Publications by authors named "Reiji Koide"

Atrial switch procedures such as the Mustard operation were previously popular for the complete transposition of the great arteries (i.e. dextro-transposition of the great arteries [d-TGA]).

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Article Synopsis
  • The study aimed to assess how the COVID-19 pandemic affected hospitalizations for neurological conditions and complications related to the virus and vaccinations.
  • Researchers analyzed data from neurology patients over three periods: before the pandemic, during the pandemic before vaccines, and during the pandemic after vaccines, classifying diseases into nine subgroups.
  • Findings showed significant changes in patient characteristics during the pandemic, with notable increases in psychological and unknown cases, as well as diverse neurological complications following vaccinations.
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Some neurological complications are associated with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). A 74-year-old man was diagnosed with infection by SARS-CoV-2. Eighteen days after SARS-CoV-2 infection, he developed disturbed consciousness and aseptic meningoencephalitis.

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Background: While many studies focus on the prognosis of individual neurological diseases, very few comprehensively compare and analyze real-world data of these diseases.

Objective: To address this gap in knowledge, in this study, we comprehensively analyzed the real-life data of patients with neurological diseases.

Methods: We prospectively enrolled patients with neurological diseases at three hospitals from December 1, 2016 to September 30, 2020.

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Objectives: The coronavirus disease 2019 pandemic significantly affected Japanese society and the health of its population. Despite this, few studies have evaluated the influence of the pandemic on patients with neurological diseases or dementia, which we assessed through the Tochigi Dementia Cohort Study.

Methods: Participants were divided into two groups.

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Background: Valproic acid is associated with increased risks of tremor and parkinsonism.

Case Report: A 67-year-old man with a diagnosis of epilepsy who had been treated with valproic acid (VPA) for 32 years noticed right-dominant upper-limb resting tremor accompanied by mild rigidity and bradykinesia. He was initially diagnosed with tremor-dominant Parkinson's disease (TDPD), but dopamine transporter single-photon emission computed tomography demonstrated no nigrostriatal degeneration.

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Background: The relationship between transesophageal echocardiography findings and cognitive function.

Objective: This study aimed to establish an association between transesophageal echocardiography findings and cognitive function in stroke survivors.

Methods: A single-center study was conducted between April 1, 2017 and March 31, 2022.

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Background: It is important to gauge mortality in real time following an ischemic stroke. However, there is limited in-hospital and post-discharge clinical data that focuses on the real-time prognosis of acute ischemic strokes.

Purpose: To comprehensively analyze ischemic stroke mortality during a hospital stay and 1 year after the onset of a stroke.

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Recent reports suggest that can cause infective endocarditis (IE). However, no data are available regarding infectious intracranial aneurysm (IIA) following endocarditis. Endovascular coiling is a challenging approach for the treatment of IIA.

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We herein report a 70-year-old man diagnosed with IgG4-related hypertrophic pachymeningitis with skull base involvement, who presented with isolated glossopharyngeal and vagus nerve palsy. Contrast-enhanced magnetic resonance imaging (MRI) showed enhanced dural thickening of the posterior clivus and skull base involvement. When a patient with hypertrophic pachymeningitis presents with isolated cranial neuropathy without systemic manifestations or definite MRI abnormalities, it is difficult to make a diagnosis, and the patient may be misdiagnosed.

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Background And Purpose: Multiple embolic sources are sometimes observed simultaneously in patients with embolic stroke. The present study investigated the effects of coexisting aortic arch atheroma ≥ 4 mm thick and atrial fibrillation (AF) on short-term stroke recurrence and functional outcome.

Methods: Transesophageal echocardiography (TEE) was performed in consecutive embolic stroke patients, and 395 patients were classified into 4 groups according to the presence of aortic arch atheroma ≥ 4 mm thick and AF: AF - /ARCH - group, AF + /ARCH - group, AF - /ARCH + group, and AF + /ARCH + group.

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Article Synopsis
  • - The study investigates the relationship between venous reflux and Alzheimer's Disease (AD) to create a new screening method.
  • - Utilizing carotid ultrasonography, researchers analyzed factors like spontaneous echo contrast and blood flow velocities in the internal jugular vein of 112 patients, 26 of whom had AD.
  • - Findings reveal that spontaneous echo contrast in the internal jugular vein strongly predicts AD, demonstrating high sensitivity and negative predictive value, suggesting this could be a convenient screening method for AD.
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Primary central nervous system lymphoma (PCNSL) is a rare form of non-Hodgkin lymphoma, but its diagnosis is challenging in some cases. A brain biopsy is the gold standard for diagnosing PCNSL, but its invasiveness can be problematic. Thus, noninvasive imaging examinations have been developed for the pre-surgical diagnosis of PCNSL, including gadolinium-enhanced magnetic resonance imaging (MRI), I-N-isopropyl-p-iodoamphetamine single-photon emission computed tomography (I-IMP SPECT), and positron emission tomography with F-fluorodeoxyglucose (F-FDG PET).

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Background: Although the relationship between amyotrophic lateral sclerosis (ALS) and cervical spondylotic myelopathy (CSM) is important, data relating to CSM complications in ALS remain lacking.

Purpose: We aimed to investigate and validate the spinal cord conditions of ALS patients.

Materials And Methods: We recruited all patients diagnosed with ALS, Parkinson's disease (PD), or chronic inflammatory demyelinating polyneuropathy (CIDP) who were admitted to our department from April 1, 2017, to March 31, 2020.

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Cardiac involvement has recently been the focus of sporadic late-onset nemaline myopathy (SLONM). However, right ventricular failure and pulmonary hypertension, in addition to repetitive cardiac arrest, are noteworthy characteristics of SLONM. We herein report a 66-year-old woman with SLONM whose main symptoms were cardiac arrest, right ventricular failure, and pulmonary hypertension.

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Aim: Aortic arch atherosclerosis, particularly complex aortic arch plaques (CAPs), is an important source of cerebral emboli. CAPs and atrial fibrillation (AF) often co-exist; however, the prevalence and risk of CAPs in acute ischemic stroke patients with AF is unclear.

Methods: In patients with acute ischemic stroke with non-valvular AF admitted to Jichi Medical University Hospital during April 2016 to September 2019, we retrospectively evaluated the presence of CAPs on transesophageal echocardiography (TEE).

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The treatment of ischemic stroke has recently witnessed dramatic developments. However, there are limited data on ischemic stroke characteristics in aged patients. As part of the South Tochigi Acute Ischemic Stroke Registry, we prospectively enrolled 636 consecutive acute ischemic stroke patients (within 7 days after the onset) who were ≥ 60 years of age and who were admitted to two independent institutes from April 1, 2016 to February 28, 2019.

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Objectives: Magnetic resonance angiography (MRA), three-dimensional computed tomography angiography, and cerebral angiography may be used to assess intracranial vertebrobasilar stenosis. However, these examinations cannot be performed at patients' bedsides. Our purpose was to develop a new bedside method to assess intracranial vertebrobasilar arterial stenosis.

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Cerebral amyloid angiopathy-related inflammation is a syndrome of reversible encephalopathy with cerebral amyloid angiopathy, however the pathology is not well understood. We clear a part of the pathology through the first case of an 80-year-old man with cerebral amyloid angiopathy-related inflammation induced by relapsing polychondritis (RP) analysis. An 80-year-old man was diagnosed with RP by auricular cartilage biopsy.

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Data presented in this article are related to our article entitled "Unilateral posterior reversible encephalopathy syndrome: A case report" [1]. Cases of Posterior Reversible Encephalopathy Syndrome (PRES) involving unilateral lesions are very rare. We searched the PubMed database using keywords such as PRES, unilateral, and asymmetric and found a small number of cases to include in our review.

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Synopsis of recent research by authors named "Reiji Koide"

  • - Reiji Koide's recent research primarily focuses on neurological disorders and their intersections with cardiovascular conditions, as evidenced by multiple studies that investigate outcomes and complications related to ischemic strokes, cerebral embolism, and various forms of neurological diseases.
  • - A significant aspect of Koide's work has been examining the impact of the COVID-19 pandemic on neurological hospitalizations, noting changes in disease characteristics, complications related to COVID-19, and the effects of vaccination on neurological health.
  • - Koide also delves into unique case reports that highlight the complexities of diagnosing and managing various neurological conditions, including meningoencephalitis linked to SARS-CoV-2, and how long-term exposure to medications like valproic acid can mimic neurodegenerative diseases.