Damage to the Blood-Aqueous Barrier in Ocular Blunt Trauma and Its Association with Intraocular Pressure Elevation.

Abstract:

BACKGROUND:The aim of this study is to provide a quantitative evaluation of the blood-aqueous barrier (BAB) in patients with ocular blunt trauma and evaluate its association with intraocular pressure (IOP) elevation. METHODS:This is a prospective case-control study, and the following 3 groups were included: elevated IOP (45 patients with an elevated IOP secondary to ocular blunt trauma), normal IOP (27 patients with a normal IOP after ocular blunt trauma), and healthy controls. The main outcome measures were IOP and BAB function evaluated using a laser flare-cell meter (LFCM). RESULTS:Patients had significantly higher flare intensities and cell counts than the normal controls (both p < 0.001), and the elevated-IOP group displayed even higher LFCM readings than the normal-IOP group. Aqueous flare and cell readings were positively correlated with IOP (r = 0.529 and 0.590, respectively, p < 0.001). LFCM readings in the elevated-IOP group were still significantly high even on postraumatic day 120 following anti-inflammatory treatment. CONCLUSION:BAB dysfunction occurred following ocular blunt trauma. Eyes with an elevated IOP displayed a more seriously disturbed BAB and a longer recovery course. Examination with a LFCM provides insight into the pathophysiology of IOP elevation and assists in making decisions concerning anti-inflammatory treatment during follow-up.

journal_name

Ophthalmic Res

journal_title

Ophthalmic research

authors

Mao Z,Chen XB,Zhong YM,Guo XX,Liu X

doi

10.1159/000445352

subject

Has Abstract

pub_date

2016-07-01 00:00:00

pages

92-7

issue

2

eissn

0030-3747

issn

1423-0259

pii

000445352

journal_volume

56

pub_type

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