Can audio coached 4D CT emulate free breathing during the treatment course?

Gitte F Persson, Ditte E Nygaard, Mikael Olsen, Trine Juhler-Nøttrup, Anders N Pedersen, Lena Specht, Stine Korreman

    22 Citations (Scopus)

    Abstract

    The image quality of 4DCT depends on breathing regularity. Respiratory audio coaching may improve regularity and reduce motion artefacts. We question the safety of coached planning 4DCT without coaching during treatment. We investigated the possibility of coaching to a more stable breathing without changing the breathing amplitude. The interfraction variation of the breathing cycle amplitude in free and coached breathing was studied as well as the possible impact of fatigue on longer coaching sessions.
    Original languageEnglish
    JournalActa oncologica
    Volume47
    Issue number7
    Pages (from-to)1397-405
    Number of pages9
    DOIs
    Publication statusPublished - 1 Jan 2008

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