نتایج جستجو برای: aortic arch
تعداد نتایج: 126647 فیلتر نتایج به سال:
The associations between the aortic dimensions (of the aortic sinus, aortic annulus and aortic arch) and physiological variables have not been established in the Chinese population. The present study examined the associations among physiological variables to determine the aortic root and arch dimensions echocardiographically. The diameters of the aortic sinus, annulus and arch were measured in ...
S urgical treatment of aortic arch aneurysms has been challenging. These aneurysms are usually treated with open surgical repair that requires cardiopulmonary bypass (CPB) and hypothermic circulatory arrest (HCA). Furthermore, in cases of aneurysms involving both the aortic arch and the descending thoracic aorta (DTA) extensive surgical incisions or staged procedures are often necessary, increa...
Interruption of the aortic arch is an uncommon malformation in which there is no direct continuity between the aortic arch and the descending aorta, the latter arising through a patent ductus arteriosus. Three types are described, depending upon the site of interruption in relation to the arch vessels. A large ventricular septal defect is present in 94% of cases. It is to be distinguished from ...
INTRODUCTION Cervical aortic arch is a rare anomaly where-in the ascending aorta arises normally from the left ventricle and extends in such a fashion that the aortic arch is situated high in the neck on either side. This anomaly should be suspected in any child exhibiting a pulsatile swelling in the neck. CASE COMMENTARY An 8 year old child presented with a pulsatile swelling on the right si...
OBJECTIVES The combined disease of the aortic arch and the proximal descending aorta remains a surgical challenge. With the 'frozen elephant technique', the ascending aorta, along with the aortic arch, is replaced conventionally and an endovascular stent graft is placed into the descending aorta in the antegrade manner through the open aortic arch, thereby potentially allowing for a 'single-sta...
OBJECTIVE OF THE STUDY To determine the relevance of the transverse aortic arch diameter in the evaluation of early aortic and cardiac enlargements. SUBJECT AND METHOD A total of 1818 chest radiographs of male and female normotensive and hypertensive Nigerians of age range 4-80 and 10-80 years respectively were used for this study. Ages of subjects were obtained and transverse aortic arch, ch...
BACKGROUND Vertebral artery variations are common in thoracic aortic patients. If patients have the aberrant left vertebral artery, the more difficult to determine the treatment modality. CASE PRESENTATION We report the case of a 63-year-old man with an aberrant left vertebral artery originating from an aneurysmal aortic arch. The patient underwent a successful hybrid thoracic endovascular ao...
The aortic arch presents specific challenges to endovascular repair. Hybrid repair is increasingly evolving as an alternative option for selected patients, and promising initial results have been reported. The aim of this study was to introduce our experiences and evaluate mid-term results of supra aortic transpositions for extended endovascular repair of aortic arch pathologies. From December ...
AIMS Despite the recommendations of the American Society of Echocardiography, the majority of clinicians and sonographers do not perform aortic arch analysis routinely during transthoracic echocardiography (TTE). The European guidelines remain unclear. The aim of our study is to evaluate the usefulness of aortic arch analysis during routine TTE in adults. METHODS AND RESULTS We performed aort...
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