NCT04645628招募中不适用
Optimization of the Acquisition Sequence to Improve the Quality and Comfort of Magnetic Resonance Imaging Exam
Central Hospital, Nancy, France1 个研究点 分布在 1 个国家目标入组 720 人开始时间: 2020年12月4日最近更新:
适应症
干预措施
试验速览
- 阶段
- 不适用
- 状态
- 招募中
- 发起方
- 入组人数
- 720
- 试验地点
- 1
- 主要终点
- Image quality based on standard imaging quality criteria.
研究概览
简要总结
The purpose of this study is to evaluate the optimization of MRI acquisition sequences.
研究设计
- 研究类型
- Interventional
- 分配方式
- Na
- 干预模型
- Single Group
- 主要目的
- Other
- 盲法
- None
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •for all subjects :
- •to be over 18 year-old,
- •to be able to understand the instructions given,
- •to be enrolled in a social security plan,
- •to have underwent a pre-inclusion medical examination,
- •to give a written consent.
- •Inclusion Criteria especially for Patients :
- •to perform a MRI examination of the head, neck, spine, thorax, abdomen, pelvis, retroperitoneum, lower limbs, upper limbs or whole body during clinical follow-up care.
排除标准
- •for all subjects :
- •any contraindication to MR examination (active medical device, ferromagnetic foreign body, pregnancy, morbid obesity, claustrophobia, … ),
- •subject under a measure of legal protection.
- •Exclusion Criteria especially for Healthy Subjects :
- •to have a pathology in the anatomical area to be imaged
- •to be employed by the CHRU of Nancy or having the slightest link of subordination with the CHRU of Nancy.
- •Exclusion Criteria especially for Patients :
- •to have a limited MRI examination time due to a sensitive clinical situation (sedation, unstable hemodynamic state, postoperative).
研究组 & 干预措施
All subjects will have an MRI examination
Experimental
干预措施: MRI examination (Other)
结局指标
主要结局
Image quality based on standard imaging quality criteria.
时间窗: 6 months after the last inclusion
The image quality will be appreciated visually at least by a radiologist or a researcher.
次要结局
- Comparison of the Signal to Noise Ratio obtained by the optimized MRI sequence and the reference situation (standard sequence).(6 months after the last inclusion)
- Evaluation of intra-subject reproducibility on the same MRI and on two MRIs.(6 months after the last inclusion)
- Comparison of the Contrast to Noise Ratio obtained by the optimized MRI sequence and the reference situation (standard sequence).(6 months after the last inclusion)
- Comparison of blurring and artefacts obtained by the optimized MRI sequence and the reference situation (standard sequence).(6 months after the last inclusion)
- Comparison of the spatial resolution obtained by the optimized MRI sequence and the reference situation (standard sequence).(6 months after the last inclusion)
- Qualification of the MRI acquisition for a clinical study.(6 months after the inclusion)
- Comparison of the acquisition time obtained with the optimized MRI sequence and the reference situation (standard sequence).(6 months after the last inclusion)
研究者
Valérie LAURENT
MD, PhD
Central Hospital, Nancy, France
研究点 (1)
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