نتایج جستجو برای: descending thoracic aorta
تعداد نتایج: 122668 فیلتر نتایج به سال:
A 50-year-old woman with aortitis syndrome complicated by aortic dissection, is reported. The dissection was observed at the level of the descending thoracic aorta by aortography and at the intimal side of the dilated aorta on CT. An aneurysm of the right subclavian artery and a diffusely thick wall of the abdominal aorta were also observed. This case suggests that the uneven wall of the aorta ...
Emergency conventional surgical repair of the descending thoracic aorta remains a therapeutic challenge and is associated with a high risk of mortality. We describe a case of ruptured descending thoracic aortic aneurysm in an 87-year-old man who presented with chest and back pain. The patient underwent successful endovascular repair of the lesion with the use of Gore TAG thoracic endoprosthesis...
The arch of the aorta lies in the superior mediastinum and extends from the level of the second right sternocostal joint and ascends diagonally and to the left anterior to the trachea and descends to the left of the fourth thoracic vertebral body continuing as the descending thoracic aorta [1]. The arch of the aorta normally gives rise to three branches namely the brachiocephalic, left common c...
In this retrospective study we reviewed our results of secondary surgery for complications after emergency placement of aortic stents for acute type B dissection. From October 2000 to June 2006, endovascular stent-grafting (ESG) was performed in 13 patients as an emergency procedure for acute type B dissection. Self-expanding nitinol stents (mean diameter 39.8+/-4.7 mm) were placed into the des...
BACKGROUND Prosthetic replacement of the ascending aorta with nonelastic vascular grafts impairs the local Windkessel function. Whether this increases wall tension in the remaining aorta is still a not completely investigated hypothesis but is of clinical relevance with respect to postprocedural development of aneurysms and dissections, especially in the proximal descending aorta. METHODS Fre...
We report an unusual case of pseudoaneurysm and coarctation of the descending thoracic aorta after trauma. The coarctation of aorta resulted in hypertension, severe left ventricular dysfunction, and symptoms of congestive heart failure. Surgical bypass resulted in control of blood pressure and improvement of heart failure symptoms. The mechanism of aortic injury leading to the development of th...
“Atypical” aortic coarctation (AAC) is a rare clinical entity that includes involvement of the ascending thoracic aorta, the descending thoracic aorta distal to the aortic isthmus, and the abdominal aorta. Abdominal aortic coarctation is present in 1% to 2% of all patients with aortic coarctation and is an unusual cause of essential hypertension in adults. AAC is caused by focal stenosis or a h...
To evaluate whether the relative atherogenicity of VLDL and LDL is dependent on the topographic site, atherosclerosis was compared at four topographic sites in homozygous LDL receptor (LDLr)-deficient rabbits fed normal chow and in heterozygous LDLr-deficient rabbits with the same genetic background fed a 0.15% cholesterol diet to match cholesterol levels. VLDL cholesterol was significantly hig...
OBJECTIVE Thoracic, arch, and proximal descending thoracic aorta diseases are still considered an enormous challenge. The hybrid approach developed in recent years (supra-aortic trunks debranching and thoracic endovascular repair aortic repair; TEVAR) may improve the morbidity and mortality of the population at risk. The aim of this study was to analyze retrospectively our experience in the hyb...
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