Characterization of the Quality of Electroconvulsive Therapy Among Older Medicare Beneficiaries

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Background: Electroconvulsive therapy (ECT) is an important therapy for treatment-resistant depression and is especially effective for elderly individuals with depression. This is the first US nationally representative description of ECT in the elderly.

Methods: Using 2014–2015 Medicare claims data, we compared elderly individuals with major depressive disorder (using ICD-9 and ICD-10 codes) who received ECT with those who did not on demographic and clinical measures. We characterized treatment patterns by setting and the proportion of individuals receiving index and continuation/maintenance courses, subtherapeutic courses of ECT, and post-ECT follow-up care.

Results: Of all Medicare beneficiaries aged 65 years and older diagnosed with depression in 2014–2015, 7,817 (0.41%) received 1 or more ECT sessions. Compared to the general population of elderly Medicare beneficiaries with depression, recipients of ECT were slightly younger and more likely to be male, non-Hispanic, and white and live in a zip code with a higher median income. Among those who received any ECT, 33.7% received < 5 total treatments. Of those who received an index ECT treatment, 33.7% received a continuation/maintenance course of ECT, while 60.9% received some form of post-ECT follow-up treatment (additional ECT or new psychotropic medication). Receipt of psychotherapy was the strongest predictor of those who received 5 ECT treatments (adjusted odds ratio = 1.43; 95% CI, 1.22 to 1.67).

Conclusions: Despite substantial evidence of efficacy, ECT use remains rare among elderly patients with depression. Findings suggest a potential need for efforts to increase the proportion of patients receiving adequate courses of ECT and evidence-based post-ECT follow-up care.

J Clin Psychiatry 2020;81(4):19m13186

https://doi.org/10.4088/JCP.19m13186