LEOSound – Ein innovatives Verfahren zum akustischen Langzeit-Monitoring von asthmatischen Symptomen (Wheezing und Husten) bei Kindern und Erwachsenen

Zusammenfassung

Klassische Symptome des Asthma bronchiale sind Giemen (Wheezing), trockener Husten und Luftnot. Patienten, insbesondere Kinder, mit einem nächtlichen Asthma leiden zudem unter Schlafstörungen sowie einer beeinträchtigten Tagesbefindlichkeit. Die Diagnosefindung im Kindesalter erweist sich als schwierig, da sich die Symptombeschreibung in der Regel auf Aussagen der Eltern oder der Kinder bezieht. Die subjektive Beurteilung von Husten- und Wheezingereignissen weist jedoch eine hohe Fehlerquote auf. Demzufolge erscheint eine objektive Erfassung klinischer Asthmasymptome im Zeitverlauf sinnvoll. In dieser Arbeit wird ein mobiles Langzeitrekordersystem (LEOSound) vorgestellt, mit dem Wheezing und Husten aufgezeichnet und analysiert werden können. Damit sollen Diagnosestellung und Monitoring des Asthma bronchiale optimiert werden.

Abstract

Particularly in young children the diagnosis of asthma is difficult and mostly based on clinical symptoms like wheezing, cough and dyspnea. Children with nocturnal wheezing often suffer from a low quality of sleep and impaired sense of well-being during the day. Physicians recommend that parents record the frequency of asthma attacks or symptoms to help manage their children’s disease. The lack of an appropriate method for standardized and objective monitoring makes asthma management difficult. The aim of this paper is to present a new method for automated wheeze and cough detection and analysis. The mobile LEOSound recording and analysing system described here should help improve diagnosis and monitoring of asthma symptoms in children.

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