Search Results
Results 451 - 500 of 1300
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Shennib Hani - - 2010
To determine the safety and effectiveness of current endovascular treatment in adult patients with thoracic aortic coarctation and its complications. A cohort of 22 patients was treated for late presenting primary or recurrent coarctation or aneurysmal formation at varying intervals following childhood intervention. Ten patients with recently discovered de novo ...
Yamamoto Hiroshi - - 2009
A 42-year-old male with Marfan syndrome, who had undergone aortic root and total arch replacement for type-A acute aortic dissection at the age of 40, underwent descending aorta replacement with woven Dacron (Vascutek Ltd., Renfrewshire, Scotland) because of pseudoaneurysm at the site of the distal anastomosis and an enlarged pseudolumen ...
Fujioka Chikako - - 2009
OBJECTIVE: The purpose of this study was to investigate the feasibility of prospective ECG-triggered axial 64-MDCT angiography of the aorta and coronary arteries performed at a tube voltage of 100 kV. SUBJECTS AND METHODS: Thirty patients with a heart rate less than 75 beats/min who were referred for aortic CT ...
Hussein Hafiz - - 2009
The treatment of aortic coarctation has classically been surgery, but recent advances have seen the increasing adoption of percutaneous catheter based techniques to correct this problem. We describe a first in man use catheter technique with the Advanta ePTFE coated stent via a 9Fr access.
Gelpi Guido - - 2009
The best surgical approach for patients presenting with coarctation of the aorta and additional surgical cardiovascular disorders is uncertain. We describe the case of a young man with an aneurysm of the ascending aorta and a bicuspid aortic valve with a moderate insufficiency associated with a coarctation of the aorta. ...
Cevik Cihan - - 2009
Aortic coarctation is a congenital malformation of the aorta that should be diagnosed and corrected early in life. The natural history of unrepaired coarctation of the aorta includes the development of systemic hypertension and subsequent morbidity and death from cardiovascular disease. Here, we present a case with replacement of the ...
Sanioglu Soner - - 2009
Floating thrombus in the ascending aorta is rare and its association with papillary thyroid adenocarcinoma has not been documented. We report a case of a 64-year-old man who was referred to our emergency unit because of suspected type A aortic dissection. Computerized tomographic and transthoracic echocardiographic scans revealed a floating ...
Lam Yat-Yin - - 2010
Patients with apparently successful repair for coarctation of aorta have reduced life expectancy irrespective of the occurrence of recoarctation, biscupid aortic valvular complications or systemic hypertension. The increasingly recognized ventriculo-aortic functional disturbances (subendocardial ischemia and central aortic stiffness) that persist after operation may contribute to the known significant cardiovascular mortality ...
Pousios Dimitrios - - 2009
Floating thrombi in the aorta are a rare finding in the absence of any coagulation abnormality. They often represent a surgical emergency. Our case refers to a 45-year-old woman who presented with acute ischemia of the upper extremity. This was a result of peripheral embolism originating in a floating thrombus ...
Seifert Michael E - - 2009
Severe hypertension is rare in children, and often has a secondary cause. We review a case of a five year-old boy who presented with severe hypertension secondary to an acquired coarctation of the abdominal aorta. We hypothesize that this lesion resulted from endothelial damage caused by umbilical artery catheterization as ...
Puranik Rajesh - - 2009
Coarctation of the aorta has often been described as a simple form of congenital heart disease. However, rates of re-coarctation reported in the literature vary from 7% to 60%. Re-coarctation of the aorta may lead to worsening systemic hypertension, coronary artery disease and/or congestive cardiac failure. We aimed to describe ...
Wang Ye - - 2009
To investigate the evidence of electrified death without electric mark, four animal models were developed, which were electrified to death without electric mark left, contrasted with four non-electrified to death models. Erythrocyte and endothelium of aorta and pulmonary artery were observed by scanning electron microscope. It was suggested that some ...
Obara Shinju - - 2009
PURPOSE: Pulse wave velocity (PWV) is a direct measure of large arterial stiffness. Augmentation index (AIx) is a surrogate measure of arterial rigidity that could be affected by the ventricular ejection and peripheral haemodynamics in addition to the properties of large arteries. In clinical studies, it is still controversial whether ...
Tomoyasu Takahiro - - 2009
A one-day-old neonate who was diagnosed with hypoplastic left heart syndrome (HLHS), aortic atresia, with a diminutive ascending aorta, and mitral atresia, was referred to us for cardiogenic shock because of excessive pulmonary blood flow. The patient underwent bilateral pulmonary artery banding (bPAB). After bPAB, the patient's hemodynamics were still ...
Hirota Masanori - - 2009
We report an adult case of right aortic arch coarctation with a left descending aorta. Associated anomalies included dextrocardia, situs inversus, polysplenia, bilateral superior vena cava, and absent inferior vena cava with azygos connection. Extensive mobilization of the azygos vein was needed to obtain a good surgical field, including the ...
Mosquera Victor X - - 2008
This report describes the feasibility of combined surgical and endovascular repair of extensive pathologies of the aorta with a specially hybrid procedure. An ascending aorta and proximal aortic arch aneurysm, involving the origin of the innominate artery, and a descending thoracic aorta aneurysm were simultaneously repaired in a 65-year-old man. ...
Chikada Masahide - - 2008
A 19-year-old female was referred to our department with a diagnosis of recurrent coarctation of the aorta. She had undergone end-to-side anastomosis of the left subclavian artery with the thoracic aorta at 9 days of age and extra-anatomic subclavian-to-femoral bypass grafting at 15 years of age because of hypertensive crisis. ...
Odero Attilio - - 2008
Fibromuscular dysplasia represents one of the more common types of arterial fibrodysplasia, a heterogeneous group of nonatherosclerotic vascular occlusive and aneurysmal diseases. This disorder mainly affects renal and cerebral arteries, and less frequently, arm, leg, and visceral arteries. Exceptionally, it has been described in the abdominal aorta. Aortic hypoplasia is ...
Botta L - - 2008
Arterial occlusive disease of supraaortic vessels, particularly the subclavian and innominate arteries, is infrequent. Hemodynamically significant proximal lesions of all supraaortic arteries are uncommon and the combination with coronary artery disease is even rarer. So far, the surgical management and operative timing of patients with coexisting severe disease of brachiocephalic ...
Szpinda M - - 2008
This study defines normal growth for the various aortic segments in 128 spontaneously aborted human foetuses aged 15-34 weeks. With the use of anatomical dissection, digital-image analysis (using the Leica Q Win Pro 16 system) and statistical analysis (ANOVA, regression equation), a range of length measurements for the ascending aorta, ...
Sugawara Jun - - 2008
OBJECTIVES: To determine whether human aorta lengthens with aging and to evaluate the impact of the hypothesized aortic elongation on pulse wave velocity (PWV) measurements. BACKGROUND: Although it is generally thought that the aorta becomes tortuous with aging, there has been no systematic study to date in healthy adults to ...
Piciucchi Sara - - 2008
Coarctation of the aorta is a diaphragmlike ridge narrowing the lumen of the proximal descending aorta. Although surgical repair has proven to be a successful treatment of coarctation of the aorta, immediate and delayed postoperative complications are not rare. Of particular interest is the occurrence of aneurysms after Dacron patch ...
Tomar Munesh - - 2008
Coarctation of aorta is typically a discrete narrowing of the thoracic aorta just distal to the left subclavian artery. Managmnet of Coarctation of aorta depends upon age, clinical presentation, type of coarctation, associated arch hypoplasia, and associated heart defects as ventricular septal defect. In this article we are discussing management ...
Borges Luciano F - - 2009
Histopathological alterations in human aneurysms and dissections of the thoracic ascending aorta include areas of mucoid degeneration within the medial layer, colocalized with areas of cell disappearance and disruption of extracellular matrix elastic and collagen fibers. We studied the presence of matrix metalloproteinases in relation to their capacity to diffuse ...
Karaca S - - 2009
Coarctation of the abdominal aorta is a rare pathology. Stenosis of visceral and renal arteries may present together with coarctation, which requires specific operation techniques. We present the case of a patient with coarctation of the abdominal aorta associated with stenosis of the celiac trunk, the superior mesenteric and the ...
Rajan Lawrence - - 2008
PURPOSE: To report endoluminal repair of aortic coarctation in a patient with a chronic type B aortic dissection presenting with an expanding pseudoaneurysm after failure of surgical repair. CASE REPORT: This 30-year-old man with a congenital coarctation of the aorta suffered an iatrogenic type B aortic dissection during angiography at ...
Benedetto F - - 2008
INTRODUCTION: The traumatic rupture of thoracic aorta is a surgical emergency with high risk of morbidity and mortality. CASE REPORT: We describe the case of an atypical rupture of retro-cardiac thoracic aorta with dissection of brachiocephalic trunk and spleen trauma occurred after a road accident. TC scan and perioperative angiography ...
Mivelaz Yvan - - 2008
OBJECTIVES: Coarctation of the aorta is one of the most common congenital heart defects. Its diagnosis may be difficult in the presence of a patent ductus arteriosus, of other complex defects or of a poor echocardiographic window. We sought to demonstrate that the carotid-subclavian artery index (CSA index) and the ...
Amirghofran Ahmad Ali - - 2008
A 15-year-old girl underwent patch aortoplasty for repair of a long-segment coarctation of the aorta 7 years ago. Balloon angioplasty had been performed twice, 3 and 5 years after the aortoplasty, because of recurrent coarctation of the aorta. She was scheduled for balloon angioplasty and stent implantation. In catheterization, there ...
Fales-Williams Amanda - - 2008
A 6-year-old, gelded, Paint horse displayed clinical signs of muscle wasting and limb stiffness for a 6-month period. The horse's clinical signs abated with corticosteroid therapy, but returned upon cessation of treatment. Upon necropsy, severe lesions of aortic thickening and aortic valve rigidity were observed. Histologically, the tunica media of ...
Grimm Michael - - 2008
BACKGROUND: The purpose of this study was to address a previously not described mechanism underlying intramural hematoma (IMH) of the entire thoracic aorta and to test the hypothesis whether endovascular stent graft placement in this particular mechanism could be beneficial. METHODS: Within a 5-year period, we treated 8 patients with ...
Groenemeijer B E - - 2008
We describe a late complication in a 75-year-old man 50 years after repair of a coarctation of the aorta (CoA). Two years after an aortic valve replacement, mitral valve repair and radiofrequency MAZE the patient presented with dyspnoea and right-sided heart failure, based on a large pseudoaneurysm of the descending ...
Levy Praschker Beltran G - - 2008
OBJECTIVE: The surgical treatment of recurrent coarctation in adults supposes a redo left thoracotomy with adhesions and high risk of bleeding and injury of adjacent nerves. The rate of paraplegia in these cases may reach 2.6%. Extra-anatomic aortic bypass avoids these complications. We present our results with ascending-to-abdominal aorta extra-anatomic ...
Ruddy Jean Marie - - 2008
Vascular remodeling within the aorta results in a loss of structural integrity with consequent aneurysm formation. This degradation is more common in the abdominal aorta but also occurs above the diaphragm in the thoracic aorta. Conventionally, the aorta has been considered a large vascular conduit with uniform cellular and extracellular ...
Go Michael R - - 2008
Graft collapse is a known complication of thoracic aortic stent grafting, particularly in cases of traumatic thoracic aortic transection, when a typically smaller diameter aorta is repaired with a relatively large diameter device. In contrast, obstruction of the aorta from a stent graft that protrudes into the aortic arch but ...
Birincioglu Cemal Levent - - 2008
A 17-year-old man with coarctation of the thoracic aorta, bicuspid aortic valve, perimembranous ventricular septal defect, and acute type A dissection of the ascending aorta underwent emergency repair for dissection by means of single-stage replacement of not only the aortic valve and ascending aorta, but also simultaneous repair of the ...
Musso Tamara M - - 2008
A 16-year-old male presenting with upper extremity hypertension was found to have a severe form of discrete coarctation with complete luminal obliteration, causing a functional interruption of the thoracic aorta. Fluoroscopically guided perforation of the obstruction and creation of a neo-aortic lumen was performed. This was followed by balloon angioplasty ...
Gong Qi Hua - - 2008
We successfully treated a case of a 2-year-old male with aortic coarctation coexisting with severe mitral regurgitation via left posteriolateral thoracotomy at one stage. After a mitral valve replacement under perfused ventricular fibrillation with moderate hypothermia, we repaired the aortic coarctation with coarctation resection and end-to-end anastamosis with the aid ...
Alegria Jorge R - - 2008
BACKGROUND: A 20-year-old male presented with a history of systemic hypertension. Examination revealed a systolic murmur with an early ejection click, and femoral pulses were markedly reduced. INVESTIGATIONS: Physical examination, laboratory testing, electrocardiography, chest radiography, comprehensive echocardiography including pulsed-wave Doppler examination, and CT of the chest. DIAGNOSIS: Severe coarctation of ...
Mandegar Mohammad Hossein - - 2008
The ascending aorta may be the site of origin of systemic embolization of an unidentifiable cause. We report a case in which a free-floating thrombus of an unknown cause was detected in the ascending aorta via transesophageal echocardiography. The removal of this pedunculated thrombus, which was attached onto a macroscopically ...
Assoul N - - 2008
Mechanical properties of abdominal and thoracic arteries of 2mm in diameter were determined from adults Wistar rats. A tensile testing instrument was used to obtain stress/strain curves with arteries immersed in physiological buffer at 37 degrees C. A displacement was applied on all arteries with various frequencies (1-7.5Hz) and strains ...
Kakouros Nicholaos - - 2008
A 34-year-old woman with previous aortic coarctation repair at the age of 5 years was referred for review. She was in good health. On clinical examination, there was no blood pressure difference between the arms, but pedal pulses were weak. A contrast-enhanced 64-slice thoracic CT scan was performed to assess ...
Nørgaard A - - 2008
Surgical treatment of diseases of the thoracic aorta (aneurysms, dissections, and ruptures) may be associated with serious postoperative complications. Endovascular repair of thoracic aorta pathology is less invasive and offers a therapeutic alternative in high-surgical-risk patients, particularly in the presence of previous surgical repair of the thoracic aorta. The endovascular ...
Singh Ashutosh - - 2008
Pulmonary artery reconstruction is frequently needed during surgery for congenital heart disease. Exposure of the main pulmonary artery and its branches is difficult if they are hypoplastic with a large anteriorly placed aorta. In redo operations, adhesions make this not only technically difficult, but also prone to bleeding. We electively ...
Blockmans D - - 2008
OBJECTIVE: GCA carries an increased risk of developing thoracic aortic aneurysms. Previous work with fluorodeoxyglucose (FDG)-PET has shown that the aorta is frequently involved in this type of vasculitis. We wanted to investigate whether there is a correlation between the extent of vascular FDG uptake during the acute phase of ...
Wang Ye - - 2008
Some electrocution deaths occur without detectable current marks on the skin, making forensic examination to determine the true cause of death more difficult. Because arterial thrombosis was a frequent finding in victims of electrocution, we investigated injury to the endothelium of the aorta and pulmonary artery with a scanning electron ...
Rantner B - - 2008
Coral reef aorta is a rare, unique entity with extensive calcification of the entire aorta, mainly the supra- and juxtarenal part. The main symptoms are lower limb claudication, hypertension, deterioration of renal function and angina abdominalis. We report a case of successful treatment of a patient with a coral reef ...
Nezic Dusko - - 2008
Composite conduit aortic root replacement has become widely accepted as the preferred treatment for ascending aorta aneurysm and dissection. We present a patient in whom creation of 'buttons' was impossible due to fragility of the ascending aorta wall. The distal anastomosis was made to the transected aorta. The remnant of ...
Goksel Onur S - - 2008
BACKGROUND AND AIM: Adult patients with complex forms of descending aortic disease remain a surgical challenge and have a high risk of postoperative mortality and morbidity. Surgical management may be complicated when there is an associated cardiac defect, necessitating repair, or a hostile anatomy exists. We present our experience with ...
Keil S - - 2008
To compare the impact of iodine concentration using two different contrast materials (CM) at standardized iodine delivery rate (IDR) and overall iodine load in 16-multidetector-row-CT-angiography (MDCTA) of the pulmonary arteries of 192 patients with known or suspected pulmonary embolism. One hundred three patients (group A) received 148 ml of a ...
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