نتایج جستجو برای: aortic arch
تعداد نتایج: 126647 فیلتر نتایج به سال:
Fig. 1. This 44-year-old male, who had a history of aortic root replacement for acute aortic dissection 9 years ago, suffered impending rupture of dissecting aneurysm in the distal aortic arch. He underwent replacement of the aortic arch and stent graft implantation into the descending aorta. Two weeks later, the sternum was dehisced, but the cut end of the snapped wire was remote from the aort...
Cervical aortic arch is rare with a prevalence of less than 1/10 000 live births (Pediatr Cardiol 10 (1989) 205); but may occur with other cardiovascular congenital abnormalities. We report pseudocoarctation of a left-sided cervical aortic arch with an aberrant right subclavian artery and aortic and mitral regurgitation, corrected by an anterior mediastinal shunt from ascending to descending ao...
Surgical palliation for aortic coarctation with aortic arch hypoplasia in neonates and infants has been used in the clinic as the most beneficial treatment for this disorder. This technique allows the correction of aortic coarctation by the use of "extended" anastomosis without cardiopulmonary bypass, which expands the hypoplastic distal aortic arch via the use of a reverse subclavian flap repa...
The purpose of this study is to use magnetic resonance angiography (MRA) to evaluate the relationship between different patterns of bicuspid aortic valve (BAV) fusion and aortic arch morphologies, as characterized by the carotid-subclavian artery (CSA) index of the aortic diameter at the left subclavian artery to the distance between the left carotid artery and the left subclavian artery and ao...
The aorta is the largest artery that delivers blood from the heart to the rest of the body, and many cardiovascular diseases often occur on the aortic arch. The complex mechanical interaction between pulsatile blood flow and wall dynamics in the aortic arch model was simulated by means of computational loose coupling fluid-structure interaction analyses. This study investigates the pulsatile fl...
INTRODUCTION Different arterial inflow sites have been reported to date for particularly challenging cardiac operations. The ascending aorta, femoral artery, and subclavian artery are the most commonly used sites. Although its use has been reported, the aortic arch has not gained popularity in the performance of cannulation. According to a search performed in the PubMed database, aortic arch ca...
A 77-year-old Caucasian woman presented to our hospital with difficulty swallowing solid food and weight loss during the past 2 years. She did not drink alcohol or smoke. Her physical examination and her past medical history were unremarkable. Radiograph of the chest showed a right-sided aortic arch (Figure 1). A barium esophagogram was performed. A double indentation at the level of the aortic...
In a prospective echocardiographic study of over 2000 pregnancies, 24 fetuses were found to have dilatation of the right ventricle and pulmonary artery when these structures were compared with those of the left heart. In 18 of these cases the diagnosis of coarctation or interruption of the aorta was correctly inferred from these findings. On direct echocardiographic examination of the aortic ar...
The aim of this study was to examine signal intensities of data sets from MR thoracic aortography and to evaluate three-dimensional surface display (3DSD) for postprocessing. Twenty-five patients were imaged with gadolinium-enhanced 3D fast gradient echo sequence. The intensity at the aortic arch was significantly higher than that at the mediastinal fat (p<0.0001). The signal-to-noise ratio was...
Case 1 Born at 40 weeks gestation, weight 2.46 kg. Abnormalities-TOF (proximal atresia with distal fistula). TOF was repaired by ligation of the fistula and single layer interrupted nylon anastomosis of the proximal pouch and distal oesophagus on day one via a right thoracotomy at which a right sided aorta was recognised. Cardiac catheterization in the post-operative period showed right sided a...
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