Akustische Informationen von Schnarchgeräuschen

ZusammenfassungHintergrundMehr als ein Drittel aller Menschen schnarchen regelmäßig. Schnarchen ist ein häufiges Begleitsymptom einer obstruktiven Schlafapnoe (OSA) und wirkt zusätzlich störend auf den Bettpartner.Ziel der ArbeitDiese Arbeit gibt eine Übersicht über die Historie und den Stand der Forschung hinsichtlich der akustischen Analyse des Schnarchens zur Klassifizierung des OSA-Schweregrads, zur Detektion obstruktiver Ereignisse, zur Messung der Lästigkeit und zur Identifikation des Schallentstehungsorts.Material und MethodenMit Blick auf die genannten Zielsetzungen wurden Recherchen in den Literaturdatenbanken PubMed und IEEE Xplore durchgeführt und aus den Suchergebnissen diejenigen Publikationen ausgewählt, die sich laut Titel und Abstract mit der jeweiligen Zielstellung befassen.ErgebnisseEs wurden insgesamt 48 Publikationen zu den genannten Zielstellungen berücksichtigt. Limitierender Faktor vieler Arbeiten ist die geringe Anzahl der Probanden, auf denen die Untersuchungen basieren.SchlussfolgerungJüngere Forschungsergebnisse zeigen vielversprechende Ergebnisse, sodass akustische Analysen in der Zukunft einen Platz im Rahmen der Schlafdiagnostik als Ergänzung der anerkannten Standardverfahren finden können.AbstractBackgroundMore than one third of all people snore regularly. Snoring is a common accompaniment of obstructive sleep apnea (OSA) and is often disruptive for the bed partner.ObjectiveThis work gives an overview of the history of and state of research on acoustic analysis of snoring for classification of OSA severity, detection of obstructive events, measurement of annoyance, and identification of the sound excitation location.Materials and methodsBased on these objectives, searches were conducted in the literature databases PubMed and IEEE Xplore. Publications dealing with the respective objectives according to title and abstract were selected from the search results.ResultsA total of 48 publications concerning the above objectives were considered. The limiting factor of many studies is the small number of subjects upon which the analyses are based.ConclusionRecent research findings show promising results, such that acoustic analysis may find a place in the framework of sleep diagnostics, thus supplementing the recognized standard methods.

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