Comparing invasive with MRI-derived intracranial pressure measurements in healthy elderly and brain trauma cases: A pilot study

Journal of Magnetic Resonance Imaging : JMRI
Ritambhar BurmanNoam Alperin

Abstract

Intracranial pressure (ICP) is an important physiological parameter in several neurological disorders. Considerable effort has been made to measure ICP noninvasively. MR-based ICP (MR-ICP) is a nonempirical method based on principles of cerebrospinal fluid (CSF) physiology, where ICP is obtained from measurements of blood and CSF flows to and from the cranium during the cardiac cycle. To compare MR-ICP with invasive ICP measurements obtained using lumbar puncture (LP) or external ventricular drainage (EVD). Prospective, cross-sectional, observational study. Ten cognitively healthy elderly subjects (age 69.6 ± 6.6 years; seven females) and six brain trauma patients (age 36.8 ± 19.7 years; two females). Velocity encoding cine phase-contrast at 1.5 T and 3 T. MR-ICP and craniospinal compliance distribution were estimated from arterial inflow and venous outflow to and from cranium, and craniospinal CSF flow at the upper cervical region, measured using cine phase contrast MRI. LP (done 177 ± 163 days after scan) and EVD measurements (at the time of scan) were performed in lateral recumbent and supine positions, respectively. Linear regression was used to assess the relationships of MR-ICP with invasive ICP, and the dependency of the...Continue Reading

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Citations

Nov 11, 2019·The British Journal of Ophthalmology·David Andrew PriceAlon Harris
Jan 15, 2020·Fluids and Barriers of the CNS·Armelle LokossouOlivier Balédent
Sep 9, 2021·Ultraschall in der Medizin : Organ der Deutschen Gesellschaft für Ultraschall in der Medizin, [der] Österreichischen Gesellschaft für Ultraschall in der Medizin, [der] Schweizerischen Gesellschaft für Ultraschall in Medizin und Biologie·Bernhard SchmidtBernhard Rosengarten

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