Timm Kleffel

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OBJECTIVE The purpose of our study was to establish the most suitable algorithm to compare coronary artery calcium measurements performed with electron beam CT and multirow detector CT for the assessment of coronary artery disease. SUBJECTS AND METHODS Coronary artery screening was performed in 100 patients with both electron beam and multirow detector(More)
PURPOSE To test whether contrast-enhanced low mechanical index (low MI) sonography is superior to non enhanced B-Mode sonography in differentiating synovitis and joint effusion. MATERIAL AND METHODS In a retrospective study, 22 patients with proven rheumatoid arthritis underwent B-Mode sonography and low-MI sonography of 25 symptomatic joints of the upper(More)
The purpose of this study way to assess the value of contrast enhanced gray-scale ultrasound (CEUS) in detection of vascularity in joints of patients with rheumatoid arthritis (RA) in a multicenter study of the International Arthritis Contrast Ultrasound (IACUS) study group. We assessed 113 joints in 113 patients (44 men, 69 women; mean age 51±14 years)(More)
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