使用双源计算机断层扫描对冠状动脉支架内再狭窄的临床评估

Clinical Evaluation of Coronary In-Stent Restenosis Using Dual-Source Computed Tomography.

作者信息

Wang Lian-Fa, Tao Li-Wei, Huang Meng-Xun, Liao Wen-Bin, Zhu You-Zhi, Zhou Wen-Bing, Li Hua, Li Dan, Lu Hong-Tao, Zhang Bang-Zhu, Chen Zhen

机构信息

Department of Cardiology, People's Liberation Army No. 105 Hospital, Hefei, Anhui, China.

Department of Cardiothoracic Surgery, The Second People's Hospital of Fuyang City, Fuyang, Anhui, China.

出版信息

Echocardiography. 2015 Nov;32(11):1681-7. doi: 10.1111/echo.12932. Epub 2015 Mar 25.

DOI:10.1111/echo.12932

PMID:25816917

Abstract

OBJECTIVE

To explore the feasibility of dual-source computed tomography (DSCT) in the evaluation of coronary in-stent restenosis (ISR) by comparing the results of DSCT and selective coronary angiography (CAG).

METHODS

In-stent restenosis examination results from DSCT were compared with those obtained using CAG.

RESULTS

Among 173 stents studied, 156 yielded good quality images when evaluated with DSCT. CAG identified 38 ISR cases, while DSCT found 40. Among the 112 stents in the study with an inner diameter ≥3.0 mm, CAG identified 29 as having ISR, while DSCT reported the same finding in 30; among the 44 stents with inner diameter <3.0 mm, CAG identified ISR in 9, while DSCT found ISR in 10.

CONCLUSIONS

Stent inner diameter is a key factor influencing the imaging of the stent lumen. DSCT demonstrated a higher negative predictive value in ISR assessment, suggesting that it could replace CAG for assessing the patency of stents with a larger inner diameter (≥3 mm).

摘要

目的

通过比较双源计算机断层扫描（DSCT）与选择性冠状动脉造影（CAG）的结果，探讨DSCT评估冠状动脉支架内再狭窄（ISR）的可行性。

方法

将DSCT的支架内再狭窄检查结果与CAG的结果进行比较。

结果

在研究的173个支架中，DSCT评估时有156个获得了高质量图像。CAG识别出38例ISR病例，而DSCT发现了40例。在研究中内径≥3.0 mm的112个支架中，CAG识别出29个有ISR，而DSCT报告了30个相同结果；在44个内径<3.0 mm的支架中，CAG识别出9个有ISR，而DSCT发现10个有ISR。