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Impact of laughter on air trapping in severe chronic obstructive lung disease

Brutsche, Martin H. and Grossman, Paul and Müller, Rebekka E. and Wiegand, Jan and Pello, and Baty, Florent and Ruch, Willibald. (2008) Impact of laughter on air trapping in severe chronic obstructive lung disease. The International journal of chronic obstructive pulmonary disease, Vol. 3, H. 1. pp. 185-192.

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Official URL: http://edoc.unibas.ch/dok/A6006349

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Abstract

Static and dynamic hyperinflation is an important factor of exertional dyspnea in patients with severe COPD. This proof-of-concept intervention trial sought to study whether laughter can reduce hyperinflation through repetitive expiratory efforts in patients with severe COPD. For small groups of patients with severe COPD (n = 19) and healthy controls (n = 10) Pello the clown performed a humor intervention triggering regular laughter. Plethysmography was done before and up to 24 hours after intervention. Laughing and smiling were quantified with video-analysis. Real-time breathing pattern was assessed with the LifeShirt, and the psychological impact of the intervention was monitored with self-administered questionnaires. The intervention led to a reduction of TLC in COPD (p = 0.04), but not in controls (p = 0.9). TLC reduction was due to a decline of the residual volume. Four (22 [CI 95% 7 to 46] %) patients were < or = 10% responders. The frequency of smiling and TLC at baseline were independent predictors of TLC response. The humor intervention improved cheerfulness, but not seriousness nor bad mood. In conclusion, smiling induced by a humor intervention was able to reduce hyperinflation in patients with severe COPD. A smiling-derived breathing technique might complement pursed-lips breathing in patients with symptomatic obstruction.
Faculties and Departments:03 Faculty of Medicine > Bereich Medizinische Fächer (Klinik) > Pneumologie > Pneumologie (Tamm)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Medizinische Fächer (Klinik) > Pneumologie > Pneumologie (Tamm)
03 Faculty of Medicine > Bereich Medizinische Fächer (Klinik) > Psychosomatik
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Medizinische Fächer (Klinik) > Psychosomatik
UniBasel Contributors:Brutsche, Martin and Grossmann, Paul
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:DOVE Medical Press
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:04 Sep 2015 14:31
Deposited On:25 Apr 2014 08:00

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