磁共振成像2025，Vol.16Issue(4)：99-104,6.DOI:10.12015/issn.1674-8034.2025.04.015
新生儿头线圈在颅脑MRI检查中的应用研究
Study of application on neonatal head coil in brain MRI examination
摘要
Abstract
Objective:To investigate the clinical value of 16-channel neonatal head coil for neonatal cranial magnetic resonance imaging(MRI).Materials and Methods:Using the water film detection method,proton density weighted imaging(PDWI)sequence was selected,and the same parameters were set.The neonatal head coil and adult head coil were respectively tested in vitro.The signal-to-noise ratio(SNR)of the two coils was obtained by processing the images for objective quantitative analysis.A total of 44 healthy neonates undergoing brain magnetic resonance examination from August 2022 to December 2023 were prospectively collected and divided into 2 groups by simple random method.To test image SNR and contrast-to-noise ratio(CNR)of gray and white matter.The T2WI sequence images with acceleration factor R=2 were collected for both groups using neonatal head coil and adult head coil with the same parameters.Then the acceleration factor R=2,3,4,5,6 was adjusted respectively to test the parallel acquisition capability of the coil.Neonatal brain images were comprehensively analyzed,image SNR and gray and white matter CNR of the two coils were calculated,and the parallel acquisition ability of the two coils was independently evaluated by two imaging diagnostic physicians,and the subjective score of image SNR and gray and white matter CNR was statistically analyzed by t-test.Results:In vitro experiment,the SNR of neonatal head coil was 1.4 times higher than that of adult head coil,and some cortical surface areas were more than 2 times.In clinical experiments,the SNR of neonatal head coil in bilateral thalamus,basal ganglia and frontal lobe region were higher than those of adult head coil,the CNR of gray matter in bilateral thalamus and basal ganglia and white matter in frontal lobe of neonatal head coil is higher than that of adult head coil,and the differences was statistically significant(P<0.001).After adjusting the acceleration factor,the neonatal head coil showed high parallel acquisition capability.Conclusions:Neonatal head coil can improve the quality of neonatal brain magnetic resonance image.关键词
新生儿头线圈/信噪比/对比噪声比/磁共振成像/并行采集Key words
neonatal head coil/signal-to-noise ratio/contrast-to-noise ratio/magnetic resonance imaging/parallel acquisition分类
临床医学引用本文复制引用
任庆发,巩贺,殷志杰,王静,刘泉源,徐东昊,杨浩然,荣康,李祥林..新生儿头线圈在颅脑MRI检查中的应用研究[J].磁共振成像,2025,16(4):99-104,6.基金项目
National Natural Science Foundation of China(No.62176181) （No.62176181）
Key Research and Development Program of Shandong Province(No.2018YFJH0501). 国家自然科学基金项目(编号:62176181) （No.2018YFJH0501）
山东省重点研发计划项目(编号:2018YFJH0501) （编号:2018YFJH0501）
