Topographic correlation between macular superficial microvessel density and ganglion cell-inner plexiform layer thickness in glaucoma-suspect and early normal-tension glaucoma

Jin Soo Kim, Young Kook Kim, Sung Uk Baek, Ahnul Ha, Yong Woo Kim, Jin Wook Jeoung, Ki Ho Park

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Abstract

Background/Aims: To investigate the topographic relationship between macular superficial microvessel density (SMD) and macular ganglion cell-inner plexiform layer (GCIPL) thickness in eyes with glaucoma-suspect (GS) and early normal-tension glaucoma (NTG). Methods: A total of 86 eyes of 86 patients with early NTG (standard automated perimetry mean deviation >-5.5 decibels) and a total of 25 eyes of 25 patients with GS were retrospectively reviewed. All of the subjects underwent optical coherence tomography (OCT) and OCT angiography (OCTA) scan. On the OCTA scan images, macular SMD was analysed by customised software. Results: In GS and patients with early NTG, macular GCIPL thickness showed significant correlations with macular SMD in the superotemporal (ST), inferotemporal (IT) and inferoinferior (II) sectors (r =0.191, 0.373 and 0.346 for ST, IT and II sector, respectively). Additionally, circumpapillary retinal nerve fibre layer (RNFL) thickness and macular SMD showed significant correlations between the ST sector of the macula and the 1, 9 clock-hour peripapillary regions and between the IT and II sectors of the macula and the 6, 7, 8 clock-hour peripapillary regions. The IT sector macular SMD showed fair diagnostic power (area under the receiver operating characteristic curve [AUROC] = 0.758) and showed high diagnostic power when combined with IT sector macular GCIPL thickness (AUROC=0.954). Conclusions: Sectoral macular SMD showed topographic correlations with macular GCIPL thickness and circumpapillary RNFL thickness in patients with GS and early-stage NTG. Macular SMD analysis is potentially useful in the clinical evaluation of early glaucoma.

Original languageEnglish
Pages (from-to)104-109
Number of pages6
JournalBritish Journal of Ophthalmology
Volume104
Issue number1
DOIs
StatePublished - 1 Jan 2020

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Low Tension Glaucoma
Ocular Hypertension
Microvessels
Ganglia
Cell Count
Optical Coherence Tomography
Nerve Fibers
ROC Curve
Angiography
Visual Field Tests
Glaucoma
Software

Keywords

  • glaucoma
  • imaging

Cite this

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title = "Topographic correlation between macular superficial microvessel density and ganglion cell-inner plexiform layer thickness in glaucoma-suspect and early normal-tension glaucoma",
abstract = "Background/Aims: To investigate the topographic relationship between macular superficial microvessel density (SMD) and macular ganglion cell-inner plexiform layer (GCIPL) thickness in eyes with glaucoma-suspect (GS) and early normal-tension glaucoma (NTG). Methods: A total of 86 eyes of 86 patients with early NTG (standard automated perimetry mean deviation >-5.5 decibels) and a total of 25 eyes of 25 patients with GS were retrospectively reviewed. All of the subjects underwent optical coherence tomography (OCT) and OCT angiography (OCTA) scan. On the OCTA scan images, macular SMD was analysed by customised software. Results: In GS and patients with early NTG, macular GCIPL thickness showed significant correlations with macular SMD in the superotemporal (ST), inferotemporal (IT) and inferoinferior (II) sectors (r =0.191, 0.373 and 0.346 for ST, IT and II sector, respectively). Additionally, circumpapillary retinal nerve fibre layer (RNFL) thickness and macular SMD showed significant correlations between the ST sector of the macula and the 1, 9 clock-hour peripapillary regions and between the IT and II sectors of the macula and the 6, 7, 8 clock-hour peripapillary regions. The IT sector macular SMD showed fair diagnostic power (area under the receiver operating characteristic curve [AUROC] = 0.758) and showed high diagnostic power when combined with IT sector macular GCIPL thickness (AUROC=0.954). Conclusions: Sectoral macular SMD showed topographic correlations with macular GCIPL thickness and circumpapillary RNFL thickness in patients with GS and early-stage NTG. Macular SMD analysis is potentially useful in the clinical evaluation of early glaucoma.",
keywords = "glaucoma, imaging",
author = "Kim, {Jin Soo} and Kim, {Young Kook} and Baek, {Sung Uk} and Ahnul Ha and Kim, {Yong Woo} and Jeoung, {Jin Wook} and Park, {Ki Ho}",
year = "2020",
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TY - JOUR

T1 - Topographic correlation between macular superficial microvessel density and ganglion cell-inner plexiform layer thickness in glaucoma-suspect and early normal-tension glaucoma

AU - Kim, Jin Soo

AU - Kim, Young Kook

AU - Baek, Sung Uk

AU - Ha, Ahnul

AU - Kim, Yong Woo

AU - Jeoung, Jin Wook

AU - Park, Ki Ho

PY - 2020/1/1

Y1 - 2020/1/1

N2 - Background/Aims: To investigate the topographic relationship between macular superficial microvessel density (SMD) and macular ganglion cell-inner plexiform layer (GCIPL) thickness in eyes with glaucoma-suspect (GS) and early normal-tension glaucoma (NTG). Methods: A total of 86 eyes of 86 patients with early NTG (standard automated perimetry mean deviation >-5.5 decibels) and a total of 25 eyes of 25 patients with GS were retrospectively reviewed. All of the subjects underwent optical coherence tomography (OCT) and OCT angiography (OCTA) scan. On the OCTA scan images, macular SMD was analysed by customised software. Results: In GS and patients with early NTG, macular GCIPL thickness showed significant correlations with macular SMD in the superotemporal (ST), inferotemporal (IT) and inferoinferior (II) sectors (r =0.191, 0.373 and 0.346 for ST, IT and II sector, respectively). Additionally, circumpapillary retinal nerve fibre layer (RNFL) thickness and macular SMD showed significant correlations between the ST sector of the macula and the 1, 9 clock-hour peripapillary regions and between the IT and II sectors of the macula and the 6, 7, 8 clock-hour peripapillary regions. The IT sector macular SMD showed fair diagnostic power (area under the receiver operating characteristic curve [AUROC] = 0.758) and showed high diagnostic power when combined with IT sector macular GCIPL thickness (AUROC=0.954). Conclusions: Sectoral macular SMD showed topographic correlations with macular GCIPL thickness and circumpapillary RNFL thickness in patients with GS and early-stage NTG. Macular SMD analysis is potentially useful in the clinical evaluation of early glaucoma.

AB - Background/Aims: To investigate the topographic relationship between macular superficial microvessel density (SMD) and macular ganglion cell-inner plexiform layer (GCIPL) thickness in eyes with glaucoma-suspect (GS) and early normal-tension glaucoma (NTG). Methods: A total of 86 eyes of 86 patients with early NTG (standard automated perimetry mean deviation >-5.5 decibels) and a total of 25 eyes of 25 patients with GS were retrospectively reviewed. All of the subjects underwent optical coherence tomography (OCT) and OCT angiography (OCTA) scan. On the OCTA scan images, macular SMD was analysed by customised software. Results: In GS and patients with early NTG, macular GCIPL thickness showed significant correlations with macular SMD in the superotemporal (ST), inferotemporal (IT) and inferoinferior (II) sectors (r =0.191, 0.373 and 0.346 for ST, IT and II sector, respectively). Additionally, circumpapillary retinal nerve fibre layer (RNFL) thickness and macular SMD showed significant correlations between the ST sector of the macula and the 1, 9 clock-hour peripapillary regions and between the IT and II sectors of the macula and the 6, 7, 8 clock-hour peripapillary regions. The IT sector macular SMD showed fair diagnostic power (area under the receiver operating characteristic curve [AUROC] = 0.758) and showed high diagnostic power when combined with IT sector macular GCIPL thickness (AUROC=0.954). Conclusions: Sectoral macular SMD showed topographic correlations with macular GCIPL thickness and circumpapillary RNFL thickness in patients with GS and early-stage NTG. Macular SMD analysis is potentially useful in the clinical evaluation of early glaucoma.

KW - glaucoma

KW - imaging

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U2 - 10.1136/bjophthalmol-2018-313732

DO - 10.1136/bjophthalmol-2018-313732

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JO - British Journal of Ophthalmology

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