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Brain stiffness following recovery in a patient with an episode of low-pressure hydrocephalus: case report

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Abstract

The authors describe a follow-up to a case of a 19-year-old female with shunted aqueductal stenosis who presented with low-pressure hydrocephalus during a shunt malfunction. Shortly after management with CSF drainage at negative pressure, a magnetic resonance elastography scan was performed and revealed very low brain stiffness (high compliance). Here we present the case of the same patient seen 2 years later, now 21 years old, who again received a magnetic resonance elastography scan after receiving treatment for another shunt malfunction, this time with high intracranial pressure. This scan revealed recovery of brain stiffness to a near normal value for the patients’ age. This observation suggests the low brain stiffness observed during the low-pressure hydrocephalus event is reversible. The authors discuss these findings in relation to biomechanical hypotheses of low-pressure hydrocephalus.

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Abbreviations

CSF:

Cerebrospinal fluid

LPH:

Low-pressure hydrocephalus

MRE:

Magnetic resonance elastography

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Funding

The Carle Neuroscience Institute of the Carle Foundation Hospital provided support for this research.

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WCO conceived the research; WCO, AB, TMW, and BPS collected the data; CLJ analyzed the data; WCO, AB, and CLJ wrote the manuscript; and all authors edited and approved the final manuscript.

Corresponding authors

Correspondence to William C Olivero or Curtis L Johnson.

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Statement of ethics

This research was performed ethically in accordance with the World Medical Association Declaration of Helsinki. The Institutional Review Board of Carle Foundation Hospital approved this research. The patient provided informed, written consent to participate in this research.

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The authors report no conflicts of interest regarding the material presented in this work.

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Olivero, W.C., Biswas, A., Wszalek, T.M. et al. Brain stiffness following recovery in a patient with an episode of low-pressure hydrocephalus: case report. Childs Nerv Syst 37, 2695–2698 (2021). https://doi.org/10.1007/s00381-020-04922-x

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