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Results 201 - 250 of 1197
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Tann Stephen M - - 2011
Takayasu arteritis is a chronic inflammatory autoimmune disease of medium and large sized arteries which frequently affects the major supra-aortic vessels. Morbidity and mortality with both medical and surgical treatments for this disease are high. In the past decade, angioplasty and stenting has emerged as a reasonable alternative to treatment ...
Chwajol Markus - - 2011
BACKGROUND: Endovascular embolization is a desirable treatment option for complex posterior circulation aneurysms, particularly recurrent aneurysms or those in difficult to access surgical locations.However, endovascular access is occasionally prohibited by proximal vertebral artery (VA) occlusion or vessel tortuosity.One strategy in such instances involves creation of an extracranial bypass conduit to ...
ten Freyhaus Henrik - - 2012
Despite recent advances, pulmonary arterial hypertension (PAH) remains a devastating disease which harbors a poor prognosis. Novel therapeutic approaches directly targeting pulmonary vascular remodeling are warranted. This review delineates the current limitations in the management of PAH and focuses on a novel, anti-proliferative therapeutic concept. It will help readers understand ...
Pierot Laurent - - 2011
INTRODUCTION: The objective of this study was to analyze the place for the balloon remodeling and stenting in the endovascular treatment of intracranial aneurysms as well as the impact of their use on the failure and complications rates. Analysis was conducted in a recent 3-year period (2008-2010) in a single ...
Waldau Ben - - 2011
BACKGROUND: The coiling of ruptured cerebral aneurysms protects against acute rebleeding; however, whether partially coiling a ruptured cerebral aneurysm protects against acute rebleeding has never been demonstrated. OBJECTIVE: This study was performed to test our hypothesis that intentional partial coiling of complex ruptured cerebral aneurysms, which are unfavorable for clipping ...
Huang Lei - - 2011
BACKGROUND:: The balloon occlusion test (BOT) is a well-accepted technique for the treatment of large or complex aneurysms. However, this procedure may not be feasible for small arteries such as the posterior inferior cerebellar artery (PICA). We report our experience with endovascular treatment of a fusiform PICA aneurysm employing a ...
Antoniou George A - - 2011
The aim of the paper is to evaluate the outcome of endovascular treatments for isolated internal iliac artery aneurysms. A systematic review of the literature using public domain databases was undertaken. All studies reporting on endovascular treatment of isolated hypogastric artery aneurysms were considered. Experience from our institution was involved ...
Kan Peter - - 2011
BACKGROUND: Bow Hunter's Syndrome is a rare cause of vertebrobasilar insufficiency caused by mechanical compression of the vertebral artery (VA) during rotation of the head. Surgical treatment usually involves direct decompression of the VA at the site of compression. We describe what is to our knowledge the first reported case ...
Kalyanpur Tejas M - - 2011
Treatment of Type 1 carotid-cavernous fistula (CCF) is complex and endovascular stent grafting is proving to be an excellent technique not only in successful treatment of fistula but also preserving patency of parent artery. We describe our initial experience in the use of covered coronary stent grafts in the treatment ...
Jeuriëns-van de Ven Sjannieke A H - - 2011
We present the case of a patient with a persisting type II endoleak after endovascular repair of an iliac aneurysm with an iliaco-caval fistula. We describe the pathophysiological mechanism behind this phenomenon and discuss why conservative treatment is unlikely to seal this type of endoleak. A more aggressive treatment strategy ...
Wong George Kwok Chu - - 2011
BACKGROUND: The timing of definitive aneurysm treatment (coiling or clipping) in acute aneurysm subarachnoid hemorrhage was a subject of controversy. Although most vascular neurosurgeons agreed on early aneurysm treatment (within the first 72 hours), whether ultra-early aneurysm treatment (within the first 24 hours) was beneficial remained debatable. We aimed to ...
Morais H - - 2011
Prosthetic valve thrombosis (PVT) is a rare but serious complication of valve replacement, most often encountered with mechanical prostheses. The different therapeutic modalities for PVT (fibrinolysis with heparin treatment or surgery) will largely be influenced by the presence of valvular obstruction, the valve location (left or right sided), the patient's ...
- - 2011
To examine current determinants of poor outcome after aneurysmal subarachnoid hemorrhage (SAH) when ruptured aneurysms are treated with either microsurgery (clipping) or endovascular treatment (coiling) depending on each patient's characteristics. Between March 2006 and February 2007, 534 patients with SAH were enrolled in the Prospective Registry of Subarachnoid Aneurysms Treatment ...
Araújo Paula Vasconcelos - - 2011
BACKGROUND: The term "acute aortic syndrome" (AAS) includes conditions of high mortality, such as ruptured aneurysm, pseudoaneurysm and, aortic dissection. Open surgery for these cases has demonstrated unsatisfactory results, and endovascular treatment has become an excellent alternative. METHODS: We performed a retrospective review of patients with AAS who underwent endovascular ...
Walcott Brian P - - 2011
Fractures of the anterior skull base can lead to pseudoaneurysm formation as a result of direct injury to a vessel wall. Pseudoaneurysms in this location are challenging to treat, as both perforator and distal blood supply must be maintained. Additionally, traumatic skull base fractures can lead to a rare condition ...
Tehrani Shana S Kingston Hospital, Galsworthy Road, Kingston upon Thames, Surrey, KT2 7QB, United Kingdom. - - 2011
Spontaneous coronary artery dissection is an unusual condition that mainly happens in fit and healthy women in the peripartum period. Strenuous exercise is a rare cause of dissection in angiographically normal coronary arteries. There is no definitive consensus on the etiology, prognosis and treatment of SCAD. We report a case ...
Mattle Heinrich P HP Department of Neurology, Inselspital, University of Bern, Bern, Switzerland. - - 2011
The clinical presentation of basilar artery occlusion (BAO) ranges from mild transient symptoms to devastating strokes with high fatality and morbidity. Often, non-specific prodromal symptoms such as vertigo or headaches are indicative of BAO, and are followed by the hallmarks of BAO, including decreased consciousness, quadriparesis, pupillary and oculomotor abnormalities, ...
Bergersen Lisa - - 2011
BACKGROUND: =0.004). After crossover was introduced, 26 of 47 vessels treated with HPB underwent CB therapy and experienced an additional 48% increase in lumen diameter; the final diameter after CB was 99% greater than the initial diameter. There were no serious adverse events related to treatment in a study vessel.Conclusion-CB ...
Shapiro M - - 2011
BACKGROUND AND PURPOSE:Stent-supported aneurysm coiling has been utilized with increasing frequency over the past few years, particularly for addressing treatment of complex and wide-neck aneurysms. A sizable body of literature describing various experiences with stent-supported coiling now exists. The purpose of this research was to carry out a comprehensive literature ...
Ahn Jihun - - 2011
Atherosclerotic renal artery stenosis (RAS) usually involves the ostium and the proximal one-third of the renal artery main branch. Percutaneous renal artery angioplasty with stent placement is a well recognized treatment for atherosclerotic RAS. Occasionally, atherosclerotic RAS involves renal artery bifurcations. However, stent implantation in atherosclerotic RAS involving bifurcation is ...
Shaver Jonathan - - 2011
BACKGROUND: Arteriovenous malformations (AVMs) are serious vascular abnormalities that rarely affect the eye. However, documented cases of eyelid AVMs have been reported to occur spontaneously or after trauma. Treatment for AVMs, which generally include embolization and resection, can also pose a risk to a patient's life and vision. CASE REPORT: ...
Radvany Martin G - - 2011
BackgroundC-arm cone beam CT (CBCT) with selective intra-arterial contrast injection combined with digital subtraction angiography (DSA) is currently used for the evaluation and treatment planning of cerebral arteriovenous malformations (AVMs). In some instances an AVM will derive its blood supply from more than one main cervical artery (carotid and/or vertebral ...
D Chattopadhyay - - 2011
Deep venous thrombosis (DVT) with its associated complications of pulmonary embolism and post-thrombotic syndrome are an important cause of morbidity and mortality. This review article provides an overview of the pathophysiology, risk factors and the guidelines for thromboprophylaxis. It also reviews the available modalities in the diagnosis and treatment of ...
Grunwald Iris Quasar IQ Acute Vascular Imaging Centre, University of Oxford, UK. - - 2012
Primary endovascular reconstruction with flow diversion represents a fundamental paradigm shift in the technique of endovascular aneurysm treatment. Unlike coil embolization, often there remains residual post-procedural filling within the aneurysm with flow diverters, the curative reconstruction presumably occurring over a period of weeks. Thus, conventional grading scales for post-procedural aneurysm ...
Dykhuizen Matthew J - - 2011
PURPOSE OF REVIEW: The pathogenesis and treatment paradigm for idiopathic intracranial hypertension (IIH) is controversial. The goal of this article is to review the current literature addressing a relatively new and controversial therapeutic approach for a subset of IIH patients: dural venous sinus stenting. RECENT FINDINGS: The debate continues as ...
Cascio Antonio - - 2011
Mediterranean spotted fever (MSF) is a tick-borne acute febrile disease caused by Rickettsia conorii and characterized by fever, a maculo-papular rash and a black eschar at the site of the tick bite. We describe the case of a 3-year-old boy with MSF who developed a transient right coronary artery ectasia. ...
Kamel Abdel Aal Ahmed M - - 2011
Abstract Purpose: To present a new endovascular technique for treating acute large thrombus burden in the iliocaval venous system. Technique: This method is demonstrated in a 62-year-old man with end-stage renal disease on hemodialysis who had a nonfunctioning right femoral dialysis catheter that was placed 3 month earlier. After catheter removal, ...
Dosluoglu H - - 2011
Infrainguinal endovascular interventions have increasingly played a central role in relieving symptoms of claudication and limb salvage over the last decade. Multiple modalities currently exist for treating these arteries; however, balloon angioplasty with or without stenting still remains the most commonly used technique. Despite the concerns regarding the use of ...
Kar Subrata - - 2011
Chronic kidney disease (CKD) is ubiquitous in the world and may eventually progress to end-stage renal disease. CKD is associated with a greater risk of coronary artery disease (CAD) which is the leading cause of mortality in this population. Current invasive treatment options include percutaneous coronary intervention or coronary artery ...
Chander Rajiv K - - 2011
The traditional approach for the treatment of restenosis of autogenous vein bypass has been revision of bypass with vein patch angioplasty, interposition jump graft, or thrombectomy procedures for those patients with extensive occlusive disease and limb-threatening ischemia. Endovascular intervention traditionally involves angioplasty of the graft; however, vessels with diffuse disease ...
Abud T G TG Service de Neuroradiologie Diagnostique et Interventionnelle, Hopital Lariboisière, Paris, - - 2011
Recently some series have been published about the use of Onyx for the treatment of DAFVs with satisfactory results. Our aim was to describe the treatment of different types of intracranial DAVFs with transcatheter injection of Onyx through an arterial approach. At the Department of Interventional Neuroradiology, Hospital Lariboisière Paris, ...
Cortese Bernardo - - 2011
After the "mechanical era" in interventional cardiology (represented by balloon angioplasty and bare metal stent implantation), arrived the "local dispensing" era, began with the intracoronary delivery of antithrombotic or antirestenotic drugs. However, even drug eluting stents have some pitfalls and cannot be used in all clinical subsets. In this article ...
Dehdashti Amir R - - 2011
BACKGROUND: Standard endovascular therapy has shown little success in treatment of very large and giant ophthalmic segment aneurysms. We hypothesize that surgical treatment of these aneurysms yields better results in terms of visual function and aneurysm obliteration. METHODS: The Toronto Brain Vascular Malformation Study Group database was analyzed to retrieve ...
Stein Paul D - - 2011
We assessed the potential safety of withholding treatment of pulmonary embolism (PE) limited to subsegmental branches. Literature review showed that untreated patients with mostly subsegmental PE had no fatal recurrences in 1 to 3 months and no nonfatal recurrences of PE in 3 months. Patients with suspected PE who had ...
Rojas Jiménez A - - 2011
A perimesencephalic subarachnoid hemorrhage refers to the presence of bleeding around the midbrain with a normal angiography, meeting the well established clinical criteria and radiological criteria. Unlike the aneurysmal subarachnoid hemorrhage, it has a good prognosis, the recovery in most cases being complete and satisfactory. On the other hand, between ...
Hunt James M - - 2011
Pulmonary embolism (PE) is a common disease causing significant morbidity, mortality, and substantial socioeconomic costs. The correct diagnosis and management of PE, however, offers many challenges. As a result, ongoing research continues to develop and refine new and existing diagnostic and prognostic tools, as well as therapeutic interventions, leading to ...
Zhang Zhen-Ning - - 2011
BackgroundAlthough sildenafil has been shown to be safe and effective in idiopathic pulmonary arterial hypertension (PAH) and PAH related to connective tissue disease, its effects in Eisenmenger syndrome are less clear.ObjectiveTo investigate whether long-term treatment (12 months) with the phosphodiesterase type 5 inhibitor sildenafil improves clinical and haemodynamic parameters in ...
Halkos Michael E - - 2011
BACKGROUND: Hybrid coronary revascularization (HCR) combines a minimally invasive (3-cm anterolateral thoracotomy), sternal-sparing, off-pump left internal mammary artery-left anterior descending (LIMA-LAD) coronary artery anastomosis with percutaneous coronary intervention (PCI) to non-LAD coronary arteries. We compared outcomes of HCR versus traditional off-pump coronary artery bypass grafting (OPCAB) for the treatment of ...
Yıldız Adalet Elçin AE Department of Radiology, Hacettepe University School of Medicine, Ankara, Turkey. - - 2012
The purpose of this study was to present our initial experience with the Amplatzer® Vascular Plug (AVP) 4 in various arterial environments. This material was designed for the embolization of peripheral small vessels using a diagnostic catheter. Herein, the following three procedures using the AVP 4 were described: hemodialysis fistula ...
Mwipatayi Bibombe P - - 2011
This trial was conducted to determine if covered stents offer a patency advantage over bare-metal stents in the treatment of aortoiliac arterial occlusive disease. The Covered Versus Balloon Expandable Stent Trial (COBEST), a prospective, multicenter, randomized controlled trial, was performed involving 168 iliac arteries in 125 patients with severe aortoiliac ...
Palena Luis Mariano - - 2011
In-stent reocclusion is a frequent complication of endovascular treatment and stenting, especially in the superficial femoral artery. Neointimal hyperplasia is the main cause of this problem, but in many cases, it occurs as a result of the presence of stent strut fractures. The two treatment options are endovascular and surgical ...
Rachitskaya Aleksandra V - - 2011
Purpose. Interferon (IFN) is a mainstay medication used for treatment of chronic hepatitis C, as well as for treatment of certain neoplastic and autoimmune conditions. We present a case of a 50-year-old man who, while on IFN treatment, developed central retinal vein and artery occlusions complicated by the development of ...
Bischoff M S - - 2011
In addition to classic aortic dissection and intramural hematoma, acute aortic syndrome also includes penetrating aortic ulcers (PAU). The recent advent of highly detailed axial imaging allows closer assessment of PAU and its pathophysiology. However, there is still ongoing discussion about the natural history of the disease, leading to challenging ...
Salemi Vera Maria Cury - - 2011
Prevention of late cardiovascular complications after radiation therapy (RT) for treatment of a malignant tumor is challenging. We report the case of a young male patient with Hodgkin's lymphoma treated with RT, who developed ischemic heart disease during follow-up, although he had no cardiovascular risk factors. We conclude that patients ...
Kovacić Slavica - - 2011
Carotid artery stenting (CAS) is a widely used method in prevention of stroke for carotid artery stenosis as an alternative to surgical treatment. Initial studies reveal higher morbidity and mortality rates for CAS than acceptable standards for carotid endarterectomy (CEA). The aim of this study was to compare results in ...
Vermeulen T - - 2011
Due to its location in the chest wall, surgical treatment of lesions at the origin of the brachiocephalic trunk or common carotid artery (CCA) is unattractive. Complete endovascular treatment of lesions at the origin of the common carotid artery or brachiochephalic trunk combined with high-grade lesions at the carotid bifurcation ...
Washington C W - - 2011
For more than two decades, surgical clipping of ruptured intracranial aneurysms was considered the stan-dard of care. However, as technology improved, a new treatment option was developed, endovascular emoblization. The treatment of cerebral aneurysms, is now in an era where deciding when to clip versus coil can be difficult. Today's ...
Binning Mandy J - - 2011
The treatment of intracranial aneurysms has evolved over the past several decades and has profited by the ingenuity and expertise of generations of innovative neurosurgeons. A 79-year-old man presented with symptoms related to recurrence of his previously ruptured basilar bifurcation aneurysm 35 years after undergoing the first awake hunterian ligation ...
Alonso Menéndez Susana - - 2011
To review presentation, diagnosis and treatment of renal artery aneurysms, a very uncommon disease. METHODS: We report the case of a male with a calcified renal artery aneurysm in a solitary kidney. RESULTS: Symptomatic effects may be hypertension, hematuria or flank pain. Arteriosclerosis and medial dysplasia are the most frequent ...
Caranasos Thomas - - 2011
A 19-year-old female driver involved in a head on collision suffered a transection of her thoracic aorta secondary to blunt trauma. She was transported to the trauma center where a chest x-ray showed a widened mediastinum. IV contrast enhanced CT of the chest showed extravasation of contrast medium into the ...
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