{"id":1379,"date":"2022-11-09T00:00:00","date_gmt":"2022-11-08T23:00:00","guid":{"rendered":"https:\/\/preprod.retinegallien.com\/publication\/quantitative-analysis-of-choriocapillaris-alterations-in-swept-source-optical-coherence-tomography-angiography-during-radiation-retinopathy\/"},"modified":"2022-11-09T00:00:00","modified_gmt":"2022-11-08T23:00:00","slug":"quantitative-analysis-of-choriocapillaris-alterations-in-swept-source-optical-coherence-tomography-angiography-during-radiation-retinopathy","status":"publish","type":"publication","link":"https:\/\/www.retinegallien.com\/en\/publication\/quantitative-analysis-of-choriocapillaris-alterations-in-swept-source-optical-coherence-tomography-angiography-during-radiation-retinopathy\/","title":{"rendered":"QUANTITATIVE ANALYSIS OF CHORIOCAPILLARIS ALTERATIONS IN SWEPT-SOURCE OPTICAL COHERENCE TOMOGRAPHY-ANGIOGRAPHY DURING RADIATION RETINOPATHY"},"content":{"rendered":"<p><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/?term=Gilli+C&amp;cauthor_id=35976250\">Christelle Gilli<\/a>,&nbsp;<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/?term=Kodjikian+L&amp;cauthor_id=35976250\">Laurent Kodjikian<\/a>,&nbsp;<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/?term=Loria+O&amp;cauthor_id=35976250\">Olivier Loria<\/a>,&nbsp;<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/?term=Jabour+C&amp;cauthor_id=35976250\">Charles Jabour<\/a>,&nbsp;<strong><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/?term=Rosier+L&amp;cauthor_id=35976250\">Laurence Rosier<\/a>,<\/strong>&nbsp;<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/?term=Nhari+M&amp;cauthor_id=35976250\">Maxime Nhari<\/a>,&nbsp;<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/?term=Nguyen+AM&amp;cauthor_id=35976250\">Anh Minh Nguyen<\/a>,&nbsp;<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/?term=Herault+J&amp;cauthor_id=35976250\">Jo\u00ebl Herault<\/a>,&nbsp;<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/?term=Thariat+J&amp;cauthor_id=35976250\">Juliette Thariat<\/a>,&nbsp;<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/?term=Salleron+J&amp;cauthor_id=35976250\">Julia Salleron<\/a>,&nbsp;<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/?term=Mathis+T&amp;cauthor_id=35976250\">Thibaud<\/a>&nbsp;Mathis<br \/>\n<strong>Retina.<\/strong>&nbsp;2022 Oct 1;42(10):1995-2003.<br \/><\/br \/><\/p>\n<h2>Abstract<\/h2>\n<p><strong>Purpose:&nbsp;<\/strong>To evaluate choriocapillaris alterations following proton beam therapy irradiation using swept-source optical coherence tomography-angiography, and to assess their correlation with the grade of radiation retinopathy (RR).<\/p>\n<p><strong>Methods:&nbsp;<\/strong>Eyes with uveal melanoma evaluated before and after irradiation with proton beam therapy were included, as well as the healthy fellow eye. The gradation of RR was based on a previously published classification. Choriocapillaris flow voids area was analyzed using Phansalkar thresholding. Retinal vascularization was described by foveal avascular zone (FAZ) perimeter, FAZ area, FAZ circularity index, and percentage of nonperfusion area (PAN) in the superficial capillary plexus (SCP) or deep capillary plexus.<\/p>\n<p><strong>Results:&nbsp;<\/strong>A total of 157 eyes of 83 patients were analyzed. Overall, there was a significant difference between the control group, the uveal melanoma before proton beam therapy group, and the grades of RR in the uveal melanoma after proton beam therapy group for FAZ perimeter ( P &lt; 0.001), FAZ area ( P &lt; 0.001), FAZ-circularity index ( P &lt; 0.001), PAN-SCP ( P &lt; 0.001), PAN-deep capillary plexus ( P &lt; 0.001), and choriocapillaris flow voids area ( P &lt; 0.001). Moreover, choriocapillaris flow voids area was significantly increased in the early stages of RR ( P = 0.003) and was further significantly correlated with FAZ perimeter ( P &lt; 0.001), FAZ area ( P &lt; 0.001), FAZ-circularity index ( P = 0.010), PAN-SCP ( P &lt; 0.001), and PAN-deep capillary plexus ( P &lt; 0.001).<\/p>\n<p><strong>Conclusion:&nbsp;<\/strong>Quantitative optical coherence tomography-angiography alterations in the choriocapillaris microvascularization are an early biomarker of RR and are correlated to the severity of the disease.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"class_list":["post-1379","publication","type-publication","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>QUANTITATIVE ANALYSIS OF CHORIOCAPILLARIS ALTERATIONS IN SWEPT-SOURCE OPTICAL COHERENCE TOMOGRAPHY-ANGIOGRAPHY DURING RADIATION RETINOPATHY - R\u00e9tine Gallien<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.retinegallien.com\/en\/publication\/quantitative-analysis-of-choriocapillaris-alterations-in-swept-source-optical-coherence-tomography-angiography-during-radiation-retinopathy\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"QUANTITATIVE ANALYSIS OF CHORIOCAPILLARIS ALTERATIONS IN SWEPT-SOURCE OPTICAL COHERENCE TOMOGRAPHY-ANGIOGRAPHY DURING RADIATION RETINOPATHY - R\u00e9tine Gallien\" \/>\n<meta property=\"og:description\" content=\"Christelle Gilli,&nbsp;Laurent Kodjikian,&nbsp;Olivier Loria,&nbsp;Charles Jabour,&nbsp;Laurence Rosier,&nbsp;Maxime Nhari,&nbsp;Anh Minh Nguyen,&nbsp;Jo\u00ebl Herault,&nbsp;Juliette Thariat,&nbsp;Julia Salleron,&nbsp;Thibaud&nbsp;Mathis Retina.&nbsp;2022 Oct 1;42(10):1995-2003. Abstract Purpose:&nbsp;To evaluate choriocapillaris alterations following proton beam therapy irradiation using swept-source optical coherence tomography-angiography, and to assess their correlation with the grade of radiation retinopathy (RR). Methods:&nbsp;Eyes with uveal melanoma evaluated before and after irradiation with proton beam therapy [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.retinegallien.com\/en\/publication\/quantitative-analysis-of-choriocapillaris-alterations-in-swept-source-optical-coherence-tomography-angiography-during-radiation-retinopathy\/\" \/>\n<meta property=\"og:site_name\" content=\"R\u00e9tine Gallien\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.retinegallien.com\\\/en\\\/publication\\\/quantitative-analysis-of-choriocapillaris-alterations-in-swept-source-optical-coherence-tomography-angiography-during-radiation-retinopathy\\\/\",\"url\":\"https:\\\/\\\/www.retinegallien.com\\\/en\\\/publication\\\/quantitative-analysis-of-choriocapillaris-alterations-in-swept-source-optical-coherence-tomography-angiography-during-radiation-retinopathy\\\/\",\"name\":\"QUANTITATIVE ANALYSIS OF CHORIOCAPILLARIS ALTERATIONS IN SWEPT-SOURCE OPTICAL COHERENCE TOMOGRAPHY-ANGIOGRAPHY DURING RADIATION RETINOPATHY - 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R\u00e9tine Gallien","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.retinegallien.com\/en\/publication\/quantitative-analysis-of-choriocapillaris-alterations-in-swept-source-optical-coherence-tomography-angiography-during-radiation-retinopathy\/","og_locale":"en_US","og_type":"article","og_title":"QUANTITATIVE ANALYSIS OF CHORIOCAPILLARIS ALTERATIONS IN SWEPT-SOURCE OPTICAL COHERENCE TOMOGRAPHY-ANGIOGRAPHY DURING RADIATION RETINOPATHY - R\u00e9tine Gallien","og_description":"Christelle Gilli,&nbsp;Laurent Kodjikian,&nbsp;Olivier Loria,&nbsp;Charles Jabour,&nbsp;Laurence Rosier,&nbsp;Maxime Nhari,&nbsp;Anh Minh Nguyen,&nbsp;Jo\u00ebl Herault,&nbsp;Juliette Thariat,&nbsp;Julia Salleron,&nbsp;Thibaud&nbsp;Mathis Retina.&nbsp;2022 Oct 1;42(10):1995-2003. Abstract Purpose:&nbsp;To evaluate choriocapillaris alterations following proton beam therapy irradiation using swept-source optical coherence tomography-angiography, and to assess their correlation with the grade of radiation retinopathy (RR). 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