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Suicidality Associated With Deep Brain Stimulation in Extrapyramidal Diseases: A Critical Review and Hypotheses on Neuroanatomical and Neuroimmune Mechanisms

Authors
  • Costanza, Alessandra1, 2
  • Radomska, Michalina3
  • Bondolfi, Guido1, 4
  • Zenga, Francesco5
  • Amerio, Andrea6, 7, 8
  • Aguglia, Andrea6, 7
  • Serafini, Gianluca6, 7
  • Amore, Mario6, 7
  • Berardelli, Isabella9
  • Pompili, Maurizio9
  • Nguyen, Khoa D.10, 11, 12
  • 1 Department of Psychiatry, Faculty of Medicine, University of Geneva (UNIGE), Geneva , (Switzerland)
  • 2 Department of Psychiatry, ASO Santi Antonio e Biagio e Cesare Arrigo Hospital, Alessandria , (Italy)
  • 3 Faculty of Psychology, University of Geneva (UNIGE), Geneva , (Switzerland)
  • 4 Department of Psychiatry, Service of Liaison Psychiatry and Crisis Intervention (SPLIC), Geneva University Hospitals (HUG), Geneva , (Switzerland)
  • 5 Department of Neurosurgery, University and City of Health and Science Hospital, Turin , (Italy)
  • 6 Section of Psychiatry, Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genova, Genova , (Italy)
  • 7 Department of Psychiatry, IRCCS Ospedale Policlinico San Martino, Genoa , (Italy)
  • 8 Mood Disorders Program, Tufts Medical Center, Boston, MA , (United States)
  • 9 Department of Neurosciences, Mental Health and Sensory Organs, Suicide Prevention Center, Sant’Andrea Hospital, Sapienza University of Rome, Rome , (Italy)
  • 10 Department of Microbiology and Immunology, Stanford University, Palo Alto, CA , (United States)
  • 11 Tranquis Therapeutics, Palo Alto, CA , (United States)
  • 12 Hong Kong University of Science and Technology, Hong Kong , (China)
Type
Published Article
Journal
Frontiers in Integrative Neuroscience
Publisher
Frontiers Media SA
Publication Date
Apr 08, 2021
Volume
15
Identifiers
DOI: 10.3389/fnint.2021.632249
Source
Frontiers
Keywords
Disciplines
  • Neuroscience
  • Hypothesis and Theory
License
Green

Abstract

Deep brain stimulation (DBS) is a very well-established and effective treatment for patients with extrapyramidal diseases. Despite its generally favorable clinical efficacy, some undesirable outcomes associated with DBS have been reported. Among such complications are incidences of suicidal ideation (SI) and behavior (SB) in patients undergoing this neurosurgical procedure. However, causal associations between DBS and increased suicide risk are not demonstrated and they constitute a debated issue. In light of these observations, the main objective of this work is to provide a comprehensive and unbiased overview of the literature on suicide risk in patients who received subthalamic nucleus (STN) and internal part of globus pallidum (GPi) DBS treatment. Additionally, putative mechanisms that might be involved in the development of SI and SB in these patients as well as caveats associated with these hypotheses are introduced. Finally, we briefly propose some clinical implications, including therapeutic strategies addressing these potential disease mechanisms. While a mechanistic connection between DBS and suicidality remains a controversial topic that requires further investigation, it is of critical importance to consider suicide risk as an integral component of candidate selection and post-operative care in DBS.

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