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双源计算机断层扫描（DSCT）中先天性心脏病的Flash模式与回顾性心电图触发协议之间的图像质量、诊断准确性和辐射剂量比较

Comparison of Image Quality, Diagnostic Accuracy and Radiation Dose Between Flash Model and Retrospective ECG-Triggered Protocols in Dual Source Computed Tomography (DSCT) in Congenital Heart Diseases.

作者信息

Wang Rong, Xu Xiang-Jiu, Huang Gang, Zhou Xing, Zhang Wen-Wen, Ma Ya-Qiong, Zuo Xiao-Na

机构信息

Department of Radiology, Gansu Provincial Hospital, Lanzhou, Gansu, P.R. China.

出版信息

Pol J Radiol. 2017 Feb 28;82:114-119. doi: 10.12659/PJR.899876. eCollection 2017.

DOI:10.12659/PJR.899876
PMID:28344686
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5341910/
Abstract

BACKGROUND

Dual source computed tomography (DSCT) plays an important role in the diagnosis of congenital heart diseases (CHD). However, the issue of radiation-related side effects constitutes a wide public concern. The aim of the study was to explore the differences in diagnostic accuracy, radiation dose and image quality between a prospectively ECG - triggered high - pitch spiral acquisition (flash model) and a retrospective ECG-gated protocol of DSCT used for the detection of CHD.

MATERIAL/METHODS: The study included 58 patients with CHD who underwent a DSCT examination, including two groups of 29 patients in each protocol. Then, both subjective and objective image quality, diagnostic accuracy and radiation dose were compared between the two protocols.

RESULTS

The image quality and the total as well as partial diagnostic accuracy did not differ significantly between the protocols. The radiation dose in the flash model was obviously lower than that in the retrospective model (<0.05).

CONCLUSIONS

Compared to the retrospective protocol, the flash model can significantly reduce the dose of radiation, while maintaining both diagnostic accuracy and image quality.

摘要

背景

双源计算机断层扫描（DSCT）在先天性心脏病（CHD）的诊断中发挥着重要作用。然而，辐射相关副作用问题引起了广泛的公众关注。本研究的目的是探讨前瞻性心电图触发的高螺距螺旋采集（闪模式）与用于检测CHD的DSCT回顾性心电图门控方案在诊断准确性、辐射剂量和图像质量方面的差异。

材料/方法：该研究纳入了58例接受DSCT检查的CHD患者，每种方案各29例患者分为两组。然后，比较两种方案之间的主观和客观图像质量、诊断准确性和辐射剂量。

结果

两种方案之间的图像质量、总体及部分诊断准确性无显著差异。闪模式的辐射剂量明显低于回顾性模式（<0.05）。

结论

与回顾性方案相比，闪模式可显著降低辐射剂量，同时保持诊断准确性和图像质量。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e246/5341910/df8a642fc75a/poljradiol-82-114-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e246/5341910/c2cfd5625a65/poljradiol-82-114-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e246/5341910/ec2560742e8c/poljradiol-82-114-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e246/5341910/df8a642fc75a/poljradiol-82-114-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e246/5341910/c2cfd5625a65/poljradiol-82-114-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e246/5341910/ec2560742e8c/poljradiol-82-114-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e246/5341910/df8a642fc75a/poljradiol-82-114-g003.jpg

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