International PRospective Multicenter Study On RadiaTion Dose Estimates Of Coronary CT AngIOgraphy IN Daily Practice
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 发起方
- 入组人数
- 1,965
- 试验地点
- 1
- 主要终点
- Radiation dose estimates of coronary MSCT angiography in daily practice
研究概览
简要总结
Estimation of radiation dose of coronary multislice computed tomography (MSCT) angiography in daily practice in an international, multicenter and vendor-independent trial.
详细描述
Prospective analysis of cardiac CT angiographies enrolled over 1 month
Collection of 1 axial data set and the "patient dose protocol" (including kV, mAs, CTDI, DLP, etc.) on a CD
Dose estimation in dose/cm with the use of a method proposed by the European Working Group for Guidelines on Quality Criteria in CT.
Assessment of diagnostic, qualitative image quality on a per-vessel basis by the participating study sites and in randomly selected cases by the primary study investigators (approximately 5-10% of patients to "spot check" interobserver variability of image quality assessments)
Assessment of image quality with the use of quantitative parameters including image noise, signal-to-noise and contrast-to-noise ratios
研究设计
- 研究类型
- Observational
- 观察模型
- Case Only
- 时间视角
- Prospective
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •assessment of coronary arteries
- •acute chest pain or "triple rule out"
- •evaluation after PCI (stents)
- •evaluation of bypass grafts
- •before or after EP study
- •cardiac anomalies
排除标准
- •pregnancy
- •contraindications against contrast media
结局指标
主要结局
Radiation dose estimates of coronary MSCT angiography in daily practice
时间窗: 1 month
次要结局
- Comparison of dose estimates between 16-slice, 64-slice, DSCT and other CT systems(1 month)
- Frequency of dose-saving algorithm's use (e.g.: ECG-dose pulsing / Care Dose 4D / 100kv(1 month)
- Assessment of potentials for additional dose savings (e.g. entire scan length; the distance between scan start to begin of coronary arteries and distance end of coronary arteries to end of scan)(1 month)