نتایج جستجو برای: descending thoracic aorta
تعداد نتایج: 122668 فیلتر نتایج به سال:
Arterial pseudoaneurysm has been reported as a possible complication of immunodeficiency virus infection. We report two cases of HIVpositive patients with a pseudoaneurysm at the level of the descending thoracic aorta. The first patient refused surgery and has been followed up to 14 months, whereas the second patient underwent successful surgical repair. The importance of magnetic resonance ima...
Endovascular stent grafting has been recently considered as a less invasive alternative to either medical therapy or open surgical treatment for many patients with descending thoracic aortic disease. Late complications are rarely described in literature. Herein, we described the occurrence of an aorto-bronchial fistula and a retro-A dissection in a 73-year-old man after stent-grafting for a pen...
The rupture of a thoracic aortic aneurysm is a life-threatening emergency. Conventional open surgical repair carries a high mortality and morbidity. We report an elderly patient who suffered from rupture of a proximal descending thoracic aortic aneurysm close to the aortic arch. A hybrid operation consisting of a right-to-left carotid bypass followed by endovascular repair of the descending tho...
Ortner’s syndrome is a non-specific symptom of thoracic aortic aneurysm, therefore, it constitutes challenge — both, diagnostic and therapeutical for contemporary physicians. This paper presents the case 70-year-old patient reporting hoarse voice several months. Due to suspicion neoplastic disease, diagnostics were deepened during this diagnostic, an aneurysm descending aorta with concurrent in...
Vascular injuries of the thoracic inlet and mediastinum present formidable difficulties in terms of exposure and management. The majority of patients with gunshot wounds to the thoracic aorta and brachiocephalic vessels do not reach the operating room alive, but those who do present unique problems for thoracic and vascular surgeons. In such cases, operative repair must be individualized and of...
Background and Aim: Despite previously shown relationship between the aortic atherosclerosis and coronary artery disease, the relationship between aortic distensibility and the presence, extent and composition of thoracic aortic plaques (TAP) is not widely assessed. We evaluated the relationship between aortic distensibility and the presence, extent and composition of TAP in current research. ...
OBJECTIVES Reference values of aortic deformation during the cardiac cycle can be valuable for the pre-operative planning of thoracic endovascular aortic repair (TEVAR) and for facilitating computational fluid dynamics. This study aimed to quantify normal aortic extensibility (longitudinal extension) and distensibility (radial expansion), as well as pulsatile strain, in a group of 10 (>60 years...
Background: Diastolic retrograde flow in the descending aorta has been associated to the severity of aortic regurgitation; however, most of the parameters related to flow velocity are not validated with a reference imaging technique. Objective: The aim of this study was to assess the usefulness of diastolic retrograde flow in the descending thoracic aorta and the abdominal aorta in the quantifi...
Aortic pulse wave velocity (PWV) is an independent determinant of cardiovascular risk. Although aortic stiffening with age is well documented, the interaction between aging and regional aortic PWV is still a debated question. We measured global and regional PWV in the descending aorta of 56 healthy subjects aged 25-76 years using a one-dimensional, interleaved, Fourier velocity encoded pulse se...
PURPOSE To investigate the characteristics of plaque in the thoracic aorta using three dimensional multicontrast magnetic resonance imaging. MATERIALS AND METHODS Elderly subjects (≥60years) were recruited in this study. Thoracic aorta was imaged on a 3.0T MR scanner by acquiring multicontrast sequences. The plaque burden was evaluated by measuring lumen area, wall area, wall thickness, and n...
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