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The incidence of prolonged post-electroconvulsive therapy delirium: A retrospective study
Sandeep Grover1, Ajay Kumar1, Subho Chakrabarti1
1Department of Psychiatry, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Objective:
The objective of the study was to assess the incidence and determinants of electroconvulsive therapy (ECT)-induced delirium.
Materials And Methods:
Using a retrospective study design, data of 488 patients undergoing modified ECT were evaluated for the development of new-onset prolonged delirium. Demographic and clinical parameters of patients who developed delirium and those who did not develop delirium were compared.
Results:
5.7% of the patients developed prolonged post-ECT delirium. The use of quetiapine in higher doses and the lack of use of antidepressants while receiving ECT were associated with the development of prolonged post-ECT delirium. None of the other clinical and ECT-related parameters emerged as a significant factor associated with the development of prolonged post-ECT delirium.
Conclusions:
A small proportion of patients undergoing ECT develop post-ECT prolonged delirium.
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