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Dryad

Gulf War Illness

Weiner, Michael W.

Published Jun 20, 2013 on Dryad. https://doi.org/10.7272/Q66Q1V54

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Abstract

Some veterans who served in the Gulf War subsequently complained of a wide variety of physical and neuro-psychological symptoms, termed Gulf War Illness (GWI). Several investigators have attributed these symptoms to stress. In contrast, Haley and coworkers reported clusters of symptoms into three primary syndromes and reported reductions of the neuronal marker NAcetyl aspartate (NAA, a marker of neuron integrity and density) in the basal ganglia and pons of some GWI subjects. Based on this and other data they suggested that GWI has a neurological component. One limitation of previous studies is that post traumatic stress disorder (PTSD), depresssion, and alcoholism also cause structural and metabolic changes in the brain; the previous studies did not carefully control for these confounds. The primary goal of this project was to test the hypothesis that: subjects with GWI have metabolic and/or morphological changes in their brain, which are not accounted for by confounds such as post traumatic stress disorder (PTSD), alcohol abuse, and depression. A secondary goal was to determine: if these brain changes correlate with CNS signs and symptoms of GWI. This project studied 200 subjects with GWI and 200 Gulf War Veteran (GWV) controls drawn from Northern California and surrounding regions. GWI was defined by the same criteria used in previous VA cooperative studies. The extent of alcohol abuse and PTSD symptoms was measured. MRI/MRS, audiovestibular, neuro-psychological and other measurements were also made.