Artifact Reduction 3.0 T MRI in Cochlear Implantation Recipient With Diametrically Bipolar Magnets.

IF 2.2 3区医学 Q3 MEDICINE, RESEARCH & EXPERIMENTAL

Laryngoscope Pub Date : 2025-04-01 DOI:10.1002/lary.32114

Xiaoqing Cen, Meng Wang, Chunxiang Zhou, Huiwen Zhuang, Jincangjian Sun, Qin Xiong, Kaitian Chen, Guanxia Xiong

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引用次数: 0

Abstract

Objectives: This study aims to explore the clinical results of the MAVRIC-SL sequence in 3.0 Tesla (T) magnetic resonance imaging (MRI) examination of cochlear implant recipients with diametrically bipolar magnets.

Study design: Retrospective study.

Methods: Six consecutive patients implanted with diametrically bipolar magnets received a 3.0 T MRI for necessary reexaminations. The artifact volumes (cm³) and maximum artifact areas (cm²) were measured before and after applying the MAVRIC-SL. Adverse events, including discomfort or pain (measured using VAS), skin temperatures, and magnet displacement, were also recorded.

Results: All enrolled patients completed the MRI scans. Significant reductions in artifact volumes and maximum areas were observed with the MAVRIC-SL sequence compared to others (p < 0.05 to < 0.01). Targeted disease regions, as well as the inner ear anatomy, were clearly revealed with MAVRIC-SL. One patient (aged 12) reported pain (VAS score: 8) during the scan, while others (aged 10-36) did not experience discomfort. Neither displacement nor tilt of the internal magnet was seen.

Conclusion: The MAVRIC-SL sequence represents a feasible and safe solution for 3 T MRI in cochlear implanters with diametrically bipolar magnets, providing a new option to meet clinical needs.

Level of evidence: 4:

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来源期刊

Laryngoscope 医学-耳鼻喉科学

CiteScore

6.50

自引率

7.70%

发文量

500

审稿时长

2-4 weeks

期刊介绍： The Laryngoscope has been the leading source of information on advances in the diagnosis and treatment of head and neck disorders since 1890. The Laryngoscope is the first choice among otolaryngologists for publication of their important findings and techniques. Each monthly issue of The Laryngoscope features peer-reviewed medical, clinical, and research contributions in general otolaryngology, allergy/rhinology, otology/neurotology, laryngology/bronchoesophagology, head and neck surgery, sleep medicine, pediatric otolaryngology, facial plastics and reconstructive surgery, oncology, and communicative disorders. Contributions include papers and posters presented at the Annual and Section Meetings of the Triological Society, as well as independent papers, "How I Do It", "Triological Best Practice" articles, and contemporary reviews. Theses authored by the Triological Society’s new Fellows as well as papers presented at meetings of the American Laryngological Association are published in The Laryngoscope. • Broncho-esophagology • Communicative disorders • Head and neck surgery • Plastic and reconstructive facial surgery • Oncology • Speech and hearing defects