Coma and Cerebral Imaging.

Haupt, W. F.; Firsching, R.; Galldiks, N.; Janzen, R. W. C.; Hansen, H. C.

doi:10.1186/s40064-015-0869-y

Journal Article

FZJ-2015-03105

Coma and Cerebral Imaging.

Haupt, W. F. (Corresponding author) ; Hansen, H. C. ; Janzen, R. W. C. ; Firsching, R. ; Galldiks, N.FZJ*

2015
Biomed Central London

SpringerPlus 4, Article 180 (2015) [10.1186/s40064-015-0869-y]

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Please use a persistent id in citations: http://hdl.handle.net/2128/9030 doi:10.1186/s40064-015-0869-y

Abstract: The clinical sign of coma is a common feature in critical care medicine. However, little information has been put forth on the correlations between coma and cerebral imaging methods. The purpose of the article is to compile the available information derived from various imaging methods and placing it in a context of clinical knowledge of coma and related states. The definition of coma and the cerebral structures responsible for consciousness are described; the mechanisms of cerebral lesions leading to impaired consciousness and coma are explained. Cerebral imaging methods provide a large array of information on the structural changes of brain tissue in the various diseases leading to coma. Circumscript lesions produce space-occupying masses that displace the brain, ultimately leading to various types of herniation. Generalized disease of the brain usually leads to diffuse brain swelling which also can cause herniation. Epileptic states, however, rarely are detectable by imaging methods and mandate EEG examinations. Another important aspect of imaging in coma is the increasing use of functional imaging methods, which can detect the function of loss of function in various areas of the brain and render information on the extent and severity of brain damage as well as on the prognosis of disease. The MRI methods of 1H-spectroscopy and diffusion tensor imaging may provide more functional information in the future.

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