نتایج جستجو برای: aortic coarctation
تعداد نتایج: 113296 فیلتر نتایج به سال:
We report a case of a 46-year old man who presented with spontaneous bright red blood per mouth for several months. The patient had history of aortic coarctation repair at age 17. Endoscopy and nasopharyngeoscopy revealed no source of bleeding. Computed tomography scan revealed the presence of thoracic aortic pseudoaneurysm with the formation of an aortobronchial fistula (ABF). This case illust...
A 22 year old man developed symptoms of left ventricular failure secondary to atrial fibrillation and congenital mitral regurgitation. After operation for mitral valve repair he was unable to be successfully weaned from cardiopulmonary bypass and this was ascribed to poor left ventricular function. He therefore underwent emergency cardiac transplantation but again was unable to be weaned from b...
Endovascular stenting is a recognized treatment strategy for the treatment of coarctation of aorta (COA) in adults. The aortic coarctation is usually crossed retrogradely from the descending aorta via the femoral approach. We report three patients who had near-total descending aortic interruption and underwent successful stenting of severe COA using a combined radial/brachial and femoral approa...
The aortic coarctation has an incidence of 0.6-0.8/1,000 newborn, with clinical manifestation starting with the neonatal period. In the newborn, the heart congenital malformations associated to heart failure and clinical response early in the first hours of life have a guarded prognosis, needing an early diagnostic and an adequate therapeutic conduct. We present a clinical case of severe aortic...
It has been previously shown that angiotensin II is involved in the pathogenesis of severe hypertension resulting from ligation of the aorta between the origins of the renal arteries. To see if part of the effect of the angiotensin II was due to the stimulation of mineralocorticoid secretion, blood pressure and plasma renin activity were studied after ligation of the aorta in adrenalectomized r...
We studied plasma renin activity (PRA) in eight children before and after surgical correction of aortic coarctation. These eight children underwent a combination of low-sodium diet and diuresis before surgery, and PRA was measured shortly thereafter. Thirty-two to 51 months after successful surgical correction, PRA was measured again. The mean PRA was 21.4 +/- 1.3 ng/ml/hour (+/- SD) preoperati...
Aneurysm of the descending aorta associated with CoA is an extremely rare congenital abnormality. In this report, we present a 16 months old female patient in whom cardiac catheterization had been performed which had revealed a segment of coarctation and saccular aneurysm in the descending aorta. The patient was operated and a 3x2 centimeters aneurysm which embraces the coarcted segment in desc...
Coexistence of aortic coarctation with aneurysm of subclavian artery is a uncommon situation and may require unusual treatment in patients. A 40-year-old patient diagnosed incidentally with left subclavian artery aneurysm coexisting with aortic coarctation. Patient was initially referred for hybrid treatment. Initially ostium of the left subclavian artery was covered with a stent-graft. Over a ...
Transcatheter treatment of aortic coarctation, with balloon angioplasty or stent implantation, is now an acceptable alternative to surgical repair. However these procedures may result in complications, such as vascular wall injury and re-stenosis of the lesion. A nitinol self-expandable stent, when deployed at the coarctation site, produces low constant radial force, which may result in a gradu...
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