Publications by authors named "D Craiem"
Aortic dilatation is a severe pathology that increases the risk of rupture and its hemodynamics could be accurately assessed by using the 4D flow cardiovascular magnetic resonance (CMR) technique but flow assessment under complex flow patterns require validation. The aim of this work was to develop an in vitro system compatible with CMR to assess the accuracy of volume flow measurements in dilated aortas. Approach.
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- The study aimed to assess how 4D analysis using multiphase cardiac CT can help describe the aortic annulus in patients with bicuspid aortic valves, comparing it to those with normal tricuspid valves.
- The methodology involved analyzing cardiac CT scans of 15 BAV patients and 15 TAV patients, measuring various 3D characteristics of the aortic annulus across different phases of the heart's cycle.
- Results showed that the aortic annulus in BAV patients was significantly larger in multiple dimensions compared to TAV patients and demonstrated that 3D shape analysis can effectively differentiate between various types of BAV, revealing important anatomical details like the position of nonfunctional commissures.
Article Synopsis
- * A total of 88 BAV patients underwent 4D flow and echocardiography, showing moderate changes in flow and the best correlation for flow measurements at the aortic annulus.
- * While 4D flow MRI was more accurate for measuring forward volume than echocardiography, the agreement in grading aortic regurgitation between the two methods was found to be poor.
Background: To quantify the volumetric aortic remodeling of patients with acute type B aortic dissection treated with the stent-assisted balloon-induced intimal disruption and relamination (STABILISE) technique.
Methods: All patients with acute type B aortic dissection operated with the STABILISE technique between 2014 and 2017 with preoperative, postoperative, and >12 months (follow-up) computed tomography scans were included in this study. True lumen and total aortic volume were accurately assessed in the thoracic and abdominal portions with a semiautomatic three-dimensional tool.
Anatomic and physiologic assessment of surgical repair of scimitar syndrome can be challenging. We evaluated the first patient who underwent the Lugones procedure in 2012 using 4D flow magnetic resonance imaging. With this technology, we demonstrate that the reconstructed right pulmonary venous return drains into the left atrium with laminar flow, just as normal pulmonary veins do.
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