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Hyperventilation and electroconvulsive therapy: A literature review. | LitMetric

Hyperventilation and electroconvulsive therapy: A literature review.

Gen Hosp Psychiatry

Bellvitge University Hospital, Psychiatry Department, Bellvitge Biomedical Research Institute (IDIBELL) Neurosciences Group - Psychiatry and Mental Health, Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Carlos III Health Institute, Spain; Department of Clinical Sciences, School of Medicine, Universitat de Barcelona, Barcelona, Spain. Electronic address:

Published: October 2018

AI Article Synopsis

Article Abstract

Background: Hyperventilation has been proposed as an augmentation strategy in electroconvulsive therapy (ECT) in accordance with its proconvulsant effect.

Objective: This study reviews the existing literature on the application of hyperventilation in ECT, its efficacy, and tolerance.

Methods: A systematic search was performed in PubMed and EMBASE databases. Search terms ('electroconvulsive therapy' and 'hyperventilation', 'ventilation', 'hyperoxygenation', 'hyperoxia', 'hypocapnia') were used to retrieve works from 1966 to June 2016. Works that described hyperventilation manoeuvres in ECT settings and their clinical repercussion were included in the review.

Results: A total of 17 observational and experimental studies were selected. An important heterogeneity in study designs, samples and ECT conditions, was detected. Findings support a positive influence of hyperventilation on seizure duration, which is the main study variable across different works. Effects of hyperventilation on seizure threshold and quality parameters have been less thoroughly studied. Systematic recording of clinical outcomes and adverse effects of hyperventilation is uncommon.

Conclusions: The literature suggests that hyperventilation may be an effective and safe technique to enhance ECT, but many aspects remain to be studied. Further investigations, especially controlled clinical trials, are necessary and should result in a specific and reliable hyperventilation protocol for ECT settings.

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Source
http://dx.doi.org/10.1016/j.genhosppsych.2017.09.003DOI Listing

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