Microsurgical observation of the posterior vitreous in patients with vitreous hemorrhage caused by Terson syndrome

To describe features characteristic of vitreous hemorrhage in patients with Terson syndrome observed through a microsurgical scope. Between May 2015 and February 2019, 12 eyes of 10 patients with vitreous hemorrhage occurring after subarachnoid hemorrhage (SAH) underwent pars plana vitrectomy. Durin...

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Bibliographic Details
Published in:American journal of ophthalmology case reports 2020-03, Vol.17, p.100613-100613, Article 100613
Main Authors: Hanai, Kaori, Hashimoto, Masato, Sasaki, Masako, Nakamura, Hirohiko
Format: Article
Language:English
Subjects:
Brief report
Posterior precortical vitreous pocket
Posterior vitreous detachment
Subarachnoid hemorrhage
Terson syndrome
Vitreous hemorrhage
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Summary:To describe features characteristic of vitreous hemorrhage in patients with Terson syndrome observed through a microsurgical scope. Between May 2015 and February 2019, 12 eyes of 10 patients with vitreous hemorrhage occurring after subarachnoid hemorrhage (SAH) underwent pars plana vitrectomy. During vitreous surgery, we found 10 of 12 eyes did not have posterior vitreous detachment (PVD). Furthermore, we observed in 9 of the 10 eyes without PVD (90.0%) that there was no hemorrhage in the posterior vitreous cavity at the posterior pole while we removed vitreous hemorrhage. We confirmed that this clean space could be the posterior precortical vitreous pocket (PPVP). Terson syndrome may have no hemorrhage in the PPVP regardless of the presence of severe vitreous hemorrhage. The cases presented in our study may suggest one of the mechanisms of Terson syndrome.
ISSN:2451-9936
2451-9936
DOI:10.1016/j.ajoc.2020.100613