Patients with functioning renal transplant who develop abdominal aortic aneurysm can safely be treated with endovascular repair. Endovascular repair of aneurysm avoids renal ischemia associated with cross-clamping of aorta.
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Endovascular repair of aneurysms involving the visceral segment of the abdominal aorta still remains a challenge. We report a patient with a large saccular aneurysm involving the visceral segment of the abdominal aorta that was ultimately excluded by endovascular deployment ...
PubMed
One to four per cent of all deaths in patients over 65 are caused by aneurysmatic diseases of the abdominal or thoracic aorta. For elective surgery in abdominal aneurysms, open surgery and endovascular treatment both demonstrate brilliant overall results. In the thoracic aorta, new ...
We report on a the endovascular treatment of ruptured abdominal aortic aneurysm with aortocaval fistula. The stent-graft was placed with the patient under general anaesthesia, and the abdominal aorta aneurysm was successfully treated. To prevent pulmonary embolism vena cava filter was deployed before the ...
This report describes an incidental finding of a pseudoaneurysm of the abdominal aorta on a computed tomography (CT) renal angiogram during investigation of chronic renal failure in a 73-year-old man. The patient had undergone a translumbar aortogram 20 years previously. An increase in the size of the aneurysm by 7 mm over 6 months prompted treatment and ...
Abdominal aortic false aneurysms in patients with Behcet's disease have been reported frequently and repaired successfully by various procedures; however, anastomotic false aneurysms have often been reported to occur after the operation. In this article, we report a case of four-time repetitive, recurrent suprarenal abdominal aortic false aneurysm ruptures ...
Reintervention due to endoleak of aortic endograft repair is often challenging. Herein, we report endovascular endoleak repair in a patient with previous thoracic and abdominal endovascular grafts with extensive coverage of the aorta. The present technique included snorkeling of the celiac trunk to preserve ...
EVAR; Endovascular aneurysm repair - aorta; AAA repair - endovascular; Repair - aortic aneurysm - endovascular ... to guide the stent graft up into your aorta, to where the aneurysm is located. The doctor ...
MedlinePLUS
Patients with aneurysmal dissections involving both the thoracic and the abdominal aorta are particularly challenging to treat with endovascular techniques because of the natural communications at the level of the visceral arteries. We present the case of a patient with Marfan syndrome with an aneurysmal aortic dissection involving the ...
Disease of the Distal Thoracal Aorta, Treated by Endovascular Aorta-Stent-Graft, or Surgical Operation
ClinicalTrials.gov
We describe a case of endovascular treatment in a 64-year-old woman affected by a penetrating atherosclerotic ulcer (PAU) of the abdominal aorta with a 26-mm pseudoaneurysm involving the celiac trunk (CT) origin and with superior mesenteric artery (SMA) occlusion in the first 30 mm. The patient underwent stenting to treat the SMA ...
Penetrating abdominal trauma with injury to the aorta and vena cava usually requires emergent intervention and is frequently lethal. Formation of a chronic aortocaval fistula (ACF) is an uncommon late complication of these injuries. We report a case of an ACF presenting 17 years after a gunshot wound to the abdomen, with progressive congestive heart ...
Endovascular treatment (stenting) has evolved as an effective and safe treatment modality for symptomatic subclavian and innominate artery disease. Most of these patients have comorbid conditions associated with atherosclerotic vascular disease, which is responsible for the access site and increased difficulty of procedure. We report a case of symptomatic innominate artery ...
Endovascular repair is becoming the mainstay of treatment for aneurysmal disease of the abdominal and thoracic aorta. Access related issues comprise a major reason for failure or conversion to open repair and can contribute to a significant amount of morbidity and mortality. This article will discuss a multitude of access related ...
Traumatic injury of the abdominal aorta is rare and potentially lethal (Yeh et al., J Vasc Surg 42(5):1007-1009, 2005; Chicos et al., Chirurgia (Bucur) 102(2):237-240, 2007) as it can result in major retroperitoneal hemorrhage, requiring an urgent open surgery. In case of concomitant bowel injury or other conditions of hostile abdomen, ...
Purpose. To evaluate the technical and clinical success, safety and long term results of percutaneous transluminal angioplasty/self-expandable nitinol stent placement of infrarenal abdominal aorta focal lesions. Materials and Methods. Eighteen patients underwent PTA of focal atherosclerotic occlusive disease of distal abdominal ...
Angiography - aorta; Aortography; Abdominal aorta angiogram; Aortic arteriogram ... needle. The catheter is carefully moved into the aorta. The doctor can see live images of the ...
Fenestrated endovascular repair of an abdominal aortic aneurysm has been developed to treat patients with a short or complicated aneurysm neck. Fenestration involves creating an opening in the graft fabric to accommodate the orifice of the vessel that is targeted for preservation. Fixation of the fenestration to the renal arteries and the other visceral ...
PubMed Central
Abdominal aortic aneurysm involves a widening, stretching, or ballooning of the aorta. There are several causes of abdominal aortic aneurysm, ...
We conducted this study to investigate the value of primary stent implantation for the endovascular treatment of focal atherosclerotic stenoses of the infrarenal abdominal aorta. The data of 13 patients with a localized complex infrarenal aortic stenosis who underwent primary stenting was retrospectively evaluated. The patients (6 ...
Spontaneous abdominal aortic dissection (AAD) with retrograde thoracic extension is an extremely rare occurrence with a high mortality. Abdominal aortic dissection can be associated with an abdominal aortic aneurysm (AAA) and the presence of an AAD with an AAA mandates surgical intervention because of a high rate of rupture. We present ...
physiologically determined parameters to model the abdominal aorta and realistic remodelling rates for its is characterized by a bulge in the abdominal aorta. Development of the AAA is associated with a weakening into the model so that tissue remodeling can be addressed. The abdominal ...
E-print Network
Two young female patients with Takayasu arteritis presented with symptomatic long-segment abdominal aortic stenosis in the vicinity of previously deployed celiac and renal artery stents that projected markedly into the narrowed aortic lumen. Crushing or distortion of the visceral artery stents during aortic angioplasty was avoided by performing simultaneous or alternating ...
Endovascular exclusion of the abdominal aortic aneurysm (AAA) has been carried out in selected patients during the past decade. The deployment of a complex multicomponent endovascular device in an aneurysmal aorta may alter the local haemodynamics and lead to thrombosis and intimal hyperplasia development. The aim ...
During endovascular aortic repair (EVAR) treatment, the aortic shape is subject to severe deformation that is imposed by medical instruments such as guide wires, catheters, and the stent graft. The problem definition of deformable registration of images covering the entire abdominal region, however, is highly ill-posed. We present a new method for ...
NASA Astrophysics Data System (ADS)
The overall survival of patients with thoracic aortic aneurysm (TAA) has improved significantly in the past few years. Endovascular treatment, proposed as an alternative to surgery, has been considered a therapeutic innovation because of its low degree of invasiveness, which allows the treatment of even high-surgical risk patients with limited complications and mortality. A ...
Acute aortic syndrome are significantly involved in "sudden death" and in-hospital mortality remains high close to 30%, survivors are lifelong at risk for remaining aorta complication such as thoraco-abdominal aneurysm or new aorta dissection or aortic rupture. Classifications are useful tools to determine perioperative strategy. The ...
To improve the performance of endovascular grafts used for the treatment of abdominal aortic aneurysms, we develop a methodology to analyze the phenomena of type I endoleaks in a non-invasive-stented abdominal aorta. As one aspect of this study, an evaluation of the parietal stresses generated by the blood flow is ...
Quantification of abdominal aortic deformation is an important requirement for the evaluation of endovascular stenting procedures and the further refinement of stent graft design. During endovascular aortic repair (EVAR) treatment, the aortic shape is subject to severe deformation that is imposed by medical instruments such as guide ...
To assess the accuracy and efficacy of intravascular ultrasound guidance obtained by an intracardiac ultrasound probe during complex aortic endografting. Between November 1999 and July 2002, 19 patients (5 female, 14 male; mean age 73.5 {+-} 2.1 years) underwent endovascular repair of thoracic (n = 10), complex abdominal (n = 6) and concomitant ...
... vasoactive substances, 1 causing contraction of canine abdominal aorta via a direct action on the smooth muscle, ... effect of HW extract on isolated canine abdominal aorta, in order to provide some insig...
NBII National Biological Information Infrastructure
... We placed a balloon catheter in the abdominal aorta in Flemish Giant rabbits via the femoral artery. Once ... The aorta was ...
DTIC Science & Technology
The most common treatment of acute type A aortic dissection is immediate surgical repair. However, early surgery for acute dissections with peripheral vascular compromise carries a high mortality rate. Herein, we report a case in which we placed percutaneous endovascular stents in a type A dissection patient before proceeding with proximal aortic repair. Bare-metal stents were ...
BackgroundWe report a case of delayed endovascular correction of graft collapse occurred after emergent Thoracic Endovascular Aortic Repair (TEVAR) for traumatic aortic isthmus rupture.Case presentationIn 7th post-operative day after emergent TEVAR for traumatic aortic isthmus rupture (Gore TAG� 28-150), a ...
Abdominal aortic injuries are rarely encountered in blunt abdominal trauma. The traditional treatment of these injuries has been surgical exploration and repair. Endografts are commonly used in the repair of abdominal aortic aneurysms. We present a case of a blunt abdominal aortic injury treated successfully with a ...
We report a successful repair of a ruptured tuberculous pseudoaneurysm of the descending thoracic aorta by endovascular stent graft placement. This procedure is starting to be accepted as an alternative method to surgery, and we review similar cases in the literature.
... evaluate the: kidneys liver gallbladder pancreas spleen abdominal aorta and other blood vessels of the abdomen Click ... the gallbladder or kidney. an aneurysm in the aorta. Additionally, ultrasound may be used to provide guidance ...
... Aortic Aneurysm Reference Summary Introduction Ballooning of the aorta, also known as an "abdominal aortic aneurysm," can ... the benefits and risks of this surgery. Anatomy Aorta Common Illiac Arteries The heart pumps blood into ...
... the wall of an artery -- occur in the aorta. The aorta is the main artery that carries blood from ... aortic aneurysms occur in the part of the aorta running through the chest. Abdominal aortic aneurysms occur ...
The deployment of a Medtronic AneuRx stent-graft system for endovascular abdominal aortic aneurysm repair requires a series of precise maneuvers that include positioning the primary delivery catheter in the infrarenal aorta, retracting the graft-covering sheath, and withdrawing the stainless steel runners. The last step allows the ...
Optical coherence tomography (OCT) is a catheter-based imaging technology with powerful resolution capable of identifying vulnerable plaques and guiding coronary intervention. However, a significant limitation of intravascular OCT imaging is its attenuation by blood. We propose that the use of an oxygen-carrying blood substitute could potentially optimize OCT image quality. Surgical isolation of ...
... through a large blood vessel called the �abdominal aorta.� If an aneurysm develops here, it is called ... used to create a picture of your abdominal aorta using sound waves. The width of your abdominal ...
An aorto-caval fistula is a rare complication of a symptomatic or ruptured infrarenal aortic aneurysm having a frequency of 3-6%. Patients typically present with clinical signs of diffuse abdominal pain associated with increasing venous congestion and tachycardia, rapid cardiopulmonary decompensation with acute dyspnea, and an audible machinerylike bruit. Perioperative ...
Endovascular repair has emerged as a potential alternative to emergency open surgical repair for type A dissection in selected patients, with isolated reports describing the results obtained with a range of devices designed originally for the descending aorta. We believe that we present the first reported repair of an acute ascending aortic dissection ...
The automatic recognition of vascular trees is a challenging task, required for roadmapping or advanced visualization. For instance, during an endovascular aneurysm repair (EVAR), the recognition of abdominal arteries in angiograms can be used to select the appropriate stent graft. This choice is based on a reduced set of arteries ...
Endovascular surgery is currently used to treat abdominal aortic aneurysms (AAA). A stent graft is deployed to exclude blood flow from the aneurysm sac. It is an effective procedure used in preventing aneurysm rupture, with reduced patient morbidity and mortality compared to open surgical repair. Migration and leakage around the device ("endoleak") due to ...
Chronic as well as acute diseases of the thoracic aorta are attracting increasing attention, both in the light of an ageing Western and Oriental population and with the proliferation of modern diagnostic imaging modalities. While classic surgical strategies still dominate the treatment of pathology of the ascending aorta and the proximal arch region, new ...
images of abdominal aortic aneurysms have been segmented to determine the location of aorta of aorta in order to plan treatment. Diagnostic procedure in such cases includes taking CT scan of the abdominal region. After the images are obtained it is necessary to determine the location of aorta
A 55-year-old women developed an aortointestinal fistula between the bifurcation of the aorta and the distal ileum following implantation of multiple endovascular stents into both common iliac arteries for treatment of aortoiliac occlusive disease. Ten months before the acute onset of the gastrointestinal hemorrhage two balloon-expandable steel stents had ...
Interim outcome of endovascular management of Takayasu arteritis (TA) was determined retrospectively to assess the efficacy of angioplasty and/or stenting in 24 patients with 35 lesions in the chronic inactive stage. The renal (n=16), subclavian/innominate (n=11), and carotid (n=5) arteries and abdominal aorta (n=3) were treated. ...
We report a case of a large ruptured thoracoabdominal aortic aneurysm, which was stabilized with endovascular aortic exclusion and snorkel bypass of the superior mesenteric artery (SMA). An 80-year-old African American woman with multiple medical comorbidities and previous open infrarenal abdominal aortic aneurysm repair presented with a ruptured 10.7 � ...
Mycotic aortic aneurysms remain a therapeutic challenge, especially in patients who are not suitable for open surgery. Endovascular treatment with stent-grafts in this indication is still disputed. Between January 2002 and January 2006, six patients with mycotic aneurysms of the thoracoabdominal or abdominal aorta were admitted to our ...
Abdominal aortic aneurysm (AAA) is a condition where the weakening of the aortic wall leads to its widening and the generation of a thrombus. To prevent a possible rupture of the aortic wall, AAA can be treated non-invasively by means of the endovascular aneurysm repair technique (EVAR), consisting of placing a stent-graft inside the ...
The purpose of the study was to assess the effectiveness of contrast-enhanced ultrasonography (CEUS) in endoleak classification after endovascular treatment of an abdominal aortic aneurysm compared to computed tomography angiography (CTA). From May 2001 to April 2003, 10 patients with endoleaks already detected by CTA underwent CEUS with Sonovue ...
A systematic review of published research was performed to assess the effectiveness of endovascularly placed grafts for the repair of aortic disease. This report is confined to infra-renal abdominal aortic aneurysms (AAAs), the condition for which there i...
National Technical Information Service (NTIS)
The objectives of the report are to evaluate treatment options for nonruptured abdominal aortic aneurysms (AAA); the relationship of hospital and physician volume to outcomes for endovascular repair (EVAR); affect of patient and AAA factors on outcomes; c...
The use of endovascular stent grafts for treatment of the descending thoracic aorta is reviewed. Currently, 3 devices have been approved by the US Food and Drug Administration for the treatment of descending thoracic aneurysms, and multiple studies are ongoing to investigate the efficacy of endovascular treatment in such pathologies as ...
... stent replacement - peripheral arteries ) Renal artery stenosis Abdominal aortic aneurysm ( aortic aneurysm repair - endovascular ) Carotid artery disease ( carotid ...
Despite recent improvements in surgical techniques and patient care, open surgery for degenerative aneurysms in the thoracic aorta is still associated with major morbidity in the form of death, cardiac, renal and neurological complications. Recent clinical experience indicates that most of thoracic aortic pathology is potentially amenable to minimally invasive therapy with ...
In Vivo Quantification of Blood Flow and Wall Shear Stress in the Human Abdominal Aorta During aorta of eleven young, healthy subjects. Heart rate increased from 73 6.2 beats/min at rest to 110 8.8 beats/min during exercise (p 0.0001). The total blood flow through the abdominal aorta increased ...
BACKGROUND: Thoracic endovascular aortic repair (TEVAR), initially developed for the treatment of degenerative aneurysms of the descending thoracic aorta, has been applied to the entire spectrum of descending thoracic aortic pathology in both the elective and emergent settings. This single center study evaluates the effectiveness of TEVAR for the treatment ...
aortic borders. Outputs of these two segmentations give a complete 3-D model of abdominal aorta. Such a 3, inflammatory, mycotic diseases as well as by arteriosclerosis. It results in enlargement of the abdominal aorta: Evolution of 3-D deformable model inside tubular object The abdominal ...
AIM: The hypothesis of this research is that there are differences in morphology of dilated and aneurysm changed infrarenal aorta between the patients from Europe and Asia that are important for endovascular treatment. Authors analyzed the morphologic differences of the infra-renal segment of abdominal aorta (a.a.) ...
depression in reactivity of rat abdominal aorta to U46619. Radiat. ... aorta after fission neutron or 60Co g. Yang VV, Ainsworth EJ. (1982) L ...
NASA Website
aorta, coronary arteries and myocardium when a normal diet is combined with ... on pieces of the aorta cut from different levels (arc, sternal and abdominal ...
... 3 Page 9. abdominal aorta and vena cava. A ... performance of thoracic aorta and pulmonary artery tissue isolated frnA ::-2ts adapted to ...
The evolving nature of surgical treatments creates gaps between evidence-based guidelines and actual clinical practice.This article addresses the emerging clinical practice of the EndoVascular Aneurysm Repair (EVAR), a surgical treatment of patients with Abdominal Aortic Aneurysm (AAA). Drawing on a qualitative study across three hospitals, we identified ...
We report the case of a 17-year-old man with acute chest pain due to a partial thrombosis of a pseudo sequestration. Unlike a true sequestration, there was a normal bronchial distribution and the involved lung parenchyma was normal on CT scan. A therapeutic transarterial embolization of the aberrant systemic artery from the proximal abdominal aorta was ...
This paper deals with aneurysmal disease, primarily when localized in the abdominal aorta. It is based on the Olof Rudbeck lecture 2009. Aneurysm is a localized widening of an artery, and its definition has become an important issue today when the disease is in focus for screening programmes. Aetiology and pathogenesis are still poorly understood, but a ...
A male patient, 69 years old, presented with fever, leucocytosis, and persistent low back pain; he also had an abdominal aortic aneurysm (AAA), as previously diagnosed by Doppler UltraSound (US), and was admitted to our hospital. On multislice computed tomography (msCT), a large abdominal mass having no definite border and involving the ...
Occlusive disease of the infrarenal aorta and aorto-iliac arteries can be safely treated by minimally invasive therapy and is now widely available. The aim of this article is to produce standards for the management of these patients using current endovascular techniques.
had endovascular aortic surgery repair to repair an aneurysm (a widened part) in your aorta, the large artery that carries blood to your belly (abdomen), pelvis, and legs. Your...
Science.gov Websites
The aim of this study was to report our experience in endovascular treatment of total aortoiliac occlusion. Five patients who underwent endovascular recanalization procedures including manual aspiration thrombectomy, balloon angioplasty, and stent placement for total aortoiliac occlusion in a 4-year period were reviewed retrospectively. The mean age of ...
To test true-fast imaging with steady-state precession (true-FISP) added to gadolinium-based MR angiography (Gd-MRA) for imaging abdominal aorta and major abdominal vessels, 35 consecutive patients (age 67+/-11 years) with known or suspected abdominal and/or peripheral vascular disease were studied with sagittal ...
... the Gore Thoracic Aortic Aneurysm Stent-Graft (Gore TAG) Device intended for endovascular repair of aneurysms of the descending thoracic aorta and conditions ...
Center for Biologics Evaluation and Research (CBER)
The recent advances in stent technology have provided a choice of techniques in the treatment of thoracoabdominal aortic aneurysms. These techniques should reduce the physiological insult associated with aneurysm repair. Because numbers are small and these techniques are still being perfected, there is as yet limited evidence for a significantly improved survival or reduced paraplegia rates. This ...
One hundred cases clinically diagnosed as aneurysm of the abdominal aorta were examined by ultrasound. The findings are described and the value and limitations of the method assessed.ImagesFig. 1Fig. 2Fig. 3Fig. 4Fig. 5
... vasoconstrictor) (30,31). Angioplasty injury to the abdominal aorta was performed as previously described (29) using a ... from each of two sites in the abdominal aorta (4 cm apart starting 2.5 cm above ...
... tissues used for the positive controls (spleen, abdominal aorta, spinal cord) were also obtained from CD-1 ... as a carrier. Spinal cord, spleen, and abdominal aorta RNAs were isolated to be used as posit...
... angioplasty injury and stent implant in the abdominal aorta of cholesterol-fed rabbits at sites remote from ... binding protein (36). Angioplasty injury to the abdominal aorta was performed as described p...
The transverse diameter of abdominal aorta by computerized tomography is studied. The purpose is to establish the frequent standard diameters and then diagnose early pathologies, mainly aneurisms. (Atomindex citation 16:060842)
... muscle that extends the length of the abdominal aorta, whereas the larval heart is supported ventrally only ... release their material into the lumen of the aorta (L) (see Fig. 11). ID, portion of an ......
INTRODUCTION:: Iatrogenic arterial injury is an uncommon but recognized complication of posterior spinal surgery. The spectrum of injuries includes vessel perforation leading to hemorrhage, delayed pseudoaneurysm formation, and threatened perforation by screw impingement on arterial vessels. Repair of these injuries traditionally involved open direct vessel repair or graft placement, which can be ...
Our objective was to test vibrometry as a means to measure changes in aneurysm sac pressure in an in vitro aneurysm model. Explanted porcine abdominal aortas and nitrile rubber tubes were used to model an aneurysm sac. An ultrasound beam was used to vibrate the surface of the aneurysm model. The motion generated on the surface was detected either by ...
... Abstract : Segments of abdominal aorta in 25 dogs were replaced by knitted Dacron prostheses in studies concerned with limiting the blood loss ...
... This correlation suggested that bubble pressure measurements could be ... connecting the abdominal aorta to the cranial mesenteric artery ...