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- W4378611541 abstract "Abstract Introduction Nonarteritic Anterior Ischemic Optic Neuropathy (NAION) is an ischemic insult to the anterior portion of the optic nerve with unclear etiology. Several small sized studies and case reports have demonstrated association between OSA and NAION. In this case, we present a patient with bilateral NAION who was later diagnosed with OSA which may signify this important clinical association. Report of case(s) A 57-year-old man with history of hypertension, presented to the ophthalmology clinic for sudden painless decreased visual acuity of the right eye for one-month duration. He had no history of head trauma or other neurological deficits on his initial presentation. He reported having “bad vision” in his left eye for the entire of his life. Funduscopic evaluation revealed bilateral optic disc edema more in the left eye. Laboratory workup including CBC, CMP and HbA1C were within normal limits. Brain MRI showed only mild nonspecific scattered subcortical and deep periventricular hyperintensities suggestive of chronic small vessel ischemic disease and no acute infarct or masses. MRI of the orbits was normal. A diagnosis of bilateral Nonarteritic Anterior Ischemic Optic Neuropathy (NAION) was highly suggested based on the clinical history and examination findings. A referral to a sleep clinic was made to evaluate for possible sleep apnea. A polysomnogram confirmed obstructive sleep apnea with AHI of 7.2/h, REM AHI of 7.7/h and supine AHI 14.9/h. Nocturnal hypoxemia associated with the respiratory events with time of O2 saturation < 88% for 29 minutes. Patient was referred for a titration study to determine the appropriate PAP pressure to treat his sleep disordered breathing. Conclusion This case adds to the current evolving evidence of the link between OSA with NAION. It signifies the importance of having an index of suspicion, among both sleep specialists and ophthalmologists, to recognize patients who may have one of the conditions and consider screening for the other, which may lead to earlier diagnosis and improved outcomes. Support (if any)" @default.
- W4378611541 created "2023-05-29" @default.
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- W4378611541 date "2023-05-01" @default.
- W4378611541 modified "2023-10-01" @default.
- W4378611541 title "1002 Bilateral Nonarteritic Anterior Ischemic Optic Neuropathy (NAION) in a Patient with Obstructive Sleep Apnea (OSA)" @default.
- W4378611541 doi "https://doi.org/10.1093/sleep/zsad077.1002" @default.
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