CSF Circulation Disorder, Foramen; Monro, Obstruction, Mri
Conditions
Keywords
CSF, PC-MRI, interventricular foramina
Brief summary
Assess the reproductibility of PC-MRI for cerebrospinal fluid movements through the interventricular foramina on volunteer subjects.
Detailed description
It is a monocentric interventional prospective study. Each subject will have to pass two MRI. Phase contrast MRI (PC-MRI) will be calibrated for each subject by assessing the optimal encoding velocity. Three sequences including the aqueduct and the two interventricular foramina (IVF) will be done. The signal will be analysed by syngo.via software after defining by two different investigators the region of interest (ROI) which correspond to the IVF or the aqueductal lumen. Descriptive statistics will test the intra-individual and inter-observer consistency based on 4 flow parameters.
Interventions
Reproductibility test assessed with MRI for cerebrospinal fluid movements
Sponsors
Study design
Eligibility
Inclusion criteria
* Mini-Mental State Examination score \> 28/30
Exclusion criteria
* MRI contraindication * Medical or surgical history related to following pathologies: nervous system disease, cardiac arrhythmia, cardiac or respiratory insufficiency. * Long-term medical treatment * Ongoing pregnancy
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| PC-MRI procedure reproductibility | week 6 | Test-retest reproducibility of double measures (2nd measure at +48 hours minimum +6 weeks maximum) of 4 cerebrospinal liquid (CSL) flow parameters during PC-MRI. CSL flow through interventricular foramina will be measured within healthy volunteers, and 4 intraclass correlation coefficients (ICC) will be calculated. The test-retest coefficient will be considered satisfactory if \> or = to 0.75 . |
Countries
France