Search Results
Results 201 - 250 of 2111
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Li Zhi-Yong - - 2010
Aneurysm expansion rate is an important indicator of the potential risk of abdominal aortic aneurysm (AAA) rupture. Stress within the AAA wall is also thought to be a trigger for its rupture. However, the association between aneurysm wall stresses and expansion of AAA is unclear. Forty-four patients with AAAs were ...
Raman Bhargav - - 2010
The degree of angulation of abdominal aortic aneurysms (AAAs) has emerged as an important factor in assessing eligibility for endovascular aneurysm repair (EVAR). The authors developed an automatic algorithm that reduces variability of measurement of aortoiliac angulation. For highly structured manual methods, intraobserver variability was 8.2 degrees ± 5.0 (31% ...
Canaud Ludovic - - 2011
The aim of this study was to evaluate the short-term and midterm results of endovascular repair of false aneurysm formation after coarctation repair. Between November 1998 and August 2009, seven patients underwent endovascular repair for false aneurysm formation after coarctation repair (two women, five men; mean age: 45.4 ± 12.1 years; ...
Alsac Jean-Marc - - 2011
Endoleak is one of the rare complications that occur after thoracic endovascular aneurysm repair (TEVAR). The aim of this study was to assess the incidence of endoleaks and the predictive factors for their occurrence, as well as their effect on secondary interventions after TEVAR. Medical and radiological data of all ...
Shum Judy J Biomedical Engineering Department, Carnegie Mellon University, 1210 Hamburg Hall, 5000 Forbes Avenue, Pittsburgh, PA 15213, - - 2011
Recent studies have shown that the maximum transverse diameter of an abdominal aortic aneurysm (AAA) and expansion rate are not entirely reliable indicators of rupture potential. We hypothesize that aneurysm morphology and wall thickness are more predictive of rupture risk and can be the deciding factors in the clinical management ...
Oberhuber A - - 2010
Dilatation of the infrarenal aortic segment determines the long-term outcome after endovascular repair of abdominal aortic aneurysms. This segment is crucial for sealing and preventing stent-graft migration. The purpose of this study was to evaluate influence of fixation mechanism on changes of supra- and infrarenal aortic diameters over a 10-year ...
Greiner A - - 2010
Marfan Syndrome is a heritable disorder of connective tissue leading to aortic aneurysms and other cardiovascular complications associated with reduced life expectancy. Marfan patients with thoracic aortic aneurysms (TAAs) or with thoracoabdominal aortic aneurysms (TAAAs) should be treated by means of open surgery, requiring an extensive protocol, including extracorporeal circulation, ...
Avgerinos Efthimios D - - 2010
According to the current international guidelines, patients with infrarenal or juxtarenal abdominal aortic aneurysms (AAAs) measuring > or = 5.5 cm should undergo repair to reduce the risk of rupture. The 5.5-cm-diameter threshold is the size when the AAA rupture rate balances the mortality rates of elective open surgical AAA ...
Harlin Stuart A - - 2010
Endovascular repair of abdominal aortic aneurysms with the Endologix Powerlink System has been shown to be a safe and effective alternative to open surgery in patients having an aortic neck diameter of up to 26 mm. We report the mid-term outcomes of an endovascular repair approach wherein the infrarenal bifurcated ...
Paraskevas Kosmas I - - 2010
According to current international guidelines, patients with infrarenal or juxtarenal abdominal aortic aneurysms (AAAs) measuring > or = 5.5 cm should undergo repair to reduce the risk of rupture. The 5.5-cm-diameter threshold is the size when the AAA rupture rate balances the mortality rates of elective open surgical AAA repair ...
Veith Frank J - - 2010
Mortality rates following repair of ruptured abdominal aortic aneurysms have remained depressingly high over the last number of decades despite advances in anesthesia and perioperative care. Prior to the introduction of endovascular repair, refinements in surgical technique had been few and far between. It was not until fairly recently that ...
Jim Jeffrey - - 2010
Although endovascular aneurysm repair has been shown to be an effective way to treat abdominal aortic aneurysm (AAA), certain anatomic characteristics such as a short aortic neck, limit its applicability. Initially, commercially available devices were approved only for the treatment of AAA with an aortic neck length ≥ 15 mm. ...
Handa Nobuhiro - - 2010
Abdominal aortic dissection (AAD) is a rare pathology and potentially causes rupture or other serious complications. This case report details our experience in endovascular aneurysm repair for AAD in a patient who had a history of coronary bypass surgery. Circumferential dissection of terminal aorta showed stenosis of true lumen as ...
Donas Konstantinos P - - 2010
To present our initial experience with the use of chimney grafts in endovascular aneurysm repair (EVAR) of abdominal aortic aneurysms (AAAs) with challenging anatomy. Among 390 EVAR cases performed at our institution between November 2008 and February 2010, 15 patients (all men; mean age 81.8 years) underwent EVAR with synchronous ...
Tholpady Ashok - - 2010
To review an experience with the Amplatzer vascular plug (AVP) for prevention of type II endoleaks during endovascular aneurysm repair (EVAR) of thoracic and thoracoabdominal aneurysms. Retrospective review was undertaken of 14 patients undergoing transcatheter occlusion of the left subclavian (n = 12) or celiac artery (n = 2) with ...
Pfister K - - 2010
In the past, multislice computed tomography angiography (CTA) with arterial and venous phase was recommended as the gold standard in follow-up after endovascular abdominal aneurysm repair (EVAR). Iodine-containing contrast agents and frequent radiation exposure are limitations for use in elderly patients with chronic renal insufficiency. Colour-coded Doppler sonography (CCDS) and, ...
Tolenaar Jip L - - 2010
Type II endoleaks occur in 5% to 10% of patients who are treated by endovascular aneurysm repair. A persistent type II endoleak combined with documented aneurysm expansion is generally considered an indication for intervention. Thrombin injection directly into the aneurysm sac is described as a safe and efficient treatment option. ...
Totsugawa Toshinori - - 2010
Endovascular repair remains a challenge in the treatment of juxtarenal abdominal aortic aneurysms (AAAs); open surgery is now the treatment of choice. Because the proximal anastomosis involves a fragile aortic wall and renal ischemic time is correlated with postoperative renal dysfunction, simple and secure reinforcing of the suture line is ...
Sachs Teviah - - 2010
The use of stent grafts and mortality of stent graft repair of type B thoracic aortic dissection (T(B)AD) is not well defined. We sought to determine national estimates for the use and mortality of thoracic endovascular aortic repair (TEVAR) for T(B)AD in the United States. Records of the Nationwide Inpatient ...
Moxon Joseph V JV Queensland Vascular - - 2010
Abdominal aortic aneurysm (AAA) remains an important cause of morbidity and mortality in elderly men, and prevalence is predicted to increase in parallel with a global aging population. AAA is commonly asymptomatic, and in the absence of routine screening, diagnosis is usually incidental when imaging to assess unrelated medical complaints. ...
Bellandi G - - 2010
To report treatment of bilateral evolutive iliac artery aneurysms three years after EVAR. Three years following uncomplicated Zenith AAA stent-graft placement, the patient presented with aneurysmal common iliac arteries. Through a combined femoro-brachial approach, both iliac artery aneurysms were excluded, and a Zenith branch graft was placed to preserve the ...
Dawson J A - - 2011
Modulation of abdominal aortic aneurysm (AAA) expansion by HMG-CoA reductase inhibitors (statins) might be linked to reducing IL-6 and MMP-9, which may be consequent on reducing plasma cholesterol. Ezetimibe is a novel cholesterol absorption inhibitor used in combination with statins. This pilot study compared the biological effects of ezetimibe combination ...
Miyake Takashi - - 2011
Currently, there is no effective clinical treatment to prevent abdominal aortic aneurysm (AAA). To develop a novel therapeutic approach, we modified decoy oligodeoxynucleotide (ODN) against nuclear factor κB (NFκB) and ets, to a ribbon-shaped circular structure without chemical modification, to increase its resistance to endonuclease for systemic administration. Intraperitoneal administration ...
Hague J - - 2010
Most palliative care patients will require multidisciplinary management to optimise symptom control. This overview will show that endovascular procedures are an important consideration in many cases. These procedures can be used primarily, or more commonly, as an adjunct to other therapy modalities. Catheter, wire and modern imaging technology allow interventional ...
Saba L - - 2010
Our purpose was to investigate the multi-detector-row CT angiography (MDCTA) application in endoleak detection. Fifty-nine patients that underwent endovascular aneurysm repair (EVAR) of an infrarenal abdominal aortic aneurysm with endoluminal stent graft were retrospectively studied. MDCTA scans were obtained after administration of 110-130 mL of contrast material using a 4-6 ...
Bakken Andrew M - - 2010
In the last decade, endovascular aneurysm repair (EVAR) has become the preferred method for infrarenal abdominal aortic aneurysm repair in patients with suitable anatomy. EVAR offers the advantage of lower perioperative morbidity and mortality but carries the cost of device-related complications such as endoleak, graft migration, graft thrombosis, and structural ...
Knepper Jordan - - 2010
Aortic disease is a significant pathology, as it represents the 12(th) leading cause of overall death. Aneurysms of the descending thoracic aorta pose a small but significant part of this pathology. Traditional open descending thoracic aortic aneurysm (TAA) repair continues to be performed despite relatively high morbidity and mortality rates. ...
Stamou Sotiris C - - 2010
Open surgical repair after failed endovascular aneurysm repair usually involves complete aneurysm removal and replacement with a prosthetic surgical graft. We describe an alternative strategy of open surgical repair of a thoracoabdominal aneurysm repair after failed endovascular aneurysm repair that entails preserving the functioning portion of the endograft and sewing ...
Berterö C - - 2010
The purpose of the present study was to investigate whether screening for abdominal aortic aneurysm (AAA) and the finding of an enlarged aorta cause worries and affect the living situations of men with aneurysms or of their families within a 12-month follow-up period. Men invited to ultrasound screening and having ...
Poon Jensen T C - - 2010
The Asian population is believed to have lower incidence of abdominal aortic aneurysm (AAA), and hence, the benefit of screening is uncertain. The size of native aorta in Asians, which shall affect the definition of AAA, has also never been reported. Our study investigated the prevalence of AAA and the ...
Nedeltchev Krassen - - 2010
Endovascular therapy has emerged as a promising alternative to open surgery for stroke prevention in patients with obstructive disease of the supra-aortic arteries. Although most previous studies have used similar safety and efficacy endpoints, differences in definitions, timing of assessments, and standards of reporting have hampered direct comparisons across various ...
Power Adam H - - 2010
Endovascular treatment of iliac artery aneurysms (IAAs) in patients with discrepancy in iliac artery diameters can be challenging because of limited availability of reversed flared stent graft limbs. The authors describe the technique of reversing a Cook Zenith (Bloomington, IN) iliac stent graft extension to accommodate for significant discrepancy in ...
Tanasoontornrerk Ariya - - 2010
OBJECTIVE: Analyze the incidence and findings of endoleak after thoracic endovascular aortic repair by using CT angiography MATERIAL AND METHOD: Between August 2006 and December 2008, 68 patients diagnosed with thoracic aortic aneurysm underwent thoracic endovascular aortic repair and were included in the present study. The patients were 47 men ...
Ihnat Daniel M - - 2010
Endovascular therapy has increasingly become the initial clinical option for the treatment of lower-extremity peripheral arterial occlusive disease not only for patients with claudication but also for those with critical limb ischemia. Despite this major clinical practice paradigm shift, the outcomes of endovascular therapy for peripheral arterial disease are difficult ...
Rasskazoff S - - 2010
Treatment of BBAs is currently challenging and remains difficult despite improvement of microsurgical technique and advancement in endovascular technologies. Therapeutic options are reconstructive and deconstructive open surgeries or endovascular procedures. However, there is a lack of consensus about optimal treatment. We report a case of 38-year old woman with subarachnoid ...
Pratesi G - - 2010
Popliteal artery aneurysms (PAAs) represent the most common peripheral arterial aneurysm and are a significant cause of patient morbidity and limb loss. Complications of PAA include distal embolisation, thrombosis and, rarely, rupture. Whereas open surgical repair remains the gold standard, endovascular exclusion has been demonstrated to be a valid alternative ...
Mehta Manish - - 2010
Improvements in endovascular technology and techniques have allowed us to treat patients in ways we never thought possible. Today, endovascular treatment of ruptured abdominal aortic aneurysms is associated with markedly decreased morbidity and mortality compared with the open surgical approach, yet there are several fundamental obstacles in our ability to ...
Mehta Manish - - 2010
This study evaluated the outcomes of secondary procedures after endovascular aneurysm repair (EVAR). From 2002 to 2009, 1768 patients underwent EVAR for treatment of 1662 elective (94%) and 106 emergent (6%) infrarenal abdominal aortic aneurysm (AAA) with a variety of Food and Drug Administration-approved and commercially available stent grafts. Postoperative ...
Saadi Eduardo Keller - - 2010
Endovascular procedures are increasing in number for the treatment of thoracic aortic diseases (TAD). Retrograde approach through the femoral artery is the preferred vascular access. Despite the improvements in the devices, femoral artery complications still occurs and some times this access is not possible because of the small size of ...
Medina Francisco - - 2010
BACKGROUND: Flow-mediated dilation of the brachial artery (FMDB) indirectly reflects the action of nitric oxide liberated by the endothelium. In patients with abdominal aortic aneurysms (AAA), the changes in nitric oxide metabolism in close association with inflammation, appear to play a leading role in the aetiopathology of this disease, although ...
Inoue Yoshito - - 2010
PURPOSE: Requirement of contrast medium limits the indication of endovascular intervention to patients with renal insufficiency and allergic reaction. Furthermore, landmarks under fluoroscopic guidance do not necessarily encompass the local anatomy of complex aortic lesions. We evaluated the feasibility of a bimodal monitoring system consisting of echocardiography and endoscopy as ...
Torsello Giovanni - - 2010
To retrospectively evaluate the long-term outcome of the bell-bottom technique for the endovascular repair of common iliac artery (CIA) aneurysms. Between September 2003 and September 2008, 89 patients (84 men; mean age 73.7+/-8.4 years) with aortic and CIA aneurysms were treated at 2 European centers with aortic extension cuffs or ...
Moulakakis K G - - 2010
The field of endovascular abdominal aortic repair has changed remarkably compared to what it was prior to 1993, the year of the first commercial endograft deployment in the United States. Over the years of endovascular aneurysm repair experience, various companies have attempted to construct an ideal stent-graft for exclusion of ...
Ding Xiangjiu - - 2010
We report the endovascular stent graft repair of a penetrating aortic injury with active hemorrhage. A 72-year-old man was admitted after getting stabbed in his back. He had a history of coronary heart disease and cardiac infarction. Computed tomography revealed thoracoabdominal aortic rupture. Endovascular repair was performed successfully. The patient ...
Fujita Satoko - - 2010
To assess the significance of a patent inferior mesenteric artery (IMA) and presence of intrasac thrombus on the outcome of endovascular aneurysm repair (EVAR) for infrarenal abdominal aortic aneurysm (AAA). Between June 2004 and June 2007, 114 AAA patients (100 men; mean age 75 years, range 56-87) treated electively with ...
Chemelli Andreas - - 2010
To retrospectively evaluate a 12-year experience with endovascular repair of isolated iliac artery aneurysm (IAA). From August 1997 through July 2009, 91 patients (81 men; mean age 71 years, range 31-90) underwent endovascular treatment for isolated IAA at our department. Of these, 77 patients received stent-grafts either alone or in ...
Bastos Goncalves F - - 2010
Over the last decade, endovascular aneurysm repair (EVAR) has been used extensively for the elective treatment of infra-renal abdominal aneurysms. However, it remains unclear how specific devices perform and how they compare to others. We provide an overview of currently used endografts, and discuss the current evidence regarding device-specific outcomes. ...
Hashimoto Wataru - - 2010
The purpose of this study was to determine the long-term results of a 7-year follow-up of endovascular aneurysm repairs (EVARs) of abdominal aortic aneurysms (AAAs) using custom-made stent grafts (SGs). We performed a retrospective review of 17 patients (14 males, 3 females; mean age: 74.3 +/- 7.9 years; range: 53-85) ...
d'Utra Guilherme - - 2010
To describe the novel use of an Amplatzer occluder device to seal a secondary endoleak arising at a scallop in a fenestrated stent-graft. A 67-year-old man with comorbidities precluding standard endovascular repair of a pararenal aortic aneurysm was treated with a fenestrated endoprosthesis containing one fenestration for the left renal ...
Freyrie A - - 2010
Abdominal aortic aneurysms (AAA) with severe angulation of the neck or of the iliac arteries are often unsuitable for endovascular repair with conventional endografts. We evaluated the performance of a ring-stent abdominal endograft (AnacondaTM Vascutek, Terumo, Scotland) in a consecutive series of infrarenal AAA. Preoperative, procedural and follow-up data of ...
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