PMID- 33742532 OWN - NLM STAT- MEDLINE DCOM- 20220128 LR - 20220128 IS - 1755-3768 (Electronic) IS - 1755-375X (Linking) VI - 100 IP - 1 DP - 2022 Feb TI - Parapapillary deep-layer microvasculature dropout is only found near the retinal nerve fibre layer defect location in open-angle glaucoma. PG - e174-e180 LID - 10.1111/aos.14856 [doi] AB - PURPOSE: We aimed to investigate the topographic correspondence between deep-layer microvasculature dropout (MvD) and retinal nerve fibre layer (RNFL) defects in eyes with open-angle glaucoma (OAG) using spectral-domain optical coherence tomography (SD-OCT) and optical coherence tomography angiography (OCT-A). METHODS: Microvasculature dropout width and location were determined using OCT-A, RNFL thickness, RNFL defect width and location were revealed using SD-OCT. The association between MvD and RNFL widths and that between the location of the MvD and RNFL defects were investigated. In addition, patients with OAG were divided into two groups: the RNFL defect in one hemiretina (RNFLD-HR) group (n = 24 eyes) and the RNFL defects in both hemiretinas (RNFLD-BR) group (n = 25 eyes). The presence, width and location of MvDs were compared between the two groups. RESULTS: Forty-nine eyes were included. In 24 RNFLD-HR eyes, all MvDs were found in the inferior area, corresponding with the location of the RNFL defect. Meanwhile, in 25 RNFLD-BR eyes, 18 MvDs (72%) were found in the inferior hemiretina, two (8%) were found in the superior hemiretina, and five (20%) were found in both hemiretinas. In RNFLD-BR eyes, the average RNFL thickness was thinner in a location with MvD than a location without MvD. CONCLUSION: Considering that MvD is only observed at the location of the RNFL defect in RNFLD-HR eyes and is usually found in the location of more severe RNFL defects in RNFLD-BR eyes, MvD seems to be a sign that accompanies glaucomatous damage in OAG eyes. CI - (c) 2021 Acta Ophthalmologica Scandinavica Foundation. Published by John Wiley & Sons Ltd. FAU - Son, Ki Young AU - Son KY AD - Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. FAU - Han, Jong Chul AU - Han JC AUID- ORCID: 0000-0001-9242-1168 AD - Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. FAU - Kee, Changwon AU - Kee C AUID- ORCID: 0000-0002-7419-0316 AD - Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. LA - eng GR - 2017R1D1A1B03034834/National Research Foundation of Korea/ PT - Journal Article DEP - 20210319 PL - England TA - Acta Ophthalmol JT - Acta ophthalmologica JID - 101468102 SB - IM MH - Adult MH - Aged MH - Cross-Sectional Studies MH - Female MH - Fluorescein Angiography/*methods MH - Follow-Up Studies MH - Fundus Oculi MH - Glaucoma, Open-Angle/*diagnosis/physiopathology MH - Humans MH - Male MH - Microvessels/*diagnostic imaging MH - Middle Aged MH - Nerve Fibers/pathology MH - Optic Disk/*blood supply/diagnostic imaging MH - Retinal Ganglion Cells/*pathology MH - Retinal Vessels/*diagnostic imaging MH - Retrospective Studies MH - Tomography, Optical Coherence/*methods MH - Young Adult OTO - NOTNLM OT - microvasculature dropout OT - open-angle glaucoma OT - retinal nerve fibre layer defect EDAT- 2021/03/21 06:00 MHDA- 2022/01/29 06:00 CRDT- 2021/03/20 06:58 PHST- 2020/06/20 00:00 [received] PHST- 2021/03/02 00:00 [accepted] PHST- 2021/03/21 06:00 [pubmed] PHST- 2022/01/29 06:00 [medline] PHST- 2021/03/20 06:58 [entrez] AID - 10.1111/aos.14856 [doi] PST - ppublish SO - Acta Ophthalmol. 2022 Feb;100(1):e174-e180. doi: 10.1111/aos.14856. Epub 2021 Mar 19.