For studying diagnostic possibilities of a new laboratory test for cerebral ischemia (CIS-test), thirty patients have been examined. The level of autoantibodies to NMDA type glutamate receptors is shown to increase significantly (3-5 times) in patients with stage 2 dyscirculatory encephalopathy. Parallel measurements of free glutamate and homocysteine levels in the patients blood plasma did not reveal any substantial changes of the given parameters, comparing to indices of autoantibodies to NR2a glutamate receptor. The titer of autoantibodies to this receptor type did not change significantly in patients with epilepsy; the titer dependence on dyscirculatory encephalopathy severity level and its decrease during treatment have been found as well. The possibilities of CIS using for diagnosis and therapy control in patients with chronic cerebral circulation disorders are discussed.
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