The association of ocular blood flow with haemorheological parameters in primary open‐angle and exfoliative glaucoma
. Purpose: To evaluate the ocular blood flow velocities and haemorheological parameters in patients with primary open‐angle glaucoma (POAG), exfoliative glaucoma (XFG) and exfoliation syndrome (XFS) and to compare their results with those of healthy controls. Methods: Twenty‐five patients with POA...
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description | .
Purpose: To evaluate the ocular blood flow velocities and haemorheological parameters in patients with primary open‐angle glaucoma (POAG), exfoliative glaucoma (XFG) and exfoliation syndrome (XFS) and to compare their results with those of healthy controls.
Methods: Twenty‐five patients with POAG (group 1), 25 patients with XFG (group 2), 25 patients with XFS (group 3) and 25 healthy controls (group 4) were included in the study. Ocular blood flow velocities of ophthalmic artery (OA), central retinal artery (CRA) and short posterior ciliary arteries (SPCAs) were measured using colour Doppler imaging (CDI). Haemorheological parameters (erythrocyte elongation and aggregation index, aggregation amplitude, aggregation half‐life, plasma viscosity, haematocrit) were measured in venous blood samples of all patients.
Results: The peak systolic velocity (PSV) and end‐diastolic velocity (EDV) values were lower and resistive indices (RI) were higher for the OA, CRA and SPCA of glaucomatous (groups 1 and 2) patients compared with those of controls (group 4) (PSV: OA, 40.4 ± 11.3 versus 52.6 ± 12.8 cm/second, p |
doi_str_mv | 10.1111/j.1755-3768.2009.01713.x |
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Purpose: To evaluate the ocular blood flow velocities and haemorheological parameters in patients with primary open‐angle glaucoma (POAG), exfoliative glaucoma (XFG) and exfoliation syndrome (XFS) and to compare their results with those of healthy controls.
Methods: Twenty‐five patients with POAG (group 1), 25 patients with XFG (group 2), 25 patients with XFS (group 3) and 25 healthy controls (group 4) were included in the study. Ocular blood flow velocities of ophthalmic artery (OA), central retinal artery (CRA) and short posterior ciliary arteries (SPCAs) were measured using colour Doppler imaging (CDI). Haemorheological parameters (erythrocyte elongation and aggregation index, aggregation amplitude, aggregation half‐life, plasma viscosity, haematocrit) were measured in venous blood samples of all patients.
Results: The peak systolic velocity (PSV) and end‐diastolic velocity (EDV) values were lower and resistive indices (RI) were higher for the OA, CRA and SPCA of glaucomatous (groups 1 and 2) patients compared with those of controls (group 4) (PSV: OA, 40.4 ± 11.3 versus 52.6 ± 12.8 cm/second, p < 0.001; CRA, 12.9 ± 2.9 versus 15.3 ± 4.2 cm/second, p = 0.02; SPCA, 21.7 ± 6.6 versus 26.6 ± 8.3 cm/second, p = 0.013) (EDV: OA, 10.3 ± 4.3 versus 14.2 ± 5.1 cm/second, p < 0.001; CRA, 3.7 ± 1.1 versus 4.5 ± 1.3 cm/second, p = 0.025; SPCA, 5.2 ± 1.8 versus 7.7 ± 3.2 cm/second, p = 0.001) (RI: OA, 0.75 ± 0.05 versus 0.66 ± 0.07, p < 0.001; CRA, 0.73 ± 0.08 versus 0.68 ± 0.10, p = 0.223; SPCA, 0.70 ± 0.10 versus 0.63 ± 0.11, p = 0.004). There were no statistically significant differences between the haemorheological parameters of glaucomatous and non‐glaucomatous patients. The reduction in ocular blood flow velocities in groups 1, 2 and 3 were not associated with changes in haemorheological parameters.
Conclusion: Our results suggest that impairment of the retrobulbar blood flow in POAG and XFG is not associated with alterations in haemorheological parameters.</description><identifier>ISSN: 1755-375X</identifier><identifier>EISSN: 1755-3768</identifier><identifier>DOI: 10.1111/j.1755-3768.2009.01713.x</identifier><identifier>PMID: 19878104</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Aged ; Blood Flow Velocity - physiology ; Blood Viscosity - physiology ; Ciliary Arteries - diagnostic imaging ; Ciliary Arteries - physiology ; erythrocyte deformability ; Erythrocyte Deformability - physiology ; exfoliation glaucoma ; Exfoliation Syndrome - blood ; Exfoliation Syndrome - diagnostic imaging ; Exfoliation Syndrome - physiopathology ; Eye - blood supply ; Female ; Glaucoma, Open-Angle - blood ; Glaucoma, Open-Angle - diagnostic imaging ; Glaucoma, Open-Angle - physiopathology ; haemorheology ; Hematocrit ; Humans ; Hypertension - blood ; Hypertension - physiopathology ; Laser-Doppler Flowmetry ; Male ; Middle Aged ; ocular blood flow ; plasma viscosity ; Regional Blood Flow - physiology ; Retinal Artery - diagnostic imaging ; Retinal Artery - physiology ; Ultrasonography</subject><ispartof>Acta ophthalmologica (Oxford, England), 2011-08, Vol.89 (5), p.429-434</ispartof><rights>2009 The Authors. Journal compilation © 2009 Acta Ophthalmol</rights><rights>2009 The Authors. Journal compilation © 2009 Acta Ophthalmol.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3683-bc7a25728729be073aa445e8ff53247ae2902786ed38275ea4b91713df8c87db3</citedby><cites>FETCH-LOGICAL-c3683-bc7a25728729be073aa445e8ff53247ae2902786ed38275ea4b91713df8c87db3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1755-3768.2009.01713.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1755-3768.2009.01713.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,1433,27924,27925,45574,45575,46409,46833</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19878104$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Sekeroglu, Mehmet Ali</creatorcontrib><creatorcontrib>Irkec, Murat</creatorcontrib><creatorcontrib>Mocan, Mehmet Cem</creatorcontrib><creatorcontrib>Ileri, Esin</creatorcontrib><creatorcontrib>Dikmenoglu, Neslihan</creatorcontrib><creatorcontrib>Seringec, Nurten</creatorcontrib><creatorcontrib>Karaosmanoglu, Devrim</creatorcontrib><creatorcontrib>Orhan, Mehmet</creatorcontrib><title>The association of ocular blood flow with haemorheological parameters in primary open‐angle and exfoliative glaucoma</title><title>Acta ophthalmologica (Oxford, England)</title><addtitle>Acta Ophthalmol</addtitle><description>.
Purpose: To evaluate the ocular blood flow velocities and haemorheological parameters in patients with primary open‐angle glaucoma (POAG), exfoliative glaucoma (XFG) and exfoliation syndrome (XFS) and to compare their results with those of healthy controls.
Methods: Twenty‐five patients with POAG (group 1), 25 patients with XFG (group 2), 25 patients with XFS (group 3) and 25 healthy controls (group 4) were included in the study. Ocular blood flow velocities of ophthalmic artery (OA), central retinal artery (CRA) and short posterior ciliary arteries (SPCAs) were measured using colour Doppler imaging (CDI). Haemorheological parameters (erythrocyte elongation and aggregation index, aggregation amplitude, aggregation half‐life, plasma viscosity, haematocrit) were measured in venous blood samples of all patients.
Results: The peak systolic velocity (PSV) and end‐diastolic velocity (EDV) values were lower and resistive indices (RI) were higher for the OA, CRA and SPCA of glaucomatous (groups 1 and 2) patients compared with those of controls (group 4) (PSV: OA, 40.4 ± 11.3 versus 52.6 ± 12.8 cm/second, p < 0.001; CRA, 12.9 ± 2.9 versus 15.3 ± 4.2 cm/second, p = 0.02; SPCA, 21.7 ± 6.6 versus 26.6 ± 8.3 cm/second, p = 0.013) (EDV: OA, 10.3 ± 4.3 versus 14.2 ± 5.1 cm/second, p < 0.001; CRA, 3.7 ± 1.1 versus 4.5 ± 1.3 cm/second, p = 0.025; SPCA, 5.2 ± 1.8 versus 7.7 ± 3.2 cm/second, p = 0.001) (RI: OA, 0.75 ± 0.05 versus 0.66 ± 0.07, p < 0.001; CRA, 0.73 ± 0.08 versus 0.68 ± 0.10, p = 0.223; SPCA, 0.70 ± 0.10 versus 0.63 ± 0.11, p = 0.004). There were no statistically significant differences between the haemorheological parameters of glaucomatous and non‐glaucomatous patients. The reduction in ocular blood flow velocities in groups 1, 2 and 3 were not associated with changes in haemorheological parameters.
Conclusion: Our results suggest that impairment of the retrobulbar blood flow in POAG and XFG is not associated with alterations in haemorheological parameters.</description><subject>Aged</subject><subject>Blood Flow Velocity - physiology</subject><subject>Blood Viscosity - physiology</subject><subject>Ciliary Arteries - diagnostic imaging</subject><subject>Ciliary Arteries - physiology</subject><subject>erythrocyte deformability</subject><subject>Erythrocyte Deformability - physiology</subject><subject>exfoliation glaucoma</subject><subject>Exfoliation Syndrome - blood</subject><subject>Exfoliation Syndrome - diagnostic imaging</subject><subject>Exfoliation Syndrome - physiopathology</subject><subject>Eye - blood supply</subject><subject>Female</subject><subject>Glaucoma, Open-Angle - blood</subject><subject>Glaucoma, Open-Angle - diagnostic imaging</subject><subject>Glaucoma, Open-Angle - physiopathology</subject><subject>haemorheology</subject><subject>Hematocrit</subject><subject>Humans</subject><subject>Hypertension - blood</subject><subject>Hypertension - physiopathology</subject><subject>Laser-Doppler Flowmetry</subject><subject>Male</subject><subject>Middle Aged</subject><subject>ocular blood flow</subject><subject>plasma viscosity</subject><subject>Regional Blood Flow - physiology</subject><subject>Retinal Artery - diagnostic imaging</subject><subject>Retinal Artery - physiology</subject><subject>Ultrasonography</subject><issn>1755-375X</issn><issn>1755-3768</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkE1OwzAQhS0EovxdAXnHqsGOk9hZsKgQfxISC0BiZ02cSZvKiYvd0LLjCJyRk5DQCrbMZkaa995oPkIoZxHv63wecZmmYyEzFcWM5RHjkotovUMOfhe7v3P6MiKHIcwZy3iWJftkxHMlFWfJAXl7miGFEJypYVm7lrqKOtNZ8LSwzpW0sm5FV_VyRmeAjfMzdNZNawOWLsBDg0v0gdYtXfi6Af9O3QLbr49PaKe2T25LiuvK2SH9DenUQmdcA8dkrwIb8GTbj8jz9dXT5e34_uHm7nJyPzYiU2JcGAlxKmMl47xAJgVAkqSoqioVcSIB45zFUmVYChXLFCEp8oFEWSmjZFmII3K2yV1499phWOqmDgathRZdF7SSMuEiS0WvVBul8S4Ej5XePqQ50wN0PdcDTz2w1QN0_QNdr3vr6fZIVzRY_hm3lHvBxUawqi2-_ztYTx4eh0l8A_9Yk3U</recordid><startdate>201108</startdate><enddate>201108</enddate><creator>Sekeroglu, Mehmet Ali</creator><creator>Irkec, Murat</creator><creator>Mocan, Mehmet Cem</creator><creator>Ileri, Esin</creator><creator>Dikmenoglu, Neslihan</creator><creator>Seringec, Nurten</creator><creator>Karaosmanoglu, Devrim</creator><creator>Orhan, Mehmet</creator><general>Blackwell Publishing 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>201108</creationdate><title>The association of ocular blood flow with haemorheological parameters in primary open‐angle and exfoliative glaucoma</title><author>Sekeroglu, Mehmet Ali ; Irkec, Murat ; Mocan, Mehmet Cem ; Ileri, Esin ; Dikmenoglu, Neslihan ; Seringec, Nurten ; Karaosmanoglu, Devrim ; Orhan, Mehmet</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3683-bc7a25728729be073aa445e8ff53247ae2902786ed38275ea4b91713df8c87db3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Aged</topic><topic>Blood Flow Velocity - physiology</topic><topic>Blood Viscosity - physiology</topic><topic>Ciliary Arteries - diagnostic imaging</topic><topic>Ciliary Arteries - physiology</topic><topic>erythrocyte deformability</topic><topic>Erythrocyte Deformability - physiology</topic><topic>exfoliation glaucoma</topic><topic>Exfoliation Syndrome - blood</topic><topic>Exfoliation Syndrome - diagnostic imaging</topic><topic>Exfoliation Syndrome - physiopathology</topic><topic>Eye - blood supply</topic><topic>Female</topic><topic>Glaucoma, Open-Angle - blood</topic><topic>Glaucoma, Open-Angle - diagnostic imaging</topic><topic>Glaucoma, Open-Angle - physiopathology</topic><topic>haemorheology</topic><topic>Hematocrit</topic><topic>Humans</topic><topic>Hypertension - blood</topic><topic>Hypertension - physiopathology</topic><topic>Laser-Doppler Flowmetry</topic><topic>Male</topic><topic>Middle Aged</topic><topic>ocular blood flow</topic><topic>plasma viscosity</topic><topic>Regional Blood Flow - physiology</topic><topic>Retinal Artery - diagnostic imaging</topic><topic>Retinal Artery - physiology</topic><topic>Ultrasonography</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sekeroglu, Mehmet Ali</creatorcontrib><creatorcontrib>Irkec, Murat</creatorcontrib><creatorcontrib>Mocan, Mehmet Cem</creatorcontrib><creatorcontrib>Ileri, Esin</creatorcontrib><creatorcontrib>Dikmenoglu, Neslihan</creatorcontrib><creatorcontrib>Seringec, Nurten</creatorcontrib><creatorcontrib>Karaosmanoglu, Devrim</creatorcontrib><creatorcontrib>Orhan, Mehmet</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>Acta ophthalmologica (Oxford, England)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sekeroglu, Mehmet Ali</au><au>Irkec, Murat</au><au>Mocan, Mehmet Cem</au><au>Ileri, Esin</au><au>Dikmenoglu, Neslihan</au><au>Seringec, Nurten</au><au>Karaosmanoglu, Devrim</au><au>Orhan, Mehmet</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The association of ocular blood flow with haemorheological parameters in primary open‐angle and exfoliative glaucoma</atitle><jtitle>Acta ophthalmologica (Oxford, England)</jtitle><addtitle>Acta Ophthalmol</addtitle><date>2011-08</date><risdate>2011</risdate><volume>89</volume><issue>5</issue><spage>429</spage><epage>434</epage><pages>429-434</pages><issn>1755-375X</issn><eissn>1755-3768</eissn><abstract>.
Purpose: To evaluate the ocular blood flow velocities and haemorheological parameters in patients with primary open‐angle glaucoma (POAG), exfoliative glaucoma (XFG) and exfoliation syndrome (XFS) and to compare their results with those of healthy controls.
Methods: Twenty‐five patients with POAG (group 1), 25 patients with XFG (group 2), 25 patients with XFS (group 3) and 25 healthy controls (group 4) were included in the study. Ocular blood flow velocities of ophthalmic artery (OA), central retinal artery (CRA) and short posterior ciliary arteries (SPCAs) were measured using colour Doppler imaging (CDI). Haemorheological parameters (erythrocyte elongation and aggregation index, aggregation amplitude, aggregation half‐life, plasma viscosity, haematocrit) were measured in venous blood samples of all patients.
Results: The peak systolic velocity (PSV) and end‐diastolic velocity (EDV) values were lower and resistive indices (RI) were higher for the OA, CRA and SPCA of glaucomatous (groups 1 and 2) patients compared with those of controls (group 4) (PSV: OA, 40.4 ± 11.3 versus 52.6 ± 12.8 cm/second, p < 0.001; CRA, 12.9 ± 2.9 versus 15.3 ± 4.2 cm/second, p = 0.02; SPCA, 21.7 ± 6.6 versus 26.6 ± 8.3 cm/second, p = 0.013) (EDV: OA, 10.3 ± 4.3 versus 14.2 ± 5.1 cm/second, p < 0.001; CRA, 3.7 ± 1.1 versus 4.5 ± 1.3 cm/second, p = 0.025; SPCA, 5.2 ± 1.8 versus 7.7 ± 3.2 cm/second, p = 0.001) (RI: OA, 0.75 ± 0.05 versus 0.66 ± 0.07, p < 0.001; CRA, 0.73 ± 0.08 versus 0.68 ± 0.10, p = 0.223; SPCA, 0.70 ± 0.10 versus 0.63 ± 0.11, p = 0.004). There were no statistically significant differences between the haemorheological parameters of glaucomatous and non‐glaucomatous patients. The reduction in ocular blood flow velocities in groups 1, 2 and 3 were not associated with changes in haemorheological parameters.
Conclusion: Our results suggest that impairment of the retrobulbar blood flow in POAG and XFG is not associated with alterations in haemorheological parameters.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>19878104</pmid><doi>10.1111/j.1755-3768.2009.01713.x</doi><tpages>6</tpages></addata></record> |
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subjects | Aged Blood Flow Velocity - physiology Blood Viscosity - physiology Ciliary Arteries - diagnostic imaging Ciliary Arteries - physiology erythrocyte deformability Erythrocyte Deformability - physiology exfoliation glaucoma Exfoliation Syndrome - blood Exfoliation Syndrome - diagnostic imaging Exfoliation Syndrome - physiopathology Eye - blood supply Female Glaucoma, Open-Angle - blood Glaucoma, Open-Angle - diagnostic imaging Glaucoma, Open-Angle - physiopathology haemorheology Hematocrit Humans Hypertension - blood Hypertension - physiopathology Laser-Doppler Flowmetry Male Middle Aged ocular blood flow plasma viscosity Regional Blood Flow - physiology Retinal Artery - diagnostic imaging Retinal Artery - physiology Ultrasonography |
title | The association of ocular blood flow with haemorheological parameters in primary open‐angle and exfoliative glaucoma |
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