Author: Chiew, Yeong Shiong; Pretty, Christopher G; Beatson, Alex; Glassenbury, Daniel; Major, Vincent; Corbett, Simon; Redmond, Daniel; Szlavecz, Akos; Shaw, Geoffrey M; Chase, J Geoffrey
Title: Automated logging of inspiratory and expiratory non-synchronized breathing (ALIEN) for mechanical ventilation. Cord-id: ndsgu5lg Document date: 2015_1_1
ID: ndsgu5lg
Snippet: Asynchronous Events (AEs) during mechanical ventilation (MV) result in increased work of breathing and potential poor patient outcomes. Thus, it is important to automate AE detection. In this study, an AE detection method, Automated Logging of Inspiratory and Expiratory Non-synchronized breathing (ALIEN) was developed and compared between standard manual detection in 11 MV patients. A total of 5701 breaths were analyzed (median [IQR]: 500 [469-573] per patient). The Asynchrony Index (AI) was 51%
Document: Asynchronous Events (AEs) during mechanical ventilation (MV) result in increased work of breathing and potential poor patient outcomes. Thus, it is important to automate AE detection. In this study, an AE detection method, Automated Logging of Inspiratory and Expiratory Non-synchronized breathing (ALIEN) was developed and compared between standard manual detection in 11 MV patients. A total of 5701 breaths were analyzed (median [IQR]: 500 [469-573] per patient). The Asynchrony Index (AI) was 51% [28-78]%. The AE detection yielded sensitivity of 90.3% and specificity of 88.3%. Automated AE detection methods can potentially provide clinicians with real-time information on patient-ventilator interaction.
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