Results 181 to 190 of about 17,875,072 (289)

Adapted Linear Binning Method to Assess Pulmonary Ventilation and Perfusion in Children Using Lung Matrix Pencil Decomposition (MP)‐MRI

open access: yesMagnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To adapt and validate a linear binning technique, developed for hyper‐polarized 129Xe MRI, for functional lung MRI with matrix‐pencil decomposition (MP)‐MRI. Methods First, a dedicated normalization was applied to the perfusion‐weighted and the ventilation‐weighted map histograms.
Marion Curdy   +7 more
wiley   +1 more source

Image‐Derived Volumetry During Forced Expiration Using a 3D Fermat Looped, Orthogonally Encoded Trajectory

open access: yesMagnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To enable MRI‐based nongated 3D depiction of forced expiration with both high spatio‐temporal resolution and fidelity of lung dynamics. Methods An undersampled 3D Fermat looped, orthogonally encoded trajectory (FLORET) was optimized for nonsegmented dynamic acquisitions during forced expiration and a corresponding model‐based ...
Sebastian Scheidel   +6 more
wiley   +1 more source

Correlating Pulmonary Hemodynamics With HP 129Xe Dissolved‐Phase MRSI in a Controlled Porcine Intervention Study

open access: yesMagnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose Pulmonary hypertension is related to a 1‐year mortality ranging from < 5% to > 20% in low‐ and high‐risk groups. Right heart catheterization is the diagnostic gold standard, associated with a 1.1% rate of severe adverse events, posing the need for a non‐invasive diagnostic tool.
Markus Phillip Andersen   +7 more
wiley   +1 more source

Respiratory Care Trajectory in Patients With Duchenne Muscular Dystrophy in the Advanced Stage: A Retrospective Single‐Center Study

open access: yesMuscle &Nerve, EarlyView.
ABSTRACT Introduction/Aims Data on respiratory status and care in older adults with Duchenne muscular dystrophy (DMD) remain limited. This study aimed to characterize respiratory status, respiratory physiotherapy, and associated clinical features in patients with DMD aged ≥ 30 years.
Keisuke Yorimoto   +7 more
wiley   +1 more source

Emergencies in Amyotrophic Lateral Sclerosis

open access: yesMuscle &Nerve, EarlyView.
ABSTRACT Emergencies are frequent in people living with amyotrophic lateral sclerosis (pALS), especially as the disease progresses, and can necessitate urgent evaluation and intervention. Progressive weakness in ALS inevitably increases fall risk, making discussion of fall prevention strategies integral to caring for pALS.
S. Pinar Uysal   +9 more
wiley   +1 more source

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