New ophthalmologic imaging techniques for detection and monitoring of neurodegenerative changes in diabetes: a systematic review
Summary Optical coherence tomography (OCT) of the retina and around the optic nerve head and corneal confocal microscopy (CCM) are non-invasive and repeatable techniques that can quantify ocular neurodegenerative changes in individuals with diabetes. We systematically reviewed studies of ocular neur...
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Veröffentlicht in: | The lancet. Diabetes & endocrinology 2015-08, Vol.3 (8), p.653-663 |
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creator | De Clerck, Eline E B, Dr Schouten, Jan S A G, MD Berendschot, Tos T J M, PhD Kessels, Alfons G H, MD Nuijts, Rudy M M A, Prof Beckers, Henny J M, MD Schram, Miranda T, PhD Stehouwer, Coen D A, Prof Webers, Carroll A B, Prof |
description | Summary Optical coherence tomography (OCT) of the retina and around the optic nerve head and corneal confocal microscopy (CCM) are non-invasive and repeatable techniques that can quantify ocular neurodegenerative changes in individuals with diabetes. We systematically reviewed studies of ocular neurodegenerative changes in adults with type 1 or type 2 diabetes and noted changes in the retina, the optic nerve head, and the cornea. Of the 30 studies that met our inclusion criteria, 14 used OCT and 16 used CCM to assess ocular neurodegenerative changes. Even in the absence of diabetic retinopathy, several layers in the retina and the mean retinal nerve fibre layer around the optic nerve head were significantly thinner (−5·36 μm [95% CI −7·13 to −3·58]) in individuals with type 2 diabetes compared with individuals without diabetes. In individuals with type 1 diabetes without retinopathy none of the intraretinal layer thicknesses were significantly reduced compared with individuals without diabetes. In the absence of diabetic polyneuropathy, individuals with type 2 diabetes had a lower nerve density (nerve branch density: −1·10/mm2 [95% CI −4·22 to 2·02]), nerve fibre density: −5·80/mm2 [–8·06 to −3·54], and nerve fibre length: −4·00 mm/mm2 [–5·93 to −2·07]) in the subbasal nerve plexus of the cornea than individuals without diabetes. Individuals with type 1 diabetes without polyneuropathy also had a lower nerve density (nerve branch density: −7·74/mm2 [95% CI −14·13 to −1·34], nerve fibre density: −2·68/mm2 [–5·56 to 0·20]), and nerve fibre length: −2·58 mm/mm2 [–3·94 to −1·21]). Ocular neurodegenerative changes are more evident when diabetic retinopathy or polyneuropathy is present. OCT and CCM are potentially useful, in addition to conventional clinical methods, to assess diabetic neurodegenerative changes. Additional research is needed to determine their incremental benefit and to standardise procedures before the application of OCT and CCM in daily practice. |
doi_str_mv | 10.1016/S2213-8587(15)00136-9 |
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We systematically reviewed studies of ocular neurodegenerative changes in adults with type 1 or type 2 diabetes and noted changes in the retina, the optic nerve head, and the cornea. Of the 30 studies that met our inclusion criteria, 14 used OCT and 16 used CCM to assess ocular neurodegenerative changes. Even in the absence of diabetic retinopathy, several layers in the retina and the mean retinal nerve fibre layer around the optic nerve head were significantly thinner (−5·36 μm [95% CI −7·13 to −3·58]) in individuals with type 2 diabetes compared with individuals without diabetes. In individuals with type 1 diabetes without retinopathy none of the intraretinal layer thicknesses were significantly reduced compared with individuals without diabetes. In the absence of diabetic polyneuropathy, individuals with type 2 diabetes had a lower nerve density (nerve branch density: −1·10/mm2 [95% CI −4·22 to 2·02]), nerve fibre density: −5·80/mm2 [–8·06 to −3·54], and nerve fibre length: −4·00 mm/mm2 [–5·93 to −2·07]) in the subbasal nerve plexus of the cornea than individuals without diabetes. Individuals with type 1 diabetes without polyneuropathy also had a lower nerve density (nerve branch density: −7·74/mm2 [95% CI −14·13 to −1·34], nerve fibre density: −2·68/mm2 [–5·56 to 0·20]), and nerve fibre length: −2·58 mm/mm2 [–3·94 to −1·21]). Ocular neurodegenerative changes are more evident when diabetic retinopathy or polyneuropathy is present. OCT and CCM are potentially useful, in addition to conventional clinical methods, to assess diabetic neurodegenerative changes. Additional research is needed to determine their incremental benefit and to standardise procedures before the application of OCT and CCM in daily practice.</description><identifier>ISSN: 2213-8587</identifier><identifier>EISSN: 2213-8595</identifier><identifier>DOI: 10.1016/S2213-8587(15)00136-9</identifier><identifier>PMID: 26184671</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Adult ; Cornea - pathology ; Corneal Diseases - complications ; Corneal Diseases - pathology ; Diabetes Mellitus, Type 1 - complications ; Diabetes Mellitus, Type 2 - complications ; Diabetic Retinopathy - complications ; Diabetic Retinopathy - pathology ; Endocrinology & Metabolism ; Eye Diseases - complications ; Eye Diseases - pathology ; Female ; Humans ; Male ; Microscopy, Confocal - methods ; Middle Aged ; Neurodegenerative Diseases - complications ; Neurodegenerative Diseases - pathology ; Optic Nerve Diseases - complications ; Optic Nerve Diseases - pathology ; Other ; Retina - pathology ; Tomography, Optical Coherence - methods</subject><ispartof>The lancet. Diabetes & endocrinology, 2015-08, Vol.3 (8), p.653-663</ispartof><rights>Elsevier Ltd</rights><rights>2015 Elsevier Ltd</rights><rights>Copyright © 2015 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c533t-89c9bb58477d04db96137d1ea8cb951591b29b642770c2c3a13fd9b603f9fe903</citedby><cites>FETCH-LOGICAL-c533t-89c9bb58477d04db96137d1ea8cb951591b29b642770c2c3a13fd9b603f9fe903</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26184671$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>De Clerck, Eline E B, Dr</creatorcontrib><creatorcontrib>Schouten, Jan S A G, MD</creatorcontrib><creatorcontrib>Berendschot, Tos T J M, PhD</creatorcontrib><creatorcontrib>Kessels, Alfons G H, MD</creatorcontrib><creatorcontrib>Nuijts, Rudy M M A, Prof</creatorcontrib><creatorcontrib>Beckers, Henny J M, MD</creatorcontrib><creatorcontrib>Schram, Miranda T, PhD</creatorcontrib><creatorcontrib>Stehouwer, Coen D A, Prof</creatorcontrib><creatorcontrib>Webers, Carroll A B, Prof</creatorcontrib><title>New ophthalmologic imaging techniques for detection and monitoring of neurodegenerative changes in diabetes: a systematic review</title><title>The lancet. Diabetes & endocrinology</title><addtitle>Lancet Diabetes Endocrinol</addtitle><description>Summary Optical coherence tomography (OCT) of the retina and around the optic nerve head and corneal confocal microscopy (CCM) are non-invasive and repeatable techniques that can quantify ocular neurodegenerative changes in individuals with diabetes. We systematically reviewed studies of ocular neurodegenerative changes in adults with type 1 or type 2 diabetes and noted changes in the retina, the optic nerve head, and the cornea. Of the 30 studies that met our inclusion criteria, 14 used OCT and 16 used CCM to assess ocular neurodegenerative changes. Even in the absence of diabetic retinopathy, several layers in the retina and the mean retinal nerve fibre layer around the optic nerve head were significantly thinner (−5·36 μm [95% CI −7·13 to −3·58]) in individuals with type 2 diabetes compared with individuals without diabetes. In individuals with type 1 diabetes without retinopathy none of the intraretinal layer thicknesses were significantly reduced compared with individuals without diabetes. In the absence of diabetic polyneuropathy, individuals with type 2 diabetes had a lower nerve density (nerve branch density: −1·10/mm2 [95% CI −4·22 to 2·02]), nerve fibre density: −5·80/mm2 [–8·06 to −3·54], and nerve fibre length: −4·00 mm/mm2 [–5·93 to −2·07]) in the subbasal nerve plexus of the cornea than individuals without diabetes. Individuals with type 1 diabetes without polyneuropathy also had a lower nerve density (nerve branch density: −7·74/mm2 [95% CI −14·13 to −1·34], nerve fibre density: −2·68/mm2 [–5·56 to 0·20]), and nerve fibre length: −2·58 mm/mm2 [–3·94 to −1·21]). Ocular neurodegenerative changes are more evident when diabetic retinopathy or polyneuropathy is present. OCT and CCM are potentially useful, in addition to conventional clinical methods, to assess diabetic neurodegenerative changes. Additional research is needed to determine their incremental benefit and to standardise procedures before the application of OCT and CCM in daily practice.</description><subject>Adult</subject><subject>Cornea - pathology</subject><subject>Corneal Diseases - complications</subject><subject>Corneal Diseases - pathology</subject><subject>Diabetes Mellitus, Type 1 - complications</subject><subject>Diabetes Mellitus, Type 2 - complications</subject><subject>Diabetic Retinopathy - complications</subject><subject>Diabetic Retinopathy - pathology</subject><subject>Endocrinology & Metabolism</subject><subject>Eye Diseases - complications</subject><subject>Eye Diseases - pathology</subject><subject>Female</subject><subject>Humans</subject><subject>Male</subject><subject>Microscopy, Confocal - methods</subject><subject>Middle Aged</subject><subject>Neurodegenerative Diseases - complications</subject><subject>Neurodegenerative Diseases - pathology</subject><subject>Optic Nerve Diseases - complications</subject><subject>Optic Nerve Diseases - pathology</subject><subject>Other</subject><subject>Retina - pathology</subject><subject>Tomography, Optical Coherence - methods</subject><issn>2213-8587</issn><issn>2213-8595</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkMFu1DAQhiMEolXpI4B8LIeAJ47jmAOoqqBFquAAnC3HnmRdEnuxk1Z749FxdpceuHCyNfr-fzRfUbwE-gYoNG-_VRWwsuWtuAD-mlJgTSmfFKfHseRPH_-tOCnOU7qjmaKcNS19XpxUDbR1I-C0-P0FH0jYbuaNHqcwhsEZ4iY9OD-QGc3Gu18LJtKHSCzmweyCJ9pbMgXv5hBXLvTE4xKDxQE9Rj27eyRmo_2Qk84T63SXs-kd0STt0oxTRgyJeO_w4UXxrNdjwvPje1b8-PTx-9VNefv1-vPV5W1pOGNz2Uoju463tRCW1raTDTBhAXVrOsmBS-gq2TV1JQQ1lWEaWG_zgLJe9igpOysuDr3bGNaTZjW5ZHActcewJAWNlLVkQkBG-QE1MaQUsVfbmJ3EnQKqVv9q71-tchVwtfevZM69Oq5YugntY-qv7Qx8OACYD83HR5WMQ2_QupjVKhvcf1e8_6fBjM47o8efuMN0F5bos0UFKlWKHkrWDuD7Bsn-AI5tq-g</recordid><startdate>20150801</startdate><enddate>20150801</enddate><creator>De Clerck, Eline E B, Dr</creator><creator>Schouten, Jan S A G, MD</creator><creator>Berendschot, Tos T J M, PhD</creator><creator>Kessels, Alfons G H, MD</creator><creator>Nuijts, Rudy M M A, Prof</creator><creator>Beckers, Henny J M, MD</creator><creator>Schram, Miranda T, PhD</creator><creator>Stehouwer, Coen D A, Prof</creator><creator>Webers, Carroll A B, Prof</creator><general>Elsevier Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20150801</creationdate><title>New ophthalmologic imaging techniques for detection and monitoring of neurodegenerative changes in diabetes: a systematic review</title><author>De Clerck, Eline E B, Dr ; Schouten, Jan S A G, MD ; Berendschot, Tos T J M, PhD ; Kessels, Alfons G H, MD ; Nuijts, Rudy M M A, Prof ; Beckers, Henny J M, MD ; Schram, Miranda T, PhD ; Stehouwer, Coen D A, Prof ; Webers, Carroll A B, Prof</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c533t-89c9bb58477d04db96137d1ea8cb951591b29b642770c2c3a13fd9b603f9fe903</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Adult</topic><topic>Cornea - pathology</topic><topic>Corneal Diseases - complications</topic><topic>Corneal Diseases - pathology</topic><topic>Diabetes Mellitus, Type 1 - complications</topic><topic>Diabetes Mellitus, Type 2 - complications</topic><topic>Diabetic Retinopathy - complications</topic><topic>Diabetic Retinopathy - pathology</topic><topic>Endocrinology & Metabolism</topic><topic>Eye Diseases - complications</topic><topic>Eye Diseases - pathology</topic><topic>Female</topic><topic>Humans</topic><topic>Male</topic><topic>Microscopy, Confocal - methods</topic><topic>Middle Aged</topic><topic>Neurodegenerative Diseases - complications</topic><topic>Neurodegenerative Diseases - pathology</topic><topic>Optic Nerve Diseases - complications</topic><topic>Optic Nerve Diseases - pathology</topic><topic>Other</topic><topic>Retina - pathology</topic><topic>Tomography, Optical Coherence - methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>De Clerck, Eline E B, Dr</creatorcontrib><creatorcontrib>Schouten, Jan S A G, MD</creatorcontrib><creatorcontrib>Berendschot, Tos T J M, PhD</creatorcontrib><creatorcontrib>Kessels, Alfons G H, MD</creatorcontrib><creatorcontrib>Nuijts, Rudy M M A, Prof</creatorcontrib><creatorcontrib>Beckers, Henny J M, MD</creatorcontrib><creatorcontrib>Schram, Miranda T, PhD</creatorcontrib><creatorcontrib>Stehouwer, Coen D A, Prof</creatorcontrib><creatorcontrib>Webers, Carroll A B, Prof</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>The lancet. Diabetes & endocrinology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>De Clerck, Eline E B, Dr</au><au>Schouten, Jan S A G, MD</au><au>Berendschot, Tos T J M, PhD</au><au>Kessels, Alfons G H, MD</au><au>Nuijts, Rudy M M A, Prof</au><au>Beckers, Henny J M, MD</au><au>Schram, Miranda T, PhD</au><au>Stehouwer, Coen D A, Prof</au><au>Webers, Carroll A B, Prof</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>New ophthalmologic imaging techniques for detection and monitoring of neurodegenerative changes in diabetes: a systematic review</atitle><jtitle>The lancet. Diabetes & endocrinology</jtitle><addtitle>Lancet Diabetes Endocrinol</addtitle><date>2015-08-01</date><risdate>2015</risdate><volume>3</volume><issue>8</issue><spage>653</spage><epage>663</epage><pages>653-663</pages><issn>2213-8587</issn><eissn>2213-8595</eissn><abstract>Summary Optical coherence tomography (OCT) of the retina and around the optic nerve head and corneal confocal microscopy (CCM) are non-invasive and repeatable techniques that can quantify ocular neurodegenerative changes in individuals with diabetes. We systematically reviewed studies of ocular neurodegenerative changes in adults with type 1 or type 2 diabetes and noted changes in the retina, the optic nerve head, and the cornea. Of the 30 studies that met our inclusion criteria, 14 used OCT and 16 used CCM to assess ocular neurodegenerative changes. Even in the absence of diabetic retinopathy, several layers in the retina and the mean retinal nerve fibre layer around the optic nerve head were significantly thinner (−5·36 μm [95% CI −7·13 to −3·58]) in individuals with type 2 diabetes compared with individuals without diabetes. In individuals with type 1 diabetes without retinopathy none of the intraretinal layer thicknesses were significantly reduced compared with individuals without diabetes. In the absence of diabetic polyneuropathy, individuals with type 2 diabetes had a lower nerve density (nerve branch density: −1·10/mm2 [95% CI −4·22 to 2·02]), nerve fibre density: −5·80/mm2 [–8·06 to −3·54], and nerve fibre length: −4·00 mm/mm2 [–5·93 to −2·07]) in the subbasal nerve plexus of the cornea than individuals without diabetes. Individuals with type 1 diabetes without polyneuropathy also had a lower nerve density (nerve branch density: −7·74/mm2 [95% CI −14·13 to −1·34], nerve fibre density: −2·68/mm2 [–5·56 to 0·20]), and nerve fibre length: −2·58 mm/mm2 [–3·94 to −1·21]). Ocular neurodegenerative changes are more evident when diabetic retinopathy or polyneuropathy is present. OCT and CCM are potentially useful, in addition to conventional clinical methods, to assess diabetic neurodegenerative changes. Additional research is needed to determine their incremental benefit and to standardise procedures before the application of OCT and CCM in daily practice.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>26184671</pmid><doi>10.1016/S2213-8587(15)00136-9</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Adult Cornea - pathology Corneal Diseases - complications Corneal Diseases - pathology Diabetes Mellitus, Type 1 - complications Diabetes Mellitus, Type 2 - complications Diabetic Retinopathy - complications Diabetic Retinopathy - pathology Endocrinology & Metabolism Eye Diseases - complications Eye Diseases - pathology Female Humans Male Microscopy, Confocal - methods Middle Aged Neurodegenerative Diseases - complications Neurodegenerative Diseases - pathology Optic Nerve Diseases - complications Optic Nerve Diseases - pathology Other Retina - pathology Tomography, Optical Coherence - methods |
title | New ophthalmologic imaging techniques for detection and monitoring of neurodegenerative changes in diabetes: a systematic review |
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