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https://www.readbyqxmd.com/read/28096655/reversibility-of-retinal-ischemia-due-to-central-retinal-artery-occlusion-by-hyperbaric-oxygen
#1
Amir Hadanny, Amit Maliar, Gregory Fishlev, Yair Bechor, Jacob Bergan, Mony Friedman, Isaac Avni, Shai Efrati
PURPOSE: Ischemic retinal damage can be reversed by hyperbaric oxygen therapy (HBOT) as long as irreversible infarction damage has not developed. However, the time window till irreversible damage develops is still unknown. The study aim was to evaluate the effect of HBOT and determine possible markers for irreversible retinal damage. MATERIALS AND METHODS: Retrospective analysis of 225 patients treated with HBOT for central retinal artery occlusion (CRAO) in 1999-2015...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28093631/-retinal-artery-occlusion
#2
N Feltgen, A Pielen
Retinal artery occlusion leads to profound visual impairment in the affected eye. It is rarely caused by local ophthalmic pathologies. Most patients present with a large number of cardio- and cerebrovascular risk factors. Visual loss is the leading symptom in central retinal artery occlusion (CRAO), whereas a circumscribed visual field defect is claimed in branch retinal artery occlusion (BRAO). Although many attempts have been made to improve the course of the disease, no effective therapy is available. There is some hope that intravenous fibrinolysis could influence the natural course but the therapeutic window is small (ca...
January 16, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28064304/evaluation-of-ophthalmic-artery-branch-retrograde-intervention-in-the-treatment-of-central-retinal-artery-occlusion-crao
#3
Runsheng Wang, Lu Qian, Yi Wang, Yi Zheng, Shanshuang Du, Tao Lei, Peilin Lv, Tan Long, Wenjun Wang
BACKGROUND Central retinal artery occlusion (CRAO) is the occlusion of the central retinal artery resulting in retinal infarction and acute vision loss. Digital subtraction angiography (DSA)-guided superselective ophthalmic artery or selective carotid thrombolysis remains the preferred treatment method for CRAO. This study aimed to evaluate the safety and clinical efficacy of the novel ophthalmic artery branch retrograde thrombolytic intervention for CRAO. MATERIAL AND METHODS Fifty patients with monocular CRAO were enrolled, including 28 males and 22 females (mean age: 55...
January 8, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27988065/cilioretinal-obstruction-during-pregnancy
#4
J Vila-Arteaga, M M Suriano, A Martínez-Lajara
PURPOSE: To determine the number of patients diagnosed over a 5-year period with isolated occlusion of the cilioretinal artery (CRAO) whilst pregnant, as well as to describe the outcomes and ophthalmological sequelae of this condition in pregnant woman. METHODS: A retrospective study of the medical records. RESULTS: From the 135 patients diagnosed with retinal arterial occlusion of all of our series, 20 (14.8%) had CRAO, and 2 (1.48%) of these were pregnant...
December 14, 2016: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/27941401/new-standards-of-care-in-ischemic-stroke
#5
Bree K Chancellor, Koto Ishida
BACKGROUND: Ischemic arterial strokes of the ophthalmic artery and its branches and posterior cerebral artery are common causes of visual disability. Etiologies of stroke affecting the retina, optic nerve, optic radiation, and visual cortex overlap with other types of ischemic strokes. Stenosis of the internal carotid is the most common cause of central retinal artery occlusion (CRAO). One-fourth of patients with CRAO have cerebral strokes. We report recent developments in the acute treatment and secondary prevention of ischemic stroke of relevance to clinicians who encounter patients with acute vision loss...
December 8, 2016: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/27938350/central-retinal-artery-occlusion-and-cerebral-infarction-associated-with-mycoplasma-pneumonia-infection-in-children
#6
Yunguang Bao, Xiaobing Li, Kaixuan Wang, Chan Zhao, Xiumei Ji, Mizu Jiang
BACKGROUND: Central retinal artery occlusion (CRAO) is an arterial ischemic stroke, rarely occurred in children accompanied with asymptomatic cerebral infarction and almost never involved in severe pneumonia related to Mycoplasma pneumonia infection. CASE PRESENTATION: An 8-year-old boy with severe pneumonia related to Mycoplasma pneumonia infection that developed loss of vision in the left eye on the 14(th) day. No light perception and no pupillary reaction to light were found in the left eye...
December 9, 2016: BMC Pediatrics
https://www.readbyqxmd.com/read/27886897/update-on-the-management-of-central-retinal-artery-occlusion
#7
REVIEW
Michael Dattilo, Valérie Biousse, Nancy J Newman
Central retinal artery occlusion (CRAO) is caused by partial or complete occlusion of the central retinal artery, most commonly by an embolus from the ipsilateral carotid artery, aortic arch, or heart, and is the ocular equivalent of an acute cerebral ischemic event. The risk factors for a CRAO and acute cerebral ischemia are very similar, if not identical. Because no current therapeutic intervention has been shown to improve visual outcomes compared with the natural history of CRAO, management of CRAO should be focused on secondary prevention of vascular events, such as cerebral ischemia, myocardial infarction, and cardiovascular death...
February 2017: Neurologic Clinics
https://www.readbyqxmd.com/read/27865695/fusiform-left-carotid-ophthalmic-artery-aneurysm-presenting-with-central-retinal-artery-occlusion
#8
Rima M Dafer, John H Pula, Shakeel Chowdhry
Central retinal artery occlusion (CRAO) is a devastating ocular emergency characterized by acute painless visual loss in the ipsilateral eye. We describe the case of acute non-arteritic CRAO associated fusiform internal carotid-ophthalmic artery aneurysm with intraluminal thrombus. Despite the rarity of this condition, we suggest that carotid-ophthalmic artery aneurysm should be included in the differential diagnosis of CRAO.
January 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/27781041/visual-improvement-after-intra-arterial-thrombolysis-for-central-retinal-artery-occlusion-does-not-correlate-with-time-to-treatment
#9
Paul S Page, Alexander C Cambon, Robert F James
BACKGROUND: Intra-arterial thrombolysis (IAT) for the treatment of acute central retinal artery occlusion (CRAO) has demonstrated variable results for improving visual acuity and remains controversial. Despite limited evidence, time from symptom onset to thrombolysis is believed to be an important factor in predicting visual improvement after IAT. METHODS: A comprehensive review of the literature was conducted and individual subject level data were extracted from relevant studies...
September 2016: Interventional Neurology
https://www.readbyqxmd.com/read/27745901/ambient-air-pollution-and-the-risk-of-central-retinal-artery-occlusion
#10
Hui-Chen Cheng, Ren-Hao Pan, Huan-Jui Yeh, K Robert Lai, May-Yung Yen, Chien-Lung Chan, An-Guor Wang
PURPOSE: To investigate whether daily changes in ambient air pollution were associated with an increased risk of central retinal artery occlusion (CRAO). DESIGN: Retrospective population-based cohort study. PARTICIPANTS: We identified patients newly diagnosed with CRAO between 2001 and 2013 in a representative database of 1 000 000 patients that were randomly selected from all registered beneficiaries of the National Health Insurance program in Taiwan...
October 13, 2016: Ophthalmology
https://www.readbyqxmd.com/read/27729755/incidence-and-clinical-features-of-neovascularization-of-the-iris-following-acute-central-retinal-artery-occlusion
#11
Young Ho Jung, Seong Joon Ahn, Jeong-Ho Hong, Kyu Hyung Park, Moon-Ku Han, Cheolkyu Jung, Se Joon Woo
PURPOSE: To investigate the incidence of neovascularization of the iris (NVI) and clinical features of patients with NVI following acute central retinal artery occlusion (CRAO). METHODS: A retrospective review of 214 consecutive CRAO patients who visited one tertiary hospital between January 2009 and January 2015 was conducted. In total, 110 patients were eligible for this study after excluding patients with arteritic CRAO, a lack of follow-up, iatrogenic CRAO secondary to cosmetic filler injection, or NVI detected before CRAO attack...
October 2016: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/27698763/observation-on-therapeutic-efficacy-of-rt-pa-intravenous-thrombolysis-combined-with-compound-anisodine-injection-on-central-retinal-artery-occlusion
#12
Xiao-Jun Wu, Feng Gao, Xu Liu, Qing Zhao
The aim of the present study was to observe the clinical efficacy and safety of recombinant tissue plasminogen activator (rt-PA) combined with compound anisodine in treating central retinal artery occlusion (CRAO). Forty-eight patients diagnosed with CRAO were randomly divided into a treatment group (24 cases) and a control group (24 cases). For the control group, nitroglycerin, 654-2, methazolamide, puerarin and compound anisodine were used for the treatment, along with oxygen, massage and other conventional treatments...
October 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27613631/early-onset-of-ocular-neovascularization-after-hyperbaric-oxygen-therapy-in-a-patient-with-central-retinal-artery-occlusion
#13
Peter H Tang, Kevin Engel, David Wilkin Parke
Central retinal artery occlusion (CRAO) is an infarction to the retina that results in acute, frequently severe vision loss. Long-term complications such as ocular neovascularization (ONV) can occur and result in neovascular glaucoma and vitreous hemorrhage. Recent studies have explored acute hyperbaric oxygen (HBO) therapy as a promising treatment for CRAO to improve long-term vision potential; however, its effects on CRAO complications have not been well characterized. This study was conducted to better characterize the effects of HBO therapy on complications from CRAO...
December 2016: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/27598864/the-characteristics-of-retinal-emboli-and-its-association-with-vascular-reperfusion-in-retinal-artery-occlusion
#14
Kwan Hyuk Cho, Seong Joon Ahn, Joon Hee Cho, Cheolkyu Jung, Moon-Ku Han, Sang Jun Park, Kyu Hyung Park, Se Joon Woo
PURPOSE: To analyze the characteristics of retinal emboli and their association with vascular reperfusion in retinal artery occlusion (RAO). METHODS: In this retrospective comparative case series, we analyzed emboli in patients with acute central retinal artery occlusion (CRAO) or branch retinal artery occlusion (BRAO) and visible emboli, and analyzed vascular reperfusion in patients with visible emboli causing blockage of perfusion. The patients were divided into emboli "movement" and "no movement" groups and their vascular reperfusion states were compared...
September 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27368050/relationship-between-retinal-vascular-occlusions-and-incident-cerebrovascular-diseases-a-systematic-review-and-meta-analysis
#15
Yue Zhou, Wengen Zhu, Changyun Wang
Several studies investigating the role of retinal vascular occlusions, on cerebrovascular diseases (CVD) have been reported, but the results are still inconsistent. We therefore sought to evaluate the relationship between retinal vascular occlusions and CVD.We systematically searched the Cochrane Library, PubMed, and ScienceDirect databases through January 31, 2016 for studies evaluating the effect of retinal vascular occlusions on the risk of CVD. Data were abstracted using predefined criteria, and then pooled by RevMan 5...
June 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27313672/manifestations-of-central-retinal-artery-occlusion-revealed-by-fundus-fluorescein-angiography-are-associated-with-the-degree-of-visual-loss
#16
Hongxia Gong, Qiuying Song, Lanhui Wang
The aim of this study was to investigate the association between central visual impairment and the characteristics of fundus fluorescein angiography (FFA) in patients with central retinal artery occlusion (CRAO). A total of 63 patients were diagnosed with CRAO by FFA. The visual dysfunction was classified into severe, mild and light degrees. Tropicamide was administered for mydriasis. FFA examination was performed using Heidelberg retinal tomography. The associations of age, gender and disease course with CRAO type were analyzed...
June 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27297405/evaluating-the-incidence-of-arteritic-ischemic-optic-neuropathy-and-other-causes-of-vision-loss-from-giant-cell-arteritis
#17
John J Chen, Jacqueline A Leavitt, Chengbo Fang, Cynthia S Crowson, Eric L Matteson, Kenneth J Warrington
PURPOSE: To determine the incidence of permanent visual loss from giant cell arteritis (GCA). DESIGN: Retrospective, population-based cohort. PARTICIPANTS: All residents of Olmsted County, Minnesota, diagnosed with GCA between January 1, 1950, and December 31, 2009. METHODS: All cases of GCA were identified using the Rochester Epidemiology Project (REP), which is a record-linkage system of medical records for all patient-physician encounters among Olmsted County, Minnesota, residents...
September 2016: Ophthalmology
https://www.readbyqxmd.com/read/27274409/perioperative-visual-loss-following-prone-spinal-surgery-a-review
#18
Nancy E Epstein
BACKGROUND: Postoperative visual loss (POVL) following prone spine surgery occurs in from 0.013% to 1% of cases and is variously attributed to ischemic optic neuropathy (ION: anterior ION or posterior ION [reported in 1.9/10,000 cases: constitutes 89% of all POVL cases], central retinal artery occlusion [CRAO], central retinal vein occlusion [CRVO], cortical blindness [CB], direct compression [horseshoe, prone pillows, and eye protectors Dupaco Opti-Gard]), and acute angle closure glaucoma (AACG)...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27274406/how-to-avoid-perioperative-visual-loss-following-prone-spinal-surgery
#19
Nancy E Epstein
BACKGROUND: In a prior article, "Perioperative visual loss (POVL) following prone spinal surgery: A review," Epstein documented that postoperative visual loss (POVL) occurs in from 0.013% to 0.2% of spine procedures performed in the prone position. POVL is largely attributed to ischemic optic neuropathy (ION), central retinal artery occlusion (CRAO), cortical blindness (CB), direct compression (prone pillows/horseshoe, eye protectors), and rarely, acute angle closure glaucoma. METHODS: Risk factors for ION include prolonged surgery, extensive fusions, anemia, hypotension, hypovolemia, diabetes, obesity, use of the Wilson frame, male sex, and microvascular pathology...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27183551/spectral-domain-optical-coherence-tomography-angiography-of-central-retinal-artery-occlusion
#20
Gena Damento, Michael H Chen, Theodore Leng
The authors report the use of optical coherence tomography angiography (OCTA) to determine retinal blood flow in a patient with central retinal artery occlusion (CRAO). Spectral-domain OCTA (SD-OCTA) was performed on an eye with CRAO. En face vascular images were constructed using an optical microangiography algorithm. The retinal vasculature was clearly imaged with high fidelity; areas of perfused retina were identified with exquisite detail. This study supports use of OCTA in diagnosing and monitoring CRAOs...
May 1, 2016: Ophthalmic Surgery, Lasers & Imaging Retina
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