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CT imaging

UpDate:2015-12-25 13:32:41

    South Carolina, Charleston University School of Medicine research team led by Markus Weininger a preliminary study found that, Cardiac MRI may face adenosine stress myocardial perfusion CT imaging of a challenge. The study acquires RSNA scientific research achievement award, the group will discuss the dual-source CT technology in RSNA.

     The team adopts a dual source CT imaging, forward-looking coronary CT angiography, dynamic adenosine stress myocardial perfusion imaging scanner shuttle mode and delayed enhancement imaging for 20 patients. The same with the CT examination, all subjects received a loading / resting delayed enhanced MRI.

     The researchers assessed the degree of myocardial perfusion defects, and compare CT and MRI to check the source of the left ventricular myocardium uphill index. Researchers found that the sensitive rate of MRI and CT on detection for myocardial perfusion defects were 86% and 98%, positive and negative predictive values ​​were 93% and 94%.

     The group eventually concluded that adenosine stress myocardial perfusion imaging of a CT can obtain the myocardial perfusion of the qualitative and Semi-quantitative parameters, which can get the absolute myocardial blood flow too.

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