Publications by authors named "Yasuo Toda"

Background: Contemporary thrombolytics in acute ischemic stroke are limited to administration within 4.5 hours of last known normal. JX10 (formerly TMS-007), a triprenyl phenol family member, may extend this therapeutic window.

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Background: Sleep disturbance in Alzheimer's disease (AD) patients may have a negative impact not only on patients themselves but also on the physical and mental health of their caregivers. Detailed analysis of these issues is lacking.

Objective: This study investigated the association between sleep disturbance in AD patients and the burden on, and health status of, their caregivers in Japan.

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Background: Deep cerebral venous thrombosis with reversible MRI findings in bilateral thalamus have been scarcely described in the literature, but none mentioned the SPECT findings such as in our case.

Case Description: A 43-year-old woman presented with cerebral venous thrombosis accompanied with malignant glioma. T(2)- and diffusion-weighted MRI showed high intensity with a mass lesion in the left frontal lobe and mild high and high intensity in the right frontal lobe, parietal lobe, and bilateral thalamus.

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Iohexol (Omnipaque) is a non-ionic contrast media for neuroradiology, which causes the neurological complications on rare occasions. A 63-year-old, righthanded female suffered from dysphemia 12 hours after myelography with iohexol via lumbar puncture. The initial cerebral computed tomography scan revealed the generalized contrast media uptake into the cisterns, which was typical to the finding after intrathecal iohexol injection.

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Background: Patients with severe cerebral ischemia may lose autoregulation to increase cerebral blood flow following neural activity. Although the steal phenomenon under conventional cerebral blood flow study has been known as a high-risk factor for stroke, the cerebral oxygen hemodynamics in ischemic patients during functional activation has not been thoroughly investigated. In this study, we present rare cases with intracortical steal phenomenon during motor tasks detected by multichannel functional near-infrared spectroscopy before and after surgery.

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