Keiichi Nishikawa
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Explore the profile of Keiichi Nishikawa including associated specialties, affiliations and a list of published articles.
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30
Citations
157
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Recent Articles
1.
Nishikawa K, Murakami T, Yoshida M, Terada N, Ishihara K, Mori Y, et al.
Diabetes
. 2024 Dec;
74(3):409-415.
PMID: 39715576
Article Highlights: A therapeutic strategy for retinal pigment epithelium degeneration should be developed in diabetic retinopathy. We investigated the molecular mechanisms underpinning retinal pigment epithelium degeneration by extracellular mitochondria in...
2.
Yoshida M, Murakami T, Nishikawa K, Ishihara K, Mori Y, Tsujikawa A
Ophthalmol Sci
. 2024 Oct;
5(1):100603.
PMID: 39386056
Purpose: To evaluate the severity scales of diabetic macular ischemia (DMI) by analyzing the quantity and distribution of capillary nonperfusion using OCT angiography (OCTA) images. Design: A single-center, prospective case...
3.
Terada N, Murakami T, Ishihara K, Nishikawa K, Kawai K, Tsujikawa A
Sci Rep
. 2023 Oct;
13(1):17884.
PMID: 37857682
Morphological changes in capillaries are one of major clinical signs in diabetic retinopathy (DR). In this study, we quantified the dilated deep capillaries on optical coherence tomography angiography (OCTA) images....
4.
Inference of Capillary Nonperfusion Progression on Widefield OCT Angiography in Diabetic Retinopathy
Yoshida M, Murakami T, Kawai K, Nishikawa K, Ishihara K, Mori Y, et al.
Invest Ophthalmol Vis Sci
. 2023 Oct;
64(13):24.
PMID: 37847225
Purpose: The purpose of this study was to explore the spatial patterns of the nonperfusion areas (NPAs) on widefield optical coherence tomography angiography (OCTA) images in diabetic retinopathy (DR) and...
5.
Murakami T, Ishihara K, Terada N, Nishikawa K, Kawai K, Tsujikawa A
Medicina (Kaunas)
. 2023 May;
59(5).
PMID: 37241128
Diabetic retinopathy is a form of diabetic microangiopathy, and vascular hyperpermeability in the macula leads to retinal thickening and concomitant reduction of visual acuity in diabetic macular edema (DME). In...
6.
Yasuda T, Maeda K, Ogoshi D, Kanesaki M, Takano H, Nishikawa K
Radiol Phys Technol
. 2023 Apr;
16(2):325-337.
PMID: 37097551
The Japan Association of Radiological Technologists (JART) and the Japan Medical Imaging and Radiological Systems Industries Association jointly conducted a nationwide survey to reveal the current situation of diagnostic displays...
7.
Kawai K, Murakami T, Mori Y, Ishihara K, Dodo Y, Terada N, et al.
Ophthalmol Sci
. 2022 Dec;
3(1):100241.
PMID: 36545265
Purpose: To investigate the distribution of clinically significant nonperfusion areas (NPAs) on widefield OCT angiography (OCTA) images in patients with diabetes. Design: Prospective, cross-sectional, observational study. Participants: One hundred and...
8.
Terada N, Murakami T, Ishihara K, Dodo Y, Nishikawa K, Kawai K, et al.
Invest Ophthalmol Vis Sci
. 2022 Nov;
63(12):4.
PMID: 36322066
Purpose: To investigate the clinical significance of intercapillary spaces on swept source optical coherence tomography angiography images in diabetic retinopathy. Methods: We retrospectively reviewed 110 eyes of 110 patients suffering...
9.
Nishikawa K, Murakami T, Ishihara K, Dodo Y, Terada N, Morino K, et al.
Jpn J Ophthalmol
. 2022 Apr;
66(3):296-304.
PMID: 35438397
Purpose: To investigate the predictors of annual treatment frequency in the second year of pro re nata (PRN) intravitreal ranibizumab (IVR) injections for diabetic macular edema (DME). Study Design: A...
10.
Terada N, Murakami T, Uji A, Ishihara K, Dodo Y, Nishikawa K, et al.
Sci Rep
. 2022 Feb;
12(1):3089.
PMID: 35197526
Microcirculatory disturbance plays a pivotal role in the pathogenesis in diabetic retinopathy (DR). We retrospectively quantified the total counts and morphological features of intercapillary spaces, i.e., intercapillary areas and nonperfusion...