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Cerebrospinal fluid (CSF) dynamics, driven by sensory stimulation-induced neuronal activity, is crucial for maintaining homeostasis and clearing metabolic waste. However, it remains unclear whether such CSF flow is impaired in age-related neurodegenerative diseases of the visual system. This study addresses this gap by examining CSF flow during visual stimulation in glaucoma patients and healthy older adults using functional magnetic resonance imaging.
View Article and Find Full Text PDFMapping Surface Potential in DNA Aptamer-Neurochemical and Membrane-Ion Interactions on the SOS Substrate Using Terahertz Microscopy.
Biosensors (Basel)
January 2025
Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University, Okayama 700-8530, Japan.
In this study, we utilized a terahertz chemical microscope (TCM) to map surface potential changes induced by molecular interactions on silicon-on-sapphire (SOS) substrates. By functionalizing the SOS substrate with DNA aptamers and an ion-selective membrane, we successfully detected and visualized aptamer-neurochemical complexes through the terahertz amplitude. Additionally, comparative studies of DNA aptamers in PBS buffer and artificial cerebrospinal fluid (aCSF) were performed by computational structure modeling and terahertz measurements.
View Article and Find Full Text PDFSyringomyelia with Central Canal Enlargement Caused by Postoperative Inflammation after Surgery for Intradural Lumbar Disc Herniation.
NMC Case Rep J
December 2024
Department of Orthopedic Surgery, NHO Osaka Minami Medical Center, Kawachinagano, Osaka, Japan.
Intradural lumbar disc herniation (ILDH) is a very rare condition, with cerebrospinal fluid (CSF) leakage as a postoperative complication. The central canal of the conus medullaris was reported to communicate with the subarachnoid space through a caudal aperture; however, this aperture has never been observed in vivo. Herein, we report a case of L1/2 ILDH with postoperative spinal adhesive arachnoiditis and syringomyelia in which the communication considered to be a caudal aperture was detected.
View Article and Find Full Text PDFInferior frontal sulcal hyperintensities (IFSH) observed on fluid-attenuated inversion recovery (FLAIR) MRI have been proposed as indicators of elevated cerebrospinal fluid waste accumulation in cerebral small vessel disease (CSVD). However, to validate IFSH as a reliable imaging biomarker, further replication studies are required. The objective of this study was to investigate associations between IFSH and CSVD, and their potential repercussions, i.
View Article and Find Full Text PDF[Anterior approach for the revision surgery following bone cement augmentation in osteoporotic vertebral compression fractures].
Zhongguo Gu Shang
January 2025
Department of Orthopaedics, Sir Run Run Shaw Hospital, Hangzhou 310016, Zhejiang, China.
Objective: To observe the clinical outcomes of anterior approach for the revision surgery following unsuccessful bone cement augmentation in osteoporotic vertebral compression fractures.
Methods: A total of 10 patients who experienced unsuccessful bone cement augmentation underwent anterior revision surgery between January 2020 and December 2021. There were 2 males and 8 females.
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