Impact of internal carotid endarterectomy on visual fields: a non-randomised prospective cohort study in Austria
PurposeThe goal of this study was to determine whether internal carotid endarterectomy is associated with visual field changes.MethodsBetween March 2007 and December 2010, a cohort study involved 29 patients with stenosis of the carotid artery. All patients underwent ophthalmoscopy and kinetic visua...
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| description | PurposeThe goal of this study was to determine whether internal carotid endarterectomy is associated with visual field changes.MethodsBetween March 2007 and December 2010, a cohort study involved 29 patients with stenosis of the carotid artery. All patients underwent ophthalmoscopy and kinetic visual field examination (Goldmann perimetry) preoperatively and postoperatively. Furthermore, a detailed area calculation was performed. On both the operated and the contralateral side, the areas surrounded by the different isopters (isopter areas) were determined and preoperative and postoperative values compared. The three isopters were classified from the centre to the periphery (I, II and III). Isopter area values are given as ratio compared with total perimetric circle. p Values |
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| fullrecord | <record><control><sourceid>proquest_pubme</sourceid><recordid>TN_cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_5652495</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>1952526515</sourcerecordid><originalsourceid>FETCH-LOGICAL-b422t-fe1e3ccb908e4d150e33609513ff01757483384d3e40a97dbee6f43d4814c66b3</originalsourceid><addsrcrecordid>eNqNkV9LHDEUxUOxVFn9BIUS6IsvY_N3ZscHQURbQfClfQ6Z5E7NMpOMSWZhv71ZZhXrUwMhIfndwz33IPSVkgtKef2jGzdhAl8xQpuqbMKaT-iEESGqmkh59O5-jM5S2pCyhGylZF_QMWuJYHwtTtB0P07aZBx67HyG6PWAjY4hO4vBWx3LG5gcxh0OHm9dmgvQOxhsusQa--CrqL0No0tg8RRDmgrutoBNeAox45Rnuyva-HpOOTp9ij73ekhwdjhX6M_d7e-bX9XD48_7m-uHqhOM5aoHCtyYriVrEJZKApzXpJWU932xKxux5sWA5SCIbhvbAdS94FasqTB13fEVulp0p7kbwRrwOepBTdGNOu5U0E79--Pdk_obtkrWkolWFoHzg0AMzzOkrIpHA8OgPYQ5KdpKJlkt6R79_gHdhHk_yoXiDW1LuyvEF8qUKaUI_VszlKh9qOoQqtqHqpZQS9W39z7eal4jLMDFApTq_1J8AZ0Rr7U</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>1952371948</pqid></control><display><type>article</type><title>Impact of internal carotid endarterectomy on visual fields: a non-randomised prospective cohort study in Austria</title><source>BMJ Open Access Journals</source><source>MEDLINE</source><source>DOAJ Directory of Open Access Journals</source><source>PubMed Central Open Access</source><source>EZB-FREE-00999 freely available EZB journals</source><source>PubMed Central</source><creator>Konstantiniuk, Peter ; Steinbrugger, Iris ; Koter, Stephan ; Muehlsteiner, Johanna ; Wedrich, Andreas ; Cohnert, Tina</creator><creatorcontrib>Konstantiniuk, Peter ; Steinbrugger, Iris ; Koter, Stephan ; Muehlsteiner, Johanna ; Wedrich, Andreas ; Cohnert, Tina</creatorcontrib><description>PurposeThe goal of this study was to determine whether internal carotid endarterectomy is associated with visual field changes.MethodsBetween March 2007 and December 2010, a cohort study involved 29 patients with stenosis of the carotid artery. All patients underwent ophthalmoscopy and kinetic visual field examination (Goldmann perimetry) preoperatively and postoperatively. Furthermore, a detailed area calculation was performed. On both the operated and the contralateral side, the areas surrounded by the different isopters (isopter areas) were determined and preoperative and postoperative values compared. The three isopters were classified from the centre to the periphery (I, II and III). Isopter area values are given as ratio compared with total perimetric circle. p Values <0.05 were considered to be statistically significant.Results1) The ophthalmologists assessmentEight of eleven patients with precarotid endarterectomy impairments experienced focal or concentric improvement. Six cases with preoperative concentric narrowing of the isopters returned to normal or improved substantially. Three out of 18 patients with normal preoperative visual field presented with deteriorations after surgery, two cases with ipsilateral and one with contralateral focal impairment. In 15 cases, there was no preoperative or postoperative abnormality.2) Area calculation (preoperative area, postoperative area, P)Ipsilateral: isopter area I (0.015, 0.018, 0.131), isopter area II (0.107, 0.120, 0.087), isopter area III (0.392, 0.425, 0.015)Contralateral: isopter area I (0.017, 0.021, 0.222), isopter area II (0.119, 0.125, 0.333), isopter area III (0.416, 0.434, 0.171)ConclusionsWe found a statistically significant extension of the ipsilateral peripheral isopter area (III). Further studies will focus on the question which subgroup is most likely to profit from internal carotid endarterectomy with respect to visual field changes.</description><identifier>ISSN: 2044-6055</identifier><identifier>EISSN: 2044-6055</identifier><identifier>DOI: 10.1136/bmjopen-2017-017027</identifier><identifier>PMID: 29042384</identifier><language>eng</language><publisher>England: BMJ Publishing Group LTD</publisher><subject>Aged ; Aged, 80 and over ; Austria ; Cardiovascular disease ; Carotid arteries ; Carotid Stenosis - surgery ; Cohort analysis ; Endarterectomy, Carotid ; Eye - blood supply ; Female ; Humans ; Male ; Middle Aged ; Ophthalmoscopy ; Patients ; Pilot Projects ; Prospective Studies ; Regression Analysis ; Stroke ; Surgery ; Visual Field Tests ; Visual Fields</subject><ispartof>BMJ open, 2017-10, Vol.7 (10), p.e017027-e017027</ispartof><rights>Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.</rights><rights>2017 Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted. This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/ Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted. 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-b422t-fe1e3ccb908e4d150e33609513ff01757483384d3e40a97dbee6f43d4814c66b3</cites><orcidid>0000-0002-4894-6810</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttp://bmjopen.bmj.com/content/7/10/e017027.full.pdf$$EPDF$$P50$$Gbmj$$Hfree_for_read</linktopdf><linktohtml>$$Uhttp://bmjopen.bmj.com/content/7/10/e017027.full$$EHTML$$P50$$Gbmj$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,27548,27549,27923,27924,53790,53792,77372,77403</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29042384$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Konstantiniuk, Peter</creatorcontrib><creatorcontrib>Steinbrugger, Iris</creatorcontrib><creatorcontrib>Koter, Stephan</creatorcontrib><creatorcontrib>Muehlsteiner, Johanna</creatorcontrib><creatorcontrib>Wedrich, Andreas</creatorcontrib><creatorcontrib>Cohnert, Tina</creatorcontrib><title>Impact of internal carotid endarterectomy on visual fields: a non-randomised prospective cohort study in Austria</title><title>BMJ open</title><addtitle>BMJ Open</addtitle><description>PurposeThe goal of this study was to determine whether internal carotid endarterectomy is associated with visual field changes.MethodsBetween March 2007 and December 2010, a cohort study involved 29 patients with stenosis of the carotid artery. All patients underwent ophthalmoscopy and kinetic visual field examination (Goldmann perimetry) preoperatively and postoperatively. Furthermore, a detailed area calculation was performed. On both the operated and the contralateral side, the areas surrounded by the different isopters (isopter areas) were determined and preoperative and postoperative values compared. The three isopters were classified from the centre to the periphery (I, II and III). Isopter area values are given as ratio compared with total perimetric circle. p Values <0.05 were considered to be statistically significant.Results1) The ophthalmologists assessmentEight of eleven patients with precarotid endarterectomy impairments experienced focal or concentric improvement. Six cases with preoperative concentric narrowing of the isopters returned to normal or improved substantially. Three out of 18 patients with normal preoperative visual field presented with deteriorations after surgery, two cases with ipsilateral and one with contralateral focal impairment. In 15 cases, there was no preoperative or postoperative abnormality.2) Area calculation (preoperative area, postoperative area, P)Ipsilateral: isopter area I (0.015, 0.018, 0.131), isopter area II (0.107, 0.120, 0.087), isopter area III (0.392, 0.425, 0.015)Contralateral: isopter area I (0.017, 0.021, 0.222), isopter area II (0.119, 0.125, 0.333), isopter area III (0.416, 0.434, 0.171)ConclusionsWe found a statistically significant extension of the ipsilateral peripheral isopter area (III). Further studies will focus on the question which subgroup is most likely to profit from internal carotid endarterectomy with respect to visual field changes.</description><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Austria</subject><subject>Cardiovascular disease</subject><subject>Carotid arteries</subject><subject>Carotid Stenosis - surgery</subject><subject>Cohort analysis</subject><subject>Endarterectomy, Carotid</subject><subject>Eye - blood supply</subject><subject>Female</subject><subject>Humans</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Ophthalmoscopy</subject><subject>Patients</subject><subject>Pilot Projects</subject><subject>Prospective Studies</subject><subject>Regression Analysis</subject><subject>Stroke</subject><subject>Surgery</subject><subject>Visual Field Tests</subject><subject>Visual Fields</subject><issn>2044-6055</issn><issn>2044-6055</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>9YT</sourceid><sourceid>ACMMV</sourceid><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqNkV9LHDEUxUOxVFn9BIUS6IsvY_N3ZscHQURbQfClfQ6Z5E7NMpOMSWZhv71ZZhXrUwMhIfndwz33IPSVkgtKef2jGzdhAl8xQpuqbMKaT-iEESGqmkh59O5-jM5S2pCyhGylZF_QMWuJYHwtTtB0P07aZBx67HyG6PWAjY4hO4vBWx3LG5gcxh0OHm9dmgvQOxhsusQa--CrqL0No0tg8RRDmgrutoBNeAox45Rnuyva-HpOOTp9ij73ekhwdjhX6M_d7e-bX9XD48_7m-uHqhOM5aoHCtyYriVrEJZKApzXpJWU932xKxux5sWA5SCIbhvbAdS94FasqTB13fEVulp0p7kbwRrwOepBTdGNOu5U0E79--Pdk_obtkrWkolWFoHzg0AMzzOkrIpHA8OgPYQ5KdpKJlkt6R79_gHdhHk_yoXiDW1LuyvEF8qUKaUI_VszlKh9qOoQqtqHqpZQS9W39z7eal4jLMDFApTq_1J8AZ0Rr7U</recordid><startdate>20171016</startdate><enddate>20171016</enddate><creator>Konstantiniuk, Peter</creator><creator>Steinbrugger, Iris</creator><creator>Koter, Stephan</creator><creator>Muehlsteiner, Johanna</creator><creator>Wedrich, Andreas</creator><creator>Cohnert, Tina</creator><general>BMJ Publishing Group LTD</general><general>BMJ Publishing Group</general><scope>9YT</scope><scope>ACMMV</scope><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>3V.</scope><scope>7RV</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>88G</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BTHHO</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>K9-</scope><scope>K9.</scope><scope>KB0</scope><scope>M0R</scope><scope>M0S</scope><scope>M1P</scope><scope>M2M</scope><scope>NAPCQ</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PSYQQ</scope><scope>Q9U</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-4894-6810</orcidid></search><sort><creationdate>20171016</creationdate><title>Impact of internal carotid endarterectomy on visual fields: a non-randomised prospective cohort study in Austria</title><author>Konstantiniuk, Peter ; Steinbrugger, Iris ; Koter, Stephan ; Muehlsteiner, Johanna ; Wedrich, Andreas ; Cohnert, Tina</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-b422t-fe1e3ccb908e4d150e33609513ff01757483384d3e40a97dbee6f43d4814c66b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Austria</topic><topic>Cardiovascular disease</topic><topic>Carotid arteries</topic><topic>Carotid Stenosis - surgery</topic><topic>Cohort analysis</topic><topic>Endarterectomy, Carotid</topic><topic>Eye - blood supply</topic><topic>Female</topic><topic>Humans</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Ophthalmoscopy</topic><topic>Patients</topic><topic>Pilot Projects</topic><topic>Prospective Studies</topic><topic>Regression Analysis</topic><topic>Stroke</topic><topic>Surgery</topic><topic>Visual Field Tests</topic><topic>Visual Fields</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Konstantiniuk, Peter</creatorcontrib><creatorcontrib>Steinbrugger, Iris</creatorcontrib><creatorcontrib>Koter, Stephan</creatorcontrib><creatorcontrib>Muehlsteiner, Johanna</creatorcontrib><creatorcontrib>Wedrich, Andreas</creatorcontrib><creatorcontrib>Cohnert, Tina</creatorcontrib><collection>BMJ Open Access Journals</collection><collection>BMJ Journals:Open Access</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Nursing & Allied Health Database</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Psychology Database (Alumni)</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>BMJ Journals</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>Consumer Health Database (Alumni Edition)</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>Consumer Health Database</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Psychology Database</collection><collection>Nursing & Allied Health Premium</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest One Psychology</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>BMJ open</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Konstantiniuk, Peter</au><au>Steinbrugger, Iris</au><au>Koter, Stephan</au><au>Muehlsteiner, Johanna</au><au>Wedrich, Andreas</au><au>Cohnert, Tina</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Impact of internal carotid endarterectomy on visual fields: a non-randomised prospective cohort study in Austria</atitle><jtitle>BMJ open</jtitle><addtitle>BMJ Open</addtitle><date>2017-10-16</date><risdate>2017</risdate><volume>7</volume><issue>10</issue><spage>e017027</spage><epage>e017027</epage><pages>e017027-e017027</pages><issn>2044-6055</issn><eissn>2044-6055</eissn><abstract>PurposeThe goal of this study was to determine whether internal carotid endarterectomy is associated with visual field changes.MethodsBetween March 2007 and December 2010, a cohort study involved 29 patients with stenosis of the carotid artery. All patients underwent ophthalmoscopy and kinetic visual field examination (Goldmann perimetry) preoperatively and postoperatively. Furthermore, a detailed area calculation was performed. On both the operated and the contralateral side, the areas surrounded by the different isopters (isopter areas) were determined and preoperative and postoperative values compared. The three isopters were classified from the centre to the periphery (I, II and III). Isopter area values are given as ratio compared with total perimetric circle. p Values <0.05 were considered to be statistically significant.Results1) The ophthalmologists assessmentEight of eleven patients with precarotid endarterectomy impairments experienced focal or concentric improvement. Six cases with preoperative concentric narrowing of the isopters returned to normal or improved substantially. Three out of 18 patients with normal preoperative visual field presented with deteriorations after surgery, two cases with ipsilateral and one with contralateral focal impairment. In 15 cases, there was no preoperative or postoperative abnormality.2) Area calculation (preoperative area, postoperative area, P)Ipsilateral: isopter area I (0.015, 0.018, 0.131), isopter area II (0.107, 0.120, 0.087), isopter area III (0.392, 0.425, 0.015)Contralateral: isopter area I (0.017, 0.021, 0.222), isopter area II (0.119, 0.125, 0.333), isopter area III (0.416, 0.434, 0.171)ConclusionsWe found a statistically significant extension of the ipsilateral peripheral isopter area (III). Further studies will focus on the question which subgroup is most likely to profit from internal carotid endarterectomy with respect to visual field changes.</abstract><cop>England</cop><pub>BMJ Publishing Group LTD</pub><pmid>29042384</pmid><doi>10.1136/bmjopen-2017-017027</doi><orcidid>https://orcid.org/0000-0002-4894-6810</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Aged Aged, 80 and over Austria Cardiovascular disease Carotid arteries Carotid Stenosis - surgery Cohort analysis Endarterectomy, Carotid Eye - blood supply Female Humans Male Middle Aged Ophthalmoscopy Patients Pilot Projects Prospective Studies Regression Analysis Stroke Surgery Visual Field Tests Visual Fields |
| title | Impact of internal carotid endarterectomy on visual fields: a non-randomised prospective cohort study in Austria |
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