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Safety and efficacy of ketamine-augmented electroconvulsive therapy in third trimester pregnancy complicated by COVID-19

Ashmi Patel, Anna Saucier, C. Hobday, R. Chacko

Proceedings August 8, 2022 DOI: 10.1080/08998280.2022.2106415 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Case study Case report Peer reviewed
Sample size 1
Population A 35-year-old pregnant woman with treatment-resistant major depressive disorder and suicidal ideation
Interventions Electroconvulsive therapy (ECT) Ketamine
Duration Eight-treatment course of ECT
Measures PHQ-9
Topics Esketamine Ketamine
Key findings An eight-treatment course of electroconvulsive therapy augmented with ketamine was followed by a large reduction in depression severity in a pregnant patient with treatment-resistant depression and suicidal ideation, with her PHQ-9 score falling from 22/27 to 4/27. The authors present this as a case supporting ECT with ketamine in this population.

Abstract

Abstract Major depressive disorder during pregnancy can be detrimental to the fetus and patient. Treatments can include electroconvulsive therapy (ECT) for severe cases. The use of ketamine in ECT can provide symptomatic relief as well as induce anesthesia. Here, we describe the case of a 35-year-old gravid woman with a long-standing history of major depressive disorder who presented with treatment-resistant depression with suicidal ideation after an alteration in her antidepressant medication. After psychiatric evaluation, she was deemed to be a good candidate for ECT augmented with ketamine for symptomatic relief. This was complicated by an positive but asymptomatic COVID-19 status. Despite these factors, the patient experienced significant relief after an eight-treatment course of ECT, with a reduction of her PHQ-9 score from 22/27 to 4/27 points.

Comparable studies

Other case reports and case series on ketamine, most cited first.

Study Year Design Participants
The destruction of the lower urinary tract by ketamine abuse: a new syndrome? Young recreational abusers of street-ketamine in Hong Kong referred to urology units 2008 Retrospective case series n = 59
Electroconvulsive Therapy, Ketamine, and Esketamine in a Patient with Major Depressive Disorder and Multiple Comorbidities: A Case Report over 10-year Treatment from Adolescence to Adulthood. A patient with treatment-resistant depression and comorbid generalized anxiety... 2025 Case report n = 1
Treatment of compulsive behaviour in eating disorders with intermittent ketamine infusions Chronic and treatment-resistant eating disorder patients 1998 Case series n = 15
Oral Administration of the NMDA Receptor Antagonist S-Ketamine as Add-On Therapy of Depression: A Case Series Four depressed patients taking standard antidepressants 2009 Case series n = 4
A longitudinal case series of IM ketamine for patients with severe and enduring eating disorders and comorbid treatment‐resistant depression Patients with enduring eating disorders and treatment-resistant depression 2021 Case series n = 4

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