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Anterior Ischemic Optic Neuropathy

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Lycium barbarum polysaccharides protects retinal ganglion cells against oxidative stress injury.

Lian Liu, Xiao-Yuan Sha, Yi-Ning Wu, Meng-Ting Chen, Jing-Xiang Zhong,

The accumulation of excessive reactive oxygen species can exacerbate any injury of retinal tissue because free radicals can trigger lipid peroxidation, protein damage and DNA fragmentation. Increased oxidative stress is associated with the common pathological process of many eye diseases, such as glaucoma, diabetic retinopathy and ischemic optic neuropathy. Many ... Read more >>

Neural Regen Res (Neural regeneration research)
[2020, 15(8):1526-1531]

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Evaluation of enhanced external counterpulsation therapy for nonarteritic anterior ischemic optic neuropathy

Lixia Lin, Wenhui Zhu, Nan Ma, Xiaofeng Lin, Hui Yang,

<title>Abstract</title> <p> Background To explore the effects of enhanced external counterpulsation (EECP) and its underlying influencing factors in nonarteritic anterior ischemic optic neuropathy (NAION) patients. Methods Patients at Zhongshan Ophthalmic Center with recent-onset (<8 weeks) NAION were retrospectively recruited. The patients had decided whether or not they would ... Read more >>

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Predicting Risk of Perioperative Ischemic Optic Neuropathy in Spine Fusion Surgery: A Cohort Study Using the National Inpatient Sample.

Shikhar H Shah, Yi-Fan Chen, Heather E Moss, Daniel S Rubin, Charlotte E Joslin, Steven Roth,

BACKGROUND:Ischemic optic neuropathy (ION) is a rare complication of anesthesia and surgery that causes vision loss in spine fusion. We sought to develop a predictive model based on known preoperative risk factors for perioperative ION to guide patient and physician preoperative decision-making. METHODS:In the National Inpatient Sample (NIS) for 1998-2012, ... Read more >>

Anesth. Analg. (Anesthesia and analgesia)
[2020, 130(4):967-974]

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Automated Evaluation of Parapapillary Choroidal Microvasculature in Ischemic Optic Neuropathy and Open Angle Glaucoma.

Masoud Aghsaei Fard, Mirataollah Salabati, Raziyeh Mahmoudzadeh, Rahele Kafieh, Sahar Hojati, Mona Safizadeh, Sasan Moghimi, Robert Ritch, Prem S Subramanian,

Purpose:To determine whether parapapillary choroidal microvasculature (PPCMv) density as measured by optical coherence tomography angiography differs between nonarteritic anterior ischemic optic neuropathy (NAION) and primary open angle glaucoma (POAG). Methods:Thirty-seven eyes with chronic NAION, 34 unaffected fellow eyes with NAION, 47 moderate and severe POAG eyes, and 54 healthy control ... Read more >>

Invest. Ophthalmol. Vis. Sci. (Investigative ophthalmology & visual science)
[2020, 61(3):35]

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Should Aspirin Be Prescribed to Prevent Recurrence in Nonarteritic Anterior Ischemic Optic Neuropathy?

Robert A Egan, Anthony C Arnold, Andrew G Lee, Gregory P Van Stavern,

J Neuroophthalmol (Journal of neuro-ophthalmology : the official journal of the North American Neuro-Ophthalmology Society)
[2020, :]

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Characteristics and outcomes of patients with ophthalmologic involvement in giant-cell arteritis: A case-control study.

Anaël Dumont, Anaïs Lecannuet, Jonathan Boutemy, Gwénola Maigné, Nicolas Martin-Silva, Samuel Deshayes, Alexandra Audemard-Verger, Audrey Sultan, Gaétane Planchard, Achille Aouba, Hubert de Boysson,

PURPOSE:To describe the characteristics and outcome of patients with giant-cell arteritis (GCA)-related ophthalmologic involvement at diagnosis. METHODS:In a retrospective single-center cohort of 409 consecutive patients with GCA, we retrieved 104 patients with visual symptoms at GCA diagnosis and we compared them to 104 age- and sex-matched controls without ophthalmologic involvement. ... Read more >>

Semin. Arthritis Rheum. (Seminars in arthritis and rheumatism)
[2020, 50(2):335-341]

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The Use of Vitamins and Coenzyme Q10 for the Treatment of Vascular Occlusion Diseases Affecting the Retina.

Beatriz Fernández-Vega, Javier Nicieza, Ana Álvarez-Barrios, Lydia Álvarez, Montserrat García, Carlos Fernández-Vega, José A Vega, Héctor González-Iglesias,

Nutritional supplementation with antioxidants and vitamins is widely recommended in the treatment of vascular disorders affecting the retina, although there is insufficient evidence on its effectiveness. The vitamin-like compound coenzyme Q10 (CoQ10) is a nutritional supplement of current interest to treat neurodegenerative diseases. Here, we report a retrospective clinical case ... Read more >>

Nutrients (Nutrients)
[2020, 12(3):]

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[Retinal artery occlusion and anterior ischemic optic neuropathy associated with factor V Leiden mutation: A case report].

I E Elleuch, S Sayadi, N Rahali, T Dridi, W Zbiba,

Factor V is a pro-coagulant cofactor required for the transformation of prothrombin into thrombin. Thrombin activates factor V, which is then deactivated by protein C. A mutation in factor V is responsible for the formation of factor V Leiden, resistant to activated protein C. The association of this mutation with ... Read more >>

J Fr Ophtalmol (Journal francais d'ophtalmologie)
[2020, :]

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Aspirin Should Not Be Recommended to Prevent Second Eye Involvement in Patients With Nonarteritic Anterior Ischemic Optic Neuropathy.

Anthony C Arnold,

J Neuroophthalmol (Journal of neuro-ophthalmology : the official journal of the North American Neuro-Ophthalmology Society)
[2020, :]

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[Acute ischemic optic nerve disease: Pathophysiology, clinical features and management (French translation of the article)].

E Augstburger, E Héron, A Abanou, C Habas, C Baudouin, A Labbe,

Ischemic optic neuropathies are among the leading causes of severe visual acuity loss in people over 50 years of age. They constitute a set of various entities that are clinically, etiologically and therapeutically different. Anatomically, it is necessary to distinguish anterior and posterior forms. From an etiological point of view, ... Read more >>

J Fr Ophtalmol (Journal francais d'ophtalmologie)
[2020, 43(3):256-270]

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Acute changes in ganglion cell layer thickness in ischemic optic neuropathy compared to optic neuritis using optical coherence tomography.

Peter W MacIntosh, S Vijay Kumar, V R Saravanan, Virna M Shah,

AIM:To elucidate the changes of different ganglion cell layer (GCL) thinning patterns between the optic neuritis (ON) and non-arteritic anterior ischemic optic neuropathy (NAION). METHODS:A prospective, observational study was conducted to evaluate the timing of GCL changes between acute ON and NAION using optical coherence tomography. RESULTS:Thinning on optical coherence ... Read more >>

Int J Ophthalmol (International journal of ophthalmology)
[2020, 13(1):120-123]

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Restricted Diffusion in the Optic Nerve Head After Shock-Induced Anterior Ischemic Optic Neuropathy.

Bayan A Al Othman, Maryam Naser, Ashwini T Kini, Andrew G Lee,

Shock-induced anterior ischemic optic neuropathy (SIAION) is a known type of optic neuropathy in patients who experienced shock related to different etiologies such as anemia and severe intradialytic hypotension like in our patient. Nonarteritic anterior ischemic optic neuropathy (NAION) is the most common acute unilateral known type of optic neuropathy ... Read more >>

J Neuroophthalmol (Journal of neuro-ophthalmology : the official journal of the North American Neuro-Ophthalmology Society)
[2020, :]

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A pyruvate dehydrogenase kinase inhibitor prevents retinal cell death and improves energy metabolism in rat retinas after ischemia/reperfusion injury.

Kota Sato, Seiya Mochida, Daisuke Tomimoto, Takahiro Konuma, Naoki Kiyota, Satoru Tsuda, Yukihiro Shiga, Kazuko Omodaka, Toru Nakazawa,

We aimed to assess the neuroprotective effect of a pyruvate dehydrogenase kinase (PDK) inhibitor, Nov3r after ischemia/reperfusion (IR) injury in rats. IR injury was induced by applying 150 mmHg of intraocular pressure for 50 min. Nov3r was orally administered (100 mg/kg) 3 h before and 24 h after IR injury. TUNEL-positive cells increased and immunoreactive ... Read more >>

Exp. Eye Res. (Experimental eye research)
[2020, 193:107997]

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Assessment of peripapillary vessel density in acute non-arteritic anterior ischemic optic neuropathy.

Haitham Y Al-Nashar, Sahar Hemeda,

PURPOSE:To assess the peripapillary perfusion in eyes with acute non-arteritic anterior ischemic optic neuropathy (NAION) using optical coherence tomography angiography (OCTA). METHODS:Twenty-five patients with unilateral acute NAION were included in this observational cross-sectional study. They were divided into two groups: group I (25 eyes) included eyes with acute NAION, and ... Read more >>

Int Ophthalmol (International ophthalmology)
[2020, :]

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Bilateral anterior ischemic optic neuropathy associated with gastrointestinal hemorrhage and maintenance hemodialysis.

I Blanco-Dominguez, B Monsalve, L M Martínez, A V Oteiza, M Bové,

J Fr Ophtalmol (Journal francais d'ophtalmologie)
[2020, :]

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Follow-up of nonarteritic anterior ischemic optic neuropathy with optical coherence tomography angiography

Changzheng Chen, Juejun Liu, Li Lu, Zuohuizi Yi, Hongmei Zheng,

<title>Abstract</title> <p> Background To analyze the blood flow changes of radial peripapillary capillaries (RPC) and macula with time procession in patients with non-arteritic anterior ischemic optic neuropathy (NAION) using optical coherence tomography angiography (OCT-A). Methods A total of 21 affected eyes and 19 unaffected eyes from 21 NAION ... Read more >>

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Haematococcus pluvialis-Derived Astaxanthin Is a Potential Neuroprotective Agent against Optic Nerve Ischemia.

Wei-Ning Lin, Kishan Kapupara, Yao-Tseng Wen, Yi-Hsun Chen, I-Hong Pan, Rong-Kung Tsai,

Astaxanthin, a xanthophyll belonging to the family of carotenoids, is a potent antioxidant. However, much less is known about its protective effects on the oxidative stress of ischemic optic nerve. We hypothesized that astaxanthin treatment could protect retinal ganglion cells (RGCs) from death via anti-oxidative and anti-apoptotic responses. Adult male ... Read more >>

Mar Drugs (Marine drugs)
[2020, 18(2):]

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Anterior ischemic optic neuropathy in a patient with papilledema from idiopathic intracranial hypertension.

Jingyi Ma, Jonathan A Micieli,

Patients may lose vision in idiopathic intracranial hypertension from worsening papilledema and optic nerve dysfunction. Acute vision loss may also occur in this context from anterior ischemic optic neuropathy. We report a case of a 29-year-old woman with bilateral moderate papilledema from idiopathic intracranial hypertension who experienced sudden loss of ... Read more >>

Am J Ophthalmol Case Rep (American journal of ophthalmology case reports)
[2020, 17:100593]

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BILATERAL PARACENTRAL ACUTE MIDDLE MACULOPATHY AFTER CARDIOPULMONARY BYPASS.

Suzanne M Michalak, Nisha Mukherjee, Sidney M Gospe,

PURPOSE:To report the first two observations of bilateral paracentral acute middle maculopathy in the early postoperative period after cardiopulmonary bypass procedures. METHODS:Comprehensive ophthalmic examinations were performed, including best-corrected visual acuity, Humphrey visual field testing, dilated fundus examination, and optical coherence tomography. RESULTS:Two patients complained of unilateral vision loss after cardiac ... Read more >>

Retin Cases Brief Rep (Retinal cases & brief reports)
[2020, :]

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A neuroglia-based interpretation of glaucomatous neuroretinal rim thinning in the optic nerve head.

Eun Jung Lee, Jong Chul Han, Do Young Park, Changwon Kee,

Neuroretinal rim thinning (NRR) is a characteristic glaucomatous optic disc change. However, the precise mechanism of the rim thinning has not been completely elucidated. This review focuses on the structural role of the glioarchitecture in the formation of the glaucomatous NRR thinning. The NRR is a glia-framed structure, with honeycomb ... Read more >>

Prog Retin Eye Res (Progress in retinal and eye research)
[2020, :100840]

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Microvascular changes in macula and optic nerve head after femtosecond laser-assisted LASIK: an optical coherence tomography angiography study.

Yan Zhang, Jianqing Lan, Dan Cao, Cheng Yang, Dawei Yang, Wenjuan Xie, Jin Zeng,

BACKGROUND:To measure the microcirculation change of macula and optic nerve head before and after femtosecond laser assisted laser in situ keratomileusis. METHODS:In total 45 eyes from 45 subjects, who underwent FS-LASIK during June 2017 to December 2017 in Guangdong Provincial People's Hospital, were recruited in this study. Vessel density in ... Read more >>

BMC Ophthalmol (BMC ophthalmology)
[2020, 20(1):107]

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Optic Disc Drusen Associated Anterior Ischemic Optic Neuropathy: Prevalence of Comorbidities and Vascular Risk Factors.

Lea L Rueløkke, Lasse Malmqvist, Marianne Wegener, Steffen Hamann,

BACKGROUND:Nonarteritic anterior ischemic optic neuropathy (NA-AION) associated with optic disc drusen (ODD) is termed ODD-AION, where NA-AION with no evidence of ODD is simply termed NA-AION. Patients with ODD-AION have been found to be younger than those with NA-AION but with similar vascular risk factors. This study compares the known ... Read more >>

J Neuroophthalmol (Journal of neuro-ophthalmology : the official journal of the North American Neuro-Ophthalmology Society)
[2020, :]

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Choroidal Thickness in Acute Non-arteritic Anterior Ischemic Optic Neuropathy.

Homayoun Nikkhah, Mohadeseh Feizi, Naser Abedi, Saeed Karimi, Mehdi Yaseri, Hamed Esfandiari,

Purpose:To compare the choroidal thickness in eyes with acute non-arteritic anterior ischemic optic neuropathy (NAION) with healthy contralateral eye and normal controls. Methods:Thirty-eight eyes with NAION, thirty-eight unaffected fellow eyes, and seventy-four eyes from 37 healthy, age- and sex-matched subjects were included in this prospective comparative case-control study. Choroidal thickness ... Read more >>

J Ophthalmic Vis Res (Journal of ophthalmic & vision research)
[2020, 15(1):59-68]

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Choroidal Vascularity Index: An In-Depth Analysis of This Novel Optical Coherence Tomography Parameter.

Claudio Iovino, Marco Pellegrini, Federico Bernabei, Enrico Borrelli, Riccardo Sacconi, Andrea Govetto, Aldo Vagge, Antonio Di Zazzo, Matteo Forlini, Lucia Finocchio, Adriano Carnevali, Giacinto Triolo, Giuseppe Giannaccare,

Remarkable improvements in optical coherence tomography (OCT) technology have resulted in highly sophisticated, noninvasive machines allowing detailed and advanced morphological evaluation of all retinal and choroidal layers. Postproduction semiautomated imaging analysis with dedicated public-domain software allows precise quantitative analysis of binarized OCT images. In this regard, the choroidal vascularity index ... Read more >>

J Clin Med (Journal of clinical medicine)
[2020, 9(2):]

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Algae Oil Treatment Protects Retinal Ganglion Cells (RGCs) via ERK Signaling Pathway in Experimental Optic Nerve Ischemia.

Tzu-Lun Huang, Yao-Tseng Wen, Yu-Chieh Ho, Jia-Kang Wang, Kuan-Hung Lin, Rong-Kung Tsai,

BACKGROUND:We investigated the therapeutic effects and related mechanisms of algae oil (ALG) to protect retinal ganglion cells (RGCs) in a rat model of anterior ischemic optic neuropathy (rAION). METHODS:Rats were daily gavaged with ALG after rAION induction for seven days. The therapeutic effects of ALG on rAION were evaluated using ... Read more >>

Mar Drugs (Marine drugs)
[2020, 18(2):]

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