Assessment of Velopharyngeal Function with Dual-planar High-resolution Real-time Spiral Dynamic MRI

Overview

Journal Magn Reson Med

Publisher Wiley

Specialty Radiology

Date 2018 Mar 7

PMID 29508458

Citations 8

Authors

Xue Feng

Silvia S Blemker

Josh Inouye

Catherine M Pelland

Li Zhao

Craig H Meyer

Affiliations

Soon will be listed here.

Abstract

Purpose: To develop a real-time dynamic MRI method for comprehensive evaluation of velum movement during speech.

Methods: Dynamic MRI has been used to study velopharyngeal insufficiency (VPI) by imaging the movement of the velum during speech, because it can provide good anatomic details with no exposed radiation. To be able to comprehensively evaluate dynamic velum movement, a real-time spiral non-balanced SSFP sequence was developed with simultaneous dual-planar coverage and improved spatial and temporal resolution using a combination of parallel imaging and spatial and temporal compressed sensing to achieve 6 × acceleration. New off-resonance correction and post-processing methods were also developed to reduce blurring and slice crosstalk.

Results: The method demonstrated good image quality for visualizing dynamic velum movement with reduced blurring and improved image homogeneity. Spatial resolution of 1.2*1.2 mm with 150 mm FOV and temporal resolution of 20 frames-per-second with simultaneous dual-planar coverage was achieved.

Conclusions: This work describes a new technique for studying speech disorders using dual-planar accelerated spiral dynamic MRI.

Citing Articles

Automatic Multiple Articulator Segmentation in Dynamic Speech MRI Using a Protocol Adaptive Stacked Transfer Learning U-NET Model.

Erattakulangara S, Kelat K, Meyer D, Priya S, Lingala S Bioengineering (Basel). 2023; 10(5).

PMID: 37237693 PMC: 10215398. DOI: 10.3390/bioengineering10050623.

Cardiac MR: From Theory to Practice.

Ismail T, Strugnell W, Coletti C, Bozic-Iven M, Weingartner S, Hammernik K Front Cardiovasc Med. 2022; 9:826283.

PMID: 35310962 PMC: 8927633. DOI: 10.3389/fcvm.2022.826283.

Realistic Dynamic Numerical Phantom for MRI of the Upper Vocal Tract.

Martin J, Ruthven M, Boubertakh R, Miquel M J Imaging. 2021; 6(9).

PMID: 34460743 PMC: 8320850. DOI: 10.3390/jimaging6090086.

A multispeaker dataset of raw and reconstructed speech production real-time MRI video and 3D volumetric images.

Lim Y, Toutios A, Bliesener Y, Tian Y, Lingala S, Vaz C Sci Data. 2021; 8(1):187.

PMID: 34285240 PMC: 8292336. DOI: 10.1038/s41597-021-00976-x.

Real-time dynamic vocal tract imaging using an accelerated spiral GRE sequence and low rank plus sparse reconstruction.

Feng X, Wang Z, Meyer C Magn Reson Imaging. 2021; 80:106-112.

PMID: 33957210 PMC: 8169591. DOI: 10.1016/j.mri.2021.04.016.

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