Brain-Spinal Fluid

The purpose of this study was to investigate whether CFS patients without comorbid psychiatric diagnoses differ from CFS patients with comorbid psychiatric diagnoses and healthy control subjects in neuropsychological performance, the proportion with elevated spinal fluid protein or white cell counts, cerebral blood flow (CBF), brain ventricular lactate and cortical glutathione (GSH).

The results of the study did not show any differences in any of the outcome measures between CFS patients with and without psychiatric comorbidity, thus indicating that psychiatric status may not be an exacerbating factor in CFS.

Importantly, significant differences were found between the pooled samples of CFS compared to controls. These included lower GSH and CBF and higher ventricular lactate and rates of spinal fluid abnormalities in CFS patients compared to healthy controls.

Thirteen of 26 patients had abnormal values on two or more of these 4 brain-related variables. These findings, which replicate the results of several of our prior studies, support the presence of a number of neurobiological and spinal fluid abnormalities in CFS.

These results will lead to further investigation into objective biomarkers of the disorder to advance the understanding of CFS.

4 Replies

  • Small numbers in research group make this a pilot study requiring confirmation of findings from other researchers which should happen as these findings will interest other fields of medical science.

  • Right tests and they find something wrong.

  • Something tells me the psychiatrists will not be using this information at their treatment centres.

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