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J ECT. 2019 Mar;35(1):27-34. doi: 10.1097/YCT.0000000000000501.

Long-Term Cognitive and Psychological Functioning in Post-Electroconvulsive Therapy Patients.

Author information

1
Department of Psychological and Quantitative Foundations, Counseling Psychology, University of Iowa, Iowa City, IA.
2
Department of Rehabilitation Medicine, Icahn School of Medicine at Mount Sinai, New York, NY.

Abstract

OBJECTIVE:

Electroconvulsive therapy (ECT) is associated with positive outcomes for treatment-resistant mood disorders in the short term. However, there is limited research on long-term cognitive or psychological changes beyond 1 year after -ECT. This study evaluated long-term outcomes in cognitive functioning, psychiatric symptoms, and quality of life for individuals who had undergone ECT.

METHODS:

Eligible participants (N = 294) who completed a brief pre-ECT neuropsychological assessment within the last 14 years were recruited for a follow-up evaluation; a limited sample agreed to follow-up testing (n = 34). At follow-up, participants were administered cognitive measures (Repeatable Battery for the Assessment of Neuropsychological Status [RBANS], Wide Range Achievement Test-4 Word Reading, Trail Making Test, Wechsler Adult Intelligence Scale-Fourth Edition Letter Number Sequence and Digit Span, and Controlled Oral Word Association Test), along with emotional functioning measures (Beck Depression Inventory-Second Edition [BDI-II] and Beck Anxiety Inventory) and the World Health Organization Quality of Life-BREF quality of life measure. Follow-up-testing occurred on average (SD) 6.01 (3.5) years after last ECT treatment.

RESULTS:

At follow-up, a paired t test showed a large and robust reduction in mean BDI-II score. Scores in cognitive domains remained largely unchanged. A trend was observed for a mean reduction in RBANS visual spatial scores. Lower BDI-II scores were significantly associated with higher RBANS scores and improved quality of life.

CONCLUSIONS:

For some ECT patients, memory, cognitive functioning, and decreases in depressive symptoms can remain intact and stable even several years after ECT. However, the selective sampling at follow-up makes these results difficult to generalize to all post-ECT patients. Future research should examine what variables may predict stable cognitive functioning and a decline in psychiatric symptoms after ECT.

PMID:
29727307
DOI:
10.1097/YCT.0000000000000501
[Indexed for MEDLINE]

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