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[Kinematic MRI using short TR single shot fast spin echo (SSFSE) in evaluating swallowing]
S Isogai1, Y Takehara, H Isoda
1Department of Radiology, Hamamatsu University School of Medicine.
Summary
Short TR (300 ms) SSFSE MR imaging effectively evaluates swallowing. Adding Fe to prune yogurt juice enhances visualization of the oropharynx during kinematic swallowing studies.
Area of Science:
- Magnetic Resonance Imaging
- Swallowing Physiology
Context:
- Kinematic Magnetic Resonance Imaging (MRI) is a valuable tool for studying complex physiological processes.
- Evaluating swallowing function requires high temporal and spatial resolution imaging techniques.
Purpose:
- To assess the utility of short TR single shot fast spin echo (SSFSE) MRI for evaluating the kinematics of swallowing.
- To determine the effectiveness of Fe-added prune yogurt juice as a positive contrast agent in swallowing studies.
Summary:
- Short TR (300 ms) SSFSE MRI sequences were employed in five healthy volunteers for kinematic swallowing imaging.
- The SSFSE sequence provided image contrast comparable to T1-weighted images, successfully depicting both buccal and pharyngeal swallowing stages.
- Fe-added prune yogurt juice served as an effective positive contrast agent, aiding in the visualization of anatomical structures.
Impact:
- Short TR SSFSE MRI is a viable technique for swallowing evaluation.
- The use of Fe-added prune yogurt juice can improve the delineation of oropharyngeal structures during swallowing assessments.