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. 2020 Feb;28(2):157-163.
doi: 10.1016/j.jagp.2019.09.008. Epub 2019 Sep 26.

Efficacy and Safety of ECT for Behavioral and Psychological Symptoms of Dementia (BPSD): A Retrospective Chart Review

Adriana P Hermida  1 , Yi-Lang Tang  2 , Oliver Glass  2 , A Umair Janjua  2 , William M McDonald  2
Affiliations

Efficacy and Safety of ECT for Behavioral and Psychological Symptoms of Dementia (BPSD): A Retrospective Chart Review

Adriana P Hermida et al. Am J Geriatr Psychiatry. 2020 Feb.

Abstract

Objective: Much of the functional disturbance in patients with dementia reflects the presence of noncognitive behavioral and psychological symptoms of dementia (BPSD). Agitation is among the most distressing symptoms for patients, clinicians, and caregivers. Currently no pharmacotherapy has clearly been shown to be of value for this condition. This study used a chart review method to examine the safety and efficacy of electroconvulsive therapy (ECT) for patients with dementia receiving ECT for agitation.

Methods: A retrospective chart review was conducted of patients with dementia presenting with symptoms of aggression or agitation and who received ECT treatments. Aggression and agitation were measured by pre- and post-ECT Pittsburg Agitation Scale (PAS) scores. Detailed history of the use of psychotropic medications as well as other clinically relevant variables was analyzed.

Findings: Sixty elderly patients (45 women and 15 men, 75% female, mean age 77.5 ± 8.0 years) were included in the analysis. Most patients were treatment resistant to multiple psychotropic medications prior to ECT (mean number 6.1±1.5). The baseline PAS total was 9.3 ± 3.7 and it decreased significantly after three (2.5±2.8) and six (1.5±2.3) ECT treatments. No significant ECT-related medical complications were observed except transient confusion. A decrease in the number of psychotropics prescribed along with an increase in the GAF score was observed after the ECT treatment course.

Conclusion: ECT was safe in this sample of patients who had co-morbid medical conditions. ECT was associated with the following observations: 1) a reduction in agitation; 2) a reduction in psychotropic polypharmacy; and 3) an improvement in global functioning level. Further research evaluating the effects of ECT in the setting of dementia is warranted.

Keywords: Alzheimer's disease; BPSD; ECT; agitation; dementia; electroconvulsive therapy.

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