Kai U. Juergens, M.D.

Purpose To determine regional and global left ventricular (LV) functional parameters and to perform segmental wall thickness (SWT) and motion (WM) analysis of dual-source CT (DSCT) with optimized temporal resolution versus MRI. Materials and methods 30 patients with known or suspected CAD, non-obstructive HCM, DCM, ARVCM, Fallot Tetralogy, cardiac sarcoidosis and … Read more

Judy Oltman, USA, has sent the following question: We do a fair amount of pediatric congenital hearts and need to assess right ventricular function. Are there any particular blends of contrast administration that works well with attemping to get appropriate contrast fill without too much contamination? Kai U. Juergens, M.D., Section Head … Read more

Abstract The purpose was to compare global left-ventricular (LV) function parameters measured with cine MRI with results from multiphase dual-source CT (DSCT) using 10 and 20 reconstruction phases. Twenty eight patients with suspected or known coronary artery disease underwent DSCT coronary angiography. LV end-diastolic (EDV), end-systolic (ESV) and stroke volumes (SV), and … Read more

Case history [A] 58-year-old men with 2-vessel CAD and several cardiovascular risk factors, e.g. long-term arterial hypertension, dyslipoproteinemia, was referred for Dual Source CT angiography. Question Dual Source CT angiography for re-evaluation of coronary arteries and potential detection of coronary artery stenoses. Diagnosis/Differential diagnosis [A] Left-ventricular hypertrophy (LVH) most likely due to long-term arterial hypertension; … Read more

The following question has been sent by Sofiane Hadjadj, MD, clinical research, Canada: hi, we have just aquired the dual source ct, and I am very impressed by the quality of images for coro ct even with high calccium scoring, my question is regarding the EKG editing, are their any rules … Read more

Case history 66-year-old man with two-vessel coronary artery disease, chronic myocardial infarction, and persistent atrial fibrillation. Question Assessment of cardiac morphology and left-ventricular function preceding cardiac resynchronization therapy (CRT) with implantable cardioverter-defibrillator (ICD) Diagnosis / Differential diagnosis Two-vessel coronary artery disease (CAD); chronic myocardial infarction with consecutive aneurysm of left-ventricular apex and adherent calcified thrombi Severely … Read more

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Left-ventricular volumes and myocardial mass are independent predictors of morbidity and mortality in patients with coronary heart disease, and global left-ventricular function is considered the strongest determinant of heart failure and death due to myocardial infarction. The accurate and reproducible determination of left-ventricular volumetric and functional parameters is important for … Read more

Judy Oltmann, CTA Technologist, USA, has sent the following question: In the hospital setting, the logic has to be very defined in the order. Although the Multislice CT book included with our Definition scanner has a good flow chart as indicators, I would like to see if any specific information is … Read more

Abstract OBJECTIVE. The purpose of this study was to evaluate software for threshold-based 3D segmentation of the left ventricle in comparison with traditional 2D short axis–based planimetry (Simpson method) for measurement of left ventricular (LV) volume and global function with state-of-the-art dual-source CT. SUBJECTS AND METHODS. Fifty patients with known or suspected … Read more