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Results 301 - 350 of 2111
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Martens T - - 2010
BACKGROUND: Mobile thoracic or abdominal aortic thrombi are a potential source of embolism to visceral organs or lower limbs. Detection levels of this type of aortic pathology after any embolic event have increased considerably. Nevertheless, therapeutic management of an intraluminal mobile thrombus of the aorta remains controversial. The aim of ...
Zander Tobias - - 2011
Ruptured abdominal aortic aneurysm is related with a 100% mortality rate if left untreated. Even with surgical intervention or endovascular repair, mortality is still extremely high. However, there are conditions in which neither open surgical aneurysm repair nor endovascular aneurysm repair can be considered a viable therapeutic option because of ...
Jim Jeffrey - - 2010
Since its introduction 2 decades ago, endovascular repair of abdominal aortic aneurysms has continued to evolve, and many now consider it the optimal treatment modality for infrarenal abdominal aortic aneurysms. There are currently 5 commercially approved endografts, each with its unique design, and all can be utilized with excellent technical ...
Mastracci Tara M - - 2010
Long-term survival benefit contrasted with rupture risk should determine which patients are suitable for abdominal aortic aneurysm (AAA) intervention. Our aim was to develop a model capable of predicting long-term survival based on preoperative characteristics. A prospective cohort study using Cox regression modeling. We aimed to associate preoperative characteristics with ...
Delalieux S - - 2010
OBJECTIVES: Emergency endovascular aneurysm repair (eEVAR) for ruptured abdominal aortic aneurysms (rAAA) is still under investigation. Since installation of an urgent eEVAR kit in our hospital, all patients with a rAAA or urgent thoracic aortic aneurysm are candidates for eEVAR or eTEVAR (emergency thoracic EVAR), respectively. For this study, we ...
Lyons Oliver T A - - 2010
We present the early results of a policy of treating all anatomically suitable ruptured abdominal aortic aneurysms (rAAAs) by emergency endovascular aneurysm repair (eEVAR), regardless of hemodynamic instability. Data were retrospectively collected from prospectively maintained databases identifying patients with rAAA from 2006 to 2007. Forty-seven patients with true rAAA were ...
Ueda Takuya - - 2010
PURPOSE: To determine the clinical importance of the bird-beak configuration after thoracic endovascular aortic repair (TEVAR). MATERIALS AND METHODS: The institutional review board approved this retrospective study and waived the requirement to obtain informed consent from patients. Sixty-four patients (40 men, 24 women; mean age, 64 years) who underwent TEVAR ...
Elefteriades John A - - 2010
There are many reasons, both conceptual and evidence based, to be concerned about the effectiveness, durability, and overall validity of endograft therapy for degenerative aneurysms. This article discusses available data regarding the use of stent therapy for degenerative aneurysms.
Kopp Reinhard - - 2010
Endovascular aortic repair (EVAR) has become an additional treatment option for patients with infrarenal aortic aneurysms and suitable aortic morphology. However, endoleaks are commonly encountered and represent a relevant risk for secondary treatment failure. In addition, impaired renal function or allergic reactions to intravascular iodine application might represent exclusion criteria ...
Hoshina Katsuyuki - - 2010
Among 148 abdominal aortic aneurysm patients who underwent endovascular aneurysm repair at our institution, two cases of graft limb occlusion (GLO) were identified and successfully treated with endovascular repair. Guidewire cannulation against the occluded limb is the most important aspect of the procedure. After a thrombectomy, balloon dilatation is performed ...
Etezadi Vahid - - 2010
PURPOSE: To evaluate the use of covered stent-grafts in the endovascular treatment (ET) of popliteal artery aneurysms (PAAs). MATERIALS AND METHODS: A retrospective analysis was conducted over a period of 52 months in 18 consecutive patients (17 men; mean age +/- SD, 70 years +/- 11) undergoing ET of PAAs ...
Albertini Jean-Noël - - 2010
BACKGROUND: To compare the outcome of endovascular aneurysm repair (EVAR) of abdominal aortic aneurysm (AAA) in patients with and without associated common iliac artery aneurysm (CIAA) extending to the iliac bifurcation. METHODS: Review of 157 patients who underwent endovascular aneurysm repair between 1999 and 2007. Group 1 included 133 patients ...
Dupont Annabelle - - 2010
The aims of this study were to clarify the prevalence and the risk factors for unsuspected abdominal aortic aneurysm (AAA) in patients who underwent coronary artery bypass grafting for severe coronary artery disease and to identify the most at risk patients for AAA. Among 217 patients (189 men, mean age ...
Shu C - - 2010
Pseudo-aneurysms involving the coeliac artery caused by tuberculosis infection are extremely rare and are highly susceptible to rupture.(1) It's difficult to make the correctly diagnosis preoperative and select reconstructive procedures. We report a case of tuberculous pseudo-aneurysm in the abdominal aorta involving the coeliac artery. The active phase of the ...
Kulik Alexander - - 2010
The use of an aortic patch containing the visceral and renal arteries is a well-established technique during thoracoabdominal aortic aneurysm (TAAA) repair. However, the retained aortic tissue may later become aneurysmal. We reviewed our TAAA repair experience using a presewn aortic branched graft to eliminate this risk. Between March 2003 ...
Tierney Aine P - - 2010
A method for reliable, noninvasive estimation of abdominal aortic aneurysms (AAA) wall mechanics may be a useful clinical tool for rupture prediction. An in vitro AAA model was developed from an excised porcine aorta with elastase treatment. The AAA model behaviour was analysed using acoustic radiation force impulse (ARFI) imaging ...
Volokh K Y - - 2010
Medical doctors consider a surgery option for the expanding abdominal aortic aneurysm (AAA) when its maximum diameter reaches 5.5cm. This simple geometrical criterion may possibly underestimate the risks of rupture of small aneurysms as well as overestimate the risks of rupture of large aneurysms. Biomechanical criteria of the AAA failure ...
Long Anne - - 2010
BACKGROUND: Little is known about the prevalence of abdominal aortic aneurysm (AAA) in patients with coronary heart disease. The aims of this prospective study were to evaluate the prevalence of AAA and of large abdominal aorta in patients hospitalized for acute coronary syndrome and coronary stenosis of 50% or greater. ...
Johnsen Stein Harald - - 2010
OBJECTIVE: The pathogenesis of abdominal aortic aneurysm (AAA) formation is poorly understood. We investigated the relationship between carotid, femoral, and coronary atherosclerosis and abdominal aortic diameter, and whether atherosclerosis was a risk marker for AAA. METHODS AND RESULTS: Ultrasound of the right carotid artery, the common femoral artery, and the ...
Lachat Mario - - 2010
PURPOSE: To present a technique for renal and visceral revascularization allowing complete endovascular treatment of a ruptured type IV thoracoabdominal aneurysm using devices already stocked in most centers performing endovascular aneurysm repair. TECHNIQUE: Open arterial access is obtained to both common femoral arteries and the left subclavian artery (LSA). Access ...
Yamamoto Masaya - - 2010
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 ...
Ng Tina T - - 2010
Highly variable utilization rates for a diverse group of surgical procedures are commonly ascribed to physician practice patterns rather than clinical considerations. A previous investigation by our group showed that variations in the rates of carotid endarterectomy (CEA) actually reflected regional risk factors for atherosclerosis, not physician density or other ...
Verhoeven E L G - - 2010
Open thoraco-abdominal aortic aneurysm repair is a demanding procedure with high impact on the patient and the operating team. Results from expert centres show mortality rates between 3-21%, with extensive morbidity including renal failure and paraplegia. Endovascular repair of abdominal aortic aneurysms initially required an undilated portion of the aorta ...
Banerjee Subhash - - 2010
Currently available techniques for the endovascular treatment of infrainguinal arterial chronic total occlusions (CTOs) require long procedure duration, large contrast volumes, complex subintimal dissection technique, and have low-intermediate success rates. Inability to remain intraluminal and/or reenter the true lumen after subintimal dissection remains the main reasons for procedural failure. We ...
Karthikesalingam Alan - - 2010
PURPOSE: To quantify the proportion of patients with morphology suitable for the use of a commercially available iliac branch graft device (IBD), which offers an endovascular alternative to avoid the morbidity of internal iliac artery (IIA) embolization during endovascular aneurysm repair (EVAR) of aortoiliac aneurysms. METHODS: A retrospective single-center study ...
Pearl Monica - - 2010
Aneurysmal subarachnoid hemorrhage is a deadly disease associated with high morbidity and mortality. Surgical clipping has been the gold standard treatment for more than 70 years. Endovascular therapy is now accepted as a valid alternative therapeutic modality. The authors' approach emphasizes collaboration between endovascular and surgical specialists. The array of ...
Carpenter Jeffrey P - - 2010
PURPOSE: To report the contemporary controlled trial experience with the fully supported unibody Powerlink stent-graft for endovascular treatment of abdominal aortic aneurysm (AAA). METHODS: Between 2000 and 2008, 3 prospective multicenter trials of the Powerlink system evaluated 157 AAA patients (141 men; mean age 72.0+/-9.1 years) with mean AAA sac ...
van Keulen Jasper W - - 2010
This study presented and validated a new standardized method for the measurement of the aortic angulation in patients with abdominal aortic aneurysms (AAA) and quantified the observer variability. A standardized method to quantify aortic angulation was introduced. To measure aortic angulation, a center lumen line (CLL) of the aorta was ...
Bertoni Hernán G - - 2010
PURPOSE: To report the use of a branched, balloon-deployable stent-graft to treat abdominal aortic aneurysm (AAA) in the setting of a solitary kidney. CASE REPORT: A 72-year-old man with a solitary intrapelvic kidney and multiple comorbid conditions was diagnosed with an asymptomatic 5.3-cm abdominal aortic aneurysm (AAA); the renal artery ...
Patel Himanshu J - - 2010
The presence of penetrating aortic ulcers (PAUs) of the descending thoracic aorta has been associated with a poor long-term prognosis. Although early results have suggested acceptable outcomes for thoracic endovascular aortic repair (TEVAR) for PAU, few studies have described the late outcomes of this approach. From 1993 to 2009, 37 ...
Kuratani Toru - - 2010
The treatment of thoraco-abdominal aortic aneurysms (TAAAs) is extremely laborious, due to the surgical complexity of this condition. In particular, postoperative spinal paraplegia poses a severe complication that significantly lowers patient's quality of life. In 1997, we devised a hybrid procedure consisting of extended endovascular aortic repair (EVAR) and visceral ...
Bosman Willem-Maarten P F - - 2010
One of the major concerns in the long-term success of endovascular aneurysm repair (EVAR) is stent graft migration, which can cause type I endoleak and even aneurysm rupture. Fixation depends on the mechanical forces between the graft and both the aortic neck and the blood flow. Therefore, there are anatomical ...
Rancic Zoran - - 2010
Endovascular aneurysm repair (EVAR) of ruptured thoracoabdominal aortic aneurysms may be compromised or even impossible due to short proximal and/or distal necks or landing zones, respectively. Supra-aortic branches may limit the proximal anchorage and visceral or renal arteries the distal anchorage of endografts. While solutions have been proposed to overcome ...
Ascher E - - 2010
OBJECTIVE: Our previously reported experience with balloon angioplasties and stenting for occlusive infra-inguinal arterial disease using duplex guidance encouraged us to expand the indication for this imaging modality to include endovascular repair of popliteal artery aneurysms (PAAs). The present study evaluated the feasibility of performing this procedure under duplex guidance ...
Heyer Kamaldeep - - 2010
Hybrid approaches for the treatment of thoracoabdominal aortic aneurysms (TAAAs) by using a combination of visceral revascularization followed by thoracic endovascular aneurysm repair (EVAR) have been reported with acceptable results. The authors present a case that required the addition of a bifurcated infrarenal EVAR to completely exclude a type III ...
Ouriel Kenneth - - 2010
Although repair of large abdominal aortic aneurysms (AAAs) is well accepted, randomized clinical trials have failed to demonstrate benefit for early surgical repair of small aneurysms compared with surveillance. Endovascular repair has been shown to be safer than open surgical repair in patients with large aneurysms, prompting a randomized trial ...
Manning B J - - 2010
OBJECTIVE: A prototype ready-to-fenestrate stent graft (RFSG) was designed with a fixed scallop, and eight potential fenestrations allowing for variation in the position of each renal artery (RA) relative to the superior mesenteric artery (SMA). We aimed to determine the proportion of juxtarenal aneurysms treatable using this potentially 'off-the-shelf' device. ...
Holt Peter J - - 2010
This study was conducted to define the outcomes of treating aortic aneurysms involving the arch vessels with a hybrid approach using extra-anatomic reconstruction and endovascular repair with nonfenestrated stents. A single-center review was done of arch aneurysm endovascular repairs during an 8-year period. Data were collected for patient demographics and ...
Clough Rachel E - - 2010
Mycotic aortic aneurysms are rare and it is unlikely that any center will obtain extensive experience in their management. The aim of treatment is to repair the aorta and eradicate the infection with minimal operative and postoperative risk. We describe a case in which a custom-made endovascular stent graft provided ...
Verhoeven E L G - - 2010
OBJECTIVES: To present an 8-year clinical experience in the endovascular treatment of short-necked and juxtarenal abdominal aortic aneurysm (AAA) with fenestrated stent grafts. METHODS: At our tertiary referral centre, all patients treated with fenestrated and branched stent grafts have been enrolled in an investigational device protocol database. Patients with short-necked ...
Larzon Thomas - - 2010
Occasionally, standard stent grafts are not usable in emergency aortic bleeding, and custom-made stent grafts are not practical as a replacement. We describe a novel technique for the repair of such aneurysms by using the catheter-delivered liquid to solid embolic agent Onyx (Micro Therapeutics Inc., Irvine, CA). Two patients with ...
Silingardi Roberto - - 2010
Our goal was to achieve complete proximal sealing in severe aortic neck angulation (SNA) during endovascular aneurysm repair (EVAR) of a patient with an abdominal aortic aneurysm (AAA) unfit for surgery. An 82-year-old patient with an infrarenal AAA of 9.8 cm with an SNA of 90 degrees was admitted for ...
Coscas Raphael - - 2010
In contrast to internal iliac artery (IIA) occlusion, the use of branch stent-graft (BSG) has been developed as an efficient adjunct in preserving pelvic blood flow. However, the risk of post-procedural type 2 endoleak (EL) remains. We present the case of an 80-year-old man with a juxtarenal aneurysm extending to ...
Ferreira Marcelo - - 2010
This study presents technical aspects and initial results with iliac bifurcated devices (IBDs). Since 2006, 47 IBDs were scheduled for 37 patients who were followed up between 2 and 31 months. Iliac aneurysms were unilateral in 27 patients and bilateral in 10. Two patients with bilateral common iliac artery aneurysms ...
Goldstein Lee J - - 2010
Spinal cord ischemia is a rare complication after abdominal aortic surgery and has been attributed to surgical devascularization of the spinal cord, atheroembolization of the cord circulation, or hypoperfusion of cord structures secondary to hypotension or cord edema. We present a diabetic, hypertensive 75-year-old male with endstage renal disease who ...
Desai Mital - - 2010
Endovascular aneurysm repair (EVAR) has quickly gained popularity for infrarenal abdominal aortic aneurysm repair during the last two decades. The improvement of available EVAR devices is critical for the advancement of patient care in vascular surgery. Problems are still associated with the grafts, many of which can necessitate the conversion ...
O'Neill Stephen - - 2012
This case aims to highlight the need for careful scrutiny of the distal aorta during endovascular aneurysm repair (EVAR) planning to avoid potentially avoidable graft limb occlusion. We present a case of graft limb occlusion after EVAR, unresponsive to endovascular re-intervention requiring surgical extra-anatomic revascularization, due to a narrow distal ...
Lamoca Luis Miguel Izquierdo - - 2010
INTRODUCTION: We here present a case of a ruptured giant popliteal artery aneurysm (PAA) successfully treated with endovascular surgery. CASE REPORT: A 88-year-old male presented with left limb massive swelling and pain. His general status was critical with acute respiratory insufficiency. CT scan showed massive haematoma in the thigh and ...
Tsilimparis Nikolaos - - 2010
BACKGROUND: We sought to present endovascular management options of persistent or recurrent aneurysm sac flow ("endoleak") after operative retroperitoneal exclusion of infrarenal abdominal aortic aneurysm (AAA). METHODS: Recurrent or persistent aneurysm perfusion was diagnosed in three patients primarily treated with aneurysm exclusion and bypass. The medical history, course of disease, ...
Paravastu S - - 2010
BACKGROUND: We report the use of the common carotid artery as an alternate access in endovascular therapy. METHODS/RESULTS: A 77-year-old man with an enlarging abdominal aortic aneurysm in whom previous attempts at standard endovascular repair had failed because of difficult iliac access underwent endovascular repair via the left common carotid ...
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