Juan Parra-Robles
Overview
Explore the profile of Juan Parra-Robles including associated specialties, affiliations and a list of published articles.
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Articles
32
Citations
405
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Recent Articles
1.
Bdaiwi A, Willmering M, Plummer J, Hussain R, Roach D, Parra-Robles J, et al.
Magn Reson Med
. 2024 Oct;
93(3):1220-1237.
PMID: 39480807
Purpose: Hyperpolarized Xe MRI presents opportunities to assess regional pulmonary microstructure and function. Ongoing advancements in hardware, sequences, and image processing have helped it become increasingly adopted for both research...
2.
Plummer J, Hussain R, Bdaiwi A, Soderlund S, Hoyos X, Lanier J, et al.
Magn Reson Med
. 2024 Jun;
92(4):1363-1375.
PMID: 38860514
Purpose: Hyperpolarized Xe MRI benefits from non-Cartesian acquisitions that sample k-space efficiently and rapidly. However, their reconstructions are complex and burdened by decay processes unique to hyperpolarized gas. Currently used...
3.
Chan H, Collier G, Parra-Robles J, Wild J
Magn Reson Med
. 2021 Feb;
86(1):514-525.
PMID: 33624325
Purpose: This work assesses the accuracy of the stretched exponential (SEM) and cylinder models of lung microstructural length scales that can be derived from hyperpolarized gas DWI. This was achieved...
4.
Abascal J, Desco M, Parra-Robles J
IEEE Trans Med Imaging
. 2018 Feb;
37(2):547-556.
PMID: 29408783
Diffusion MRI data are generally acquired using hyperpolarized gases during patient breath-hold, which yields a compromise between achievable image resolution, lung coverage, and number of -values. In this paper, we...
5.
Horn F, Marshall H, Collier G, Kay R, Siddiqui S, Brightling C, et al.
Radiology
. 2017 May;
284(3):854-861.
PMID: 28471738
Purpose To assess the magnitude of regional response to respiratory therapeutic agents in the lungs by using treatment response mapping (TRM) with hyperpolarized gas magnetic resonance (MR) imaging. TRM was...
6.
Marshall H, Horsley A, Taylor C, Smith L, Hughes D, Horn F, et al.
Thorax
. 2017 Mar;
72(8):760-762.
PMID: 28265032
Hyperpolarised He ventilation-MRI, anatomical lung MRI, lung clearance index (LCI), low-dose CT and spirometry were performed on 19 children (6-16 years) with clinically stable mild cystic fibrosis (CF) (FEV>-1.96), and...
7.
Stewart N, Parra-Robles J, Wild J
J Magn Reson
. 2016 Aug;
271:21-33.
PMID: 27526397
Existing models of (129)Xe diffusive exchange for lung microstructural modeling with time-resolved MR spectroscopy data have considered analytical solutions to one-dimensional, homogeneous models of the lungs with specific assumptions about...
8.
Chan H, Stewart N, Parra-Robles J, Collier G, Wild J
Magn Reson Med
. 2016 Jun;
77(5):1916-1925.
PMID: 27283321
Purpose: To demonstrate three-dimensional (3D) multiple b-value diffusion-weighted (DW) MRI of hyperpolarized He gas for whole lung morphometry with compressed sensing (CS). Methods: A fully-sampled, two b-value, 3D hyperpolarized He...
9.
Spoel M, Marshall H, IJsselstijn H, Parra-Robles J, Van der Wiel E, Swift A, et al.
Pediatr Pulmonol
. 2015 Oct;
51(5):517-24.
PMID: 26451536
Background: With increasing survival of patients with more severe forms of congenital diaphragmatic hernia (CDH) and risk of long-term respiratory morbidity, studies on lung morphology are needed. We used hyperpolarised...
10.
Tahir B, Van Holsbeke C, Ireland R, Swift A, Horn F, Marshall H, et al.
Radiology
. 2015 Sep;
278(2):585-92.
PMID: 26322908
Purpose: To compare lobar lung ventilation computed from expiratory and inspiratory computed tomographic (CT) data with direct measurements of ventilation at hyperpolarized helium 3 ((3)He) magnetic resonance (MR) imaging by...