4.7 Article

Retinal microvasculature features in patients with Behcet's disease: a systematic review and meta-analysis

Journal

SCIENTIFIC REPORTS
Volume 12, Issue 1, Pages -

Publisher

NATURE PORTFOLIO
DOI: 10.1038/s41598-021-04730-6

Keywords

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Funding

  1. National Natural Science Foundation of China [81271025]
  2. Research Project of Hubei Provincial Health and Family Planning Commission [WJ2015MB025]
  3. Hubei Provincial Health Commission-Renmin Hospital of Wuhan University Joint Fund [LHHL2020YB-30]

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This meta-analysis found that retinal microvasculature features, including macular whole enface vessel density (VD), foveal VD, parafoveal VD, and foveal avascular zones (FAZs), were significantly different between eyes with Behcet's disease (BD) and controls. The findings suggest that optical coherence tomography angiography (OCTA) can be useful for diagnosing and monitoring BD patients.
This meta-analysis aimed to analyze retinal microvasculature features in eyes with Behcet's disease (BD) using optical coherence tomography angiography (OCTA). Electronic databases, including PubMed, Web of Science, Embase, and Cochrane Library, were comprehensively searched for published studies comparing retinal microvasculature characteristics between eyes with BD and controls. Continuous variables were calculated using the mean difference (MD) with 95% confidence interval (CI). Review Manager software (version 5.30) was used to conduct statistical analysis. A total of 13 eligible studies involving 599 eyes with BD and 622 control eyes were included in the meta-analysis. The pooled results showed that the macular whole enface superficial and deep vessel density (VD) values measured by OCTA were significantly lower in eyes with BD than in control eyes (superficial VD: MD = - 3.05, P < 0.00001; deep VD: MD = - 4.05, P = 0.0004). The foveal superficial and deep VD values were also significantly lower in the BD group than in the control group (superficial VD: MD = - 1.50, P = 0.009; deep VD: MD = - 4.25, - = 0.03). Similarly, the analysis revealed a significant reduction in the parafoveal superficial and deep VD in eyes with BD than in control eyes (superficial VD: MD = - 3.68, P < 0.00001; deep VD: MD = - 4.95, P = 0.0007). In addition, the superficial and deep foveal avascular zones (FAZs) were significantly larger in patients with BD than in controls (superficial FAZ: MD = 0.06, P = 0.02; deep FAZ: MD = 0.12, P = 0.03). The present meta-analysis found that macular whole enface VD, foveal VD, and parafoveal VD were lower in eyes with BD, and the FAZ was larger in patients with BD. The findings suggest that OCTA can assist clinicians in diagnosing and monitoring the status of patients with BD.

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