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MRI of the cervical spinal cord predicts respiratory dysfunction in ALS.

Abstract：

:For patients with amyotrophic lateral sclerosis (ALS), the primary therapeutic goal is to minimize morbidity. Non-invasive ventilation improves survival. We aim to assess whether Magnetic Resonance Imaging (MRI) of the cervical spinal cord predicts the progression of respiratory disorders in ALS. Brain and spinal MRI was repeatedly performed in the SOD1G86R mouse model, in 40 patients and in healthy controls. Atrophy, iron overload, white matter diffusivity and neuronal loss were assessed. In Superoxide Dismutase-1 (SOD1) mice, iron accumulation appeared in the cervical spinal cord at symptom onset but disappeared with disease progression (after the onset of atrophy). In ALS patients, the volumes of the motor cortex and the medulla oblongata were already abnormally low at the time of diagnosis. Baseline diffusivity in the internal capsule was predictive of functional handicap. The decrease in cervical spinal cord volume from diagnosis to 3 months was predictive of the change in slow vital capacity at 12 months. MRI revealed marked abnormalities at the time of ALS diagnosis. Early atrophy of the cervical spinal cord may predict the progression of respiratory disorders, and so may be of value in patient care and as a primary endpoint in pilot neuroprotection studies.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Grolez G,Kyheng M,Lopes R,Moreau C,Timmerman K,Auger F,Kuchcinski G,Duhamel A,Jissendi-Tchofo P,Besson P,Laloux C,Petrault M,Devedjian JC,Pérez T,Pradat PF,Defebvre L,Bordet R,Danel-Brunaud V,Devos D

doi

10.1038/s41598-018-19938-2

subject

Has Abstract

pub_date

2018-01-29 00:00:00

pages

1828

issue

1

issn

2045-2322

pii

10.1038/s41598-018-19938-2

journal_volume

8

pub_type

杂志文章

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