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Optical fibers monitor brain for deadly post-injury complications
A new study has demonstrated that a tiny bundle of optical fibers can continuously, accurately, and simultaneously measure six biomarkers of brain health, helping to prevent serious complications that can follow a traumatic brain injury.
The biomarkers are measured using cerebrospinal fluid (CSF), the watery liquid that fills and surrounds the brain and spinal cord and provides nutrients, removes waste, and acts as a shock absorber for these delicate organs. “The device’s optical fiber-based design offers full compatibility with magnetic resonance imaging (MRI), making it suitable for use in MR-guided surgeries with long-distance fibers and remote monitoring capabilities. The researchers said that the probe’s small size and its being made from soft, highly biocompatible materials reduce the risk of it damaging brain tissue and prompting an inflammatory response, making it suitable for long-term implantation.
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