用耳植入物进行磁共振成像的疼痛,安全性和图像质量:一个潜在的试验
Evan J Patel1, Xin Wu2, Joel McLouth2
1Department of Otolaryngology-Head & Neck Surgery, University of California San Francisco, San Francisco, California, USA.
概括
与固定磁铁相比,旋转耳植入器 (CI) 磁铁显著减少了MRI相关的疼痛. 这些可旋转的磁铁可以提高患者的舒适性,但不会大大降低大多数MRI手术的扫描效用.
科学领域:
- 生物医学工程 生物医学工程
- 医疗成像医学成像
- 耳鼻喉科 耳鼻喉科 耳鼻喉科
背景情况:
- 磁共振成像 (MRI) 对于诊断各种疾病至关重要.
- 耳植入物 (CIs) 由于其磁性组件,对MRI提出了挑战.
- 患者的舒适性和扫描的解释性是CIs的MRI期间的关键问题.
研究的目的:
- 评估可旋转的耳植入磁铁在MRI期间对患者舒适性的影响.
- 评估旋转CI磁铁对MRI扫描的可用性和可解释性的影响.
- 为了比较患者报告的疼痛和旋转和固定CI磁铁之间的MRI扫描质量.
主要方法:
- 在两个学术中心进行的前性队列研究.
- 招募了接受MRI的成年CI患者.
- 收集了疼痛评分,患者调查和神经放射学家对扫描解释性的评估.
主要成果:
- 与固定磁铁相比,旋转CI磁铁的平均疼痛得分增加明显较低 (0.7对4.0,P=.02).
- 没有报告磁位移或脱极化情况.
- 尽管有可测量的信号损失人工物,但100%的大脑MRI扫描被认为是可解释的,如果需要,70%的患者会接受重复MRI.
结论:
- 带有可旋转磁铁的耳植入物通过减少疼痛来提高MRI期间的患者舒适度.
- 可旋转磁铁是一种可行的选择,因为它们可以最大限度地减少文物,并保持MRI扫描的实用性.
- 这些发现支持在需要MRI的患者中使用旋转CI磁铁.
相关概念视频
01:13The Cochlea
44.1K
The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
44.1K
01:14Imaging Studies I: CT and MRI
134
Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
134
01:24Magnetic Resonance Imaging
4.8K
Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
4.8K