Publications by authors named "Yutaka Shimoe"

Aim: This study aimed to evaluate the effectiveness of oral health assessment tools in facilitating oral health care interventions by dental care providers for acute stroke patients within 48 h of admission, following a reform of the nursing system.

Methods: Data were gathered from a retrospective cohort study conducted at a stroke center, comparing 10 months before and after the implementation of the reformed system, with a 2-month interval. Parameters assessed included stroke type, severity measured using the National Institutes of Health Stroke Scale, stroke history, stroke-related factors, number of teeth, hospitalization cost and duration, occurrence of fever and pneumonia, stroke treatment, days from admission to dental intervention, and intervention frequency.

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There is no conclusive evidence regarding a causal relationship between periodontitis and atherosclerosis. In this study, we examined the microbiome in the oral cavity and atheromatous plaques from atherosclerosis patients with or without periodontitis to investigate the role of oral bacteria in the formation of atheromatous plaques. We chose four patients with and without periodontitis, who had undergone carotid endarterectomy.

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We report a case of acute prevertebral abscess caused by traumatic tooth fractures in a 77-year-old Japanese man. After being transferred to our hospital the patient was initially diagnosed with a neck hematoma; however, blood culture showed Streptococcus parasanguinis, an oral bacterium, and an MRI examination suggested prevertebral abscesses. Tooth fractures, severe periodontitis, and peri-implantitis with Streptococcus parasanguinis were observed.

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Background And Purpose: The influence of a weather front passage is rarely evaluated on stroke events. We hypothesized that a weather front passage on the stroke onset day or during the previous days may play an important role in the incidence of stroke.

Methods: A multicenter retrospective study was conducted to evaluate the frequency of stroke events and their interaction with weather front passages.

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A 44-year-old female developed acute hepatitis A (HA) 5 weeks after ingesting raw oysters. She developed ascending motor weakness, bilateral peripheral facial nerve palsy, and bulbar symptoms. A diagnosis of demyelinating Guillain-Barré syndrome (GBS) was made on the basis of her clinical manifestations and the results of a nerve conduction study.

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A 70-year-old right-handed man noticed that the right side of the screen on his television displayed a time lag compared to the other side. For five days before admission, he had characteristic polyopia, visual photopia, and complex hallucination. Upon neurological examination, he showed no abnormal findings except for right homonymous hemianopia.

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A 28-year-old man noticed sensory disturbance in the distal parts of his four extremities and muscle weakness of his hands two weeks after cytomegalovirus (CMV) infection. He had splenomegaly, impairment of hepatic function and peripheral neuropathy with decreased tendon reflexes. Protein-cell dissociation was observed in the cerebrospinal fluid, and the nerve conduction study (NCS) showed the changes due to demyelination.

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This study reports eleven cases of reversible cerebral vasospasm syndrome (RCVS). Of the 11 patients, two were males and nine were females, with the average age of 47.9 ± 14.

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A 32-year-old woman showed transient central type facial nerve palsy and bulbar symptoms. Brain MRI revealed high intensity signals in the cerebral white matter, splenium of corpus callosum, and posterior limb of internal capsule. Two elder brothers of the patient had distal dominant peripheral neuropathies in four limbs.

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A 75-year-old man having dementia and lifestyle related diseases developed a lobar intracerebral hemorrhage (LICH) in the left parietal and a small cerebellar infarction in the left occipital lobe. Many micro bleeds (MB) due to cerebral amyloid angiopathy (CAA) in the subcortical areas and multiple vascular stenosis were also found by MRI and MRA. He developed herpes zoster in his buttocks on day 6 of hospitalization and complicated with varicella zoster virus (VZV) meningitis with positive for VZV-DNA in the cerebrospinal fluid.

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A 55-year-old man with no history of stroke or migraine presented to the clinic with cognitive impairment and depression that had been experiencing for two years. Neurological examination showed bilateral pyramidal signs, and impairments in cognition and attention. Brain MRI revealed multiple lacunar lesions and microbleeds in the deep cerebral white matter, subcortical regions, and brainstem, as well as diffuse white matter hyperintensities without anterior temporal pole involvement.

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We treated 437 cases of adult aseptic meningitis and 12 cases (including 2 recurrent patients; age, 31.8 ± 8.9 years; 7 females) of herpes simplex meningitis from 2004 to 2016.

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Background: Serum 1,5-anhydroglucitol (1,5-AG) levels are a measure that provides information on daily glycemic variations. We evaluated whether 1,5-AG could be a possible marker of acute ischemic stroke (AIS) or transient ischemic attacks (TIA) in patients with diabetes mellitus (DM).

Methods: We retrospectively reviewed electronic medical records of 5,294 AIS/TIA patients.

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A 64-year-old woman was admitted to our hospital owing to decreased visual acuity and visual field defect. She had a similar history of decreased visual acuity and received steroid therapy 10 years ago. Brain MRI revealed gadolinium-enhancement in the sheath of the optic nerve, called "tram-track" and "doughnut" signs.

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A 69-year-old man was admitted to our hospital because of disturbed consciousness and gait disturbance. He had herpes zoster (HZ) in his left thigh 10 days before admission, and motor paresis of four extremities developed. A dark red rash was observed in his left buttock and thigh (L2-3 region), which was also scattered in the right lower leg, chest wall, and both upper extremities.

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We treated 11 cases (52.7 ± 14.9 years, all male) with varicella zoster virus (VZV) meningitis and 437 cases with adult aseptic meningitis from 2004 to 2016.

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A 45-year-old right-handed man with a past history (10 years) of putaminal hemorrage presented with auditory agnosia associated with left putaminal hemorrhage. It was suspected that the auditory agnosia was due to bilateral damage in the acoustic radiations. Generalized auditory agnosia, verbal and non-verbal (music and environmental), was diagnosed by neuropsychological examinations.

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Background: The etiology of transient global amnesia (TGA) remains unclear. We studied the pathophysiology of TGA in 165 Japanese patients.

Subjects And Methods: TGA was diagnosed in hospitalized patients from 2004 to 2015.

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We hypothesized that meteorological conditions on the onset day and conditions on the former days may play important roles in the modulation of physical conditions. Associations of meteorological factors and their changes in former days with stroke onset are of interest. We conducted a multicenter retrospective study to evaluate the frequency of stroke events and their interaction with meteorological conditions and their daily changes.

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A 65-year-old man had a transient amnesia for about 3 hours. Similar symptoms appeared three years ago. He did not manifest dementia, cerebellar ataxia and involuntary movements.

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A 57-year-old right-handed man was admitted to our hospital because of right facial paresis and acute-onset dysarthria. He presented with non-fluent aphasia. His aphasia gradually improved, but he started speaking with a strange accent and intonation from the fifth hospital day.

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Aim: Both the ankle brachial index (ABI) and brachial-ankle pulse wave velocity (baPWV) are surrogates for atherosclerosis. In this study, we aimed to evaluate the ability of ABI and baPWV to predict stroke outcome in patients with first-ever non-cardioembolic stroke.

Methods: This study included consecutive patients with first-ever non-cardioembolic stroke admitted within 1 week after onset to Ota Memorial Hospital between January 2011 and December 2013.

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Background: Underweight patients have recently been reported as a group with a high risk of poststroke death. Anemia also increases mortality rates in stroke patients. However, the causal associations between body weight and anemia resulting in stroke-related death remain unclear.

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A 63-year-old man noticed hypogeusia after presenting hiccups for several days. He was serologically diagnosed with varicella-zoster virus (VZV) infection, but had no skin lesions typical of herpes (zoster sine herpete). Hypogeusia was confirmed by electrogustometry and the filter-paper disk method, which showed damage in the areas innervated by the cord of tympanum, glossopharyngeal nerve, and greater petrosal nerve.

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