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To study distribution and patterns of nerve hypertrophy in chronic inflammatory demyelinating polyneuropathy (CIDP), magnetic resonance neurography with 3-dimensional reconstruction of short tau inversion recovery images was performed in 33 patients. This technique clearly showed longitudinal morphological changes from the cervical roots to the nerve trunks(More)
OBJECTIVE Bortezomib is a proteasome inhibitor with high efficacy for multiple myeloma but with severe peripheral neurotoxicity, leading to dose modification and severe neurological disability. This study aimed to investigate the pathophysiology of bortezomib-induced neuropathy. METHODS Threshold tracking was used to assess the excitability of sensory and(More)
Fasciculations are characteristic features of amyotrophic lateral sclerosis (ALS), and suggest motor nerve hyperexcitability. Recent reports have shown that an increase in persistent nodal sodium current is associated with shorter survival in ALS patients. This objective of this trial is to study the efficacy and safety of mexiletine, a sodium channel(More)
OBJECTIVE Vascular endothelial growth factor (VEGF) plays an essential role in the pathophysiology of polyneuropathy, organomegaly, endocrinopathy, M-protein and skin changes (POEMS) syndrome. Anti-VEGF antibody (bevacizumab) appears to be an attractive therapeutic option. The aim of this study is to investigate the effects of bevacizumab for patients with(More)
BACKGROUND In amyotrophic lateral sclerosis (ALS), muscle wasting preferentially affects the abductor pollicis brevis (APB) and first dorsal interosseous over the abductor digit minimi (ADM), and this is termed 'split hand'. Previous axonal excitability studies have suggested increased nodal persistent sodium current and reduced potassium current in motor(More)
OBJECTIVE No clinically effective treatment for promoting peripheral axonal regeneration has yet been established. Several experimental studies in vitro and in vivo have shown that a high dose of methylcobalamin (MeCbl), an analogue of vitamin B12, promotes axonal growth in peripheral nerve injury. We herein assessed the safety and efficacy of an ultra-high(More)
OBJECTIVE To elucidate the features of sensory nerve involvement in Fisher syndrome (FS), this study extensively investigated sensory electrophysiology. METHODS In 47 consecutive FS patients, results of sensory nerve conduction studies in the median, ulnar and sural nerves, soleus H-reflexes, and median or tibial somatosensory-evoked potentials (SEP) were(More)
INTRODUCTION Polyneuropathy, organomegaly, endocrinopathy, M-protein and skin changes (POEMS) syndrome is a fatal systemic disorder associated with plasma cell dyscrasia and the overproduction of the vascular endothelial growth factor (VEGF). Recently, the prognosis of POEMS was substantially improved by introduction of therapeutic intervention for myeloma.(More)
BACKGROUND Guillain-Barré syndrome (GBS) is an immune-mediated neuropathy that causes acute flaccid paralysis. Immunoglobulin and plasma exchange are established treatments for GBS; however, a substantial number of patients, particularly those with severe disease, have poor recovery and residual deficits. Recent studies suggest that complement activation(More)
This study was to establish practical methods to apply to the community health promotion program the data obtained by surveys in a fishing village, under "The Health and Medical Services Law for the Aged." This data, together with guidelines on health counseling for inhabitants in the local community with less abnormal findings on health examination, could(More)