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International Ophthalmology

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01-03-2019 | Original Paper

Retrobulbar and intraocular blood flow in anterior ischaemic optic neuropathy are linked to the functional impairment

Authors: David Kuerten, Matthias Fuest, Marion Bienert, Niklas Plange

Published in: International Ophthalmology | Issue 3/2019

Abstract

Purpose

Evaluation of ocular haemodynamics in patients with acute non-arteritic anterior ischaemic optic neuropathy (NAION) by colour Doppler imaging and fluorescein angiography and correlation of blood flow parameters to visual field loss and visual acuity.

Methods

Blood flow velocities (peak systolic velocity (PSV), end-diastolic velocity (EDV)) of the ophthalmic artery (OA), central retinal artery (CRA) and nasal and temporal posterior ciliary arteries (PCAs) were measured via colour Doppler imaging. Resistive index (RI) of all vessels was calculated (PSV-EDV/PSV). Retinal arteriovenous passage times (AVP) were evaluated using fluorescein angiography (scanning laser ophthalmoscope) and digital image analysis. The visual field global index mean deviation (MD, 30-2 programme, Humphrey Field Analyzer) and visual acuity (logMar) was used for analysis of functional impairment after NAION.

Results

Twenty patients (age: 64.62 ± 11.63 years) with acute NAION were included. Mean duration of symptoms was 7.6 ± 6.9 days. Mean defect was 15.4 ± 8.9 dB, AVP was determined with 1.66 ± 0.37 s. EDV of the CRA was significantly correlated to visual field MD (r = 0.52, p = 0.017) and AVP (r = − 0.49, p = 0.025). The RI of the OA was significantly correlated to visual acuity (r = 0.493, p < 0.037). No significant correlations were recorded for the PCAs. A significant correlation was found between AVP and the EDV of the CRA (r = − 0.49, p = 0.025).

Conclusion

Decreased EDV in the CRA and increased RI in the OA seem to be linked to the functional damage in NAION. An improvement of the retrobulbar circulation might be beneficial in the treatment of NAION.

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Title: Retrobulbar and intraocular blood flow in anterior ischaemic optic neuropathy are linked to the functional impairment
Authors: David Kuerten
Matthias Fuest
Marion Bienert
Niklas Plange
Publication date: 01-03-2019
Publisher: Springer Netherlands
Published in: International Ophthalmology / Issue 3/2019
Print ISSN: 0165-5701
Electronic ISSN: 1573-2630
DOI: https://doi.org/10.1007/s10792-018-0846-x

2024 ASCO Annual Meeting

Springer Medicine

Retrobulbar and intraocular blood flow in anterior ischaemic optic neuropathy are linked to the functional impairment

Abstract

Purpose

Methods

Results

Conclusion

2024 ASCO Annual Meeting

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusion

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