三点定位技术在心脏MRI四腔心成像中的应用价值

R445.2; 目的 评估三点定位技术在提升心脏磁共振(CMR)四腔心图像质量及扫描效率中的应用价值.方法 回顾性连续收集2022年1月—2023年10月行CMR四腔心扫描患者215例,对照组(109例)采用传统定位技术,实验组(106例)采用三点定位技术.由2名影像医师采用Likert 4分法评估2组患者四腔心图像的二尖瓣、三尖瓣及十字结构的显示质量.记录从定位像扫描结束到获取四腔心图像所需时间.构成比资料和计量资料分别采用卡方检验和双样本t检验进行分析,一致性分析则采用Kappa检验.结果 2组患者性别、年龄、疾病构成和扫描技师工作年限无统计学差异.对照组和实验组患者二尖瓣、三尖瓣、十字结...

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Published in西安交通大学学报（医学版） Vol. 45; no. 3; pp. 491 - 496
Main Authors 陈丽虹, 屈婷婷, 曹乐, 李雅楠, 樊钢练, 刘冰, 荐志洁, 郭建新
Format Journal Article
LanguageChinese
Published 西安交通大学第一附属医院医学影像科,陕西西安 710061 01.05.2024
Subjects
four-chamber view
speed of imaging
image quality
成像速度
心脏磁共振(CMR)
图像质量
three-point localization method
cardiac magnetic resonance(CMR)imaging
四腔心
三点定位技术
Online AccessGet full text
ISSN1671-8259
DOI10.7652/jdyxb202403021

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Abstract R445.2; 目的 评估三点定位技术在提升心脏磁共振(CMR)四腔心图像质量及扫描效率中的应用价值.方法 回顾性连续收集2022年1月—2023年10月行CMR四腔心扫描患者215例,对照组(109例)采用传统定位技术,实验组(106例)采用三点定位技术.由2名影像医师采用Likert 4分法评估2组患者四腔心图像的二尖瓣、三尖瓣及十字结构的显示质量.记录从定位像扫描结束到获取四腔心图像所需时间.构成比资料和计量资料分别采用卡方检验和双样本t检验进行分析,一致性分析则采用Kappa检验.结果 2组患者性别、年龄、疾病构成和扫描技师工作年限无统计学差异.对照组和实验组患者二尖瓣、三尖瓣、十字结构的评分均值分别为3.44±0.64和3.63±0.49(P=0.023)、3.43±0.67 和 3.53±0.60(P=0.202)、3.71±0.49 和 3.83±0.35(P=0.047),实验组图像评分均优于对照组,其中二尖瓣和十字结构评分具有统计学差异.对照组、实验组患者获取四腔心图像所需时间分别为(11.67±3.49)min和(7.212±1.83)min,差异具有统计学意义(P＜0.001).结论 相比于传统定位方法,三点定位技术所获四腔心图像可更好地显示二尖瓣、三尖瓣和十字结构,且缩短了成像时间.
AbstractList R445.2; 目的 评估三点定位技术在提升心脏磁共振(CMR)四腔心图像质量及扫描效率中的应用价值.方法 回顾性连续收集2022年1月—2023年10月行CMR四腔心扫描患者215例,对照组(109例)采用传统定位技术,实验组(106例)采用三点定位技术.由2名影像医师采用Likert 4分法评估2组患者四腔心图像的二尖瓣、三尖瓣及十字结构的显示质量.记录从定位像扫描结束到获取四腔心图像所需时间.构成比资料和计量资料分别采用卡方检验和双样本t检验进行分析,一致性分析则采用Kappa检验.结果 2组患者性别、年龄、疾病构成和扫描技师工作年限无统计学差异.对照组和实验组患者二尖瓣、三尖瓣、十字结构的评分均值分别为3.44±0.64和3.63±0.49(P=0.023)、3.43±0.67 和 3.53±0.60(P=0.202)、3.71±0.49 和 3.83±0.35(P=0.047),实验组图像评分均优于对照组,其中二尖瓣和十字结构评分具有统计学差异.对照组、实验组患者获取四腔心图像所需时间分别为(11.67±3.49)min和(7.212±1.83)min,差异具有统计学意义(P＜0.001).结论 相比于传统定位方法,三点定位技术所获四腔心图像可更好地显示二尖瓣、三尖瓣和十字结构,且缩短了成像时间.
Abstract_FL Objective To evaluate the application value of the three-point localization method in improving the quality and efficiency of four-chamber view acquisition in cardiac magnetic resonance(CMR)imaging.Methods A total of 215 patients who underwent four-chamber view in CMR imaging from January 2022 to October 2023 were retrospectively enrolled and divided into two groups.The control group(n=109)received traditional localization method while the study group(n=106)received three-point localization method.The image quality of mitral valve,tricuspid valve and cruciform structure in four-chamber view images were assessed by two radiologists using a Likert 4-piont scale.The time-consumption from scout imaging to the finish of four-chamber view imaging was recorded.Constituent data and numeral data were compared by Chi-square test and two-sample t test,respectively.Kappa test was used to analyze the inter-observer consistency.Results There were no significant inter-group differences in gender,age,disease profile,or the radiographers'experience.The mean quality scores of the mitral valve,tricuspid valve and cruciform structure in the control group and the study group were 3.44±0.64 and 3.63±0.49(P=0.023),3.43±0.67 and 3.53±0.60(P=0.202),3.71±0.49 and 3.83±0.35(P=0.047),respectively.The image quality score was higher in the study group than in the control group,with the differences in mitral valve and cruciform structure reaching statistical significance.The time-consumption for obtaining four-chamber view for the control group and the study group was 11.67±3.49 minutes and 7.212±1.83 minutes,respectively,with statistically significant differences(P＜0.001).Conclusion Compared with the traditional localization method,the three-point localization method provides better image quality in four-chamber view imaging with shortened imaging time.
Author 刘冰
荐志洁
郭建新
陈丽虹
曹乐
樊钢练
屈婷婷
李雅楠
AuthorAffiliation 西安交通大学第一附属医院医学影像科,陕西西安 710061
AuthorAffiliation_xml – name: 西安交通大学第一附属医院医学影像科,陕西西安 710061
Author_FL JIAN Zhijie
CAO Le
LIU Bing
GUO Jianxin
QU Tingting
FAN Ganglian
CHEN Lihong
LI Yanan
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Keywords four-chamber view
speed of imaging
image quality
成像速度
心脏磁共振(CMR)
图像质量
three-point localization method
cardiac magnetic resonance(CMR)imaging
四腔心
三点定位技术
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PublicationTitle 西安交通大学学报（医学版）
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