing and Handling)

Abstract

Rhegmatogenous retinal detachment (RRD) is the separation of the neurosensory retina from the underlying retinal pigment epithelium (RPE) and is one of the leading causes of severe vision loss when it involves the macula or proliferative vitreoretinopathy (PVR) in different stages. Optical coherence tomography (OCT) and Optical coherence tomography - angiography (OCT-A) have opened a new scenario in the investigation of macular microstructural abnormalities in RRD.

Findings in the preoperative retinal detachment structural B-scans in OCT such as ellipsoid zone (EZ)/external limiting membrane (ELM) integrity, cavities along the inner nuclear layer (INL) or outer nuclear layer (ONL), retinal height of detachment at the fovea, presence of retinal folds and subfoveal choroidal thickness may predict the functional and structural outcomes.

Structural and en-face analysis with OCT-A in RRD with PVR has demonstrated an enlarged foveal avascular zone, and changes in the flow at the superficial, intermediate and deep capillary plexus during 6 months postoperative follow up. High resolution and deep enhancing imaging OCT-A technology will provide an important role regarding the choriocapillaris and choroid and their potential correlation with visual acuity recovery.

OCT and OCT-A will provide preoperative prognostic biomarkers and adequate vascular retinochoroidal layers may influence a postoperative outcome.

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      • 16. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
      • 17. vendor/laravel/framework/src/Illuminate/Routing/Route.php:260
    • (select j.user_access_id,j.volume_id,j.user_id,j.from_ip,j.to_ip,j.type,j.track,"Trial Access" as access_base_text, CASE j.type WHEN 111 THEN true ELSE false END as terms_popup, "S" as content_download_type, null as restricted_user_access_key, null as restricted_user_access_type, CASE j.track WHEN 0 THEN false ELSE true END as tracksAccessByVolume,"chapter" as access_level, j.chapter_id from `user_access_chapter_trail` as `j` inner join `user_access_info` as `info` on `j`.`user_access_id` = `info`.`user_access_id` where ((j.from_ip <= 59584110 and j.to_ip >=59584110 )) and ((j.from_date <= 1739834711 and j.to_date >= 1739834711 and j.perpetual= 0) or (j.from_date is null and j.to_date is null and j.perpetual= 1)) and j.chapter_id = 21351) union (select j.user_access_id,j.volume_id,j.user_id,j.from_ip,j.to_ip,j.type,j.track,"Subscribed" as access_base_text, false as terms_popup, "S" as content_download_type, null as restricted_user_access_key, null as restricted_user_access_type, CASE j.track WHEN 0 THEN false ELSE true END as tracksAccessByVolume,"chapter" as access_level, j.chapter_id from `user_access_chapter_corporate` as `j` inner join `user_access_info` as `info` on `j`.`user_access_id` = `info`.`user_access_id` where ((j.from_ip <= 59584110 and j.to_ip >=59584110 )) and ((j.from_date <= 1739834711 and j.to_date >= 1739834711 and j.perpetual= 0) or (j.from_date is null and j.to_date is null and j.perpetual= 1)) and j.chapter_id = 21351) union (select j.user_access_id,j.volume_id,j.user_id,j.from_ip,j.to_ip,j.type,j.track,"Token Based Access" as access_base_text, false as terms_popup, "R" as content_download_type, j.uc_id as restricted_user_access_key, "v" as restricted_user_access_type, CASE j.track WHEN 0 THEN false ELSE true END as tracksAccessByVolume,"chapter" as access_level, j.chapter_id from `user_access_chapter_token` as `j` inner join `user_access_info` as `info` on `j`.`user_access_id` = `info`.`user_access_id` where ((j.from_ip <= 59584110 and j.to_ip >=59584110 )) and ((j.from_date <= 1739834711 and j.to_date >= 1739834711 and j.perpetual= 0) or (j.from_date is null and j.to_date is null and j.perpetual= 1)) and j.chapter_id = 21351)
      510μsalphaeurekaselec_live_10_06_2022UserAccess.php#1266
      Backtrace
      • 13. app/Models/UserAccess/UserAccess.php:1266
      • 14. app/Http/Controllers/ChapterController.php:1549
      • 15. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
      • 16. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
      • 17. vendor/laravel/framework/src/Illuminate/Routing/Route.php:260
    • select b.banner_link, b.banner_name, b.banner_script, b.banner_remarks, b.banner_file_name, b.banner_placement, bd.content_type, bd.content_id from `tbl_banner` as `b` inner join `tbl_banner_detail` as `bd` on `bd`.`banner_id` = `b`.`banner_id` inner join `users` as `u` on `u`.`id` = `b`.`updated_by` where `b`.`banner_ebook` = 1 and `bd`.`content_type` = 'B' and `bd`.`content_id` = 3649 and `b`.`banner_from_date` <= 1739834711 and `b`.`banner_to_date` >= 1739834711 and `b`.`banner_status` = 'A' order by `b`.`banner_id` desc
      1.02msalphaeurekaselec_live_10_06_2022Banner.php#95
      Bindings
      • 0: 1
      • 1: B
      • 2: 3649
      • 3: 1739834711
      • 4: 1739834711
      • 5: A
      Backtrace
      • 13. app/Models/Banner.php:95
      • 14. app/Http/helpers.php:404
      • 17. vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:124
      • 18. vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58
      • 19. vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:73
    • select count(*) as aggregate from `uc_cart_products` where cart_id='d530e3e46fada69cb12785cc0706a9cf'
      180μsalphaeurekaselec_live_10_06_2022Cart.php#271
      Backtrace
      • 15. app/Models/Cart.php:271
      • 16. view::layouts._header:260
      • 18. vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:124
      • 19. vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58
      • 20. vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:73
    App\Models\Chapter
    1Chapter.php#?
    App\Models\Ebook
    1Ebook.php#?
        _token
        O6W2gu9bMB2SudlCh47i926yAjYClRVpfsBX1yek
        uc_cart_id
        d530e3e46fada69cb12785cc0706a9cf
        _previous
        array:1 [ "url" => "https://alpha.eurekaselect.com/chapter/21351" ]
        _flash
        array:2 [ "old" => [] "new" => [] ]
        PHPDEBUGBAR_STACK_DATA
        []
        path_info
        /chapter/21351
        status_code
        200
        
        status_text
        OK
        format
        html
        content_type
        text/html; charset=UTF-8
        request_query
        []
        
        request_request
        []
        
        request_headers
        0 of 0
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        request_cookies
        0 of 0
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        response_headers
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        ClearShow all
        Date ↕MethodURLData
        #12025-02-17 23:25:11GET/chapter/21351112192