Multivoxel 1H-MRS of stroke.

Abstract:

:Proton nuclear magnetic resonance spectroscopy is a noninvasive technique allowing the localized, in vivo detection of proton-containing brain metabolites. We used this technique to study eight patients with cerebral infarction or ischemia. A stimulated echo-pulse sequence with chemical shift imaging was used to acquire spectra from multiple contiguous 4-cc volumes extending from the site of ischemia to the opposite hemisphere. Six patients had a reduction in the signal from N-acetyl groups (NAG) in the stroke area compared with controls, and those with the lowest NAG to phosphocreatine/creatine ratios had the least recovery of function. Lactate was observed within the infarcted region in two patients at 9 and 11 days after infarction and may have been present in other patients up to 15 weeks after stroke.

journal_name

Neurology

journal_title

Neurology

authors

Ford CC,Griffey RH,Matwiyoff NA,Rosenberg GA

doi

10.1212/wnl.42.7.1408

subject

Has Abstract

pub_date

1992-07-01 00:00:00

pages

1408-12

issue

7

eissn

0028-3878

issn

1526-632X

journal_volume

42

pub_type

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