Clinical ophthalmology (Auckland, N.Z.) · 2020
Choroidal Thickness and microRNA146 in Lupus Nephritis Patients.
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Hassan Salah Shaymaa, Makled Hebatalla Samir, ElMekawey Hany, Elgengehy Fatema T, Medhat Basma M, Abdel Baki Noha M, Koptan Dina
Аннотация
PURPOSE: To evaluate the choroidal thickness (CT) in the macular area in patients with lupus nephritis and to compare the results with both non-nephritic patients and normal control. To assess the relation of CT to serum microRNA146, disease duration, activity index, and medications.
PATIENTS AND METHODS: Thirty-five SLE patients and thirty normal healthy controls were enrolled for this cross-sectional prospective study. All participants have undergone optical coherence tomography using RTVue OCT (Optovue Inc., Fremont, CA, USA). The scan used was the macular cross 6-mm line. We measured CT from the posterior edge of the retinal pigment epithelium (RPE) to the choroid-sclera junction at subfovea, and 750 µm both temporal and nasal to the fovea.
RESULTS: The mean central subfoveal CT in patients was 275.7 ± 41.0 µm (214-374 µm), and the mean central subfoveal CT in the control group was 364.5± 23.0 µm (323-411µm). There was a significant thinning at all three points in patients compared to the control group (p<0.001, Mann-Whitney U-test). In the patients group, subfoveal choroid in non-nephritic subgroup showed significant thinning compared to nephritic subgroup (p=0.032, Mann-Whitney U-test). Drusen-like deposits (DLDs) were detected in 22.9% (8/35) of patients and none in control (p=.023). MiRNA146 showed a significant positive correlation with nephritic lupus patients (r=0.036, P=0.04).
CONCLUSION: The choroidal thickness was significantly thicker among the nephritic lupus patients as compared to the non-nephritic subgroup. Both SLE patients' subgroups are thinner than normal control. Subfoveal choroidal thickening can be considered a biomarker in nephritic lupus especially in conjunction with an increase in miRNA146a. All SLE patients are at risk of small Drusen-like deposits.
PATIENTS AND METHODS: Thirty-five SLE patients and thirty normal healthy controls were enrolled for this cross-sectional prospective study. All participants have undergone optical coherence tomography using RTVue OCT (Optovue Inc., Fremont, CA, USA). The scan used was the macular cross 6-mm line. We measured CT from the posterior edge of the retinal pigment epithelium (RPE) to the choroid-sclera junction at subfovea, and 750 µm both temporal and nasal to the fovea.
RESULTS: The mean central subfoveal CT in patients was 275.7 ± 41.0 µm (214-374 µm), and the mean central subfoveal CT in the control group was 364.5± 23.0 µm (323-411µm). There was a significant thinning at all three points in patients compared to the control group (p<0.001, Mann-Whitney U-test). In the patients group, subfoveal choroid in non-nephritic subgroup showed significant thinning compared to nephritic subgroup (p=0.032, Mann-Whitney U-test). Drusen-like deposits (DLDs) were detected in 22.9% (8/35) of patients and none in control (p=.023). MiRNA146 showed a significant positive correlation with nephritic lupus patients (r=0.036, P=0.04).
CONCLUSION: The choroidal thickness was significantly thicker among the nephritic lupus patients as compared to the non-nephritic subgroup. Both SLE patients' subgroups are thinner than normal control. Subfoveal choroidal thickening can be considered a biomarker in nephritic lupus especially in conjunction with an increase in miRNA146a. All SLE patients are at risk of small Drusen-like deposits.