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Brain Magnetic Resonance Elastography on Healthy Volunteers: A Safety Study

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机构: [1]Capital Med Univ, Imaging Ctr Neuroradiol, Beijing Neurosurg Inst, Affiliated Beijing Tiantan Hosp, Beijing 100050, Peoples R China; [2]Capital Med Univ, Dept Electroencephalogram, Beijing Neurosurg Inst, Affiliated Beijing Tiantan Hosp, Beijing, Peoples R China; [3]GE Healthcare, Beijing, Peoples R China; [4]Capital Med Univ, Imaging Ctr Neuroradiol, Beijing Neurosurg Inst, Affiliated Tiantan Hosp, Beijing 100050, Peoples R China
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关键词: Brain EEG magnetic resonance elastography safety

摘要:
Background: Magnetic resonance elastography (MRE) is a recently developed imaging technique that can directly visualize and quantitatively measure tissue elasticity. Purpose: To evaluate the safety of brain MRE on human subjects. Material and Methods: The study included 20 healthy volunteers. MRE sequence scan (drive signal not applied to external force actuator) and MRE study were separately performed on each volunteer at an interval of more than 24 hours. The heart rate and blood pressure of each volunteer were measured immediately before and after MRE sequence scan and MRE study. Electroencephalography (EEG) was also performed within 2 hours after each scan. The volunteers were asked about their experience of the two scans. Randomized-block analysis of variance (ANOVA) was used to analyze the data of blood pressure and heart rate. Paired t test was used to analyze the data of the two EEG examinations. The volunteers were followed up 1 week after the examination. Results: All procedures were performed on each volunteer, and no one complained of obvious discomfort. No related adverse events were reported during follow-up. There was no statistically significant difference in heart rate or blood pressure. There was a statistically significant difference (P0.05) in EEG results in the right temporoparietal region. Increased power was found in the theta, delta, alpha, and beta2 bands. No brain injury was detected by the EEG examinations. Conclusion: Based on the study results, brain MRE examinations are safe to perform on human subjects.

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出版当年[2008]版:
大类 | 4 区 医学
小类 | 4 区 核医学
最新[2025]版:
大类 | 4 区 医学
小类 | 4 区 核医学
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出版当年[2007]版:
Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
最新[2023]版:
Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

影响因子: 最新[2023版] 最新五年平均 出版当年[2007版] 出版当年五年平均 出版前一年[2006版] 出版后一年[2008版]

第一作者:
第一作者机构: [1]Capital Med Univ, Imaging Ctr Neuroradiol, Beijing Neurosurg Inst, Affiliated Beijing Tiantan Hosp, Beijing 100050, Peoples R China;
通讯作者:
通讯机构: [1]Capital Med Univ, Imaging Ctr Neuroradiol, Beijing Neurosurg Inst, Affiliated Beijing Tiantan Hosp, Beijing 100050, Peoples R China; [4]Capital Med Univ, Imaging Ctr Neuroradiol, Beijing Neurosurg Inst, Affiliated Tiantan Hosp, Beijing 100050, Peoples R China
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