Publications by authors named "Yuki Takenaka"

Purpose: This study aimed to investigate the clinical characteristics, diagnostic markers, and treatment outcomes of varicella-zoster virus-associated anterior uveitis (VZV-AU) with and without ophthalmic herpes zoster (herpes zoster ophthalmicus (HZO) and zoster sine herpete (ZSH), respectively).

Methods: Clinical records of 47 VZV-AU patients (21 ZSH, 26 hZO) were retrospectively reviewed for clinical findings, medication use, and PCR using aqueous humor (AH) results.

Results: There was no significant difference in age, gender, visual acuity (VA), or intraocular pressure (IOP) between the two groups.

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  • Proliferative diabetic retinopathy (PDR) is a serious eye condition related to diabetes that threatens vision; this study investigates how AC flare and levels of cytokines, especially IL-8, relate to PDR.
  • In a study of 19 PDR patients compared to 19 control patients, researchers found a positive correlation between AC flare and IL-8 levels in both aqueous humor and vitreous fluid.
  • IL-8 levels in the aqueous humor were identified as key predictors for complications like diabetic macular edema (DME) and vitreous hemorrhage (VH), with specific cut-off values established for clinical relevance.
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The pandemic of COVID-19 caused by the SARS-CoV-2 virus is ongoing and a serious menace to global public health. An ocular manifestation is an initial sign of the infection. To date, a comprehensive immune profile of patients with mild COVID-19 has not been well developed.

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  • A multicenter survey in Japan studied visually impaired patients with diabetes mellitus to identify factors leading to blindness.
  • The research involved 408 patients, revealing that younger individuals (72.1% under 70) were significantly impacted and highlighting the prevalence of severe eye conditions in the blind group, such as neovascular glaucoma and proliferative diabetic retinopathy.
  • Findings underscore the need for regular eye exams and proper treatment to monitor and manage diabetic retinopathy effectively.
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We observed liver failure with a presumed etiology of echinococcosis in an 89-year-old woman. Our patient had been born and then resided on Rebun Island until she was 12 years old. At 46 years old, she had been referred to our hospital due to right abdominal pain.

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The relationship between long-term intensive training and brain plasticity in gymnasts has recently been reported. However, the relationship between abilities in different gymnastic events and brain structural changes has not been explored. This study aimed to evaluate the correlation between world-class gymnasts (WCGs)' specific abilities in different gymnastics events and their gray matter (GM) volume.

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Extensive gray matter (GM) involvement has been demonstrated in multiple sclerosis (MS) patients. This study was aimed to identify GM alterations in relapsing-remitting MS (RRMS) patients using synthetic quantitative MRI (qMRI). We assessed myelin volume fraction (MVF) in each voxel on the basis of R1 and R2 relaxation rates and proton density in 14 early and 28 late (disease duration ≤5 and >5 years, respectively) RRMS patients, and 15 healthy controls (HCs).

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