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Front Integr Neurosci. 2014 Jan 2;7:98. doi: 10.3389/fnint.2013.00098. eCollection 2014.

Synergistic application of cardiac sympathetic decentralization and comprehensive psychiatric treatment in the management of anxiety and electrical storm.

Author information

1
Department of Psychiatry, Semel Institute for Neuroscience and Human Behavior, David Geffen School of Medicine, University of California Los Angeles, CA, USA ; Department of Medicine, UCLA Cardiac Arrhythmia Center, David Geffen School of Medicine, University of California Los Angeles Los Angeles, CA, USA.
2
Department of Medicine, Oppenheimer Family Center for Neurobiology of Stress, David Geffen School of Medicine, University of California Los Angeles Los Angeles, CA, USA.
3
Department of Medicine, UCLA Cardiac Arrhythmia Center, David Geffen School of Medicine, University of California Los Angeles Los Angeles, CA, USA.
4
Department of Psychiatry, Semel Institute for Neuroscience and Human Behavior, David Geffen School of Medicine, University of California Los Angeles, CA, USA.

Abstract

We report here, for the first time, two cases demonstrating a synergistic application of bilateral cardiac sympathetic decentralization and multimodal psychiatric treatment for the assessment and management of anxiety following recurrent Implantable Cardioverter Defibrillator (ICD) shocks. In a first case the combination of bilateral cardiac sympathetic decentralization (BCSD), cognitive behavioral psychotherapy and anxiolytic medication was sufficient to attenuate the patient's symptoms and maladaptive behaviors, with a maintained benefit at 1 year. Among the more prominent subjective changes in the post-lesion state we observed a decrease in aversive interoceptive sensations, particularly of the heartbeat. The patient continued to experience cognitive threat appraisals on a frequent basis, although these were no longer incapacitating. In a second case, we report the effect of BCSD on autonomic tone and subjective state. In the post-lesion state we observed attenuated sympathetic responses to the valsalva maneuver, isometric handgrip and mental arithmetic stressor, including decreased systolic and diastolic blood pressure and, decreased skin conductance. Collectively, these preliminary findings suggest that an integrative, multidisciplinary approach to treating anxiety disorders in the setting of ventricular arrhythmias and recurrent ICD shocks can result in sustained improvements in physical, psychological, and functional status. These findings raise the possibility of a potential role for the stellate ganglion in the modulation of emotional experience and afferent transmission of interoceptive information to the central nervous system.

KEYWORDS:

PTSD; anxiety disorders; autonomic nervous system; cognitive behavioral therapy; electrical storm; implantable cardioverter defibrillator; interoceptive awareness; stellate ganglion

PMID:
24427121
PMCID:
PMC3878030
DOI:
10.3389/fnint.2013.00098
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