• Login
    View Item 
    •   Home
    • UA Faculty Research
    • UA Faculty Publications
    • View Item
    •   Home
    • UA Faculty Research
    • UA Faculty Publications
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Browse

    All of UA Campus RepositoryCommunitiesTitleAuthorsIssue DateSubmit DateSubjectsPublisherJournalThis CollectionTitleAuthorsIssue DateSubmit DateSubjectsPublisherJournal

    My Account

    LoginRegister

    About

    AboutUA Faculty PublicationsUA DissertationsUA Master's ThesesUA Honors ThesesUA PressUA YearbooksUA Catalogs

    Statistics

    Display statistics

    Volumetric MRI of the lungs during forced expiration

    • CSV
    • RefMan
    • EndNote
    • BibTex
    • RefWorks
    Thumbnail
    Name:
    LungFinal.pdf
    Size:
    1.472Mb
    Format:
    PDF
    Description:
    Final Accepted Manuscript
    Download
    Author
    Berman, Benjamin P.
    Pandey, Abhishek
    Li, Zhitao
    Jeffries, Lindsie
    Trouard, Theodore P.
    Oliva, Isabel
    Cortopassi, Felipe
    Martin, Diego R.
    Altbach, Maria I.
    Bilgin, Ali
    Affiliation
    Univ Arizona, Program Appl Math
    Univ Arizona, Dept Elect & Comp Engn
    Univ Arizona, Dept Biomed Engn
    Univ Arizona, Dept Med Imaging
    Issue Date
    2016-06
    Keywords
    spirometry
    forced expiration
    pulmonary
    compressed sensing
    
    Metadata
    Show full item record
    Publisher
    WILEY-BLACKWELL
    Citation
    Volumetric MRI of the lungs during forced expiration 2016, 75 (6):2295 Magnetic Resonance in Medicine
    Journal
    Magnetic Resonance in Medicine
    Rights
    © 2015 Wiley Periodicals, Inc.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    Purpose: Lung function is typically characterized by spirometer measurements, which do not offer spatially specific information. Imaging during exhalation provides spatial information but is challenging due to large movement over a short time. The purpose of this work is to provide a solution to lung imaging during forced expiration using accelerated magnetic resonance imaging. The method uses radial golden angle stack-of-stars gradient echo acquisition and compressed sensing reconstruction. Methods: A technique for dynamic three-dimensional imaging of the lungs from highly undersampled data is developed and tested on six subjects. This method takes advantage of image sparsity, both spatially and temporally, including the use of reference frames called bookends. Sparsity, with respect to total variation, and residual from the bookends, enables reconstruction from an extremely limited amount of data. Results: Dynamic three-dimensional images can be captured at sub-150 ms temporal resolution, using only three (or less) acquired radial lines per slice per timepoint. The images have a spatial resolution of 4.6 x 4.6 x 10 mm. Lung volume calculations based on image segmentation are compared to those from simultaneously acquired spirometer measurements. Conclusion: Dynamic lung imaging during forced expiration is made possible by compressed sensing accelerated dynamic three-dimensional radial magnetic resonance imaging. (C) 2015 Wiley Periodicals, Inc.
    Note
    Version of record online: 3 July 2015; 12 Months Embargo.
    ISSN
    07403194
    PubMed ID
    26140699
    DOI
    10.1002/mrm.25798
    Version
    Final accepted manuscript
    Sponsors
    Phoenix Chapter of the ARCS Foundation
    Additional Links
    http://doi.wiley.com/10.1002/mrm.25798
    ae974a485f413a2113503eed53cd6c53
    10.1002/mrm.25798
    Scopus Count
    Collections
    UA Faculty Publications

    entitlement

    Related articles

    • Golden-angle radial sparse parallel MRI: combination of compressed sensing, parallel imaging, and golden-angle radial sampling for fast and flexible dynamic volumetric MRI.
    • Authors: Feng L, Grimm R, Block KT, Chandarana H, Kim S, Xu J, Axel L, Sodickson DK, Otazo R
    • Issue date: 2014 Sep
    • Three-dimensional pulmonary perfusion MRI with radial ultrashort echo time and spatial-temporal constrained reconstruction.
    • Authors: Bauman G, Johnson KM, Bell LC, Velikina JV, Samsonov AA, Nagle SK, Fain SB
    • Issue date: 2015 Feb
    • Semiautomatic assessment of respiratory motion in dynamic MRI--comparison with simultaneously acquired spirometry.
    • Authors: Tetzlaff R, Eichinger M, Schöbinger M, Puderbach M, Meinzer HP, Kauczor HU
    • Issue date: 2008 Nov
    • Influence of temporal regularization and radial undersampling factor on compressed sensing reconstruction in dynamic contrast enhanced MRI of the breast.
    • Authors: Kim SG, Feng L, Grimm R, Freed M, Block KT, Sodickson DK, Moy L, Otazo R
    • Issue date: 2016 Jan
    • Multistage self-gated lung imaging in small rodents.
    • Authors: Tibiletti M, Kjørstad Å, Bianchi A, Schad LR, Stiller D, Rasche V
    • Issue date: 2016 Jun
    The University of Arizona Libraries | 1510 E. University Blvd. | Tucson, AZ 85721-0055
    Tel 520-621-6442 | repository@u.library.arizona.edu
    DSpace software copyright © 2002-2017  DuraSpace
    Quick Guide | Contact Us | Send Feedback
    Open Repository is a service operated by 
    Atmire NV
     

    Export search results

    The export option will allow you to export the current search results of the entered query to a file. Different formats are available for download. To export the items, click on the button corresponding with the preferred download format.

    By default, clicking on the export buttons will result in a download of the allowed maximum amount of items.

    To select a subset of the search results, click "Selective Export" button and make a selection of the items you want to export. The amount of items that can be exported at once is similarly restricted as the full export.

    After making a selection, click one of the export format buttons. The amount of items that will be exported is indicated in the bubble next to export format.