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Literature DB >> 15699394

Dehydration confounds the assessment of brain atrophy.

T Duning¹, S Kloska, O Steinsträter, H Kugel, W Heindel, S Knecht.

Abstract

Computerized brain volumetry has potential value for diagnosis and the follow-up evaluation of degenerative disorders. A potential pitfall of this method is the extent of physiologic variations in brain volume. The authors show that dehydration and rehydration can significantly change brain volume: lack of fluid intake for 16 hours decreased brain volume by 0.55% (SD, +/-0.69), and after rehydration total cerebral volume increased by 0.72% (SD, +/-0.21).

Entities: Disease

Mesh：

Year: 2005 PMID： 15699394 DOI： 10.1212/01.WNL.0000150542.16969.CC

Source DB: PubMed Journal: Neurology ISSN： 0028-3878 Impact factor: 9.910

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Cited

69 in total

1. Dehydration affects brain structure and function in healthy adolescents.

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Review 2. Differential aging of the brain: patterns, cognitive correlates and modifiers.

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4. Poor correlation between perihematomal MRI hyperintensity and brain swelling after intracerebral hemorrhage.

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5. Reliability of longitudinal brain volume loss measurements between 2 sites in patients with multiple sclerosis: comparison of 7 quantification techniques.

Authors: F Durand-Dubief; B Belaroussi; J P Armspach; M Dufour; S Roggerone; S Vukusic; S Hannoun; D Sappey-Marinier; C Confavreux; F Cotton
Journal: AJNR Am J Neuroradiol Date: 2012-07-12 Impact factor: 3.825

Dehydration confounds the assessment of brain atrophy.

1. Dehydration affects brain structure and function in healthy adolescents.

Review 2. Differential aging of the brain: patterns, cognitive correlates and modifiers.

3. Inferring pathobiology from structural MRI in schizophrenia and bipolar disorder: Modeling head motion and neuroanatomical specificity.

4. Poor correlation between perihematomal MRI hyperintensity and brain swelling after intracerebral hemorrhage.

5. Reliability of longitudinal brain volume loss measurements between 2 sites in patients with multiple sclerosis: comparison of 7 quantification techniques.

6. Impact of time-of-day on brain morphometric measures derived from T1-weighted magnetic resonance imaging.

7. Responses of the Human Brain to Mild Dehydration and Rehydration Explored In Vivo by 1H-MR Imaging and Spectroscopy.

8. Head motion during MRI acquisition reduces gray matter volume and thickness estimates.

9. Within-patient fluctuation of brain volume estimates from short-term repeated MRI measurements using SIENA/FSL.

Review 10. Magnetic resonance imaging of Huntington's disease: preparing for clinical trials.