3D mapping of cerebrospinal fluid local volume changes in patients with hydrocephalus treated by surgery: Preliminary study

Jérôme Hodel; Pierre Besson; Alain Rahmouni; Eric Petit; Alain Lebret; Bénédicte Grandjacques; Olivier Outteryck; Mohamed Amine Benadjaoud; Anne Maraval; Alain Luciani; Jean Pierre Pruvo; Philippe Decq; Xavier Leclerc

doi:10.1007/s00330-013-2990-z

3D mapping of cerebrospinal fluid local volume changes in patients with hydrocephalus treated by surgery: Preliminary study

Jérôme Hodel^*, Pierre Besson, Alain Rahmouni, Eric Petit, Alain Lebret, Bénédicte Grandjacques, Olivier Outteryck, Mohamed Amine Benadjaoud, Anne Maraval, Alain Luciani, Jean Pierre Pruvo, Philippe Decq, Xavier Leclerc

^*Corresponding author for this work

Radiology

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Abstract

Objective: To develop automated deformation modelling for the assessment of cerebrospinal fluid (CSF) local volume changes in patients with hydrocephalus treated by surgery. Methods: Ventricular and subarachnoid CSF volume changes were mapped by calculating the Jacobian determinant of the deformation fields obtained after non-linear registration of pre- and postoperative images. A total of 31 consecutive patients, 15 with communicating hydrocephalus (CH) and 16 with non-communicating hydrocephalus (NCH), were investigated before and after surgery using a 3D SPACE (sampling perfection with application optimised contrast using different flip-angle evolution) sequence. Two readers assessed CSF volume changes using 3D colour-encoded maps. The Evans index and postoperative volume changes of the lateral ventricles and sylvian fissures were quantified and statistically compared. Results: Before surgery, sylvian fissure and brain ventricle volume differed significantly between CH and NCH (P=0.001 and P=0.025, respectively). After surgery, 3D colour-encoded maps allowed for the visual recognition of the CSF volume changes in all patients. The amounts of ventricle volume loss of CH and NCH patients were not significantly different (P=0.30), whereas readjustment of the sylvian fissure volume was conflicting in CH and NCH patients (P<0.001). The Evans index correlated with ventricle volume in NCH patients. Conclusion: 3D mapping of CSF volume changes is feasible providing a quantitative follow-up of patients with hydrocephalus. Key Points: • MRI can provide helpful information about cerebrospinal fluid volumes. • 3D CSF mapping allows quantitative follow-up in communicating and non-communicating hydrocephalus. • Following intervention, fissures and cisterns readjust in both forms of hydrocephalus. • These findings support the hypothesis of suprasylvian block in communicating hydrocephalus. • 3D mapping may improve shunt dysfunction detection and guide valve pressure settings.

Original language	English (US)
Pages (from-to)	136-142
Number of pages	7
Journal	European Radiology
Volume	24
Issue number	1
DOIs	https://doi.org/10.1007/s00330-013-2990-z
State	Published - Jan 2014

Keywords

Cerebrospinal fluid
Deformation modelling
Hydrocephalus
Magnetic resonance imaging
SPACE MR sequence

ASJC Scopus subject areas

Radiology Nuclear Medicine and imaging

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Hodel, J., Besson, P., Rahmouni, A., Petit, E., Lebret, A., Grandjacques, B., Outteryck, O., Benadjaoud, M. A., Maraval, A., Luciani, A., Pruvo, J. P., Decq, P., & Leclerc, X. (2014). 3D mapping of cerebrospinal fluid local volume changes in patients with hydrocephalus treated by surgery: Preliminary study. European Radiology, 24(1), 136-142. https://doi.org/10.1007/s00330-013-2990-z

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title = "3D mapping of cerebrospinal fluid local volume changes in patients with hydrocephalus treated by surgery: Preliminary study",

abstract = "Objective: To develop automated deformation modelling for the assessment of cerebrospinal fluid (CSF) local volume changes in patients with hydrocephalus treated by surgery. Methods: Ventricular and subarachnoid CSF volume changes were mapped by calculating the Jacobian determinant of the deformation fields obtained after non-linear registration of pre- and postoperative images. A total of 31 consecutive patients, 15 with communicating hydrocephalus (CH) and 16 with non-communicating hydrocephalus (NCH), were investigated before and after surgery using a 3D SPACE (sampling perfection with application optimised contrast using different flip-angle evolution) sequence. Two readers assessed CSF volume changes using 3D colour-encoded maps. The Evans index and postoperative volume changes of the lateral ventricles and sylvian fissures were quantified and statistically compared. Results: Before surgery, sylvian fissure and brain ventricle volume differed significantly between CH and NCH (P=0.001 and P=0.025, respectively). After surgery, 3D colour-encoded maps allowed for the visual recognition of the CSF volume changes in all patients. The amounts of ventricle volume loss of CH and NCH patients were not significantly different (P=0.30), whereas readjustment of the sylvian fissure volume was conflicting in CH and NCH patients (P<0.001). The Evans index correlated with ventricle volume in NCH patients. Conclusion: 3D mapping of CSF volume changes is feasible providing a quantitative follow-up of patients with hydrocephalus. Key Points: • MRI can provide helpful information about cerebrospinal fluid volumes. • 3D CSF mapping allows quantitative follow-up in communicating and non-communicating hydrocephalus. • Following intervention, fissures and cisterns readjust in both forms of hydrocephalus. • These findings support the hypothesis of suprasylvian block in communicating hydrocephalus. • 3D mapping may improve shunt dysfunction detection and guide valve pressure settings.",

keywords = "Cerebrospinal fluid, Deformation modelling, Hydrocephalus, Magnetic resonance imaging, SPACE MR sequence",

author = "J{\'e}r{\^o}me Hodel and Pierre Besson and Alain Rahmouni and Eric Petit and Alain Lebret and B{\'e}n{\'e}dicte Grandjacques and Olivier Outteryck and Benadjaoud, {Mohamed Amine} and Anne Maraval and Alain Luciani and Pruvo, {Jean Pierre} and Philippe Decq and Xavier Leclerc",

year = "2014",

month = jan,

doi = "10.1007/s00330-013-2990-z",

language = "English (US)",

volume = "24",

pages = "136--142",

journal = "European Radiology",

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Hodel, J, Besson, P, Rahmouni, A, Petit, E, Lebret, A, Grandjacques, B, Outteryck, O, Benadjaoud, MA, Maraval, A, Luciani, A, Pruvo, JP, Decq, P & Leclerc, X 2014, '3D mapping of cerebrospinal fluid local volume changes in patients with hydrocephalus treated by surgery: Preliminary study', European Radiology, vol. 24, no. 1, pp. 136-142. https://doi.org/10.1007/s00330-013-2990-z

TY - JOUR

T1 - 3D mapping of cerebrospinal fluid local volume changes in patients with hydrocephalus treated by surgery

T2 - Preliminary study

AU - Hodel, Jérôme

AU - Besson, Pierre

AU - Rahmouni, Alain

AU - Petit, Eric

AU - Lebret, Alain

AU - Grandjacques, Bénédicte

AU - Outteryck, Olivier

AU - Benadjaoud, Mohamed Amine

AU - Maraval, Anne

AU - Luciani, Alain

AU - Pruvo, Jean Pierre

AU - Decq, Philippe

AU - Leclerc, Xavier

PY - 2014/1

Y1 - 2014/1

N2 - Objective: To develop automated deformation modelling for the assessment of cerebrospinal fluid (CSF) local volume changes in patients with hydrocephalus treated by surgery. Methods: Ventricular and subarachnoid CSF volume changes were mapped by calculating the Jacobian determinant of the deformation fields obtained after non-linear registration of pre- and postoperative images. A total of 31 consecutive patients, 15 with communicating hydrocephalus (CH) and 16 with non-communicating hydrocephalus (NCH), were investigated before and after surgery using a 3D SPACE (sampling perfection with application optimised contrast using different flip-angle evolution) sequence. Two readers assessed CSF volume changes using 3D colour-encoded maps. The Evans index and postoperative volume changes of the lateral ventricles and sylvian fissures were quantified and statistically compared. Results: Before surgery, sylvian fissure and brain ventricle volume differed significantly between CH and NCH (P=0.001 and P=0.025, respectively). After surgery, 3D colour-encoded maps allowed for the visual recognition of the CSF volume changes in all patients. The amounts of ventricle volume loss of CH and NCH patients were not significantly different (P=0.30), whereas readjustment of the sylvian fissure volume was conflicting in CH and NCH patients (P<0.001). The Evans index correlated with ventricle volume in NCH patients. Conclusion: 3D mapping of CSF volume changes is feasible providing a quantitative follow-up of patients with hydrocephalus. Key Points: • MRI can provide helpful information about cerebrospinal fluid volumes. • 3D CSF mapping allows quantitative follow-up in communicating and non-communicating hydrocephalus. • Following intervention, fissures and cisterns readjust in both forms of hydrocephalus. • These findings support the hypothesis of suprasylvian block in communicating hydrocephalus. • 3D mapping may improve shunt dysfunction detection and guide valve pressure settings.

AB - Objective: To develop automated deformation modelling for the assessment of cerebrospinal fluid (CSF) local volume changes in patients with hydrocephalus treated by surgery. Methods: Ventricular and subarachnoid CSF volume changes were mapped by calculating the Jacobian determinant of the deformation fields obtained after non-linear registration of pre- and postoperative images. A total of 31 consecutive patients, 15 with communicating hydrocephalus (CH) and 16 with non-communicating hydrocephalus (NCH), were investigated before and after surgery using a 3D SPACE (sampling perfection with application optimised contrast using different flip-angle evolution) sequence. Two readers assessed CSF volume changes using 3D colour-encoded maps. The Evans index and postoperative volume changes of the lateral ventricles and sylvian fissures were quantified and statistically compared. Results: Before surgery, sylvian fissure and brain ventricle volume differed significantly between CH and NCH (P=0.001 and P=0.025, respectively). After surgery, 3D colour-encoded maps allowed for the visual recognition of the CSF volume changes in all patients. The amounts of ventricle volume loss of CH and NCH patients were not significantly different (P=0.30), whereas readjustment of the sylvian fissure volume was conflicting in CH and NCH patients (P<0.001). The Evans index correlated with ventricle volume in NCH patients. Conclusion: 3D mapping of CSF volume changes is feasible providing a quantitative follow-up of patients with hydrocephalus. Key Points: • MRI can provide helpful information about cerebrospinal fluid volumes. • 3D CSF mapping allows quantitative follow-up in communicating and non-communicating hydrocephalus. • Following intervention, fissures and cisterns readjust in both forms of hydrocephalus. • These findings support the hypothesis of suprasylvian block in communicating hydrocephalus. • 3D mapping may improve shunt dysfunction detection and guide valve pressure settings.

KW - Cerebrospinal fluid

KW - Deformation modelling

KW - Hydrocephalus

KW - Magnetic resonance imaging

KW - SPACE MR sequence

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3D mapping of cerebrospinal fluid local volume changes in patients with hydrocephalus treated by surgery: Preliminary study

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