Cited by 64Neurological disorders and treatmentsObsessive-Compulsive Spectrum DisordersTreatment of Major Depression

Intraoperative neural signals predict rapid antidepressant effects of deep brain stimulation

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Sendi, Mohammad S. E., Waters, Allison C., Tiruvadi, Vineet, Riva-Posse, Patricio, Crowell, Andrea, Isbaine, Faical, Gale, John T., Choi, Ki Sueng +3 more·2021·Translational Psychiatry

Abstract

Deep brain stimulation (DBS) of the subcallosal cingulate (SCC) is a promising intervention for treatment-resistant depression (TRD). Despite the failure of a clinical trial, multiple case series have described encouraging results, especially with the introduction of improved surgical protocols. Recent evidence further suggests that tractography targeting and intraoperative exposure to stimulation enhances early antidepressant effects that further evolve with ongoing chronic DBS. Accelerating treatment gains is critical to the care of this at-risk population, and identification of intraoperative electrophysiological biomarkers of early antidepressant effects will help guide future treatment protocols. Eight patients underwent intraoperative electrophysiological recording when bilateral DBS leads were implanted in the SCC using a connectomic approach at the site previously shown to optimize 6-month treatment outcomes. A machine learning classification method was used to discriminate between intracranial local field potentials (LFPs) recorded at baseline (stimulation-naïve) and after the first exposure to SCC DBS during surgical procedures. Spectral inputs (theta, 4-8 Hz; alpha, 9-12 Hz; beta, 13-30 Hz) to the model were then evaluated for importance to classifier success and tested as predictors of the antidepressant response. A decline in depression scores by 45.6% was observed after 1 week and this early antidepressant response correlated with a decrease in SCC LFP beta power, which most contributed to classifier success. Intraoperative exposure to therapeutic stimulation may result in an acute decrease in symptoms of depression following SCC DBS surgery. The correlation of symptom improvement with an intraoperative reduction in SCC beta power suggests this electrophysiological finding as a biomarker for treatment optimization.

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  • For SCC DBS, consistent tractography-based targeting of a site structurally connected to the forceps minor, uncinate fasciculus, cingulum bundle, and frontostriatal fibers was associated with an 88% response rate.

    “For SCC DBS, consistent tractographybased targeting of a site in the SCC region structurally connected to the forceps minor, uncinate fasciculus, cingulum bundle, and frontostriatal fibers was associated with an 88% response rate [88]”

    From Deep brain stimulation for depression. (2022) · cites this paper as [88]

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Authors
Sendi, M. S. E., Waters, A. C., Tiruvadi, V., Riva-Posse, P., Crowell, A., Isbaine, F., Gale, J. T., Choi, K. S., Gross, R. E., S. Mayberg, H., & Mahmoudi, B.
Affiliations
  • Georgia Institute of Technology (US)
  • Icahn School of Medicine at Mount Sinai (US)
  • Emory University (US)
Venue
Translational Psychiatry
Published
2021-11-03
Volume
11
Issue
1
Pages
551-551
ISSN
2158-3188 (ISSN-L)
OpenAlex
W3208889148
Cited by
64
References
32
Citations by year
2026: 15 · 2025: 12 · 2024: 14 · 2023: 13 · 2022: 7 · 2021: 3
FWCI
4.42
Type
journal article
Language
en
Open access
Locations
  • Translational Psychiatry (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Institutes of Health (5ug3ns100559-02)
  • National Institute of Mental Health (R24MH114796, R01MH106173, R01MH102238)
  • National Institute of General Medical Sciences (T32GM008169)
  • National Institute of Neurological Disorders and Stroke (UH3NS103550, UG3-NS100559)
  • National Institute of Biomedical Imaging and Bioengineering (R01EB028350)
Topics
  • Health Sciences › Medicine › Neurology › Neurological disorders and treatments
  • Social Sciences › Psychology › Clinical Psychology › Obsessive-Compulsive Spectrum Disorders
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
Keywords
deep brain stimulation, subcallosal cingulate, treatment-resistant depression, beta power, electrophysiological markers, antidepressant response prediction, connectomics, machine learning classification
MeSH terms
Antidepressive Agents, Gyrus Cinguli, Humans, Treatment Outcome, Deep Brain Stimulation, Depressive Disorder, Treatment-Resistant

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