Search Results
Results 301 - 350 of 1371
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Fiorella David - - 2008
OBJECTIVE: The Pipeline embolization device (PED; Chestnut Medical, Menlo Park, CA) is a new endovascular construct designed to exclude aneurysms from the parent cerebrovasculature. We report the results of the first two human implantations of this device in North America. CLINICAL PRESENTATION: Two patients presenting with large, symptomatic, circumferential, fusiform ...
Wakhloo Ajay K - - 2008
OBJECTIVE: To assess the technical feasibility of using a retrievable, closed cell intracranial stent delivered through a microcatheter for safe removal of foreign bodies or clot. METHODS: In vitro and in vivo testing were performed to demonstrate the feasibility of using retrievable intracranial stents for foreign body or clot removal. ...
Rezende Marco Túlio Salles - - 2008
A 4-year-old girl suffered intraventricular and subarachnoid hemorrhage during endoscopic third ventriculostomy. Cerebral angiography revealed a traumatic basilar aneurysm secondary to basilar artery injury. The aneurysm was treated with selective endovascular embolization using Guglielmi detachable coils. We review some therapeutic features of traumatic basilar aneurysms after endoscopic third ventriculostomy and ...
de Paula Lucas César - - 2008
OBJECTIVE: To describe a variant of the stent-assisted coiling technique in the endovascular treatment of aneurysms with a dome-to-neck ratio less than 1.5. CLINICAL PRESENTATION: This technique, named the stentjack technique, consisted of the deployment of a first coil before the delivery of a self-expandable stent across the aneurysm neck ...
Ikeda Osamu - - 2008
To describe our experiences with the treatment of visceral artery aneurysms (VAA) by transcatheter coil embolization and to propose indications for treating VAA by this method. We treated 22 patients with VAA by coil embolization; 9 had splenic-, 7 renal-, 4 pancreaticoduodenal arcade-, and 2 proper hepatic artery aneurysms. All ...
Li M-H - - 2008
BACKGROUND AND PURPOSE: Aneurysm recurrence is an innate problem after coiling, and the recurrence rate is higher in complicated aneurysms. We evaluated the feasibility and efficacy of using the Willis covered stent in treating recurrent aneurysms after coil embolization. MATERIALS AND METHODS: Eight aneurysms in 8 patients treated with detachable ...
Butz T - - 2008
We present the case of a 41-year-old woman who was admitted to our centre with progressive symptoms of congestive heart failure (NYHA class III) 5 years after a radical nephrectomy for renal cell carcinoma. Magnetic resonance imaging demonstrated a 5 x 3 cm homogeneous intracardial mass causing right ventricular outflow ...
Mu Shi-qing - - 2008
BACKGROUND: Aneurysms with wide-necked or a large neck/fundus ratio, especially located on an arterial bifurcation or a small artery, are challenges for interventional neuroradiologist because of the risk of coil migration or coil protrusion into the parent vessels. Our study was designed to improve the efficacy and safety of the ...
Katsaridis V - - 2008
We report on our experience with the intra-arterial administration of eptifibatide for thrombolysis during aneurysm-embolization procedures. In 4 cases (3 stent-assisted coiling procedures and 1 with posthemorrhagic vasospasm), we noted the formation of thrombus occluding a vessel. We administered eptifibatide (10-15 mg) through a microcatheter proximal to the thrombus. The ...
Ortiz Rafael - - 2008
OBJECT: Aneurysms treated by endovascular coil embolization have been associated with coil compaction, and the rate of recanalization has been reported to be as high as 40%. The authors report the first published evidence of a correlation between aneurysm recanalization correlated with a history of cigarette smoking. METHODS: The authors ...
Manninen Hannu I - - 2008
To report preliminary results of stent-assisted coil embolization in the treatment of wide-necked renal artery bifurcation aneurysms. Four patients (three women, one man; mean age, 54 years; range, 49-67 y) with wide-necked renal artery aneurysms were treated with dedicated neurointerventional self-expanding nitinol stent-assisted coil embolization during a 2-year period. The ...
Veznedaroglu Erol - - 2008
OBJECTIVE: Despite proven safety of endovascular coil embolization of intracranial aneurysms, the potential need for retreatment remains criticized. The goal of this prospective study was to assess the safety, durability, and effect on recanalization rates of the Cerecyte (Micrus Corp., Sunnyvale, CA) bioactive coil. METHODS: Two hundred twelve ruptured and ...
Guglielmi G - - 2008
Summary: In order to overcome the possibility of recanalization and compaction with Platinum GDC coils Tantalum coils were placed in three aneurysms in swine. Comparative coiling was done on the other side in each animal with platinum GDC. More stable thrombus was observed on the aneurysms coiled with Tantalum GDC.
Kai Yutaka - - 2008
BACKGROUND: Although one third of patients with intracranial aneurysms treated by GDC embolization manifest recanalization, a strategy for their subsequent treatment remains to be established. We evaluated the efficacy and safety of additional treatments performed after the first coil embolization. METHODS: We treated 168 patients with acute ruptured intracranial aneurysms ...
Korja M - - 2008
Blood blister-like aneurysms (BBAs) are among the most hazardous cerebrovascular aneurysms to treat; microsurgical treatment of these small, wide-necked, and exceptionally fragile aneurysms place patients at significant risk of morbidity or mortality. We report two cases of ruptured BBAs attempted to be treated for the first time with stent-assisted coil ...
Park Jae Hyo - - 2008
Experience with intraarterial abciximab for the treatment of thromboembolism during endovascular coil embolization is limited. The authors report the outcome of intraarterial abciximab use, with an emphasis on fatal hemorrhagic complications. Between March 2003 and May 2006, the authors treated 606 aneurysms by using endovascular coil embolization, and in 32 ...
van Rooij W J - - 2008
BACKGROUND AND PURPOSE: Polyglycolic/polylactic acid (PGLA) addition to bare platinum coils is intended to reduce the reopening rate of coiled intracranial aneurysms. Nexus coils are standard complex platinum coils with interwoven PGLA microfilament threads. We present the clinical results of 101 intracranial aneurysms treated with Nexus coils. MATERIALS AND METHODS: ...
van Rooij W J - - 2008
BACKGROUND AND PURPOSE: Internal carotid artery (ICA) aneurysms may present with cranial nerve dysfunction. Therapeutic ICA occlusion, when tolerated, is an effective treatment resulting in improvement or cure of symptoms in most patients. When ICA occlusion is not tolerated, selective endovascular aneurysm occlusion can be considered. We compare recovery of ...
Kamel M H - - 2008
Three patients were referred to a national neurosurgical centre following CT evidence of subarachnoid haemorrhage. The three patients, who were referred from different institutions within a seven week period, were Fisher grade 3 and WFNS Grade I at all times. Angiography showed a PCOM aneurysm in one case, a ruptured ...
Farahmand P - - 2008
INTRODUCTION: We hypothesized that the coverage of the hypogastric artery with a stent-graft causes an occlusion of the artery in its proximal segment, allowing collateral network formation in distal segments of the artery. In contrast, hypogastric embolisation may cause the formation of microthrombi that tend to disseminate leading to embolic ...
Chen Zhi - - 2008
BACKGROUND: The treatment of very small cerebral aneurysms with maximal diameter less than 3 mm remains a challenge for endovascular and surgical treatment. Endovascular treatment of these lesions may be difficult and associated with high risk of complications because of their small size. Our purpose was to assess the feasibility ...
Horie Nobutaka - - 2008
Endovascular occlusion has been accepted as a safe, minimally invasive, and reliable treatment for ruptured dissecting aneurysms. Occlusion of the entire affected area is ideally the most complete treatment for such lesions. However, it is difficult to occlude the entire dissected lesion when it involves side branches due to the ...
Reiner Eric - - 2008
PURPOSE: To report the results of treatment of adolescent patients with varicocele with use of 3% sodium tetradecyl sulfate foam (STS) in combination with pushable fibered coils. MATERIALS AND METHODS: From September 2004 to September 2006, 16 adolescent patients (age 12-19 y) with symptomatic varicocele, testicular atrophy, or surgical recurrence ...
Sakuhara Yusuke - - 2008
Kidney enlargement in autosomal-dominant polycystic kidney disease (ADPKD) may cause symptoms by compressing the alimentary tract, lungs, and heart. The clinical symptoms may be progressive, may markedly decrease quality of life, and may even be life-threatening. Although treatment of this disease is often difficult, transcatheter arterial embolization (TAE) with metallic ...
Kellett C G - - 2008
The operative findings are presented in two patients following inadequate coil embolization. At craniotomy, part of the coil mass had extruded through the fundus of both aneurysms. It is unclear if this phenomenon is confined to aneurysms that demonstrate significant regrowth and if there is an increased risk of rebleeding.
Inoue Akihiro - - 2008
BACKGROUND: Vertebral artery dissecting aneurysm is now increasingly recognized as a cause of posterior circulation stroke in young adults. Here, we report a case of bilateral VADA with SAH, treated by bilateral coil occlusion using GDCs. CASE DESCRIPTION: A 64-year-old woman was admitted to our hospital with consciousness disturbance (Hunt ...
Raymond J - - 2008
BACKGROUND AND PURPOSE: Endovascular treatment of aneurysms may result in complete or incomplete occlusions or may be followed by recurrences. The goal of the present study was to better define pathologic features associated with so-called healing or recurrences after coiling and to propose an alternative concept to the currently accepted ...
White P M - - 2008
BACKGROUND AND PURPOSE: Coated coils have been in clinical use for several years without robust evidence to determine their safety/efficacy. The HydroCoil Endovascular Aneurysm Occlusion and Packing Study (HELPS) addresses this deficiency for the HydroCoil embolic system. This article reports periprocedural safety/operator-assessed angiographic results from HELPS. MATERIALS AND METHODS: Patients ...
Dai D - - 2008
Modified coils have failed to improve long-term recanalization of aneurysms. This study examined whether ex vivo transduction of replication-deficient adenovirus containing the bone morphogenetic protein-13 gene (Ad-BMP-13) in fibroblast allografts would improve angiographic results via increased collagen synthesis, compared with fibroblast-coated platinum coils (FBC) and bare platinum coils (PA). Aneurysms ...
Plenk H H - - 2008
Occurrence and histomorphology of cartilage and bone neoformations was retrospectively evaluated in rabbit experimental aneurysms after endovascular coil embolization. During product development, 115 carotid bifurcation aneurysms were treated with hydrogel-containing devices (HydroCoil or target, n=77; HydroSoft or target, n=28; prototype Hydrogel-only, n=10; MicroVentionTerumo, Aliso Viejo, CA). Additional 29 aneurysms were ...
Arends Jennifer - - 2008
The purpose of this study was to develop an aneurysm model that mimics the tortuous anatomy of the cerebrovasculature for the evaluation of endovascular devices. This model is an adaptation of the carotid siphon model of Georganos et al. The common carotid artery trunks in 10 swine were surgically elongated ...
Vora Nirav - - 2008
Coil displacement during endovascular embolization of an intracranial aneurysm can result in significant thromboembolic complications. To avoid this problem, microsnares and other techniques have been developed to retrieve a lost foreign body in the cerebral circulation. The Merci Retriever (Concentric Medical, Inc., Mountain View, CA) is an FDA-approved device for ...
Miller G A - - 2008
PURPOSE: To establish an effective approach for diagnosis and treatment of hand ischemia in matured radiocephalic arteriovenous fistulae (AVF). METHODS: One hundred and fifty end-stage renal disease patients (4% of our practice) presented to our outpatient vascular access facility complaining of a range of symptoms including coldness, numbness and pain ...
Chen Lukui - - 2008
BACKGROUND: Our objective was to set up a management-oriented classification for paraclinoid aneurysms, and then design and apply a simplified management scheme according to each group defined by this classification. METHODS: Paraclinoid aneurysms were classified as group I (supraophthalmic artery), group II (ophthalmic artery) and group III (infraophthalmic artery) aneurysms ...
Chandela Sid - - 2008
Endovascular and cerebral bypass therapies are rarely used in children. The authors describe the treatment of a partially coiled giant distal vertebral artery (VA)-posterior inferior cerebellar artery (PICA) aneurysm in a child. They performed a side-to-side PICA-PICA anastomosis followed by endovascular VA aneurysm deconstruction with PICA preservation. A healthy 11-year-old ...
Lim Yong Cheol - - 2008
Both endovascular coil embolization and microsurgical clipping are now firmly established as treatment options for the management of cerebral aneurysms. Moreover, they are sometimes used as complementary approaches each other. This study retrospectively analyzed our experience with endovascular and microsurgical procedures as complementary approaches in treating a single aneurysm. Nineteen ...
Choi Byung Kwan - - 2008
A 35-year-old man's vision had progressively deteriorated over a 3-month period. His left visual acuity was 5/20. Enhanced orbital computed tomographic (CT) scans revealed a fusiform dilatation of the ophthalmic artery in the left optic canal. Cerebral Angiography revealed a fusiform aneurysm on the left ophthalmic artery in the optic ...
Kim Sung-Ho - - 2008
Even though intracerebral hematoma (ICH) due to ruptured cerebral aneurysm has been treated by aneurysm clipping at the same time of removal of ICH through craniotomy, such management strategy is controversial in an aged patients with poor clinical grade. In this regards, stereotactic aspiration of hematoma following coil embolization can ...
Melissano Germano - - 2008
Aneurysmal disease of the hypogastric branches is rare; it may be life-threatening, and the treatment is often challenging. Herein, we report the case of an 81-year-old man with arterial hypertension, obesity, renal insufficiency, and psychiatric disorders who was emergently admitted for a symptomatic ruptured aneurysm of a hypogastric arterial branch, ...
Niimi Y - - 2008
BACKGROUND AND PURPOSE: Cortical visual loss is a rare complication of cerebral angiography without a definitive pathophysiology. Given the rapid increase in endovascular procedures used to treat cerebral aneurysms, we explored the prevalence of this complication and whether we could add to the understanding of this disorder. MATERIALS AND METHODS: ...
Cellerini Martino - - 2008
INTRODUCTION: Treatment of a dissecting aneurysm of the medullary segments of the posterior inferior cerebellar artery (PICA) usually entails trapping of the diseased arterial segment with possible sacrifice of brainstem perforators. The goal of the work was to review our experience with selective coiling of ruptured, dissecting aneurysms of the ...
Bapuraj J R - - 2007
A saccular aneurysm at the basilar artery bifurcation associated with a persistent primitive hypoglossal artery (PPHA) was successfully treated by endovascular occlusion with Guglielmi detachable coils. As both vertebral arteries were aplasitc, a microcatheter was advanced via PPHA. To the best of our knowledge, this is the first case report ...
White Robert I RI - - 2007
Pulmonary arteriovenous malformations (PAVM) are high-flow, low-pressure shunts, consisting of a single feeding artery connecting via an aneurysmal sac to a draining vein. The aneurysmal connection is referred to as an aneurysmal sac. The "filter capacity" of the pulmonary capillaries is lost and results in predisposition to brain abscess, stroke, ...
Hirsch Joshua A - - 2007
PURPOSE: To report an interim analysis of the registry data and evaluate the performance of Trufill DCS Orbit coils in terms of the stability of initial aneurysmal occlusion. MATERIALS AND METHODS: From May 1, 2004, to February 1, 2006, 291 patients with ruptured or unruptured aneurysms were enrolled in a ...
Konstas A A - - 2007
We report a case of a 55-year-old man with a 6.5 mm right posterior cerebral artery (PCA) aneurysm. Upon attempted Guglielmi detachable coil embolisation, the guidewire was lodged in a perforating branch of the right PCA and attempted retractions were unsuccessful. The retained guidewire was left in the patient. The ...
Patroclo Cristiane Borges - - 2007
Basilar artery (BA) dissecting aneurysms pose difficulties to treatment because both bleeding and thrombosis can happen in the same patient, clinical course is unpredictable and high morbidity is usual. We report the case of a 37-year-old woman with a BA aneurysm probably caused by arterial dissection, presenting embolic and hemorrhagic ...
Ecker Robert D - - 2007
The authors report the successful staged stenting and coil embolization of a large vertebral artery-posterior inferior cerebellar artery (VA-PICA) aneurysm using the contralateral VA for access. A 67-year-old woman presented with a large ruptured VA-PICA aneurysm. Initial attempts to stent the wide-necked aneurysm from the ipsilateral side failed, so coil ...
Yamamoto Satoshi - - 2008
The purpose of this study was to evaluate clinical results and technical problems of transcatheter coil embolization for splenic artery aneurysm. Subjects were 16 patients (8 men, 8 women; age range, 40-80 years) who underwent transcatheter embolization for splenic artery aneurysm (14 true aneurysms, 2 false aneurysms) at one of ...
Kim B M - - 2008
BACKGROUND AND PURPOSE: Although coiling has been favorably comparable with clipping for treatment of most intracranial aneurysms, there is a controversy on which modality is safer for anterior choroidal artery (AchoA) aneurysm. We retrospectively evaluated the clinical outcomes and treatment-related complications after surgical clipping and endovascular coiling of AchoA aneurysms. ...
Kim Byung Moon - - 2008
INTRODUCTION: We retrospectively evaluated the ischemic complications related to the anterior choroidal artery (AChA) and clinical outcome after coiling of AChA aneurysms. METHODS: We included 37 patients (27 with subarachnoid hemorrhage, 10 without) harboring 38 AChA aneurysms (23 ruptured, 15 unruptured) who were treated by coiling at four institutions. Ischemic ...
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