Ultrasonographic modeling of diaphragm function: A novel approach to respiratory assessment

Danielle N O’Hara, Andrey Pavlov, Erin Taub and Sahar Ahmad

PLOS ONE, 2020, vol. 15, issue 3, 1-6

Abstract: Objectives: Bedside ultrasound techniques have the unique ability to produce instantaneous, dynamic images, and have demonstrated widespread utility in both emergency and critical care settings. The aim of this article is to introduce a novel application of this imaging modality by utilizing an ultrasound based mathematical model to assess respiratory function. With validation, the proposed models have the potential to predict pulmonary function in patients who cannot adequately participate in standard spirometric techniques (inability to form tight seal with mouthpiece, etc.). Methods: Ultrasound was used to measure diaphragm thickness (Tdi) in a small population of healthy, adult males at various points of the respiratory cycle. Each measurement corresponded to a generated negative inspiratory force (NIF), determined by a handheld meter. The data was analyzed using mixed models to produce two representative mathematical models. Results: Two mathematical models represented the relationship between Tdi and NIFmax, or maximum inspiratory pressure (MIP), both of which were statistically significant with p-values

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0229972

DOI: 10.1371/journal.pone.0229972

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