Title

Bilateral independent periodic discharges are associated with electrographic seizures and poor outcome: a case-control study

Document Type

Conference Proceeding

Publication Date

4-2018

Publication Title

Neurology

Abstract

Objective: To identify clinical correlates of BIPDs, their association with seizures and their prognostic significance. Background: Bilateral independent periodic discharges (BIPDs) is an increasingly recognized EEG pattern in the critically ill but its clinical correlates, and association with electrographic seizures and outcome are uncertain. Design/Methods: A retrospective casecontrol study of patients with BIPDs compared to two control groups, one without periodic discharges (?No PDs?) and one with lateralized periodic discharges on only one side (?LPDs?), all matched for age, etiology and level of alertness. Univariate and multivariate statistics were applied. Results: 85 cases and 85 controls were included in each group. The most frequent etiologies of BIPDs were ischemic and hemorrhagic stroke (25%), CNS infections (10%), and anoxic brain injury (10%). 77 (91%) patients with BIPDs had stupor or coma, including 31% in coma. Electrographic seizures were more common in the BIPDs group than No PDs group (45% vs. 8%; p

Volume

90

Issue

15 Suppl 1

First Page

P3.276

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