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  1. Article ; Online: Multimodality Cardiac Imaging and the Imaging Workforce in the United States: Diversity, Disparities, and Future Directions.

    Bullock-Palmer, Renee P / Flores Rosario, Karen / Douglas, Pamela S / Hahn, Rebecca T / Lang, Roberto M / Chareonthaitawee, Panithaya / Srichai, Monvadi B / Ordovas, Karen G / Baldassarre, Lauren A / Burroughs, Melissa S / Henderson, Cory S / Woodard, Pamela K / Pressoir, Kathleen / Swaminathan, Madhav / Blankstein, Ron / Daubert, Melissa A

    Circulation. Cardiovascular imaging

    2024  Volume 17, Issue 2, Page(s) e016409

    Abstract: Innovations in cardiac imaging have fundamentally advanced the understanding and treatment of cardiovascular disease. These advances in noninvasive cardiac imaging have also expanded the role of the cardiac imager and dramatically increased the demand ... ...

    Abstract Innovations in cardiac imaging have fundamentally advanced the understanding and treatment of cardiovascular disease. These advances in noninvasive cardiac imaging have also expanded the role of the cardiac imager and dramatically increased the demand for imagers who are cross-trained in multiple modalities. However, we hypothesize that there is significant variation in the availability of cardiac imaging expertise and a disparity in the adoption of advanced imaging technologies across the United States. To evaluate this, we have brought together the leaders of cardiovascular imaging societies, imaging trainees, as well as collaborated with national imaging accreditation commissions and imaging certification boards to assess the state of cardiac imaging and the diversity of the imaging workforce in the United States. Aggregate data confirm the presence of critical gaps, such as limited access to imaging and imaging expertise in rural communities, as well as disparities in the imaging workforce, notably among women and underrepresented minorities. Based on these results, we have proposed solutions to promote and maintain a robust and diverse community of cardiac imagers and improve equity and accessibility for cardiac imaging technologies.
    MeSH term(s) Humans ; Female ; United States ; Workforce ; Minority Groups ; Cardiovascular Diseases ; Multimodal Imaging ; Cardiac Imaging Techniques
    Language English
    Publishing date 2024-02-20
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2435045-X
    ISSN 1942-0080 ; 1941-9651
    ISSN (online) 1942-0080
    ISSN 1941-9651
    DOI 10.1161/CIRCIMAGING.123.016409
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Quantitative analysis of functional reconstructions reveals lateral and axial zonation in the renal inner medulla.

    Pannabecker, Thomas L / Henderson, Cory S / Dantzler, William H

    American journal of physiology. Renal physiology

    2008  Volume 294, Issue 6, Page(s) F1306–14

    Abstract: Three-dimensional functional reconstructions of descending thin limbs (DTLs) and ascending thin limbs (ATLs) of loops of Henle, descending vasa recta (DVR), ascending vasa recta (AVR), and collecting ducts (CDs) permit quantitative definition of lateral ... ...

    Abstract Three-dimensional functional reconstructions of descending thin limbs (DTLs) and ascending thin limbs (ATLs) of loops of Henle, descending vasa recta (DVR), ascending vasa recta (AVR), and collecting ducts (CDs) permit quantitative definition of lateral and axial zones of probable functional significance in rat inner medulla (IM). CD clusters form the organizing motif for loops of Henle and vasa recta in the initial 3.0-3.5 mm of the IM. Using Euclidean distance mapping, we defined the lateral boundary of each cluster by pixels lying maximally distant from any CD. DTLs and DVR lie almost precisely on this independently defined boundary, placing them in the intercluster interstitium maximally distant from any CD. ATLs and AVR lie in a nearly uniform pattern throughout intercluster and intracluster regions, which we further differentiated by a polygon around CDs in each cluster. Loops associated with individual CD clusters show a similar axial exponential decrease as all loops together in the IM. Because approximately 3.0-3.5 mm below the IM base CD clusters cease to form the organizing motif, all DTLs lack aquaporin 1 (AQP1), and all vasa recta are fenestrated, we have designated the first 3.0-3.5 mm of the IM the "outer zone" (OZ) and the final 1.5-2.0 mm the "inner zone" (IZ). We further subdivided these into OZ-1, OZ-2, IZ-1, and IZ-2 on the basis of the presence of completely AQP1-null DTLs only in the first 1 mm and on broad transverse loop bends only in the final 0.5 mm. These transverse segments expand surface area for probable NaCl efflux around loop bends from approximately 40% to approximately 140% of CD surface area in the final 100 microm of the papilla.
    MeSH term(s) Animals ; Aquaporin 1/metabolism ; Chloride Channels/metabolism ; Imaging, Three-Dimensional ; Immunohistochemistry ; Kidney Concentrating Ability/physiology ; Kidney Medulla/blood supply ; Kidney Medulla/cytology ; Kidney Medulla/metabolism ; Loop of Henle/blood supply ; Loop of Henle/cytology ; Loop of Henle/metabolism ; Male ; Membrane Transport Proteins/metabolism ; Microcirculation ; Rats ; Rats, Wistar ; Renal Circulation ; Urea Transporters
    Chemical Substances Aqp1 protein, rat ; Chloride Channels ; Membrane Transport Proteins ; Aquaporin 1 (146410-94-8)
    Language English
    Publishing date 2008-04-16
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural
    ZDB-ID 603837-2
    ISSN 1522-1466 ; 1931-857X ; 0363-6127
    ISSN (online) 1522-1466
    ISSN 1931-857X ; 0363-6127
    DOI 10.1152/ajprenal.00068.2008
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    ab Jg. 2022: Lesesaal (EG)

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