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Updated: May 29, 2026

Pupillary Response as Assessment of Effective Seizure Induction by Electroconvulsive Therapy
Published on: April 11, 2019
Safe use of electroconvulsive therapy in a highly suicidal survivor of carbon monoxide poisoning
Chih-Lin Chiang1, Mei-Chih Meg Tseng
1Department of Psychiatry, National Taiwan University Hospital, Taipei 10002, Taiwan.
Abstract:
It has been reported that electroconvulsive therapy (ECT) may increase the likelihood of delayed neuropsychiatric sequelae (DNS) after carbon monoxide (CO) poisoning. We present a suicidal patient of CO intoxication, who received ECT safely and effectively 5 weeks after CO exposure and review the previously reported ECT-related DNS cases and the recent studies about the predictors of DNS. We propose that ECT can be safely implemented in carefully selected patients without known risk factors for DNS after an extended observation period from CO exposure.
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