Ischemic Injury of the Papillomacular Bundle Is a Predictive Marker of Poor Vision in Eyes With Branch Retinal Artery Occlusion

Cho, Kwan Hyuk; Ahn, Seong Joon; Jung, Cheolkyu; Han, Mun Koo; Park, Kyu Hyung; Woo, Se Joon

doi:10.1016/j.ajo.2015.11.006

Cited by 20 publications

(12 citation statements)

References 25 publications

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“…R etinal artery occlusion (RAO) is a relatively common, visually disabling ocular vascular occlusive disorder, and branch retinal artery occlusion (BRAO) is estimated to account for approximately 38% of all acute RAO cases. [1][2][3][4] Emboli or in situ blood clots on lipid plaques are considered typical causes of vascular occlusive disease, and similar mechanisms apply to RAO; thus, a large vessel disease (LVD) etiology and embolism from carotid artery plaques may be the most common pathology of RAO. 5,6 Although its layered anatomy and metabolic activity is different from that in the brain, the retina differentiates from the diencephalon during embryonic development; previously, some studies reported that it shares a few physiological characteristics with the brain.…”

mentioning

confidence: 99%

Cerebral Small Vessel Disease in Branch Retinal Artery Occlusion

Cho

Kim

Woo

et al. 2016

Invest. Ophthalmol. Vis. Sci.

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confidence: 99%

Cerebral Small Vessel Disease in Branch Retinal Artery Occlusion

Cho

Kim

Woo

et al. 2016

Invest. Ophthalmol. Vis. Sci.

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“…In macula involving BRAO, visual outcomes depend on multiple factors such as presenting visual acuity, presence of a perfused cilioretinal artery, and SD-OCT features such as loss of layer by layer integrity, inner retinal thickening, and inner retinal hyper reflectivity. [ 2 4 ]…”

Section: Discussionmentioning

confidence: 99%

Branch retinal artery occlusion post-penetrating globe injury with intraocular foreign body

Nagpal¹,

Chaudhary²,

Jain³

2018

Indian J Ophthalmol

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Intraocular foreign body (IOFB) in cases of penetrating eye injury accounts for an important indication of vitreoretinal intervention following ocular trauma. Vascular occlusion as a complication of IOFB is rare. Here we present a case of a 34-year-old male with post-traumatic cataract and an intraocular metallic foreign body (IOFB) lodged in the superficial layers of the retina inferotemporal to the disc, causing an inferotemporal branch retinal artery occlusion. The case was managed by lensectomy with pars plana vitrectomy and IOFB removal followed by a second procedure of secondary IOL implantation. Final best-corrected visual acuity improved to 6/24. This case highlights an unusual sequelae following penetrating ocular trauma.

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“…The study of the RGVP is important in multiple research and clinical applications. The RGVP can be affected in many diseases, including pituitary tumors (Laws et al, 1977;Rucker & Kernohan, 1954) , glioma (Hales et al, 2018) , optic neuritis (Beck et al, 2003;Brex et al, 2002;Optic Neuritis Study Group, 1997) , ischemic optic neuropathy (Attyé et al, 2018;Cho et al, 2016) , and optic nerve sheath meningioma (Schick et al, 2004;Turbin et al, 2002) . In particular, visualization of the RGVP can be helpful in planning surgical approaches to lesions intrinsic or extrinsic to the pathway.…”

Section: Introductionmentioning

confidence: 99%

Comparison of multiple tractography methods for reconstruction of the retinogeniculate visual pathway using diffusion MRI

Zhang

Xie

et al. 2020

Preprint

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The retinogeniculate visual pathway (RGVP) conveys visual information from the retina to the lateral geniculate nucleus. Anatomically, the RGVP can be separated into four subdivisions, including two decussating and two non-decussating fiber pathways, which cannot be identified by conventional magnetic resonance imaging (MRI). Diffusion MRI tractography has the potential to trace these subdivisions and is increasingly used to study the anatomy of the RGVP. However, it is not yet known which fiber tracking strategy is most suitable for tractographic reconstruction of the RGVP. In this study, four different tractography algorithms, including constrained spherical deconvolution (CSD) model based probabilistic (iFOD1) and deterministic (SD-Stream) methods, and multi-fiber (UKF-2T) and single-fiber (UKF-1T) unscented Kalman filter (UKF) tractography methods, are compared for reconstruction of the RGVP. Experiments are performed using diffusion MRI data of 57 subjects in the Human Connectome Project. The RGVP is identified using regions of interest created by two clinical experts. Anatomical measurements are used to assess the advantages and limitations of the four tracking strategies, including the reconstruction rate of the four RGVP subdivisions, the percentage of decussating fibers, the correlation between volumes of the traced RGVPs and a T1w-based RGVP segmentation, and an expert judgment to rank the anatomical appearance of the reconstructed RGVPs. Overall, we conclude that UKF-2T and iFOD1 produce the best RGVP reconstruction results. The iFOD1 method can better quantitatively estimate the percentage of decussating fibers, while the UKF-2T method produces reconstructed RGVPs that are judged to better correspond to the known anatomy.

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Ischemic Injury of the Papillomacular Bundle Is a Predictive Marker of Poor Vision in Eyes With Branch Retinal Artery Occlusion

Cited by 20 publications

References 25 publications

Cerebral Small Vessel Disease in Branch Retinal Artery Occlusion

Cerebral Small Vessel Disease in Branch Retinal Artery Occlusion

Branch retinal artery occlusion post-penetrating globe injury with intraocular foreign body

Comparison of multiple tractography methods for reconstruction of the retinogeniculate visual pathway using diffusion MRI

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