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BioPsychoSocial Medicine

, 2:23

First Online: 18 November 2008Received: 22 August 2008Accepted: 18 November 2008

Abstract

BackgroundPanic disorder is one of the anxiety disorders, and anxiety is associated with some locomotor activity changes such as -restlessness-. However, there have been few studies on locomotor activity in panic disorder using actigraphy, although many studies on other psychiatric disorders have been reported using actigraphy. Therefore, the aim of the present study was to investigate the relationship between panic disorder and locomotor activity pattern using a wrist-worn activity monitor. In addition, an ecological momentary assessment technique was used to record panic attacks in natural settings.

MethodsSixteen patients with panic disorder were asked to wear a watch-type computer as an electronic diary for recording panic attacks for two weeks. In addition, locomotor activity was measured and recorded continuously in an accelerometer equipped in the watch-type computer. Locomotor activity data were analyzed using double cosinor analysis to calculate mesor and the amplitude and acrophase of each of the circadian rhythm and 12-hour harmonic component. Correlations between panic disorder symptoms and locomotor activity were investigated.

ResultsThere were significant positive correlations between the frequency of panic attacks and mesor calculated from double cosinor analysis of locomotor activity r = 0.55 and between HAM-A scores and mesor calculated from double cosinor analysis of locomotor activity r = 0.62.

ConclusionPanic disorder patients with more panic attacks and more anxiety have greater objectively assessed locomotor activity, which may reflect the -restlessness- of anxiety disorders.

Electronic supplementary materialThe online version of this article doi:10.1186-1751-0759-2-23 contains supplementary material, which is available to authorized users.

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Autor: Noriyuki Sakamoto - Kazuhiro Yoshiuchi - Hiroe Kikuchi - Yoshiyuki Takimoto - Hisanobu Kaiya - Hiroaki Kumano - Yoshiharu Y

Fuente: https://link.springer.com/



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