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Impaired systemic vascular endothelial function in patients with non-arteritic anterior ischaemic optic neuropathy

Abstract

Purpose

The purpose of this study was to evaluate systemic endothelial function in elderly hypertension patients with non-arteritic anterior ischaemic optic neuropathy (NAION) by using a noninvasive physiological method: endothelium-dependent, flow-mediated vasodilation (FMD).

Methods

Forty-two systemic hypertension patients with NAION (NAION group), 64 age- and sex-matched patients with systemic hypertension and no other ocular disease (hypertension group), and 100 age- and sex-matched healthy volunteers (normal group) were enrolled. FMD was evaluated using a high-resolution ultrasonography. Traditional cardiovascular risk factors and vascular parameters were measured.

Results

Systolic blood pressure and diastolic blood pressure were significantly higher in patients with NAION compared with the control groups (p < 0.001). The FMD decreased significantly in the NAION group (6.02 ± 1.87 %) compared to in the hypertension group (7.86 ± 2.94 %, p < 0.001) and the normal group (8.99 ± 2.44 %, p < 0.001). By multivariable logistic regression analysis, FMD was significantly associated with NAION (OR, 1.79; 95%CI, 1.67–2.01).

Conclusions

NAION may be associated with systemic vascular endothelial dysfunction. FMD might be useful in the treatment monitoring of NAION.

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Correspondence to Wenhui Zhu.

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Funding

The Department of Science and Technology of Guangdong Province provided financial support in the form of 2014A020212578 funding. The sponsor had no role in the design or conduct of this research.

Conflict of interest

All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers' bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements), or non-financial interest (such as personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.

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Yao, F., Wan, P., Su, Y. et al. Impaired systemic vascular endothelial function in patients with non-arteritic anterior ischaemic optic neuropathy. Graefes Arch Clin Exp Ophthalmol 254, 977–981 (2016). https://doi.org/10.1007/s00417-015-3212-y

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  • DOI: https://doi.org/10.1007/s00417-015-3212-y

Keywords

  • Non-arteritic anterior ischaemic optic neuropathy
  • Endothelial function
  • Nitric oxide
  • Vasodilation
  • Doppler sonography