Nonconvulsive status epilepticus should be considered in the differential diagnosis for patients with prolonged confusion after ECT, and EEG monitoring is recommended.
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Prolonged post-ECT confusion may indicate nonconvulsive status epilepticus; case reports leave open the need for prospective EEG studies.
SUMMARY: We describe three cases of nonconvulsive status epilepticus induced by electroconvulsive therapy (ECT). Nonconvulsive status epilepticus is an important differential diagnosis in patients who develop prolonged confusion after ECT. The present cases exemplify the difficulty in defining the diagnosis on the basis of the clinical manifestations. The application of electroencephalography is recommended in monitoring patients with prolonged confusion following ECT. Concurrent drug therapy and ECT is discussed.
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Povlsen et al. (2003) studied this question.
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