نتایج جستجو برای: transcranial focused ultrasound
تعداد نتایج: 306142 فیلتر نتایج به سال:
Transcranial ultrasound can alter brain function transiently and nondestructively, offering a new tool to study brain function now and inform future therapies. Previous research on neuromodulation implemented pulsed low-frequency (250-700 kHz) ultrasound with spatial peak temporal average intensities (ISPTA) of 0.1-10 W/cm(2). That work used transducers that either insonified relatively large v...
Background/introduction ExAblate Neuro is the only technology that enables clinical treatment of transcranial MR guided focused ultrasound. It is CE approved for the treatment of certain neurological disorders and is under evaluation for additional regulatory approval. We will review the existing applications and the limitations of the current technology. Two of the key limitations are the trea...
PURPOSE The purpose of this study was to evaluate the permeability of the blood-brain barrier after sonication by pulsed high-intensity focused ultrasound and to determine if such an approach increases the tumor:ipsilateral brain permeability ratio. MATERIALS AND METHODS F98 glioma-bearing Fischer 344 rats were injected intravenously with Evans blue with or without blood-tumor barrier disrupt...
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