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442 results on '"Van Stavern, Gregory P."'

3. Hematologic Disorders

Author

Van Stavern, Gregory P., Smith, Loreley D., James, Hayley R., Sundstrom, Jeffrey M., Section editor, Quillen, David A., Section editor, Albert, Daniel M., editor, Miller, Joan W., editor, Azar, Dimitri T., editor, and Young, Lucy H., editor

Published
2022
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12. Peripheral Retinal Haemorrhages in a Patient with MOG-Associated Optic Neuritis.

Author

Wilke, Georgia A., Spencer, Madeline, Gilman, Carley A., Guerriero, Rejean, Bohm, Parker, Van Stavern, Gregory P., and Lee, Andrew R.

Subjects
OPTIC neuritis, MYELIN oligodendrocyte glycoprotein, HEMORRHAGE, MAGNETIC resonance imaging, OPTIC nerve, VISION disorders
Abstract

A 15-year-old female presented with headaches and bilateral vision loss. Fundoscopic examination revealed bilateral optic nerve oedema as well as peripheral retinal haemorrhages. Magnetic resonance imaging of the brain showed findings consistent with bilateral optic neuritis. The patient was started on high dose intravenous corticosteroids but her vision failed to improve. The presence of retinal haemorrhages raised concern that a vasculitis was underlying her symptoms, prompting an extensive work-up, which was unrevealing. Plasmapheresis was initiated and the patient's vision eventually improved to 20/20 in both eyes. Ultimately, she was found to be positive for myelin oligodendrocyte glycoprotein (MOG) antibodies, consistent with a diagnosis of MOG-associated optic neuritis. The patient's course was typical for MOG-associated optic neuritis but her peripheral retinal haemorrhages were atypical, which created diagnostic uncertainty. It is important to be aware of the possibility of retinal findings in this disease. We also review potential causes for retinal haemorrhages in optic neuritis. [ABSTRACT FROM AUTHOR]

Published
2024
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18. Misdiagnosis of Third Nerve Palsy

Author

Schroeder, Richard M., Stunkel, Leanne, Gowder, Mangayarkarasi Thandampallayam Ajjeya, Kendall, Emerson, Wilson, Bradley, Nagia, Lina, Eggenberger, Eric R., and Van Stavern, Gregory P.

Published
2022
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23. Misdiagnosis of Third Nerve Palsy

Author

Schroeder, Richard M., Stunkel, Leanne, Gowder, Mangayarkarasi Thandampallayam Ajjeya, Kendall, Emerson, Wilson, Bradley, Nagia, Lina, Eggenberger, Eric R., and Van Stavern, Gregory P.

Published
2020
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37. Chiasmal Compression by the Third Ventricle in Obstructive Hydrocephalus: Case Report and Review of the Literature.

Author

Guniganti, Ridhima, Kiser, Kelly, Goyal, Manu, Reynolds, Margaret M., and Van Stavern, Gregory P.

Subjects
LITERATURE reviews, HYDROCEPHALUS, OPTICAL coherence tomography, MAGNETIC resonance imaging, VISION disorders
Abstract

The authors review the phenomenon of third ventricular dilation causing chiasmal compression and vision loss, emphasize the need for further study given continued poor outcomes, and, in a patient case, illustrate the value of obtaining magnetic resonance imaging and nerve and macular optical coherence tomography in a patient with an unclear mechanism of vision loss. [J Pediatr Ophthalmol Strabismus. 2023;60(5):e49–e54.] [ABSTRACT FROM AUTHOR]

Published
2023
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47. Bilateral Simultaneous Nonarteritic Anterior Ischemic Optic Neuropathy: Demographics, Risk Factors, and Visual Outcomes.

Author

Chung, Jennifer E., Singaravelu, Janani, Wilson, Bradley S., Baykal, Annah P., Lee, Michael S., McClelland, Collin M., Chen, John J., Bhatti, M. Tariq, Melson, Andrew T., and Van Stavern, Gregory P.

Abstract

Background: Although nonarteritic anterior ischemic optic neuropathy is a well-known cause of vision loss, it typically presents unilaterally. Simultaneous, bilateral nonarteritic anterior ischemic optic neuropathy (sNAION) is rare and poorly studied in comparison. This study seeks to characterize the clinical features and risk factors of patients with sNAION compared with unilateral NAION (uNAION). Methods: In this retrospective case–control study, we reviewed 76 eyes (38 patients) with sNAION and 38 eyes (38 patients) with uNAION (controls) from 4 academic institutions examined between 2009 and 2020. Demographic information, medical history, medication use, symptom course, paraclinical evaluation, and visual outcomes were collected for all patients. Results: No significant differences were observed in demographics, comorbidities and their treatments, and medication usage between sNAION and uNAION patients. sNAION patients were more likely to undergo an investigative work-up with erythrocyte sedimentation rate measurement (P = 0.0061), temporal artery biopsy (P = 0.013), lumbar puncture (P = 0.013), and MRI (P < 0.0001). There were no significant differences between the 2 groups for visual acuity, mean visual field deviation, peripapillary retinal nerve fiber layer thickness, or ganglion cell-inner plexiform layer thickness at presentation, nor at final visit for those with ≥3 months of follow-up. The sNAION eyes with ≥3 months of follow-up had a smaller cup-to-disc ratio (CDR) at final visit (P = 0.033). Ten patients presented with incipient NAION, of which 9 suffered vision loss by final visit. Conclusion: Aside from CDR differences, the risk factor profile and visual outcomes of sNAION patients seem similar to those of uNAION patients, suggesting similar pathophysiology. [ABSTRACT FROM AUTHOR]

Published
2023
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