IMANAGA Naoya

写真a

Researcher Number(JSPS Kakenhi)

50866134
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Research Areas 【 display / non-display 】

  • Life Science / Ophthalmology

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  • Reply to "Comment on Clinical Factors Related to Loculation of Fluid in Central Serous Chorioretinopathy".

    Imanaga N, Koizumi H

    American journal of ophthalmology ( American Journal of Ophthalmology )  241   295   2022.09

    Type of publication: Research paper (scientific journal)

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  • Scleral Thickness in Steroid-Induced Central Serous Chorioretinopathy.

    Sawaguchi S, Terao N, Imanaga N, Wakugawa S, Tamashiro T, Yamauchi Y, Koizumi H

    Ophthalmology science   2 ( 2 ) 100124   2022.06 [ Peer Review Accepted ]

    Type of publication: Research paper (scientific journal)

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  • CILIOCHOROIDAL EFFUSION IN CENTRAL SEROUS CHORIORETINOPATHY.

    Terao N, Imanaga N, Wakugawa S, Sawaguchi S, Tamashiro T, Yamauchi Y, Koizumi H

    Retina (Philadelphia, Pa.) ( Retina )  42 ( 4 ) 730 - 737   2022.04 [ Peer Review Accepted ]

    Type of publication: Research paper (scientific journal)

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    PURPOSE: To investigate the prevalence of ciliochoroidal effusion (CE) in central serous chorioretinopathy (CSC) using anterior-segment optical coherence tomography and its association with the clinical features of CSC. METHODS: Overall, 164 eyes of 164 patients with CSC and 51 eyes of 51 age- and sex-matched normal control participants were retrospectively examined. Anterior-segment optical coherence tomography was used to assess patients with CSC and control subjects for CE and scleral thickness. Central serous chorioretinopathy eyes were divided into two groups: eyes with CE (CE group) and eyes without CE (non-CE group). Scleral thickness was measured at the point that was 6 mm posterior to the scleral spur in four directions. RESULTS: Among the 164 eyes with CSC, 32 eyes (19.5%) displayed CE, and this proportion was significantly higher than that in control subjects (2.0%) (P = 0.001). Scleral thickness was significantly greater in the CE group compared with the non-CE group at all four directions (P < 0.05 for all). Multivariable analysis revealed that the mean scleral thickness (odds ratio: 1.01; 95% confidence interval: 1.00-1.02; P = 0.007) was significantly associated with the incidence of CE. CONCLUSION: Central serous chorioretinopathy may accompany fluid accumulation in the anterior segment more frequently than previously expected in association with thick sclera.

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  • Short Axial Length Is Related to Asymmetric Vortex Veins in Central Serous Chorioretinopathy.

    Terao N, Imanaga N, Wakugawa S, Sawaguchi S, Tamashiro T, Yamauchi Y, Koizumi H

    Ophthalmology science   1 ( 4 ) 100071   2021.12 [ Peer Review Accepted ]

    Type of publication: Research paper (scientific journal)

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  • Clinical Factors Related to Loculation of Fluid in Central Serous Chorioretinopathy.

    Imanaga N, Terao N, Sawaguchi S, Tamashiro T, Wakugawa S, Yamauchi Y, Koizumi H

    American journal of ophthalmology ( American Journal of Ophthalmology )  235   197 - 203   2021.09 [ Peer Review Accepted ]

    Type of publication: Research paper (scientific journal)

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    PURPOSE: To elucidate clinical factors related to the presence of loculation of fluid (LOF) in the posterior choroid in central serous chorioretinopathy (CSC). DESIGN: Retrospective, cross-sectional study. METHODS: This single-center study included 158 eyes from 158 patients with CSC who were classified into LOF and non-LOF groups. The groups were compared for age, sex, spherical equivalent, axial length, subfoveal choroidal thickness (SCT), and scleral thickness. Using swept-source optical coherence tomography (OCT), we determined the presence of LOF based on B-scan and en face images. Scleral thickness was measured 6 mm posterior to the scleral spur in 4 directions using anterior-segment OCT. RESULTS: The 158 eyes were classified into 98 eyes in the LOF group and 60 eyes in the non-LOF group. In univariable analyses, the LOF group was younger (P = .01) and had a higher male ratio (P = .03) and greater SCT (P < .001) than the non-LOF group. All scleral thicknesses at the superior, temporal, inferior, and nasal points were greater in the LOF group than in the non-LOF group (426.2 vs 395.1 μm, 445.7 vs 414.9 μm, 459.2 vs 428.8 μm, 445.4 vs 414.3 μm, all P < .05). Multivariable analyses found that SCT (odds ratio [OR] 1.02, 95% CI 1.01-1.02, P < .001) and mean scleral thickness (OR 1.02, 95% CI 1.02-1.03, P = .002) were significantly associated with the presence of LOF. CONCLUSION: A thick choroid and thick sclera appeared to be related to the presence of LOF in CSC.

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