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Hemodynamic evaluation of the posterior ciliary circulation in exfoliation syndrome and exfoliation glaucoma

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Abstract

Background

Previous studies have reported impaired blood flow in the ophthalmic artery (OA) and central retinal artery (CRA) in exfoliation syndrome and exfloliation glaucoma. This study evaluates blood flow at the long and short posterior ciliary arteries (LPCA and SPCA, respectively) in these conditions.

Methods

Consecutively examined candidates for cataract surgery were included. Only one eye (OD) was included in the analyses for consistency. Patients were classified into non-glaucoma and non-exfoliation (controls), primary open angle glaucoma (POAG), exfoliation syndrome and exfoliation glaucoma groups, based on the findings of the OD. Sixty-eight patients (41 males, 60.3%) were included. Color Doppler imaging (CDI) of the nasal and temporal branches of LPCA and SPCA was performed using a 7.5 Mhz probe. The peak systolic velocity (PSV), end diastolic velocity (EDV) and resistivity index (RI) were recorded for the examined vessels.

Results

EDV at the LPCA was significantly lower in exfoliation syndrome and glaucoma, compared with controls and POAG respectively. EDV was significantly lower and RI was significantly higher at the SPCA in exfoliation glaucoma, compared with exfoliation, whereas respective differences were statistically not significant between controls and POAG.

Conclusions

The hemodynamic impairment at the LPCA in exfoliation syndrome and glaucoma supports an association between exfoliation and ischemic stress at the anterior ocular segment.

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Authors and Affiliations

  1. Department of Ophthalmology, Democritus University of Thrace, Alexandroupolis, Greece

    Efstathios T. Detorakis, Athanassios K. Achtaropoulos, Eleni E. Drakonaki & Vassilios P. Kozobolis

  2. University Hospital of Alexandroupolis, 68 100 Dragana, Alexandroupolis, Thrace, Greece

    Efstathios T. Detorakis

  3. Eye Institute of Thrace (EIT), Alexandroupolis, Greece

    Efstathios T. Detorakis, Athanassios K. Achtaropoulos, Eleni E. Drakonaki & Vassilios P. Kozobolis

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  1. Efstathios T. Detorakis
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  2. Athanassios K. Achtaropoulos
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  3. Eleni E. Drakonaki
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  4. Vassilios P. Kozobolis
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Correspondence to Efstathios T. Detorakis.

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Detorakis, E.T., Achtaropoulos, A.K., Drakonaki, E.E. et al. Hemodynamic evaluation of the posterior ciliary circulation in exfoliation syndrome and exfoliation glaucoma. Graefe's Arch Clin Exp Ophthalmol 245, 516–521 (2007). https://doi.org/10.1007/s00417-006-0439-7

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  • DOI: https://doi.org/10.1007/s00417-006-0439-7

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