Search Results - "Freitas, Andreia C."

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  1. 1

    Comparison of Cartesian and Non-Cartesian Real-Time MRI Sequences at 1.5T to Assess Velar Motion and Velopharyngeal Closure during Speech by Freitas, Andreia C, Wylezinska, Marzena, Birch, Malcolm J, Petersen, Steffen E, Miquel, Marc E

    Published in PloS one (13-04-2016)
    “…Dynamic imaging of the vocal tract using real-time MRI has been an active and growing area of research, having demonstrated great potential to become routinely…”
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    Journal Article
  2. 2

    Application of radial GRAPPA techniques to single‐ and multislice dynamic speech MRI using a 16‐channel neurovascular coil by Ruthven, Matthieu, Freitas, Andreia C., Boubertakh, Redha, Miquel, Marc E.

    Published in Magnetic resonance in medicine (01-09-2019)
    “…Purpose To investigate: (1) the feasibility of using through‐time radial GeneRalized Autocalibrating Partially Parallel Acquisitions (rGRAPPA) and hybrid…”
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    Journal Article
  3. 3

    Impact of truncating diffusion MRI scans on diffusional kurtosis imaging by Fouto, Ana R., Henriques, Rafael N., Golub, Marc, Freitas, Andreia C., Ruiz-Tagle, Amparo, Esteves, Inês, Gil-Gouveia, Raquel, Silva, Nuno A., Vilela, Pedro, Figueiredo, Patrícia, Nunes, Rita G.

    Published in Magma (New York, N.Y.) (01-10-2024)
    “…Objective Diffusional kurtosis imaging (DKI) extends diffusion tensor imaging (DTI), characterizing non-Gaussian diffusion effects but requires longer…”
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    Journal Article
  4. 4

    Improving B1+ parametric estimation in the brain from multispin‐echo sequences using a fusion bootstrap moves solver by Freitas, Andreia C., Gaspar, Andreia S., Sousa, Inês, Teixeira, Rui P. A. G., Hajnal, Joseph V., Nunes, Rita G.

    Published in Magnetic resonance in medicine (01-11-2021)
    “…Purpose To simultaneously estimate the B1+ field (along with the T2) in the brain with multispin‐echo (MSE) sequences and dictionary matching. Methods T2…”
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    Journal Article
  5. 5

    Real-time speech MRI: Commercial Cartesian and non-Cartesian sequences at 3T and feasibility of offline TGV reconstruction to visualise velopharyngeal motion by Freitas, Andreia C., Ruthven, Matthieu, Boubertakh, Redha, Miquel, Marc E.

    Published in Physica medica (01-02-2018)
    “…•Increase clinical reliability of real-time MRI in speech assessment.•Cartesian and non-Cartesian rt-MRI in temporal resolution/image quality…”
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  8. 8

    Improving B 1 + parametric estimation in the brain from multispin-echo sequences using a fusion bootstrap moves solver by Freitas, Andreia C, Gaspar, Andreia S, Sousa, Inês, Teixeira, Rui P A G, Hajnal, Joseph V, Nunes, Rita G

    Published in Magnetic resonance in medicine (01-11-2021)
    “…PURPOSETo simultaneously estimate the B 1 + field (along with the T2 ) in the brain with multispin-echo (MSE) sequences and dictionary matching. METHODST2…”
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    Journal Article
  9. 9

    Analysis Protocols for MRI Mapping of the Blood Oxygenation-Sensitive Parameters T 2 and T 2 in the Kidney by Periquito, João S, Starke, Ludger, Santos, Carlota M, Freitas, Andreia C, Loução, Nuno, Polo, Pablo García, Nunes, Rita G, Niendorf, Thoralf, Pohlmann, Andreas

    “…Renal hypoxia is generally accepted as a key pathophysiologic event in acute kidney injury of various origins and has also been suggested to play a role in the…”
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    Journal Article