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AIMS A randomized trial was performed to assess the safety and efficacy of a laser guidewire, in the treatment of chronic coronary occlusions. METHODS AND RESULTS In 18 European centres, 303 patients with a chronic coronary occlusion were randomized to treatment with either the laser guidewire (n=144) or conventional guidewires (mechanical guidewire,(More)
Important parameters in quantitative coronary angiography (QCA) are the severity and length of the lesion, the radius of the nonstenotic part of the affected vessel segment and the bifurcation angle (in the case of a bifurcation lesion). Unfortunately, QCA results can be influenced by the viewing angles corresponding to the angiographic images used to(More)
In clinical practice, the quantification of stenotic lesions in coronary arteries is mostly done using angiographic images of the coronaries. This method is called Quantitative Coronary Angiography (QCA). Unfortunately, the QCA results depend on the viewing angles corresponding with the used images. To deal with this problem, multiple computer systems have(More)
BACKGROUND To study segmental structural and functional aortic properties in Turner syndrome (TS) patients. Aortic abnormalities contribute to increased morbidity and mortality of women with Turner syndrome. Cardiovascular magnetic resonance (CMR) allows segmental study of aortic elastic properties. METHOD We performed Pulse Wave Velocity (PWV) and(More)
Tracheal compression by the innominate artery is frequently suspected in infants with noisy breathing and no obvious aortic arch anomalies or pulmonary artery sling. However the diagnosis is difficult to confirm. The findings after using magnetic resonance imaging in two infants with tracheal compression syndrome are presented.
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