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The role of choroidal optical coherence tomography for follow-up of carotid cavernous fistula with anterior drainage

Background To evaluate the role of the choroidal vascularity index (CVI) and the tortuosity index (TI), along with choroidal thickness measurements, in follow-up for anteriorly draining carotid cavernous fistulas (CCF) that would otherwise necessitate an invasive carotid angiogram. Methods In this l...

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Published in:Eye (London) 2022-10, Vol.36 (10), p.2020-2027
Main Authors: Arat, Yonca Ozkan, İnam, Onur, Yavas, Guliz Fatma, Arat, Anil
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İnam, Onur
Yavas, Guliz Fatma
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description Background To evaluate the role of the choroidal vascularity index (CVI) and the tortuosity index (TI), along with choroidal thickness measurements, in follow-up for anteriorly draining carotid cavernous fistulas (CCF) that would otherwise necessitate an invasive carotid angiogram. Methods In this longitudinal observational study, analysis of enhanced depth imaging spectral domain optical coherence tomography (SD-EDI-OCT) images of 22 patients with angiographically proven unilateral CCF with anterior drainage was performed for subfoveal choroidal thickness (SFCT), central foveal thickness (CFT), CVI and TI. Baseline measurements were compared with those taken at the last visit after occlusion of the fistula. Results Both in the clinically affected and unaffected eyes, there was a significant decrease in CFT ( p  = 0.015 and p  = 0.005, respectively), SFCT ( p  = 0.000 for both eyes), CVI ( p  = 0.002 and 0.001, respectively) and all three TI parameters, including inferior ( p  
doi_str_mv 10.1038/s41433-021-01744-2
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Methods In this longitudinal observational study, analysis of enhanced depth imaging spectral domain optical coherence tomography (SD-EDI-OCT) images of 22 patients with angiographically proven unilateral CCF with anterior drainage was performed for subfoveal choroidal thickness (SFCT), central foveal thickness (CFT), CVI and TI. Baseline measurements were compared with those taken at the last visit after occlusion of the fistula. Results Both in the clinically affected and unaffected eyes, there was a significant decrease in CFT ( p  = 0.015 and p  = 0.005, respectively), SFCT ( p  = 0.000 for both eyes), CVI ( p  = 0.002 and 0.001, respectively) and all three TI parameters, including inferior ( p  &lt; 0.001 and p  = 0.01, respectively) and superior temporal vein tortuosity index ( p  = 0.005 and p  = 0.02, respectively) as well as total venular tortuosity index ( p  &lt; 0.001 and p  = 0.002, respectively) after successful closure of the fistula compared to first presentation. Changes in all parameters were similar between the D-CCF and I-CCF groups except for CVI. Conclusions In this first study concerning follow-up of anteriorly draining unilateral CCFs by SD-EDI-OCT, we not only demonstrated involvement of the clinically unaffected eye but also showed that, this modality, utilizing CVI and TI together with choroidal thickness measurements, can be used as a readily available, noninvasive first-line followup method for evaluating occlusion of fistulas by endovascular treatment or spontaneous resolution.</description><identifier>ISSN: 0950-222X</identifier><identifier>EISSN: 1476-5454</identifier><identifier>DOI: 10.1038/s41433-021-01744-2</identifier><identifier>PMID: 34408315</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>692/308/409 ; 692/699/3161/3164 ; Cardiovascular system ; Fistula ; Fistulae ; Laboratory Medicine ; Medicine ; Medicine &amp; Public Health ; Occlusion ; Ophthalmology ; Pharmaceutical Sciences/Technology ; Surgery ; Surgical Oncology ; Tomography ; Wound drainage</subject><ispartof>Eye (London), 2022-10, Vol.36 (10), p.2020-2027</ispartof><rights>The Author(s), under exclusive licence to The Royal College of Ophthalmologists 2021</rights><rights>The Author(s), under exclusive licence to The Royal College of Ophthalmologists 2021.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c402t-9561eddd783f2e7e3af63bb5aea66e150677a7fbd39ffa59fbbaad807cf4d95c3</cites><orcidid>0000-0002-6578-7444 ; 0000-0002-4726-1190</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9500102/pdf/$$EPDF$$P50$$Gpubmedcentral$$H</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9500102/$$EHTML$$P50$$Gpubmedcentral$$H</linktohtml><link.rule.ids>230,314,727,780,784,885,27924,27925,53791,53793</link.rule.ids></links><search><creatorcontrib>Arat, Yonca Ozkan</creatorcontrib><creatorcontrib>İnam, Onur</creatorcontrib><creatorcontrib>Yavas, Guliz Fatma</creatorcontrib><creatorcontrib>Arat, Anil</creatorcontrib><title>The role of choroidal optical coherence tomography for follow-up of carotid cavernous fistula with anterior drainage</title><title>Eye (London)</title><addtitle>Eye</addtitle><description>Background To evaluate the role of the choroidal vascularity index (CVI) and the tortuosity index (TI), along with choroidal thickness measurements, in follow-up for anteriorly draining carotid cavernous fistulas (CCF) that would otherwise necessitate an invasive carotid angiogram. Methods In this longitudinal observational study, analysis of enhanced depth imaging spectral domain optical coherence tomography (SD-EDI-OCT) images of 22 patients with angiographically proven unilateral CCF with anterior drainage was performed for subfoveal choroidal thickness (SFCT), central foveal thickness (CFT), CVI and TI. Baseline measurements were compared with those taken at the last visit after occlusion of the fistula. Results Both in the clinically affected and unaffected eyes, there was a significant decrease in CFT ( p  = 0.015 and p  = 0.005, respectively), SFCT ( p  = 0.000 for both eyes), CVI ( p  = 0.002 and 0.001, respectively) and all three TI parameters, including inferior ( p  &lt; 0.001 and p  = 0.01, respectively) and superior temporal vein tortuosity index ( p  = 0.005 and p  = 0.02, respectively) as well as total venular tortuosity index ( p  &lt; 0.001 and p  = 0.002, respectively) after successful closure of the fistula compared to first presentation. 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Methods In this longitudinal observational study, analysis of enhanced depth imaging spectral domain optical coherence tomography (SD-EDI-OCT) images of 22 patients with angiographically proven unilateral CCF with anterior drainage was performed for subfoveal choroidal thickness (SFCT), central foveal thickness (CFT), CVI and TI. Baseline measurements were compared with those taken at the last visit after occlusion of the fistula. Results Both in the clinically affected and unaffected eyes, there was a significant decrease in CFT ( p  = 0.015 and p  = 0.005, respectively), SFCT ( p  = 0.000 for both eyes), CVI ( p  = 0.002 and 0.001, respectively) and all three TI parameters, including inferior ( p  &lt; 0.001 and p  = 0.01, respectively) and superior temporal vein tortuosity index ( p  = 0.005 and p  = 0.02, respectively) as well as total venular tortuosity index ( p  &lt; 0.001 and p  = 0.002, respectively) after successful closure of the fistula compared to first presentation. Changes in all parameters were similar between the D-CCF and I-CCF groups except for CVI. Conclusions In this first study concerning follow-up of anteriorly draining unilateral CCFs by SD-EDI-OCT, we not only demonstrated involvement of the clinically unaffected eye but also showed that, this modality, utilizing CVI and TI together with choroidal thickness measurements, can be used as a readily available, noninvasive first-line followup method for evaluating occlusion of fistulas by endovascular treatment or spontaneous resolution.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>34408315</pmid><doi>10.1038/s41433-021-01744-2</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-6578-7444</orcidid><orcidid>https://orcid.org/0000-0002-4726-1190</orcidid><oa>free_for_read</oa></addata></record>
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subjects 692/308/409
692/699/3161/3164
Cardiovascular system
Fistula
Fistulae
Laboratory Medicine
Medicine
Medicine & Public Health
Occlusion
Ophthalmology
Pharmaceutical Sciences/Technology
Surgery
Surgical Oncology
Tomography
Wound drainage
title The role of choroidal optical coherence tomography for follow-up of carotid cavernous fistula with anterior drainage
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