AortaEndovascularRuptureEctasiaArterySize of the aneurysmLEFT VENTRICULAR ANEURYSMSaccularAortic wallDiffuse dilatationArteriesNeckFalse aneurysmIntracranial aneurysmsVesselAbnormalDiameterBicuspid aortiOccurDilationDissectionsPosteriorPathologicCerebralAsymptomaticSymptomsDiseaseMortalityMorphologyVentricularReconstructionOcclusionCoilsMiceThrombusDisordersExperimentalIncidencePatientsEmbolicDiagnosisWallDysfunctionDegrees
Aorta21
- Abdominal aortic aneurysm (AAA) is an asymptomatic condition characterized by progressive dilatation of the aorta. (biomedcentral.com)
- Since abdominal aortic dilatation is usually asymptomatic, and screening programs are not widely implemented, aneurysm of the aorta is usually discovered incidentally or upon rupture. (biomedcentral.com)
- Aneurysm of the abdominal aorta was defined as an abdominal aorta diameter of ≥3 cm or an aortic diameter 1.5 times larger than the adjacent segment based on current guidelines [ 11 ]. (biomedcentral.com)
- In familial TAAD, the aorta can become weakened and stretched (aortic dilatation), which can lead to a bulge in the blood vessel wall (an aneurysm). (medlineplus.gov)
- Occasionally, people with familial TAAD develop aneurysms in the brain or in the section of the aorta located in the abdomen ( abdominal aorta ). (medlineplus.gov)
- dilation of the aorta that is not defined as an aneurysm, usually less than 3 cm in diameter. (onteenstoday.com)
- Symptoms of a thoracic aortic aneurysm (affecting upper part of aorta in chest): Pain in the jaw, neck, upper back or chest. (onteenstoday.com)
- When a weak area of your thoracic aorta expands or bulges, it is called a thoracic aortic aneurysm (TAA). (onteenstoday.com)
- Open-chest surgery to repair a thoracic aortic aneurysm generally involves removing the damaged section of the aorta and replacing it with a synthetic tube (graft), which is sewn into place. (onteenstoday.com)
- An abdominal aortic aneurysm (AAA) is an abnormal dilation of the abdominal aorta between the diaphragm and the aortic bifurcation of the iliac arteries. (onteenstoday.com)
- Abdominal aortic aneurysm (AAA) is a segmental dilatation of the abdominal aorta exceeding the normal vessel diameter by 50%, 3.0 cm being a recognized threshold. (mitacs.ca)
- Our aortic team specialise in the treatment of aortic problems, such as an aneurysm (dilatation of the aorta) or a split along its length. (royalfree.nhs.uk)
- A aneurysm can affect any artery but tends to occur more frequently in the aorta or cerebral artery. (healthhype.com)
- The aorta , the largest artery in the body that arises from the left ventricle of the heart is a common site of an aneurysm - aortic aneurysm . (healthhype.com)
- Most aortic aneurysms develop in the abdominal aorta and are known as abdominal aortic aneurysms (AAA). (healthhype.com)
- An aortic aneurysm (AA) may only affect the thoracic aorta (TA), abdominal aorta (AAA) or coexist in both segments of the aorta (TAA / thoracoabdominal aneurysm). (healthhype.com)
- Dilatation of the whole aorta. (sgul.ac.uk)
- In the thoracic aorta, a diameter of 3 cm or greater is generally considered aneurysmal, although the average size of surgically corrected aneurysms is over 5cm. (medscape.com)
- Thoracic aortic aneurysms (TAAs) can involve the aortic root, ascending aorta, arch, descending aorta, or a combination of these locations. (medscape.com)
- A proximal aneurysm of the aorta is seen (5 x 4 cm), with focal rupture and hemopericardium (not shown). (medscape.com)
- Aneurysmal dilatation of the thoracic aorta can occur by various mechanisms. (medscape.com)
Endovascular9
- The combination of endovascular reconstruction of the parent vessel with use of a self-expanding stent followed by coil embolization offers a promising therapeutic alternative for wide-necked aneurysms not amenable to coil embolization alone. (ajnr.org)
- The endovascular approach is an elegant alternative to craniotomy and neurosurgical clipping of cerebral aneurysms. (ajnr.org)
- In many aneurysms, endovascular therapy is feasible, specifically in those with a small neck. (ajnr.org)
- The geometry of wide-necked aneurysms sometimes makes it impossible to treat the aneurysm through the endovascular route or at least reduces the possibility of obtaining satisfactory coil packing. (ajnr.org)
- The technique of using an intravascular stent to create a bridging scaffold followed by endovascular placement of coils through the interstices of the stent into a wide-necked or fusiform aneurysm has been described in experimental studies ( 3 - 5 ) and in humans ( 6 - 14 ). (ajnr.org)
- This technique may provide another treatment option for patients with wide-necked aneurysms in whom direct surgical clipping or conventional endovascular therapy would be difficult or impossible, and in whom parent artery occlusion is not a feasible option. (ajnr.org)
- Endovascular embolization is generally performed with platinum coils to fill the aneurysm, whether by remodeling stent-assisted or not. (scielo.br)
- BACKGROUND: Endovascular aneurysm repair (EVAR) has been proved to be effective and safe in the elective management of abdominal aortic aneurysms (AAAs). (up.ac.za)
- Endovascular aneurysm repair (EVAR) has provided a safe and effective alternative to the standard open repair of abdominal aortic aneurysms (AAAs). (up.ac.za)
Rupture14
- While aortic aneurysms are common worldwide, it is difficult to determine their exact prevalence because they usually cause no symptoms unless they rupture. (medlineplus.gov)
- Although fibrinoid necrosis and Charcot-Bouchard aneurysms (CBAs) have been postulated to underlie vessel rupture in ICH, the role and significance of CBAs in ICH has been controversial. (nature.com)
- With regard to the high amount of Von Mises stress, the risk of rupture of the aneurysm is higher in this case. (karger.com)
- Abdominal aortic aneurysms (AAA) occur in 5 to 9% of the population over the age of 65 years and transmural aneurysm rupture is the 10th most common cause of death in the industrialized world. (materialise.com)
- Ascending thoracic aortic aneurysm (ATAA) is caused by the progressive weakening and dilatation of the aortic wall and can lead to aortic dissection, rupture, and other life-threatening complications. (nih.gov)
- Currently, the main predictors of rupture risk are the Dmax, sex, and the expansion rate of the aneurysm. (umontreal.ca)
- Le Dmax manque de sensibilité pour détecter le risque de rupture, en particulier pour les petits anévrysmes. (umontreal.ca)
- En vue d'identifier de nouveaux paramètres géométrique associés avec le risque de rupture, nous avons réalisé une étude cas-témoin comparant 63 cas avec AAA rompu ou symptomatique et 94 contrôles avec AAA asymptomatique. (umontreal.ca)
- Dans l'analyse de régression logistique multivariée, en ajustant pour le Dmax et le sexe, les AAA avec un bombement plus haut situé et une surface moyenne plus élevée étaient associés à une rupture. (umontreal.ca)
- Intracranial aneurysm (IA) rupture is responsible for 80% of spontaneous arachnoid hemorrhages and associated with an extremely high mortality rate. (scielo.br)
- Aneurysms larger than 10mm or located in the posterior circulation present an even higher risk of rupture. (scielo.br)
- A false aneurysm is a rare complication of myocardial infarction and develops when myocardial rupture is contained by pericardial adhesions or scar tissue. (eurorad.org)
- However, enhancement of the pericardium has been shown to be more frequent in patients with false aneurysms: it is thought to result from the seepage of blood into the pericardial space at the time of rupture, with subsequent pericardial inflammation and fibrosis [3, 4, 5]. (eurorad.org)
- To report a family with autosomal dominant cutis laxa and a young girl with sporadic cutis laxa, both with variable expression of an aortic aneurysmal phenotype ranging from mild dilatation to severe aneurysm or aortic rupture. (bmj.com)
Ectasia9
- Does ectasia lead to aneurysm? (onteenstoday.com)
- Is ectasia same as aneurysm? (onteenstoday.com)
- Coronary artery aneurysms and ectasia are char- acterized by an abnormal dilatation of a coronary artery. (onteenstoday.com)
- The term ectasia is reserved to mean a diffuse dilatation of a coronary artery, and an aneurysm is a focal dilatation of the vessel (1). (onteenstoday.com)
- What is the difference between ectasia and aneurysm? (onteenstoday.com)
- Which is worse abdominal aortic ectasia or aneurysm? (onteenstoday.com)
- The danger in ectasia is that it can worsen into aneurysm.Cleveland Clinic points out that abdominal aortic aneurysm is the most common type of aneurysm when it comes to arteries. (onteenstoday.com)
- In the four postmortem patients, the vascular pathology was similar, showing ectasia and aneurysmal dilatation confined to the large arteries of the circle of Willis. (neurology.org)
- The combination of aortic root dilatation and ascending aneurysm is termed "annuloaortic ectasia. (medscape.com)
Artery20
- Coronary artery abnormalities can develop (ranging from dilatation to aneurysms). (wikipedia.org)
- Duplication of the middle cerebral artery is known as a rare anomalous vessel arising from the internal carotid artery and an aneurysm at the origin of the duplicated middle cerebral artery is very rare. (unboundmedicine.com)
- We presented a case of ruptured aneurysm at the origin of the duplicated middle cerebral artery and discussed the usefulness of 3D-CTA (three-dimensional computed tomographic angiography) for its diagnosis. (unboundmedicine.com)
- CT scan revealed diffuse subarachnoid hemorrhage and angiography revealed duplication of the right middle cerebral artery and dilatation at its origin. (unboundmedicine.com)
- 3D-CTA was able to demonstrate clearly the aneurysm at the origin of the duplicated middle cerebral artery and we performed neck clipping of the ruptured aneurysm. (unboundmedicine.com)
- To our knowledge, previously there have been only 14 cases which reported such an aneurysm at the origin of a duplicated middle cerebral artery. (unboundmedicine.com)
- We conclude that 3D-CTA is useful for diagnosing aneurysms at the origin of the duplicated middle cerebral artery even when thy can't be detected by angiography. (unboundmedicine.com)
- Neurological surgery JO - No Shinkei Geka VL - 30 IS - 3 N2 - Duplication of the middle cerebral artery is known as a rare anomalous vessel arising from the internal carotid artery and an aneurysm at the origin of the duplicated middle cerebral artery is very rare. (unboundmedicine.com)
- In this study, using fluid-structure interaction (FSI), 3-dimensional blood flow in an aneurysm in the circle of Willis - which is located in the middle cerebral artery (MCA) - has been simulated. (karger.com)
- Changes in aortic wall compliance lead to increased stress on the artery and during systolic impulse can further exacerbate wall fragility, leading to aneurysms. (logicalimages.com)
- The aneurysms were located at the internal carotid artery (n=2) and the basilar tip encroaching the P1 segment (n=2). (ajnr.org)
- An aneurysm may occur because of a localized weakness of the artery wall (saccular). (onteenstoday.com)
- Aneurysm where there is ballooning of a portion of the artery wall. (healthhype.com)
- An aneurysm is a balloon or bulge at one area of the artery wall. (healthhype.com)
- An aneurysm is caused by weakening of the artery wall which may be a result of the following contributing factors or disorders. (healthhype.com)
- An echocardiography showed poor left ventricle contractility with 25 percent LVEF and a small apical aneurysm, severe MV insufficiency that was due to anomalous posterior leaflet and annular dilatation, and the left coronary artery arising from anterior sinus of the pulmonary artery. (ctsnet.org)
- Disease (transcribed): Ruptured aneurysm of right middle cerebral artery. (sgul.ac.uk)
- A celiac artery aneurysm is a dilatation of the celiac artery. (angiologist.com)
- Anatomically and radiologically, an aneurysm is defined as a dilatation at least 50% above the normal diameter of an artery. (medscape.com)
- Polish Registry of Coronary Artery Aneurysms and Ectasias. (who.int)
Size of the aneurysm1
- Management depends on the location, shape, and size of the aneurysm, as well as symptoms and concomitant cardiovascular disease. (logicalimages.com)
LEFT VENTRICULAR ANEURYSM1
- 2] Eli Konen, Naeem Merchant and Carlos Gutierrez et al (2005) True versus False Left Ventricular Aneurysm: Differentiation with MR Imaging-Initial Experience. (eurorad.org)
Saccular3
- Saccular aneurysms involve a bulging of only portion of the vessel wall, whereas fusiform aneurysms involve the entire circumference of a vessel wall. (healthhype.com)
- A saccular aneurysm may vary from 5 to 20 centimeters (cm) while a fusiform aneurysm can reach 20 centimeters in diameter. (healthhype.com)
- Saccular aneurysm on transverse arch. (sgul.ac.uk)
Aortic wall2
- Pseudoaneurysm denotes a ruptured aortic wall with healing of the extravasated blood and formation of the aneurysm wall by fibrous tissue. (medscape.com)
- Most commonly, the pathogenesis of the aneurysms is due to noninflammatory, medial degeneration of the elastic aortic wall. (medscape.com)
Diffuse dilatation1
- 1,3,4,6-10 Aneurysmal arteriopathy is characterized by diffuse dilatation of the major arteries of the circle of Willis. (neurology.org)
Arteries3
- However, the long term prognosis and natural history of Kawasaki disease, particularly in patients with regressed coronary aneurysms or with normal coronary arteries, remain uncertain. (bmj.com)
- On the basis of our own 3-11 and other 12-14 previous studies, we felt there was a need to examine prospectively the long term consequences of regressed coronary aneurysms and normal coronary arteries after Kawasaki disease. (bmj.com)
- but it has been extended to lesions of arteries, as well as to dilatations of the heart. (vineyard.net)
Neck3
- Four consecutive patients with a wide-necked intracranial aneurysm were treated with a combined approach that consisted of delivery of a flexible self-expanding neurovascular stent through a microcather to cover the neck of the aneurysm and subsequent filling of the aneurysm with coils through the stent interstices. (ajnr.org)
- 3D biomodels represented the aneurysm angioarchitecture exactly, especially the neck and domus features. (scielo.br)
- Microsurgical clipping uses a titanium clip that occludes the aneurysm neck. (scielo.br)
False aneurysm2
- With a false aneurysm, blood collects between the media and adventitia thereby causing the adventitia to bulge. (healthhype.com)
- These imaging finding suggested an enhancing pericardium containing a false aneurysm, confirmed at surgery. (eurorad.org)
Intracranial aneurysms5
- We assessed the technical feasibility and efficacy of the combined application of a flexible, self-expanding neurovascular stent and detachable coils in the management of wide-necked intracranial aneurysms in humans. (ajnr.org)
- We studied the technical feasibility and efficacy of a new, extremely flexible, self-expanding neurovascular stent in combination with subsequent coil embolization for the treatment of wide-necked intracranial aneurysms. (ajnr.org)
- Intracranial aneurysms (IA) are abnormal dilatations that can arise in any blood vessels of the intracranial circulation due to histopathological and hemodynamic alterations. (scielo.br)
- Intracranial aneurysms: current evidence and clinical practice. (scielo.br)
- Clipping versus coiling for ruptured intracranial aneurysms: a systematic review and meta-analysis. (scielo.br)
Vessel5
- The purpose of this study is to evaluate the effect of a partly blocked vessel on an aneurysm. (karger.com)
- in the second case, modeling is performed for an ideal geometry of the aneurysm in the MCA with a partly blocked vessel. (karger.com)
- So, the risk of growth of the aneurysm is higher in cases with a partly blocked vessel. (karger.com)
- Although immediate angiographic results are promising, long-term angiographic and clinical follow-up is essential to determine permanent vessel patency and aneurysm occlusion rate. (ajnr.org)
- An aneurysm is an abnormal dilatation of a blood vessel which is localized to one portion of the vessel. (healthhype.com)
Abnormal1
- CONCLUSIONS There is evidence of persisting abnormal vascular wall morphology and vascular dysfunction at the site of regressed coronary aneurysms in patients with previous Kawasaki disease. (bmj.com)
Diameter4
- CBAs, also known as miliary aneurysms or microaneurysms, are small aneurysms that arise from arterioles usually less than 300 µm in diameter [ 18 ]. (nature.com)
- Objective The aim of this study was to investigate the reproducibility of anterior-posterior diameter (APd max ) and three-dimensional lumen volume (3DLV) measurements of abdominal aortic aneurysms (AAA) in a classical murine AAA model. (thieme-connect.com)
- This is because, generally, if the aneurysm diameter is greater than 1.5 times a normal aorta's size, it is known as an aneurysm. (onteenstoday.com)
- As today, due to current existing solutions, only the maximum diameter is monitored, more complex geometric indicators such as aneurysm volumes help physicians assess risks of ruptures. (mitacs.ca)
Bicuspid aorti2
- Idiopathic, noninflammatory aneurysms are associated with congenital conditions (bicuspid aortic valve) and acquired conditions (hypertension). (medscape.com)
- Ascending aortic dilatation associated with bicuspid aortic valve: pathophysiology, molecular biology, and clinical implications. (msdmanuals.com)
Occur2
- How does an aneurysm occur? (healthhype.com)
- However, aortic dissections may occur with medial degeneration in the absence of preexisting aneurysm. (medscape.com)
Dilation2
- Any dilation greater than this and it is considered an aneurysm. (onteenstoday.com)
- Recognition of a bicuspid valve, even in a patient who has normal valve function, is important for purposes of follow-up because of the association of bicuspid valves with an aortopathy that results in progressive aortic root or ascending aortic dilation and aneurysm formation. (msdmanuals.com)
Dissections2
- Ruptured aortic aneurysms and dissections are estimated to cause almost 30,000 deaths in the United States each year. (medlineplus.gov)
- This explained the sudden dilatation: aneurysms in these mice are more reminiscent of aortic dissections. (materialise.com)
Posterior1
- A transthoracic echocardiography was performed and a posterior wall aneurysm was suspected. (eurorad.org)
Pathologic1
- We present five patients with aneurysm and compare the clinical and pathologic findings with those of eight patients described in the literature. (neurology.org)
Asymptomatic1
- Asymptomatic thoracic aortic aneurysm (TAA) patients can have cardiothoracic consultation for close outpatient follow-up or immediate bedside consultation for any other emergent concerns. (logicalimages.com)
Symptoms2
- Aortic aneurysms usually have no symptoms. (medlineplus.gov)
- Patients with idiopathic, noninflammatory aneurysms are typically adults and present with symptoms of aneurysm later than do those patients with identified connective tissue disorders. (medscape.com)
Disease2
- Patients with connective tissue disease with aortic root aneurysm are at risk of dissection and progression of the dilatation. (aats.org)
- 1 , 2 Approximately 50% of coronary aneurysms occurring in the acute stage of this disease were shown to regress within several years, and normal angiographic findings were demonstrated. (bmj.com)
Mortality1
- The Multicentre Aneurysm Screening Study (MASS) into the effect of abdominal aortic aneurysm screening on mortality in men: a randomised controlled trial. (thieme-connect.com)
Morphology2
- In 2015, he won a Mimics Innovation Award for his research on the morphology of abdominal aortic aneurysms in mice infused with angiotensin II. (materialise.com)
- The virtual 3D models greatly enhanced Dr. Trachet's capacity to study the morphology of the abdominal aortic aneurysms present in angiotensin II-treated mice. (materialise.com)
Ventricular2
- In one patient, aneurysm perforation with the microcatheter occurred and necessitated ventricular drainage, which led to a large parenchymal and intraventricular hemorrhage because of the strong anticoagulation regimen. (ajnr.org)
- 3] S Gill,D J Rakhit,S K Ohri et al (2011) Left ventricular true and false aneurysms identified by cardiovascular magnetic resonance. (eurorad.org)
Reconstruction1
- Materialise Mimics-based 3D reconstruction of a dissecting aneurysm. (materialise.com)
Occlusion1
- Stent placement in the desired position with complete or nearly complete occlusion of the aneurysms was feasible in all patients. (ajnr.org)
Coils1
- age range, 43-49 years) with a wide-necked intracranial aneurysm were treated with the Neuroform microdelivery stent system (Smart Therapeutics, Inc./Boston Scientific, San Leandro, CA) and detachable platinum coils. (ajnr.org)
Mice4
- 4 Martin-McNulty B, Vincelette J, Vergona R, Sullivan ME, Wang Y-X. Noninvasive measurement of abdominal aortic aneurysms in intact mice by a high-frequency ultrasound imaging system. (thieme-connect.com)
- Although mice are the most commonly used animals in aneurysm research , there are some important differences between aneurysms that form in mice treated with angiotensin II, on the one hand, and aneurysms that form spontaneously in humans, on the other hand. (materialise.com)
- In mice, the abdominal aortic aneurysm forms suprarenally (i.e. above the kidneys), while in humans most aneurysms form infrarenally (i.e. below the kidneys). (materialise.com)
- Aneurysms in mice often develop an intramural thrombus rather than an intraluminal thrombus as we see in human aneurysms. (materialise.com)
Thrombus1
Disorders1
Experimental1
- Dr. Bram Trachet, post-doctoral researcher at École Polytechnique Fédérale de Lausanne (EPFL) in Switzerland, explores novel high-resolution imaging techniques as well as image-guided histology to visualize experimental aneurysms in laboratory animals. (materialise.com)
Incidence1
- With improvements in screening and imaging techniques, the incidence of thoracic aortic aneurysm (TAA) has been increasing steadily in the last decades. (medscape.com)
Patients4
- Radiation dose measurements during INR were performed in 332 patients with unruptured aneurysm (URAN), dural arteriovenous fistula (DAVF), and arteriovenous malformation (AVM). (go.jp)
- Patients with aortitis and aneurysms present at middle age or older, including advanced ages, especially in the case of giant cell aortitis. (medscape.com)
- and the remaining 51% had idiopathic noninflammatory aneurysms, with approximately 60% of this last group of patients being hypertensive. (medscape.com)
- L'objectif de ce travail était de décrire le profi l des manifestations cardiovasculaires chez les patients vivants avec le VIH en le comparant à celui de patients séronégatifs. (bvsalud.org)
Embolic1
- Despite enormous advancement in the development of flexible microcatheters, coil configurations, and embolic materials, wide-necked aneurysms still remain a therapeutic challenge. (ajnr.org)
Diagnosis2
- DEAR DR. ROACH: In January, I received a diagnosis of an abdominal aortic aneurysm measuring 2.9 centimeters. (sunjournal.com)
- Computed tomography confirmed an ALCAPA diagnosis and showed dilatation of left chambers with no additional abnormalities. (ctsnet.org)
Wall3
- Aneurysms do not always appear like a balloon extending from the wall. (healthhype.com)
- True aneurysms represent areas of bulging, scarred and thinned myocardium, which are dyskinetic and usually located at the anterior wall and apex. (eurorad.org)
- Both types of aneurysm may show contrast delayed enhancement in the wall of the aneurysm sac. (eurorad.org)
Dysfunction1
- This may lead to dilatation (widening) of the right ventricle, dysfunction and aneurysm formation. (uni-saarland.de)
Degrees1
- Pathologically, noninflammatory aneurysms demonstrate degrees of cystic, medial degeneration, depending on etiology or association. (medscape.com)