Abstract: In vivo magnetic resonance spectroscopy in chronic fatigue syndrome

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Prostaglandins Leukot Essent Fatty Acids. 2004 Sep;71(3):181-3. Chaudhuri A, Behan PO. Division of Clinical Neurosciences, Institute of Neurological Sciences, Southern General Hospital, University of Glasgow, 1345 Govan Road, Glasgow G51 4TF, UK.

The pathogenic mechanisms of chronic fatigue syndrome (CFS) are not clearly known. Fatigue, poor short-term memory and muscle pain are the most disabling symptoms in CFS. Research data on magnetic resonance spectroscopy (MRS) of muscles and brain in CFS patients suggest a cellular metabolic abnormality in some cases. (31)P MRS of skeletal muscles in a subset of patients indicate early intracellular acidosis in the exercising muscles. (1)H MRS of the regional brain areas in CFS have shown increased peaks of choline derived from the cell membrane phospholipids. Cell membrane oxidative stress may offer a common explanation for the observed MRS changes in the muscles and brain of CFS patients and this may have important therapeutic implications.

As a research tool, MRS may be used as an objective outcome measure in the intervention studies. In addition, regional brain (1)H MRS has the potential for wider use to substantiate a clinical diagnosis of CFS from other disorders of unexplained chronic fatigue. PMID: 15253888 [PubMed – in process]

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