Temporal slow waves and cerebrovascular diseases.

Abstract:

:Sporadic temporal slow waves are considered to be associated with mild cerebrovascular dysfunction. However, electroencephalogram (EEG) changes have not been consistently described by some investigators and correlations inferred on the basis of such data remain inconclusive. In the present study, we examined previously defined temporal slow waves in patients in relation to incidence of cerebrovascular disease. A total of 512 EEG were analyzed during a 1 year period at our laboratory and 74 reference EEG from healthy volunteers were all examined as to the presence of temporal low-voltage irregular delta wave (TLID), temporal minor slow and sharp activity (TMSSA) or bursts of rhythmical temporal theta (BORTT). The patterns were assessed in relation to clinical histories of patients and controls. There were similarities in clinical correlations for the three EEG changes including associations with mild cerebrovascular diseases and with aging. In addition these temporal EEG findings shared electrographic features and showed left side predominance as well as correlating with each other. Since TLID, TMSSA and BORTT have many clinical and electrographical similarities, we consider that these findings should be grouped into one EEG entity which appears in association with mild cerebrovascular dysfunction.

authors

Inui K,Motomura E,Kaige H,Nomura S

doi

10.1046/j.1440-1819.2001.00900.x

subject

Has Abstract

pub_date

2001-10-01 00:00:00

pages

525-31

issue

5

eissn

1323-1316

issn

1440-1819

pii

pcn900

journal_volume

55

pub_type

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