Journal of the Neurological Sciences

BACKGROUND AND PURPOSE: High-density surface electromyography (HD-sEMG) allows non-invasive analysis of motor unit (MU) activity and recruitment. This study examines MU recruitment features as well as action potential using HD-sEMG in the suprahyoid muscles of patients with Parkinson's disease (PD) and assesses alterations caused by cervical percutaneous interferential current stimulation. METHODS: Electrical activity of the suprahyoid muscles during tongue elevation was measured using HD-sEMG...

OBJECTIVE: Interhemispheric neurons in the motor section of the corpus callosum have an inhibitory effect on neurons of the contralateral motor cortex. Three quarters of patients with amyotrophic laterals sclerosis (ALS) show impaired transcallosal inhibition. We aimed to investigate whether structural changes co-occur with this functional impairment and to explore its phenotypic correlates. METHODS: The demographic, clinical, and neuropsychological data of 127 ALS patients were analysed...

OBJECTIVES: Wake-up stroke (WUPS) patients can be selected to intravenous thrombolysis (IVT) treatment based on the Magnetic Resonance Imaging (MRI) mismatch concept. However, recent studies suggest the introduction of modified MRI mismatch criteria, allowing IVT in WUPS patients with a partial mismatch. MATERIAL AND METHODS: WUPS patients treated with IVT in the NOR-TEST trial and consecutively thereafter at Stavanger University Hospital were included in this study...

BACKGROUND: Stroke is a devastating complication of Sickle Cell Disease (SCD) with significant mortality and substantial morbidity. The burden of prevalent stroke in SCD is highest in sub-Saharan Africa and estimated at 4.2 % to 6.4 % in the era where evidence-based prevention strategies such as use of hydroxyurea therapy and transcranial doppler ultrasound were not routine care. PURPOSE: To assess the contemporary frequency and factors associated with prevalent stroke across the lifespan in an SCD registry at the tertiary medical center in Ghana...

Parkinson's disease (PD) is a neurodegenerative disorder that causes a variety of motor and non-motor symptoms (NMS), which affect the patient's quality of life (QOL). This study aimed to compare QOL and background in patients with PD based on the disease duration and investigate the factors affecting QOL. Patients with PD were evaluated based on age, sex, disease duration (≤5 years and > 5 years groups), Mini Mental State Examination (MMSE), Japanese version of Montreal Cognitive Assessment (MoCA-J), Levodopa equivalent daily dose (LEDD), Hoehn and Yahr (HY) severity, movement disorder society-sponsored revision of the unified Parkinson's disease rating scale (MDS-UPDRS) parts I-IV, and QOL using the Parkinson's disease questionnaire (PDQ-8)...

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INTRODUCTION: To describe the clinical characteristics and long term outcome of CIDP patients according to 2021 EAN/PNS diagnostic certainty categories. METHODS: We reviewed clinical data, response to treatment, cerebrospinal fluid examination, and nerve conduction studies parameters of 39 adult "CIDP" and 24 "possible CIDP" patients. Data were collected at diagnosis and after one (T1), two (T2), three (T3) and five years (T5). RESULTS: At diagnosis, "possible CIDP" patients' phenotypes were more atypical (especially focal/multifocal, p < ...

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BACKGROUND: The impact of hospital care quality on patient outcomes in post-stroke aphasia remains unclear. We investigated the impact of nationally-endorsed acute stroke treatments on outcomes post-stroke, by aphasia status. METHODS: Patient-level data from the Australian Stroke Clinical Registry (2009-2013) linked to national deaths, hospital emergency presentations and admissions data were used. Aphasia was identified for the index stroke event (ICD-10 diagnosis code R47...

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Hydrocephalus is a clinical and neurologic condition characterized by an abnormal accumulation of cerebrospinal fluid (CSF). Currently, idiopathic Normal Pressure Hydrocephalus (iNPH) is recognized as a late-onset neurologic disorder defined by a clinical triad of gait disturbance, urinary incontinence, and dementia. Imaging studies often reveal a disproportionate increase in subarachnoid space and ventricular size relative to brain volume, with normal CSF pressure during lumbar puncture. Recent developments in neuroimaging have led to the establishment of criteria for diagnosing and managing iNPH, incorporating the concept of Disproportionately Enlarged Subarachnoid-space Hydrocephalus (DESH)...

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BACKGROUND: ALS is not a pure motor neuron disease but co-occurs with cognitive impairment and psychiatric symptoms. The neuropathological origin of the psychiatric symptoms is unclear. This study examined the association between the psychiatric symptoms and neuropathology of ALS. METHODS: We investigated the clinicopathological characteristics of 15 autopsy cases of ALS, including neuronal loss, gliosis, and the burden of TDP-43 pathology. We divided TDP-43-positive structures by morphology into four categories (neuronal cytoplasmic inclusion, dystrophic neurite, dot, and glial cytoplasmic inclusion) and gave each a semiquantitative score in nine brain regions...