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Feedback of end-tidal pCO2 as a therapeutic approach for panic disorder

Meuret, Alicia E. and Wilhelm, Frank H. and Ritz, Thomas and Roth, Walton T.. (2008) Feedback of end-tidal pCO2 as a therapeutic approach for panic disorder. Journal of psychiatric research, 42 (7). pp. 560-568.

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Abstract

BACKGROUND: Given growing evidence that respiratory dysregulation is a central feature of panic disorder (PD) interventions for panic that specifically target respiratory functions could prove clinically useful and scientifically informative. We tested the effectiveness of a new, brief, capnometry-assisted breathing therapy (BRT) on clinical and respiratory measures in PD. METHODS: Thirty-seven participants with PD with or without agoraphobia were randomly assigned to BRT or to a delayed-treatment control group. Clinical status, respiration rate, and end-tidal pCO(2) were assessed at baseline, post-treatment, 2-month and 12-month follow-up. Respiratory measures were also assessed during homework exercises using a portable capnometer as a feedback device. RESULTS: Significant improvements (in PD severity, agoraphobic avoidance, anxiety sensitivity, disability, and respiratory measures) were seen in treated, but not untreated patients, with moderate to large effect sizes. Improvements were maintained at follow-up. Treatment compliance was high for session attendance and homework exercises; dropouts were few. CONCLUSIONS: The data provide preliminary evidence that raising end-tidal pCO(2) by means of capnometry feedback is therapeutically beneficial for panic patients. Replication and extension will be needed to verify this new treatment's efficacy and determine its mechanisms.
Faculties and Departments:07 Faculty of Psychology
07 Faculty of Psychology > Departement Psychologie > Ehemalige Einheiten Psychologie > Abteilung Klinische Psychologie und Psychiatrie
07 Faculty of Psychology > Departement Psychologie > Ehemalige Einheiten Psychologie > Psychophysiologie (Wilhelm)
UniBasel Contributors:Wilhelm, Frank H
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Pergamon Press
ISSN:0022-3956
Note:Publication type according to Uni Basel Research Database: Journal article
Language:English
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Last Modified:28 Sep 2017 15:31
Deposited On:22 Mar 2012 13:42

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