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Garg Scot - - 2010
Despite all the benefits of drug-eluting stents (DES), concerns have been raised over their long-term safety, with particular reference to stent thrombosis. In an effort to address these concerns, newer stents have been developed that include: DES with biodegradable polymers, DES that are polymer free, stents with novel coatings, and ...
di Marzo Luca - - 2010
Endovascular techniques are often applied, but they have occasionally been reported in the treatment of popliteal vascular entrapment (PVE). A case of bilateral PVE is presented with an acute occlusion of the right popliteal artery. This was twice unsuccessfully treated with arterial recanalization and stenting at another Institution. The patient ...
Lubicz Boris - - 2010
The purpose of this study is to report our preliminary experience with the flow-diverter Silk stent for the endovascular treatment of intracranial aneurysms. This prospective study was approved by the authors' ethical committees. Twenty-nine patients with 34 fusiform or wide-necked unruptured aneurysms were included and treated by Silk stent placement ...
Higaki Takashi - - 2010
In western countries, the use of a balloon-expandable covered stent is recommended for the treatment of native coarctation of the aorta (CoA) in adult patients because endovascular bare stents cannot completely prevent complications such as aneurysms or aortic rupture. However, such a product that is appropriate and officially approved is ...
Mehta Manish - - 2010
Successful thoracic endovascular aneurysm repair (TEVAR) requires adequate proximal and distal fixation and seal. We report our experience of planned celiac artery coverage during endovascular repair of complex thoracic aortic aneurysms (TAA). Since 2004, 228 patients underwent TEVAR under elective (n=162, 71%) and emergent circumstances (66, 29%). Patients with inadequate ...
Subban Vijayakumar - - 2010
A 68-year-old hypertensive male underwent stenting for critical stenosis of the right renal artery through right femoral approach. The stent missed the ostium and repeated attempts at stenting the ostium did not succeed. Brachial approach was resorted to and ostium could be stented successfully. While deploying the stent the balloon ...
Zamiri P - - 2010
The goal of this study was to evaluate the biocompatibility of materials for use in fully bioabsorbable vascular stents. 10:90 poly(L-lactic-co-glycolic acid) (10:90 L-PLGA), 85:15 poly(L-lactic-co-glycolic acid) (85:15 L-PLGA), polydioxanone (PDO), and poly-L-lactic acid (L-PLA) polymers were chosen as materials. Polymeric fibers were woven into a braided structure with a ...
Wang Mao-Qiang MQ Department of Interventional Radiology, Chinese PLA General Hospital, Beijing, China. - - 2010
To present a series of cases with life-threatening hemorrhage from ruptured hepatic artery pseudoaneurysm after pancreaticoduodenectomy (PD) treated with placement of stent-grafts. Massive hemorrhage from ruptured hepatic artery pseudoaneurysm after PD in 9 patients (6 men, 3 women) at the age of 23-75 years (mean 48 years), were treated with ...
Zhang Yi-sen - - 2010
Stent placement has been widely used to assist coiling in cerebral aneurysm treatments. The present study aimed to investigate the hemodynamic effects of stenting on wide-necked intracranial aneurysms. Three idealized plexiglass aneurismal models with different geometries before and after stenting were created, and their three-dimensional computational models were constructed. Flow ...
Usman Asad A - - 2010
Percutaneous catheter-based treatment of supraaortic trunk arterial occlusive lesions obviates the need for extraanatomic bypass or median sternotomy. Although early results have been encouraging, late outcomes have yet to be defined. Reported are long-term outcomes of supraaortic trunk stent placement with particular attention to structural failures. This was a retrospective ...
Zhou Zhiming - - 2011
Percutaneous transluminal angioplasty and stenting is emerging as an alternative for treating atherosclerotic stenosis in the vertebral artery ostium. However, in-stent restenosis (ISR) still remains a critical issue to be addressed. Little is known about the relationship between anatomic characteristics of the artery and ISR after stent implantation. In this ...
Lee Byoung Kwon - - 2010
Measurement of fractional flow reserve (FFR) has been frequently used to optimize the results of coronary stenting in patients with significant narrowing of coronary arteries. There has been a consensus that an FFR value > 0.90 after stenting is a useful surrogate for favorable long-term clinical outcome. We evaluated the ...
Lobotesis Kyriakos - - 2010
With the development of support devices such as stents, an increasing number of aneurysms are meeting the criteria for endovascular treatment. A range of intracranial stents currently are available with an array of characteristics. It is essential to understand the properties of these stents to determine their role and implications ...
Zhao X - - 2010
Aim of the study was to assess the influence of anticoagulation on the false lumen after a stented elephant trunk procedure with mechanical valve replacement for aortic dissection patients. Between 2003 and 2008, 181 out of 232 aortic dissection patients undergoing stented elephant trunk procedure concomitant with arch and/or proximal ...
Vida Vladimiro L - - 2010
BACKGROUND: Stenting of the patent ductus arteriosus (PDA) has been recently introduced to palliate patients with duct-dependent pulmonary circulations. We evaluated the surgical outcome of patients who had a previous PDA stent, focusing on their pulmonary arteries status. METHODS: This study included 15 patients (11 boys, 4 girls) who underwent ...
Binning Mandy J - - 2010
Intracranial arterial dissection is an important cause of stroke in young patients. Treatment options include observation, antiplatelet or anticoagulation regimens, and endovascular stent placement. The authors describe the case of a 14-year-old boy who presented with a symptomatic, posttraumatic dissection extending from the intracranial internal carotid artery to the middle ...
Akdemir Ramazan - - 2010
A 23-year-old man presented with dyspnoea and a blood pressure of 180/120 mmHg in both arms. Femoral and popliteal pulses were absent and there was a systolic ejection murmur along the left intercostal area.The chest X-ray showed rib notching and a normal cardiac silhouette.Transthoracic echocardiography showed a bicuspid aortic valve ...
Ito Shigenori - - 2010
We report a challenging case in terms of procedural difficulty as well as long-term patency. Multivessel stenting procedures for long subtotal occlusions in the right coronary artery (RCA) and left anterior descending coronary artery (LAD) were successfully performed in an 84-year-old female who had complications of severe left ventricular dysfunction ...
Manning Brian J - - 2010
To describe a novel technique for target vessel catheterization in patients with juxtarenal abdominal aortic aneurysms requiring treatment with fenestrated stent-grafts (FSG). The standard FSG design was modified, substituting a thin-wall tube for the solid central obturator that serves as both an attachment point for the distal end of the ...
Valdesuso Raúl - - 2010
OBJECTIVES: We sought to explore the immediate results of Titan2 stent implantation in small coronary arteries, as well as the incidence of major adverse cardiac events (MACE) at six months follow-up. BACKGROUND: The safety of Titan2 stent has been confirmed in several studies in real-life unselected populations. METHODS: We enrolled ...
Freeman Joseph W - - 2010
Coronary and peripheral artery disease (PAD) continue to be primary causes of morbidity and mortality in western nations; percutaneous transluminal angioplasty (PTA) with stenting has become a popular treatment. Unfortunately, restenosis is a significant problem following intravascular stent placement. This study considers the contribution of stent forces in vascular stenosis ...
Okamura Takayuki - - 2010
Fourier domain optical coherence tomography (FD OCT) enables imaging of long coronary artery segments within few seconds, employing high data acquisitions, speed and fast automated catheter pullback. However, the reproducibility of these high-speed pullbacks in the clinical situation is unknown. We tested the reproducibility of in vivo, intracoronary FD OCT ...
Yan Hong-bing - - 2010
Renal artery stenosis (RAS) with a bifurcation lesion is a challenge for interventional therapy. The aim of this study is to summarize our experience in RAS with a bifurcation lesion. Five patients with RAS involving bifurcation lesion are described. In cases 1 to 3, a single-stent strategy was first adopted. ...
Wani Sunil P - - 2010
Break of a stent delivery catheter and subsequent stent loss (SL) has been a rare event in the drug-eluting stent (DES) era. We here report a case of successful retrieval of a stent after a break if the delivery catheter and SL from a balloon catheter at a culprit lesion. ...
Wolters Heiner H - - 2010
PURPOSE: Ureteral defect lesions are severe complications caused by iatrogenic lesions or trauma. For ureteral defect lesions elaborate surgical intervention is needed, such as autotransplantation or ureteral replacement with small bowel. Thus, we developed a new technique for ureteral defect reconstruction in a pig model using an autologous vein graft ...
Huang Chih-Cheng - - 2010
Baroreflex sensitivity is recognized for its prognostic relevance to cardio-vascular and cerebro-vascular risks. However, little is known about the long-term outcome of baroreflex function in patients with carotid stenosis undergoing carotid stenting. Heart rate variability and cardio-vascular autonomic function, including baroreflex sensitivity, were examined using non-invasive methods in 22 adult ...
Lv Xianli - - 2011
The Leo self-expandable stent is a new retractable stent that is delivered via a conventional catheter. The aim of this study was to evaluate the use of this stent for endovascular treatment of complex aneurysms. Twenty-eight complex cerebral aneurysms (27 saccular and 1 fusiform) in 28 patients were treated electively. ...
Shedden Laurie - - 2010
Implantable medical devices have become the standard method for treating a variety of cardiovascular diseases (NICE, 2003, 2009), such as coronary artery disease, where coronary artery stents are the device of choice (Fischman et al., 1994; Babapulle et al., 2004). One post-operative problem with these devices is the long-term monitoring ...
Uchida Yasumi - - 2010
Web-like (W) and membrane-like (M) structures have been observed on coronary stent edges on angioscopy but their incidence and mechanisms remain obscure. First, 26 patients [acute coronary syndromes (ACS) in 10 and stable angina (SA) in 16] underwent angioscopy of the stented coronary artery immediately after, and 32 patients (ACS ...
Radu Dana M - - 2010
BACKGROUND: Pneumonectomy is well known for a high risk of postoperative death. The alternative, sleeve lobectomy, is sometimes technically inaccessible, and is associated with locoregional recurrence. In certain situations, the use of a bronchial substitute would allow longer bronchial resections with better security margins. Previous experiments demonstrated that aortic grafts ...
Yang J - - 2010
Non-uniform expansion of cardiovascular stents, which exists widely in experiments, has a large influence on stent safety, but has seldom been studied in depth until now. In this paper we use a folded balloon with friction to expand a stent through finite element method (FEM), and study how this influences ...
Parikh Shailja V - - 2010
Challenges arise in the care of patients with drug-eluting stents (DES) undergoing noncardiac surgery. The risk of bleeding during surgery must be balanced with the risk of stent thrombosis from interrupted dual antiplatelet therapy. We report a case of a patient with simultaneous stent thrombosis in two coronary arteries following ...
Yun Jung Ho - - 2010
The purpose of this study was to review the safety and durability of aneurysms treated with stent-assisted coiling of ruptured anterior communicating artery aneurysms with small parent vessels (< 2.0 mm). Retrospective review of all ruptured aneurysm treated with stent assisted endovascular coiling between March 2005 and March 2009 at ...
Schembre Drew - - 2010
Self-expanding metal stents have become a leading palliative therapy for dysphagia resulting from esophageal, proximal gastric, and mediastinal cancers. Increasingly, fully covered self-expanding plastic stents and now fully covered metal stents have been used to treat a variety of benign esophageal conditions as well as cancer. Several stent designs are ...
Chan Chih-Yang - - 2010
A 41-year-old woman with liver cirrhosis had recurrent portal hypertension and bleeding from esophageal varices due to complete occlusion of a previously inserted transjugular intrahepatic portosystemic shunt stent. Because recanalization of the stent by the transjugular approach was unsuccessful, ultrasound-guided entry to the splenic vein and portal vein was used. ...
Metton Olivier - - 2011
Patients with complex congenital heart defects and univentricular heart usually required multiple palliative surgery aiming to separate pulmonary and systemic circulations. Various groups work on trying to perform the Fontan completion by a transcatheter technique. We developed and report here a modified technique to prepare the patient for this type ...
Motovska Zuzana - - 2010
The development and use of stents has made percutaneous coronary intervention an effective (less restenosis), safe (treatment of emergency vessel closure during balloon angioplasty), and applicable (stents were developed for lesions of tortuous anatomy and complex situations) revascularization method. These features have firmly established stenting as first-line therapy in coronary ...
Steichen Olivier - - 2010
Endovascular treatment for atherosclerotic renal artery stenosis (ARAS) was first performed >30 years ago and its use has increased rapidly since then. However, only recently have large randomized trials rigorously evaluated its clinical benefit. We systematically reviewed the controlled studies on primary stenting for atherosclerotic renal artery stenosis. Studies were ...
Parodi Federico E - - 2010
Results of carotid artery stenting (CAS) are directly related to the experience and skills of the operator. The most dreadful complication of CAS is stroke. Analyzing the complications during the authors' own procedures, they came to the conclusion that most, if not all, of the complications are preventable. Attention to ...
Balla Sudarshan - - 2010
The role of percutaneous coronary intervention (PCI) in the treatment of coronary artery disease has grown at an astronomical pace. Drug eluting stents (DES) offer advantages over bare metal stents (BMS) such as reduction in early in-stent restenosis rates. However, they have disadvantages like from increased late stent thrombosis when ...
Mahnken Andreas Horst - - 2010
PURPOSE: To test the feasibility of carbon dioxide (CO(2))-enhanced computed tomography (CT)-guided placement of infrarenal abdominal aortic stent-grafts in an animal model. METHODS: Appearance of a stent-graft mounted on its deployment system and the feasibility of CT fluoroscopy-guided placement were analyzed in an in vitro setting. Five domestic pigs weighing ...
Sengül Cihan - - 2010
Stent endothelization is complete after one month in the absence of radiation therapy. The incidence of late stent thrombosis associated with bare metal stents is low beyond this one month period. In this paper, we report on a case of very late acute stent thrombosis that occurred after 118 months ...
Zattera Giuseppe F - - 2010
A 65-year-old man who had previously undergone multiple stenting on the coronary tree, was referred for urgent surgery. The left anterior descending coronary artery was found to be completely stented from the proximal to the distal portion. Open endarterectomy was required for removal of multiple thrombosed stents and reconstruction of ...
Tsuchida Masayuki - - 2010
Although efforts have been focused on developing endovascular procedures by which intravascular devices such as stents could be effectively deployed, few data exist regarding devices for the nonsurgical retrieval of deployed stents. Therefore, we designed to enable retrieval of deployed stents without a surgical procedure. The device consisted of four ...
Praveen Kumar Gideon V - - 2010
Vascular support structures are important devices for treating valve stenosis. A large population of patients is treated for valvular disease and the preferred mode of treatment is percutaneous valve replacement. Stent devices are proving to be an improved technology in minimally invasive cardiac surgery. This new technology provides highly effective ...
Williams Andrew R - - 2010
Abnormal blood flow patterns promoting inflammation, cellular proliferation, and thrombosis may be established by local changes in vessel geometry after stent implantation in bifurcation lesions. Our objective was to quantify altered hemodynamics due to main vessel (MV) stenting and subsequent virtual side branch (SB) angioplasty in a coronary bifurcation by ...
Salman Loay - - 2010
The role of the stent graft is emerging in the management of arteriovenous dialysis access. Physicians are incorporating this device in the management of three distinct problems--vein-graft anastomotic stenosis, pseudoaneurysm formation, and cephalic arch stenosis--with varying degrees of success. Indeed, a recent randomized, controlled trial to evaluate the role of ...
Kim Tae-Hyung - - 2010
To evaluate the efficacy of beta-irradiation therapy with rhenium 188 ((188)Re) mercaptoacetyltriglycine (MAG3)-filled balloon dilation to prevent neointimal hyperplasia after stent placement in a canine iliac artery model. A total of 15 stents were implanted into the iliac arteries of eight dogs (one or two stents in each dog). Rhenium ...
Laird John R - - 2010
BACKGROUND: Controversy still exists regarding the best endovascular treatment strategy for patients with symptomatic disease of the superficial femoral artery. There are conflicting data regarding the benefits of superficial femoral artery stenting and the role of primary stenting compared with balloon angioplasty with provisional stent implantation. METHODS AND RESULTS: A ...
Aurboonyawat Thaweesak - - 2011
The pipeline embolization device (PED, Chestnut Medical, Menlo Park, CA, USA) has been used in our department since September 2008. The first-generation PED had limited radio-opacity. Before September 2008, we began obtaining an angiographic computed tomography (ACT) before and after each procedure to detect intracranial complications. We retrospectively examined the ...
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