Chapter title |
Measurement of Intracranial Pressure in Freely Moving Rats
|
---|---|
Chapter number | 2 |
Book title |
Traumatic and Ischemic Injury
|
Published in |
Methods in molecular biology, January 2018
|
DOI | 10.1007/978-1-4939-7526-6_2 |
Pubmed ID | |
Book ISBNs |
978-1-4939-7524-2, 978-1-4939-7526-6
|
Authors |
Michael R. Williamson, Roseleen F. John, Frederick Colbourne, Williamson, Michael R., John, Roseleen F., Colbourne, Frederick |
Abstract |
Brain injury, such as from stroke and trauma, can be complicated by elevated intracranial pressure (ICP). Although raised ICP can be a significant determinant of morbidity and mortality, clinical studies often report widely varying ICP measurements depending on location of measurement and technique used. For the same reasons, reported ICP measurements also vary widely in animal models. The need for anesthesia or tethered connections with some methods of ICP measurement in animals may introduce additional confounds. Moreover, these methods are not well suited for prolonged, continuous measurement. Here, we describe an approach to continually measure ICP in awake, freely moving rats for several days. This technique uses a commercially available, wireless pressure sensor mounted on the head to measure ICP from the epidural space via a fluid-filled catheter. We have demonstrated that this approach reliably detects elevations in ICP that last for several days after ischemic and hemorrhagic strokes in rat. |
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