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首页> 外文期刊>日本放射线技术学会杂志 >~(201)TI心筋SPECTにおける三次元動画表示を用いた左室壁運動評価の検討: 心臓CTとの比較
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~(201)TI心筋SPECTにおける三次元動画表示を用いた左室壁運動評価の検討: 心臓CTとの比較

机译:在(201)TI心肌SPECT中使用3-D视频显示评估左心室壁运动:与心脏CT的比较

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摘要

左室の機能評価は.さまざまな心臓疾患に対して臨 床的に重要な指標である.なかでも左室局所壁運動異 常は,虚血性心疾患の長期予後にかかわる重要な因子 とされている:左室局所壁運動の非侵襲的な検査法としては,心エコー検査,心電図同期心筋single photon emission computed tomography (心電図同期心筋 SPECT),心プールシンチグラフィ,magnetic resonance imaging(MRI)ねよび心臓computed tomography (心贓 CT)が臨床応用されている.%Purpose: Advances in computed tomography (CT) technology make it possible to obtain left ventricular wall motion using 3D reconstruction. In this study, we compared the images obtained from CT and ~(201)TI electrocardiogram (ECG) gated single photon emission computed tomography (SPECT). Methods: In 20 patients with ischemic heart disease, we performed ~(201)TI ECG gated SPECT (GE Healthcare Millennium VG) and ECG gated CT (Philips Medical Systems Brilliance iCT) to evaluate of l^ft ventricular wall motion during the resting phase. In SPECT, left ventricular images were reconstructed using quantitative gated SPECT (QGS) software. In CT, the images were reconstructed using Virtual Place (AZE Software). The left ventricle was classified into five regions (anterior, lateral, inferior, septal, and apical). The amplitude of the wall motion was classified into five grades according to AHA classification. The values of the wall motion were separately checked by two radiographers. Results: Assessment of left ventricular function myocardial wall movement using the three-dimensional movie display with ECG gated myocardial SPECT data was in agreement with the evaluation by cardiac CT inspection, and corresponded with wall motion in 88 of all 100 segments. Conclusions: SPECT analysis has the same quantity as that of obtained from CT for evaluation of left ventricular wall motion.
机译:左心室功能评估是各种心脏病的临床重要指标,其中,左心室局部壁运动异常被认为是缺血性心脏病长期预后的重要因素。有局部左心室壁运动的非侵入性检查,例如超声心动图,心电图门控心肌单光子发射计算机断层扫描(心电图门控心肌SPECT),心脏闪烁显像,磁共振成像(MRI)和心脏。 %目的:计算机断层扫描(CT)技术的进步使得使用3D重建技术获得左心室壁运动成为可能。 〜(201)TI心电图(ECG)门控单光子发射计算机断层扫描(SPECT)方法:在20例缺血性心脏病患者中,我们进行了〜(201)TI ECG门控SPECT(GE Healthcare Millennium VG)和ECG门控CT(飞利浦医疗系统Brilliance iCT)在静息阶段评估l ^ ft心室壁运动。在SPECT中,使用定量门控SPECT(QGS)软件重建左心室图像;在CT中,使用Virtual Place(AZE软件)重建图像)。左心室是班级分为五个区域(前,外侧,下,中隔和心尖)。根据AHA分类将壁运动的幅度分为五个等级。两名放射线照相师分别检查壁运动的值。使用ECG门控心肌SPECT数据的三维影像显示器显示的左心室心肌壁运动与心脏CT检查的评估结果一致,并且与所有100个区段中的88个壁运动相对应。结论:SPECT分析具有相同的数量如从CT获得的用于评估左心室壁运动的结果。

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