Posterior ischemic optic neuropathy: Perioperative risk factors
نویسندگان
چکیده
منابع مشابه
posterior ischemic optic neuropathy following percutaneous nephrolithotomy
purpose: to report a case of posterior ischemic optic neuropathy (pion) following percutaneous nephrolithotomy (pcnl). patient and findings: a 57-year-old male who underwent pcnl because of renal stone was referred due to painless bilateral visual loss to the level of light perception immediately after the operation. the patient had history of diabetes mellitus, hyperlipidemia, and mild anemia....
متن کاملA novel rodent model of posterior ischemic optic neuropathy.
OBJECTIVES To develop a reliable, reproducible rat model of posterior ischemic optic neuropathy (PION) and study the cellular responses in the optic nerve and retina. METHODS Posterior ischemic optic neuropathy was induced in adult rats by photochemically induced ischemia. Retinal and optic nerve vasculature was examined by fluorescein isothiocyanate–dextran extravasation. Tissue sectioning a...
متن کاملMRI findings in Post-operative Bilateral Posterior Ischemic Optic Neuropathy.
A 62-year-old female complained of vision loss following multiple abdominal surgeries for mesenteric ischemia. The patient’s visual acuity was no light perception (NLP) in the right eye and hand motion (HM) at 1’ in the left eye. Both pupils were unreactive and no relative afferent pupillary defect was noted. Anterior segment and fundus examination were unremarkable. T1 and T2 weighted MRI imag...
متن کاملDiffusion-weighted imaging in posterior ischemic optic neuropathy.
Optic Neuropathy We read with interest the case report by Mathur et al in which they have described an acute ischemic event in the posterior part of the intraorbital optic nerve consequent to rhinocerebral mucormycosis and its early detection by diffusion-weighted MR imaging (DW-MR imaging). In this regard, we would like to report another similar case that we came across in our tertiary care in...
متن کاملPosterior Ischemic Optic Neuropathy following Herpes Zoster Ophthalmicus
PURPOSE To report a case of posterior ischemic optic neuropathy (PION) following herpes zoster ophthalmicus (HZO). CASE REPORT A 58-year-old woman with history of recent HZO in her right eye presented with acute painless loss of vision in the same eye to no light perception.Examination revealed a positive relative afferent pupillary defect and a normal appearing optic disc. Inflammatory and i...
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ژورنال
عنوان ژورنال: Taiwan Journal of Ophthalmology
سال: 2020
ISSN: 2211-5056
DOI: 10.4103/tjo.tjo_41_20