• Diseases in aorta are recognized as a widely seen contributor of spontaneous spinal cord ischaemia, represented by rupturing of thoracic aortic aneurysm, arterial occlusion by aortic intima separated from endothelial wall in aortic dissection, and aortic coarctation. (wikipedia.org)
  • Thoracic endovascular aortic repair (TEVAR) was carried out to introduce a stent graft in order to treat thoracoabdominal aortic aneurysm, a condition of enlarged aorta with weakened vascular wall, as well as traumas and atherosclerosis. (wikipedia.org)
  • To compare single- versus four-channel helical computed tomographic (CT) aortography.Forty-eight patients with aortic aneurysm or dissection underwent four- and one-channel CT angiography. (stanfordhealthcare.org)
  • The aorta originates at the left ventricle above the aortic valve, travels upward (ascending thoracic aorta) to the first branch of the aorta (brachiocephalic or innominate artery), arches up and behind the heart (aortic arch), then turns downward distal to the left subclavian artery (descending aorta) through the thorax (thoracic aorta) and abdomen (abdominal aorta). (msdmanuals.com)
  • Many patients with thoracic aortic aneurysms are asymptomatic at presentation and the aneurysms are detected during testing fot other disorders or in course of follow-up for previous aortic surgery. (gsdinternational.com)
  • Findings on the chest radiograph may be rarely diagnostic of a ascending aortic aneurysm or a thoracic aortic aneurysm in general. (gsdinternational.com)
  • CT scan with the use of contrast is the most widely used non invasive technique for diagnosing thoracic aortic disease. (gsdinternational.com)
  • The supra-aortic vessels, that carries the oxygenated blood to the brain and upper limbs, are sutured to the graft with a single arterial button or separately, using a branched graft. (gsdinternational.com)
  • This image shows the ascending thoracic aorta (red arrow) with descending thoracic aorta (blue arrow). (msdmanuals.com)
  • When the aneurysm involves more the just the very proximal descending thoracic aorta, a two-stage procedure may be considered. (gsdinternational.com)
  • Characteristic locations for noncerebral arterial occlusion include the upper extremities, abdominal viscera, and lower extremities. (bvsalud.org)
  • The variants included in this document are known arterial occlusion in the upper extremity, lower extremity, mesentery, kidneys, and multiorgan distribution that are suspected to be of embolic etiology. (bvsalud.org)
  • Infarction occurs predominantly in arteries, and the watershed region, which refers thoracic spinal cord here, is highly susceptible to ischaemic attack. (wikipedia.org)
  • Aneurysms are abnormal dilations of arteries caused by weakening of the arterial wall. (msdmanuals.com)
  • Aneurysms are abnormal dilations of arteries defined as a ≥ 50% increase in arterial diameter compared with normal segments. (msdmanuals.com)
  • Most often, the aorta ruptures into the abdominal cavity, although the possible violation of its integrity in the thoracic cavity or in the field of its divergence into smaller arteries. (vsebolezni.com)
  • Retroperitoneal bleeding with an arterial pseudoaneurysm was successfully treated by an endovascular stent graft. (e-neurospine.org)
  • Noncerebral systemic arterial embolism, which can originate from cardiac and noncardiac sources, is an important cause of patient morbidity and mortality. (bvsalud.org)
  • Determining the source of arterial embolism is essential in order to direct treatment decisions. (bvsalud.org)
  • This document reviews the appropriateness category of various imaging procedures available to determine the source of the arterial embolism. (bvsalud.org)
  • Cases of spinal stroke following operations like aortography, spinal anesthesia and lumbar spine surgery are reported. (wikipedia.org)
  • Aortography demonstrated a traumatic AVF between the right common iliac artery and the right common iliac vein with a 1cm-sized pseudoaneurysm ( Fig. 3 ). (e-neurospine.org)
  • 73% of sequestrations develop blood vessels leading off the abdominal aorta, and 18% develop blood vessels leading off the thoracic aorta. (medscape.com)
  • Scan pairs covered the thoracic inlet to the diaphragm (n = 10) and supraceliac abdominal aorta (n = 19) or thoracic inlet (n = 19) to the femoral arterial bifurcations. (stanfordhealthcare.org)
  • This image shows a 5- x 2-cm subpulmonic mass with punctuate calcification (confirmed on unenhanced CT scan) with an arterial supply from the celiac axis (white arrows) and venous drainage via the left renal vein (red arrow). (medscape.com)
  • Aneurysm is the most common condition of the thoracic aorta that requires surgical treatment. (gsdinternational.com)
  • Although recognition related to production of precardial effusion, signs of right heart failure and radiographic findings, aortography and echocardiography, exact diagnosis in live animal requires surgical biopsy. (vin.com)
  • They are caused by weakening of the arterial wall, specifically, the media. (msdmanuals.com)
  • Thoracic endovascular aortic repair (TEVAR) was carried out to introduce a stent graft in order to treat thoracoabdominal aortic aneurysm, a condition of enlarged aorta with weakened vascular wall, as well as traumas and atherosclerosis. (wikipedia.org)
  • This image shows a 5- x 2-cm subpulmonic mass with punctuate calcification (confirmed on unenhanced CT scan) with an arterial supply from the celiac axis (white arrows) and venous drainage via the left renal vein (red arrow). (medscape.com)
  • Indications for use of CO 2 as a contrast agent include: aortography and runoff, detection of bleeding, renal transplant arteriography, portal vein visualization with wedged hepatic venous injection, venography, arterial and venous interventions, and endovascular aneurysm repair. (vsijournal.org)
  • Now CO 2 is used widely as an intravascular contrast agent in both the arterial and venous circulations for various indications. (vsijournal.org)
  • These result from direct penetrating thoracic injury or injury to a peripheral venous structure with embolization to the heart. (doctorlib.info)
  • Functional success, with patent grafts, has thus been achieved with fresh and preserved, venous and arterial, autogenous and homogenous (as well as heterogenous"*) transplants. (nih.gov)
  • Mutations of the ACTA2 gene, which encodes the smooth muscle cell-specific isoform of α-actin protein, have recently been found to be among the most common genetic abnormalities observed in patients with familial thoracic aortic aneurysms/dissection (TAAD). (nih.gov)
  • Clinical, pathological, and genetic analysis of a Korean family with thoracic aortic aneurysms and dissections carrying a novel Asp26Tyr mutation. (nih.gov)
  • Aneurysms are abnormal dilations of arteries caused by weakening of the arterial wall. (msdmanuals.com)
  • Aneurysms are abnormal dilations of arteries defined as a ≥ 50% increase in arterial diameter compared with normal segments. (msdmanuals.com)
  • Mutations in smooth muscle alpha-actin (ACTA2) cause coronary artery disease, stroke, and Moyamoya disease, along with thoracic aortic disease. (nih.gov)
  • The peripheral arterial Doppler examination confirmed the presence of the aortoiliac occlusive disease with refilling of the common iliac arteries by collaterals, but also highlighted the fact that there was no hemodynamically significant distal vascular stenosis. (romanianjournalcardiology.ro)
  • Hypertension can be observed in various situations in the modern NICU and is especially common in infants who have undergone umbilical arterial catheterization. (medscape.com)
  • A study by Singh and colleagues clearly demonstrated that hypertension was considerably more common in infants with bronchopulmonary dysplasia, patent ductus arteriosus, or intraventricular hemorrhage or in those who had indwelling umbilical arterial catheters. (medscape.com)
  • Approximately 9% of the infants in their series who had indwelling umbilical arterial catheters developed hypertension. (medscape.com)
  • Following Neal's report, the association between umbilical arterial catheter-associated thrombi and the development of hypertension was confirmed by several other groups of investigators. (medscape.com)
  • 25 year old male, who had been followed for systolic arterial hypertension for a couple of years, not using any medications, was transferred to our department from a local hospital where he was hospitalized for fever, cough and exertional dyspnea of sudden onset. (madridge.org)
  • It had passed through the PFO into the left heart and then to the systemic arterial circulation. (medscape.com)
  • The aorta originates at the left ventricle above the aortic valve, travels upward (ascending thoracic aorta) to the first branch of the aorta (brachiocephalic or innominate artery), arches up and behind the heart (aortic arch), then turns downward distal to the left subclavian artery (descending aorta) through the thorax (thoracic aorta) and abdomen (abdominal aorta). (msdmanuals.com)
  • This image shows the ascending thoracic aorta (red arrow) with descending thoracic aorta (blue arrow). (msdmanuals.com)
  • Aortography showed a mildly dilated aortic root, minimal aortic valve insufficiency and a significant ring-like stenosis in the thoracic descending aorta (Figures 1 and 2 ). (medsci.org)
  • According to the clinical presentation of the patient, subacute bacterial endocarditis as a source of popliteal arterial embolization was suspected. (medscape.com)
  • the exception of the fresh autogenous arterial graft, the cellular constituents of the transplants disintegrate, the muscle cells of the media disappear, and fibrous tissue replacement occurs, often with collagenous degeneration and calcification. (nih.gov)
  • CO 2 should not be used in the thoracic aorta, the coronary artery, and cerebral circulation. (vsijournal.org)
  • Recognition of the importance of de- veloping a source of fresh autogenous arterial tissue from which gratts of large diameter might be constructed led to a consideration of the possible use of the splenic artery for this purpose. (nih.gov)
  • Aortography still remains the most definitive tool for confirming the diagnosis of acute aortic dissection. (kauveryhospital.com)
  • Thoracic trauma is responsible for 25% of the deaths from vehicular accidents of which 10-70% of this subgroup may have been the result of blunt cardiac rupture. (doctorlib.info)
  • Hurwirr, M.D., anp Aprian Kanxrrowirz, M.D., New York, N. Y. (From the Surgical Research Laboratories, the Montefiore Hospital) N JAN. 28, 1947, an experimental program was launched in the Surgical O Research Laboratory of the Children's Medical Center in Boston whieh led directly to the first successful use of preserved homologous arterial grafts in human beings by Dr. Robert E. Gross. (nih.gov)
  • To date, no adequate source of autogenous arterial tissue for fresh aortie grafts has been devised. (nih.gov)
  • This image shows the ascending thoracic aorta (red arrow) arising from the left ventricle (blue arrow). (msdmanuals.com)
  • Thoracic aortic aneurysm (TAA) is the focal dilatation of the thoracic aorta to more than 1.5 times its normal diameter. (amboss.com)
  • Cases of spinal stroke following operations like aortography, spinal anesthesia and lumbar spine surgery are reported. (wikipedia.org)
  • If symptomatic, they may manifest with a feeling of pressure in the chest, thoracic back pain , and signs of mediastinal obstruction (e.g., difficulty swallowing ). (amboss.com)
  • Paravalvular leak (PVL) is a shortcoming that can erode the clinical benefits of transcatheter valve replacement (TAVR) and therefore a readily applicable method (aortography) to quantitate PVL objectively and accurately in the interventional suite is appealing to all operators. (bvsalud.org)
  • In the clinical setting, LVOT-AR was compared with trans-thoracic and trans-oesophageal echocardiography and cardiac magnetic resonance imaging. (bvsalud.org)
  • The first patient was a male (25 years old) with a gunshot wound under the left clavicle who was initially treated in a regional hospital with thoracic drainage. (medscape.com)
  • The general acceptance at this time of the preserved arterial homograft represents a compromise, with a transplant that might be mtact both func tionally and anatomically as the ideal. (nih.gov)