Abstract
Many pharmacological treatments were proved effective in the treatment of panic disorder (PD), generalized anxiety disorder (GAD), social anxiety disorder (SAD), post-traumatic stress disorder (PTSD), and obsessive-compulsive disorder (OCD); still many patients do not achieve remission with these treatments. Neurostimulation techniques have been studied as promising alternatives or augmentation treatments to pharmacological and psychological therapies. The most studied neurostimulation method for anxiety disorders, PTSD, and OCD was repetitive transcranial magnetic stimulation (rTMS). This neurostimulation technique had the highest level of evidence for GAD. There were also randomized sham-controlled trials indicating that rTMS may be effective in the treatment of PTSD and OCD, but there were conflicting findings regarding these two disorders. There is indication that rTMS may be effective in the treatment of panic disorder, but the level of evidence is low. Deep brain stimulation (DBS) was most studied for treatment of OCD, but the randomized sham-controlled trials had mixed findings. Preliminary findings indicate that DBS could be affective for PTSD. There is weak evidence indicating that electroconvulsive therapy, transcranial direct current stimulation, vagus nerve stimulation, and trigeminal nerve stimulation could be effective in the treatment of anxiety disorders, PTSD, and OCD. Regarding these disorders, there is no support in the current literature for the use of neurostimulation in clinical practice. Large high-quality studies are warranted.
Parts of the chapter were previously published in Understanding Depression Volume II, pp. 277–288, Springer Nature, 2018.
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Abbreviations
- ALIC:
-
Anterior limb of the internal capsule
- BOLD:
-
Blood-oxygen-level-dependent
- BST:
-
Bed nucleus of the stria terminalis
- CANMAT:
-
Canadian Network for Mood and Anxiety Treatments
- CAPS:
-
Clinician-administered post-traumatic stress disorder scale
- CES:
-
Cranial electrotherapy stimulation
- DBS:
-
Deep brain stimulation
- DLPFC:
-
Dorsolateral prefrontal cortex
- ECT:
-
Electroconvulsive therapy
- GAD:
-
Generalized anxiety disorder
- HAM-A:
-
Hamilton Anxiety Rating Scale
- IPG:
-
Implantable pulse generator
- iTBS:
-
Intermittent theta burst stimulation
- ITP:
-
Inferior thalamic peduncle
- MDD:
-
Major depressive disorder
- MFB:
-
Medial forebrain bundle
- MPFC:
-
Medial prefrontal cortex
- MRI:
-
Magnetic resonance imaging
- NAc:
-
Nucleus accumbens
- NS:
-
Neurostimulator.
- NTS:
-
Nucleus tractus solitarius
- OCD:
-
Obsessive-compulsive disorder
- OFC:
-
Orbitofrontal cortex
- PD:
-
Panic disorder
- PDSS:
-
Panic Disorder Severity Scale
- PTSD:
-
Post-traumatic stress disorder
- REAC:
-
Radio electric asymmetric conveyor
- RMT:
-
Resting motor threshold
- rTMS:
-
Repetitive transcranial magnetic stimulation
- SAD:
-
Social anxiety disorder
- SCC:
-
Subcallosal cingulate
- SMA:
-
Supplementary motor area
- STN:
-
Subthalamic nucleus
- tDCS:
-
Transcranial direct current stimulation
- TNS:
-
External Trigeminal Nerve Stimulation
- VC/VS:
-
Ventral internal capsule/ventral striatum
- VNS:
-
Vagus nerve stimulation
- Y-BOCS:
-
Yale-Brown Obsessive Compulsive Scale
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Freire, R.C., Cabrera-Abreu, C., Milev, R. (2020). Neurostimulation in Anxiety Disorders, Post-traumatic Stress Disorder, and Obsessive-Compulsive Disorder. In: Kim, YK. (eds) Anxiety Disorders. Advances in Experimental Medicine and Biology, vol 1191. Springer, Singapore. https://doi.org/10.1007/978-981-32-9705-0_18
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