• [ 26 ] Linear calcifications tend to be present in the aortic arch (porcelain aorta) and in the descending thoracic aorta in chronic disease, sparing the ascending aorta. (medscape.com)
  • Takayasu arteritis (TAK) is a granulomatous vasculitis of unknown etiology that commonly affects the thoracic aorta and its branches, the pulmonary arteries, and the coronary arteries. (medscape.com)
  • Loss of sharp definition and a wavy or scalloped appearance of the descending thoracic aorta have been described. (medscape.com)
  • When the aneurysm involves more the just the very proximal descending thoracic aorta, a two-stage procedure may be considered. (gsdinternational.com)
  • Thoracic aortic aneurysms are bulges (dilations) in the wall of the aorta in the part that passes through the chest (thorax). (msdmanuals.com)
  • Thoracic aortic aneurysms may not cause symptoms, or they may cause pain, coughing, and wheezing. (msdmanuals.com)
  • Thoracic aortic aneurysms sometimes rupture, which causes excruciating pain (beginning high in the back and spreading down the back and into the abdomen), low blood pressure, and death. (msdmanuals.com)
  • Thoracic aortic aneurysms are sometimes identified incidentally because computed tomography (CT) of the chest is used widely for the diagnosis of other diseases. (msdmanuals.com)
  • As is often the case, thoracic and thoracoabdominal aneurysms are often found incidentally. (mhmedical.com)
  • In some thoracic aneurysms-the aortic valve or other nearby vessels are replaced or repaired. (epnet.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)
  • Secondary stent graft infection is a life-threatening complication after thoracic endovascular aortic repair (TEVAR). (uu.nl)
  • 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)
  • The pulmonary vessels and the ribs have significant different attenuation values compared with the adjacent aerated lung. (radtechonduty.com)
  • Because of the intrinsic natural contrast, IV iodinated contrast medium administration is not necessary for all thoracic indications. (radtechonduty.com)
  • Penetrating thoracic injuries are addressed in Penetrating Chest Trauma. (medscape.com)
  • [ 1 ] Estimates of thoracic trauma frequency indicate that injuries occur in 12 persons per 1 million population per day. (medscape.com)
  • Overall, blunt thoracic injuries are directly responsible for 20-25% of all deaths, and chest trauma is a major contributor in another 50% of deaths. (medscape.com)
  • Blast injuries can also result in significant blunt thoracic trauma. (medscape.com)
  • Blunt trauma that causes significant cardiac injuries (eg, chamber rupture) or severe great vessel injuries (eg, thoracic aortic disruption) frequently results in death before adequate treatment can be instituted. (medscape.com)
  • Bliss D, Silen M. Pediatric thoracic trauma. (cmaj.ca)
  • The phenomenon occurs suddenly and anticipate its occurrence is almost impossible, although destructive processes in the vessel starts a bit earlier if aortic pathology is not caused by trauma. (vsebolezni.com)
  • See "Thoracic trauma in children: Initial stabilization and evaluation" . (medilib.ir)
  • Magnetic resonance imaging identified a foreign body within the lower thoracic esophagus. (nih.gov)
  • The demarcation of the esophagus and the gastroesophageal junction can be improved by giving the patient an oral contrast agent, most often a barium suspension, shortly before beginning the scan, but is not necessary for most thoracic CT examinations. (radtechonduty.com)
  • First, the vessel wall begins to delaminate between the layers penetrates the blood, which facilitates further delamination of the tissues and rupture the outer layers of the shell of the vessel (there are three). (vsebolezni.com)
  • Bradycardia is often observed in the initial stages of damage to the wall of the abdominal aorta (dissecting aneurysm), in the later stages it may move to the tachycardia (when there has occurred a rupture of the vessel wall). (vsebolezni.com)
  • Carried out directly before a surgical intervention allows to accurately determine the size and localization of the aneurysm, rupture of vessel, size of the stent (a special design that allows to expand the lumen of the aorta). (vsebolezni.com)
  • They may appear as discrete, well encapsulated or infiltrative masses, around the great vessels and mediastinal structures. (vin.com)
  • In most adults, the mediastinal vessel and lymph nodes are surrounded by enough fat to be easily identified. (radtechonduty.com)
  • Blunt injury to the chest can affect any one or all components of the chest wall and thoracic cavity. (medscape.com)
  • The thoracic aorta is the part of the aorta that passes through the chest cavity. (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)
  • Note the narrowing of the origin of the right subclavian artery and a narrowed small vessel with subsequent aneurysmal dilatation on the right side. (medscape.com)
  • Subsequent intraoperative aortography confirmed an aortoesophageal fistula. (nih.gov)
  • Although arch aortography remains the "gold standard," contrast-enhanced computed tomography and transesophageal echocardiography are acceptable methods to exclude aortic injuries. (cmaj.ca)
  • When the aneurysm is in close proximity to the visceral segment or arch vessels, an open repair is indicated. (mhmedical.com)
  • Improvement in temporal and spatial resolution that have been perceived, as a result of this, multidetector row CT (MDCT) have been particularly valuable in thoracic imaging. (radtechonduty.com)
  • These new, noninvasive CT imaging techniques can augment, and sometimes replace, the information provided from more invasive test such as aortography, pulmonary angiography and coronary angiography. (radtechonduty.com)
  • Journal of Thoracic Imaging. (elsevierpure.com)
  • The advantage of the aortogram in the diagnosis of aortic dissection is that it can delineate the extent of involvement of the aorta and branch vessels and can diagnose aortic insufficiency. (wikipedia.org)
  • Great vessel injury is a rare but well-known complication of lumbar disc surgery, which may result in acute or fatal outcomes of delayed diagnosis. (e-neurospine.org)
  • Great vessel injury is a rare but fatal complication that can occur during lumbar disc surgery. (e-neurospine.org)
  • It causes intimal fibroproliferation, which ultimately leads to segmental stenosis, occlusion, dilatation, and aneurysmal formation in these vessels. (medscape.com)
  • Currently angiography is used for special situations such as mapping the spinal cord circulation or concurrent occlusive disease in the head and neck vessels. (mhmedical.com)
  • CT scan with the use of contrast is the most widely used non invasive technique for diagnosing thoracic aortic disease. (gsdinternational.com)
  • An abnormal balloon- or sac-like dilatation in the wall of the THORACIC AORTA. (lookformedical.com)
  • In children, traumatic aortic injuries are uncommon (in about 0.1% of cases) because of the relative elasticity of their great vessels compared with those in adults. (cmaj.ca)
  • Aortography involves placement of a catheter in the aorta and injection of contrast material while taking X-rays of the aorta. (wikipedia.org)
  • He was incidentally noted to have a 6.7-cm aneurysm of his thoracic aorta that involved the visceral segment ( Figure 31-1 ). (mhmedical.com)
  • Great vessel injury can result in massive retroperitoneal hemorrhage or present as a delayed pseudoaneurysm or arteriovenous fistula (AVF) 2 , 3 , 6 , 8 , 9 , 11) . (e-neurospine.org)
  • In cases of great vessel injury, early detection and management is critical to ensure patient survival 1 , 4 , 7) . (e-neurospine.org)
  • B-mode ultrasonography may depict homogeneous circumferential thickening of affected vessels, characterized by diffuse hypoechoic or isoechoic thickening of the affected wall on longitudinal scanning, classically described as the "macaroni sign," which may represent edema, increased vascularity, or both. (medscape.com)
  • Whenever possible, scan of the thoracic should be acquires within a single breath-hold, as this will prevent misregistration that may be caused by uneven patient breathing between scans. (radtechonduty.com)
  • Marfan Syndrome Marfan syndrome is a rare hereditary disorder of connective tissue, resulting in abnormalities of the eyes, bones, heart, blood vessels, lungs, and central nervous system. (msdmanuals.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)
  • Aneurysm is the most common condition of the thoracic aorta that requires surgical treatment. (gsdinternational.com)
  • In another common form of thoracic aortic aneurysm, the walls of the aorta degenerate (a condition called cystic medial necrosis), and the part of the aorta nearest the heart enlarges. (msdmanuals.com)
  • 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)
  • Besides this clinic there are 36 Thoracic surgery clinics in India. (doctor.global)