Search Results
Results 451 - 500 of 2097
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Nordon Ian - - 2009
The pathogenesis of aortic aneurysms remains unclear. There is epidemiologic and histologic evidence showing significant differences in aneurysms of the thoracic and abdominal aorta. Studies suggest that abdominal aortic aneurysms (AAA) may represent a local manifestation of a systemic dilating diathesis. It is not known whether thoracic aortic aneurysms (TAA) ...
Button M C J - - 2009
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 ...
Brechtel K - - 2009
Endovascular aneurysm repair (EVAR) is a well-established alternative to open surgery. The presented case underwent endovascular therapy of an abdominal aortic aneurysm (AAA) with the anatomical prerequisite of a horseshoe kidney. We describe the technique used, including the embolization of aortic side branches, to avoid endoleaks, and the management of ...
Alric P - - 2009
Endovascular treatment of descending thoracic aortic pathologies requires a preoperatively determined interventional strategy. Its feasibility depends mainly on anatomic factors: the morphology of the proximal and distal fixation sites, the diameter and disease state of the access vessels. These factors represent important predictors of success and the most important exclusion ...
Becquemin Jean-Pierre - - 2009
Endovascular repair of infrarenal abdominal aneurysms (EVAR) is currently used in patients with large aneurysm. Two randomized studies, Dutch Randomised Endovascular Aneurysm Management (DREAM) and Comparison of Endovascular Aneurysm Repair with Open Repair in Patients with Abdominal Aortic Aneurysm (EVAR-1), showed favorable early results with EVAR; but at 2 and ...
Mukherjee Dipankar - - 2009
With the advent of endovascular repair of aneurysmal disease, length of hospital stay is becoming shorter. Inherent morbidity and problems associated with open repair have been minimized, leading to an improved patient experience. We describe a fairly typical patient with a popliteal artery aneurysm who would be expected to have ...
Ohtake Hiroshi - - 2009
PURPOSE: An experimental study was done to investigate repair of type I endoleaks in thoracic aortic aneurysms using the T-Fix suturing device (Smith & Nephew Co, Ltd, London, United Kingdom). DESCRIPTION: A saccular descending aortic aneurysm was made in 5 pigs experimentally. A stent graft was deployed to produce a ...
Van Damme H - - 2009
In the trend of the endovascular revolution for occlusive arterial disease, management of aneurysmal disease has known an analogous change in the nineties. Elective endo-aneurysmal stentgrafting (EVAR or endovascular aneurysm repair) is nowadays of widespread application in contemporary practice all over the world, sometimes by over-enthusiast proponents. There is a ...
Neema Praveen Kumar - - 2009
The repair of abdominal aortic aneurysm (AAA) in the presence of significant coronary artery disease (CAD) carries a high-risk of adverse peri-operative cardiac event. The options to reduce cardiac risk include perioperative beta-blockade, preoperative optimization by myocardial revascularization and simultaneous (combined) coronary artery bypass grafting and aneurysm repair. We describe ...
Sueyoshi Eijun - - 2009
Inflammatory abdominal aortic aneurysm (IAAA) is characterized by inflammatory and/or fibrotic changes in the periaortic regions of the retroperitoneum. Surgical repair is usually selected for this disease. However, the perioperative mortality associated with open surgical repair of IAAs is three times higher than that with noninflammatory aortic aneurysms due to ...
Giordano Salvatore - - 2009
AIM: The aim of this study was to evaluate the impact of preoperative cardiac function and haemodynamic parameters on the immediate outcome after repair of ruptured abdominal aortic aneurysm (RAAA). METHODS: This is a retrospective review of 68 consecutive patients who underwent emergency repair of RAAA. Baseline pulmonary artery pressure, ...
Hoegh Annette - - 2009
BACKGROUND: This study investigates whether baseline aortic wall distensibility serves as a supplemental bio-marker for AAA progression and need for later repair. METHODS: In 1998, 61 males with a small asymptomatic AAAs had a baseline measurement of elasticity and stiffness, using an echo-tracking ultrasound system (Diamove). The cohort was followed ...
Hellenthal Femke A M V I - - 2009
Defining progression of abdominal aortic aneurysm (AAA) is complicated by several factors, including measurement error, duration of follow-up, and the imaging modality used to assess AAA expansion. Investigations of biomarkers of AAA progression should be standardized so that valid comparisons can be made. Previous research has shown some promising advances ...
Verhoeven E L - - 2009
BACKGROUND: Recent developments with fenestrated and branched stent grafts have opened the way to treat complex aortic aneurysms involving the visceral arteries. Early reports on endovascular treatment of thoraco-abdominal aneurysms have demonstrated the feasibility of the technique. Given the sparse literature, its safety has not been established yet. METHODS: A ...
Smallwood L - - 2009
OBJECTIVE: To investigate associations between two polymorphisms of the matrix metalloproteinase-2 gene (MMP2) and the incidence and progression of abdominal aortic aneurysm (AAA). METHODS: Cases and controls were recruited from a trial of screening for AAAs. The association between two variants of MMP2 (-1360C>T, and +649C>T) in men with AAA ...
Beck Adam W - - 2009
Para-anastomotic aortic aneurysms and progressive aneurysmal degeneration of the aorta after previous open aortic reconstruction pose a challenging clinical scenario. Due to the proximity to the visceral arteries, endovascular exclusion is typically not an option. However, the development of fenestrated and branched endografts has provided a less invasive means of ...
Schuster Ingrid - - 2009
BACKGROUND: The purpose of this study is to compare costs of conventional surgical therapy with costs of endovascular stent-graft placement in patients with thoracic aortic aneurysms. METHODS: Fifteen patients undergoing either conventional surgical therapy or endovascular stent-graft placement of thoracic aortic aneurysms were analyzed. A catalog of costs was then ...
Truijers Maarten - - 2009
PURPOSE: To evaluate in-vivo thrombus compressibility in abdominal aortic aneurysms (AAAs) to hopefully shed light on the biomechanical importance of intraluminal thrombus. METHODS: Dynamic electrocardiographically-gated computed tomographic angiography was performed in 17 AAA patients (15 men; mean age 73 years, range 69-76): 11 scheduled for surgical repair and 6 under ...
van Prehn Joffrey - - 2009
Electrocardiogram (ECG)-gated imaging offers insight into aortic shape changes throughout the cardiac cycle. Morphologic changes of the anchoring zones may influence stent graft fixation and sealing and may have serious implications for endograft design and durability. We used multiphase magnetic resonance imaging (MRI) scans to evaluate the asymmetric aspect of ...
Sweet Matthew P - - 2009
PURPOSE: To assess the feasibility of endovascular thoracoabdominal aortic aneurysm (TAAA) repair using a standard off-the-shelf multi-branched stent-graft. METHODS: The aortic anatomy of 66 patients (45 men; mean age 74 years, range 57-87) referred for endovascular repair of TAAA was measured using 3-dimensional reconstructed images from computed tomographic angiograms. In ...
Tang Gale L - - 2009
The original abdominal Excluder (W.L. Gore & Associates, Flagstaff, Ariz) endoprosthesis has been associated with late aneurysm sac expansion over time from transgraft ultrafiltration of serous fluid. This has been treated by relining the graft with original or low-permeability components. We asked whether additional component overlap of the original graft ...
Peeters P - - 2009
Critical limb ischemia (CLI) is an endstage manifestation of peripheral artery disease (PAD) and typically describes patients with ischemic rest pain (Rutherford Category 4), or patients with ischemic skin lesions, either ulcers or gangrene (Rutherford Category 5-6). CLI due to infrapopliteal lesions is often not a good indication for infrageniculate ...
Belenky Alexander - - 2009
The purpose of this study was to report our experience in elongating short distal necks of descending thoracic aortic aneurysms (DTAAs) by coil embolization of the celiac trunk prior to endovascular aneurysm repair (EVAR). During 6 years seven patients (five men and two women; mean age, 74) who had DTAAs ...
Biasi Lukla - - 2009
OBJECTIVE: We sought to report our experience with combined retrograde visceral revascularization and endovascular exclusion (hybrid procedure) of thoracoabdominal aortic aneurysms. METHODS: From February 2005 to October 2007, the prospectively collected data of 18 consecutive patients undergoing hybrid repair were analyzed. Median age was 73 years; Crawford-Safi extent included 2 ...
Ricotta Joseph J JJ - - 2009
Endovascular repair of infrarenal abdominal aortic aneurysms has become a well-established and safe treatment modality. Since its development in 1991 by Juan Parodi, an increasing number of procedures have been performed worldwide. The advantages of an endovascular approach include decreased blood loss, length of hospitalization, and early morbidity and mortality. ...
Vourliotakis G - - 2009
AIM: The aim of this study was to present their experience and highlight the technical difficulties associated with the use of fenestrated stent-grafts to treat juxta and pararenal abdominal aortic aneurysms (AAA) in patients having undergone a previous infrarenal endovascular aneurysm repair (EVAR). METHODS: A prospectively held database maintained at ...
Bali C D - - 2009
The incidence of synchronous abdominal aortic aneurysm (AAA) and colorectal cancer (CRC), although quite rare, still represents an issue of controversy regarding the optimal treatment. This study attempts a historical review of the surgical practice during the past decades by reviewing the existing English literature on this topic. The dilemma ...
Fernández-Alonso L - - 2011
We report a case of aortoenteric fistula (AEF) that occurred four years after endovascular abdominal aortic aneurysm repair (EVAR) with the original Gore Excluder endoprosthesis despite uncomplicated stent graft placement without endoleaks or migration on postoperative imaging studies; the patient was reoperated with a Cook aortouniiliac converter for endotension three ...
Colacchio Giovanni - - 2009
Elective bilateral exposure of iliac arteries during endovascular or laparoscopic aneurysm repair is commonly performed through two retroperitoneal incisions in the iliac fossa. Larger incisions are necessary when simultaneous external and common iliac exposures are needed. We describe a new technique using a single incision for bilateral approach of the ...
Iezzi R - - 2010
Endovascular repair (EVAR) is playing an increasingly role in the treatment of abdominal aortic aneurysm. A successful procedure depends on the complete sealing of the aneurysm sac from blood flow to achieve general pressure relief and avoid aneurysm rupture, with a shrinkage of the aneurysm sac. The most common complication ...
Lyden Sean P - - 2009
Interventional therapy for tibial arteries is a key part of the vascular specialist armamentarium. Tibial artery interventional therapy has been proven to lead to limb salvage with low morbidity and mortality in patients with critical limb ischemia and should be used as a first line treatment mode in the majority ...
Fanelli Fabrizio - - 2009
The aim of this retrospective analysis was to assess the clinical consequences after intentional left subclavian artery (LSA) occlusion. Thirty-seven patients, 27 type B dissection and 10 thoracic aneurysm, with short proximal neck (less than 2 cm) underwent endovascular treatment with intentional exclusion of LSA origin. No immediate complications occurred. ...
van Prehn J - - 2009
OBJECTIVE: Sizing of aortic endografts is an essential step in successful endovascular treatment of aortic pathology, although consensus regarding the optimal sizing strategy is lacking. Some proximal oversizing is necessary to obtain a seal between the stent graft and the aortic wall and to prevent the graft from migrating, but ...
Lim C S - - 2009
OBJECTIVES: To review the mechanisms, diagnosis and treatment options for symptomatic iliac artery compression in cyclists. METHODS: Pubmed, Medline, Embase and Google were searched using combinations of the terms 'iliac artery disease', 'iliac artery compression', 'iliac artery stenosis', 'cyclists' and 'athletes'. RESULTS: Tethering of the iliac artery by the psoas ...
Takayama Toshio - - 2009
True abdominal aortic aneurysm (AAA) in patients with Marfan syndrome is relatively rare because most aortic aneurysms in this disease are dissecting aneurysms in the thoracic area. Therefore, its clinical characteristics and long-term outcome are still unclear. We examined six patients (3 men, 3 women) with Marfan syndrome who had ...
Maras D - - 2009
The rupture risk of abdominal aortic aneurysms (AAA) depends primarily on their diameter and increases substantially in large aneurysms. Only a few cases of giant AAAs, with a maximum diameter > 13 cm have been reported in the English literature. This case series report describes 3 cases of giant AAAs ...
Lee Eugene S - - 2009
Screening for abdominal aortic aneurysms (AAA) significantly reduces aneurysm-related death. In January 2007, the Federal government enacted Medicare coverage guideline to screen persons at risk for the presence of an AAA, the Screen for Abdominal Aortic Aneurysms Very Efficiently (SAAAVE) Act. The purpose of this study is to evaluate the ...
Quinones-Baldrich William J - - 2009
We present a case of a 90-year-old male with suprarenal, infrarenal, and bilateral iliac aneurysms with significant interval enlargement treated with an endovascular graft. Due to severe infrarenal neck angulation, a type 1a endoleak was encountered, which was successfully treated with an aortic cuff. A novel technique of cuff deployment ...
Sandrelli Luca - - 2009
Endovascular treatment of thoracic aortic aneurysms is limited in patients with small or calcified femoral arteries, with the most serious complication being rupture at the insertion site or distal sections of the artery. To overcome this, an iliac conduit is normally created by surgical exposure. We used an original access ...
Netuka Ivan - - 2009
The surgical technique of simultaneous heart transplantation and aortic aneurysm repair has been reported previously. However, there is a subgroup of patients with end-stage cardiomyopathy requiring major aortic surgery who do not meet heart transplant criteria. The optimal treatment strategy for these patients is still to be defined. In this ...
Duarte Maddalena Pizzirusso - - 2009
The purpose of this review is to highlight the indications, complications, and outcomes observed with endovascular or open repair for abdominal aortic aneurysms. We selected literature published during 2005 to 2008, encompassing a research period from 1987 to 2005 which compared these 2 techniques and followed various outcomes of morbidity ...
Stádler P - - 2009
The feasibility of robotically-assisted laparoscopic aortic surgery has been adequately demonstrated. The authors report on their clinical experience with robot-assisted aortoiliac reconstruction for aorto-iliacocclusive disease, aortic aneurysm and two hybrid procedures performed using the da Vinci system. Between November 2005 and December 2008, we performed 130 robot-assisted laparoscopic aortoiliac procedures. ...
Hannawa Kevin K KK Jobst Vascular Research Laboratories, Department of Surgery, University of Michigan, Ann Arbor, MI 48109-0329, - - 2009
Abdominal aortic aneurysms (AAAs) comprise the tenth leading cause of death in Caucasian males 65 to 74 years of age and accounted for nearly 16,000 deaths overall in 2000. Therefore, understanding the pathophysiology of AAAs is an important undertaking. Clinically, multiple risk factors are associated with the development of AAAs, ...
Zayed Hany A - - 2009
The purpose of this study was to evaluate the early outcome of endovascular repair of abdominal aortic aneurysms (EVAR) with an unfavorable neck anatomy using extralarge stent-grafts. We carried out a retrospective review of all patients who underwent elective EVAR using large diameter stent-grafts between June 2006 and February 2008. ...
Slovut David Paul - - 2009
The last decade has borne witness to a transformation in the care of patients with vascular disease. There has been a rapid transition towards minimally invasive techniques as interventionalists obtain increasingly advanced catheter-based skills and access to newer and more sophisticated devices. Patients who are not candidates for completely percutaneous ...
Riga Celia - - 2009
PURPOSE: To report the initial clinical use of a robotically steerable catheter during endovascular aneurysm repair (EVAR) in order to assess this novel and innovative approach in a clinical setting. TECHNIQUE: Following a series of in-vitro studies and procedure rehearsals using a pulsatile silicon aneurysm model, a 78-year-old man underwent ...
Patel Ashish S - - 2009
Disseminated intravascular coagulation (DIC) has been shown to affect 2% to 4% of patients with abdominal aortic aneurysms. In rare cases of DIC caused by aneurysms, operative repair has been curative. Endovascular aneurysm repair (EVAR) has been established as an effective treatment. We report a 73-year-old man in whom severe ...
D'Elia P - - 2009
The early experience of endovascular aneurysm repair (EVAR) using ''first generation'' devices was disappointing. There was an appreciable incidence of delayed, post-EVAR, aneurysm rupture. This was primarily a consequence of structural device failure. These failures provided important lessons for re-design and the modern ''second generation'' devices, including the Zenith (Cook ...
Schroeder T V - - 2009
This paper summarizes the highlights of the 15th International Workshop of Endovascular Surgery, held in Ajaccio in June 2008. This is an annual event that attracts leading endovascular therapists from both sides of the Atlantic Ocean as well as a contingency from down-under. The layout of this meeting followed the ...
Hinchliffe Robert J - - 2009
Endovascular strategies have been increasingly used to manage patients with ruptured abdominal aortic aneurysm (AAA) in an attempt to improve patient survival. We analyzed the evidence to support such an approach. We performed a systematic literature review of endovascular aneurysm repair (EVAR) of ruptured AAA from 1994 to 2009. The ...
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