Cited by 213Electroconvulsive Therapy StudiesTranscranial Magnetic Stimulation StudiesNeurological disorders and treatments

Electroconvulsive Therapy Stimulus Parameters: Rethinking Dosage

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Peterchev, Angel V., Rosa, Moacyr A., Deng, Zhi-De, Prudic, Joan, Lisanby, Sarah H.·2010·The Journal of ECT

Abstract

In this article, we review the parameters that define the electroconvulsive therapy (ECT) electrical stimulus and discuss their biophysical roles. We also present the summary metrics of charge and energy that are conventionally used to describe the dose of ECT and the rules commonly deployed to individualize the dose for each patient. We then highlight the limitations of these summary metrics and dosing rules in that they do not adequately capture the roles of the distinct stimulus parameters. Specifically, there is strong theoretical and empirical evidence that stimulus parameters (pulse amplitude, shape, and width, and train frequency, directionality, polarity, and duration) exert unique neurobiological effects that are important for understanding ECT outcomes. Consideration of the distinct stimulus parameters, in conjunction with electrode placement, is central to further optimization of ECT dosing paradigms to improve the risk-benefit ratio. Indeed, manipulation of specific parameters, such as reduction of pulse width and increase in number of pulses, has already resulted in dramatic reduction of adverse effects, while maintaining efficacy. Furthermore, the manipulation of other parameters, such as current amplitude, which are commonly held at fixed, high values, might be productively examined as additional means of targeting and individualizing the stimulus, potentially reducing adverse effects. We recommend that ECT dose be defined using all stimulus parameters rather than a summary metric. All stimulus parameters should be noted in treatment records and published reports. To enable research on optimization of dosing paradigms, we suggest that ECT devices provide capabilities to adjust and display all stimulus parameters.

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  • Preclinical research has suggested that lower-frequency ranges may be more effective in seizure induction, with magnetic seizure therapy at approximately 22 Hz.

    “Furthermore, preclinical research has suggested that lower-frequency ranges may be more effective in seizure induction, with MST at approximately 22 Hz.27”

    From Magnetic seizure therapy is efficacious and well tolerated for treatment-resistant bipolar depression: An open-label clinical trial (2020) · cites this paper as [27]

    Section III.2 says lower frequencies may be more efficient than higher frequencies for seizure induction, while noting that an optimum has not been determined. The evidence discussed there concerns ECT and related stimulation; our copy does not support the specific attribution to preclinical MST research at approximately 22 Hz. (LLM, conf=0.86)

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Research works printed but not linked: 5

  1. [16]Abrams R Electroconvulsive therapy 4 New York Oxford Unversity Press 2002
  2. [46]Gordon D Palmer RL The electrical and radiological aspects of ECT Electroconvulsive Therapy: An Appraisal New York Oxford University Press 1981 79 96
  3. [87]Sackeim H Magnetic stimulation therapy and ECT Convuls Ther 1994 10 255 258 7850394
  4. [150]Ajmone Marsan C Purpura DP Penry JK Tower DB Focal electrical stimulation Experimental Models of Epilepsy-A Manual for the Laboratory Worker New York Raven Press 1972 147 172
  5. [158]Marsden CD Merton PA Morton HB Desmedt J Direct stimulation of corticospinal pathways through the intact scalp in human subjects Motor Control Mechanisms in Health and Disease New York, NY Raven Press 1982 387 392

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Authors
Peterchev, A. V., Rosa, M. A., Deng, Z.-D., Prudic, J., & Lisanby, S. H.
Affiliations
New York State Psychiatric Institute (US)
Corresponding author
  • Peterchev, Angel V.
  • Rosa, Moacyr A.
  • Deng, Zhi-De
  • Prudic, Joan
  • Lisanby, Sarah H.
Venue
The Journal of ECT
Published
2010-09
Volume
26
Issue
3
Pages
159-174
ISSN
1095-0680 (ISSN-L)
OpenAlex
W2409179351
Cited by
213
References
182
Citations by year
2026: 17 · 2025: 15 · 2024: 9 · 2023: 28 · 2022: 7 · 2021: 15 · 2020: 19 · 2019: 15 · 2018: 9 · 2017: 11 · 2016: 13 · 2015: 11 · 2014: 12 · 2013: 14 · 2012: 8
FWCI
1.45
Type
journal article
Language
en
Open access
Locations
  • Journal of Ect (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute of Mental Health (MH60884, R01MH060884, R01MH091083)
  • National Center for Research Resources (TL1RR024158)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Electroconvulsive Therapy Studies
  • Life Sciences › Neuroscience › Neurology › Transcranial Magnetic Stimulation Studies
  • Health Sciences › Medicine › Neurology › Neurological disorders and treatments
Keywords
electroconvulsive therapy, pulse amplitude, pulse duration, train frequency, polarity, electrode placement, individualized dosing, adverse effects
MeSH terms
Electroconvulsive Therapy, Evoked Potentials, Humans, Neurobiology, Treatment Outcome

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