Search Results
Results 551 - 600 of 3473
< 7 8 9 10 11 12 13 14 15 16 17 >
Suh Sang Jun - - 2008
Kissing aneurysms are the rare type of multiple aneurysms. They are adjacent aneurysms of different origin arteries in the same region, which require great care in diagnosis and treatment. We report a case of kissing aneurysms at the anterior communicating artery (AcomA) which were treated by endovascular coil embolization.
Liu Qi - - 2008
Visceral artery aneurysms are uncommon, but they are clinically important because of the high incidence of rupture and life-threatening hemorrhage. Visceral artery aneurysms in patients with vascular anatomic variations are extremely rare, but detecting these variations is significant in this setting to determine the best treatment strategy; therefore, a thorough ...
Takao Hidemasa - - 2008
RATIONALE AND OBJECTIVES: The study goal was to evaluate the cost-effectiveness of surgery and endovascular treatment of unruptured intracranial aneurysms in patients with a history of subarachnoid hemorrhage from a previous aneurysm, incorporating the results of the prospective International Study of Unruptured Intracranial Aneurysms. MATERIALS AND METHODS: Using a Markov ...
Park Seong-Ho - - 2008
The objective of this study is to investigate clinical characteristics, management methods and possible causes of intracranial fusiform aneurysm. Out of a series of 2,458 intracranial aneurysms treated surgically or endovascularly, 22 patients were identified who had discrete fusiform aneurysms. Clinical presentations, locations, treatment methods and possible causes of these ...
van Rooij W J - - 2009
Very large and giant (> or =15 mm) cerebral aneurysms have a poor natural history, with high risk of subarachnoid hemorrhage or progressive symptoms of mass effect. Several endovascular techniques may be applied for treatment, depending on location, size, anatomy and presence of collateral circulation. The authors reviewed their clinical ...
Flanagan Casey M - - 2010
Ephedra, also known as Ma Huang, was commonly used to enhance athletic performance, "fat burning", and weight loss before its removal from the United States in April 2004 due to acute adverse health reactions including lethal arrhythmias, stroke, vasoconstriction, and myocardial infarction. We report the case of a 29-year-old patient ...
Songsaeng Dittapong - - 2009
OBJECTIVE: The objective of this study is to present a series of eight pediatric patients (less than 16 years old) with complete spontaneous thrombosis of spontaneous intradural dissecting aneurysms. MATERIAL AND METHODS: Since 1989, eight consecutive patients in whom the cerebral aneurysms (four in middle cerebral arteries, one in posterior ...
Yang Gaby - - 2009
Kawasaki disease (KD) is an acute vasculitis that can result in cardiovascular sequelae. One of the most serious consequences of KD is the development of arterial aneurysms that can lead to thrombosis and ischemia. Commonly, these lesions, occurring early in the course of KD, are found in the coronary arteries. ...
Yamasaki Akira - - 2009
Churg-Strauss syndrome (CSS) is a systemic small-vessel vasculitis characterized by asthma and eosinophilia. We report a case of CSS complicated by multiple aneurysms in the small intestine. A 57-year-old man was admitted to our hospital with fever and blood eosinophilila. During admission, aneurysms in his small intestine ruptured and partial ...
Punnam Sujeeth R - - 2008
Aneurysm formation is a known complication of native vein or synthetic grafts following peripheral bypass surgery. However, with improvement in the material used for prosthetic grafts, these complications are now uncommon. Open surgery has always been the treatment of choice for aneurysms, but the emergence of percutaneous endovascular intervention has ...
Pulli Raffaele - - 2008
The aim of this study was to analyze our 25-year experience with surgical treatment of visceral artery aneurysms (VAAs), with particular attention paid to early and long-term results. From January 1982 to September 2007, 55 patients (32 males, 58%, and 23 females, 42%) underwent surgical treatment of 59 VAAs. Only ...
Panagiotopoulos V - - 2008
We report the case of a 37-year-old man with a large unruptured broad-based aneurysm of the proximal basilar artery. Using an approach through the aneurysm sac across its inner wall we navigated a third generation, self-expandable, microstent system, Neuroform3, and deployed it along the aneurysm neck. Although this technique carries ...
Lehecka Martin - - 2008
OBJECTIVE: Distal anterior cerebral artery (DACA) aneurysms have special anatomic features such as small size, broad base with originating branches, association with anterior cerebral artery (ACA) anomalies, and multiple aneurysms. Our aim is to evaluate incidences of these findings from pretreatment angiograms to help both microsurgical and endovascular treatment planning. ...
Jeong W K - - 2008
Peripheral vascular manifestations of neurofibromatosis are rare but may result in fatal haemorrhaging when they rupture. Surgeons should be aware of this life-threatening condition. We report a case of 35-year-old woman with neurofibromatosis who presented with a swollen and tender mass around her right arm. Angiography revealed 2 aneurysms in ...
Andaluz Norberto - - 2008
Skull base approaches play a fundamental role in modern neurosurgery by reducing surgical morbidity. Increasing experience has allowed surgeons to perform minimally invasive approaches without straying from the premises of skull base surgery. The eyelid approach has evolved from the orbitopterional osteotomy into a more effective and targeted approach to ...
Sherkat S - - 2008
We report the case of a primitive trigeminal artery aneurysm associated with an ipsilateral middle cerebral artery aneurysm. A 64-year-old Caucasian woman suffered from a severe acute headache. A head CT scan displayed subarachnoid hemorrhage and subsequent cerebral angiography showed right, wide-necked persistent trigeminal artery and ipsilateral middle cerebral artery ...
Dhar Sujan S Department of Mechanical and Aerospace Engineering, State University of New York, University at Buffalo, Buffalo, New York 14214, - - 2008
The aim of this study is to identify image-based morphological parameters that correlate with human intracranial aneurysm (IA) rupture. For 45 patients with terminal or sidewall saccular IAs (25 unruptured, 20 ruptured), three-dimensional geometries were evaluated for a range of morphological parameters. In addition to five previously studied parameters (aspect ...
Kotsis Thomas - - 2009
Venous aneurysms of the femoro-iliac axis are uncommon abnormalities of the vascular system with a potentially life-threatening course; they can be associated with the disastrous events of thromboembolism or rupture. Therefore, a focused imaging evaluation and prophylactic treatment is essential. The appropriate surgical approach is, however, dictated by the morphological ...
Isokangas J-M - - 2008
BACKGROUND AND PURPOSE: Peripheral aneurysms of the posterior inferior cerebellar artery (PICA) are rare, and pre-existing literature concerning their endovascular treatment is limited. The purpose of this study was to assess the etiology and clinical characteristics of peripheral PICA aneurysms and to evaluate the angiographic and clinical results of the ...
Kikuta K-I - - 2008
OBJECT: Although a pre-temporal approach (PA) can provide a wide space for preservation of thalamoperforating atrteries in direct surgery for basilar bifurcation aneurysms (BBAs), it cannot always secure adequate proximal control. The authors described the advantages of plical resection added to PA for BBAs. METHODS: Between October 1998 and April ...
Ortega J J Lawrence Livermore National Laboratory, P.O. Box 808, L-645, Livermore, CA 94550, USA. - - 2008
To investigate whether or not a successful aneurysm treatment procedure can subject a parent artery to harmful hemodynamic stresses, computational fluid dynamics simulations are performed on a patient-specific basilar aneurysm and bifurcation before and after a virtual endovascular treatment. Prior to treatment, the aneurysm at systole is filled with a ...
Peltier Johann - - 2008
INTRODUCTION: Pediatric Moyamoya disease is rarely associated with intracranial aneurysms. We report a case of a 7-year-old girl with an antecedent of persistent craniopharyngeal canal, who presented with a history of choreiform movements. MATERIALS AND METHODS: A Moyamoya disease was found with an unruptured left middle cerebral artery aneurysm on ...
You Je Sung - - 2011
We report a case of lumbosacral plexopathy caused by an isolated aneurysm in the common iliac artery. The patient presented with low back and buttock pain radiating to the right leg and numbness in the L5 and S1 dermatomes. A computed tomography scan showed an aneurysm of the right common ...
Murakami Kensuke - - 2009
BACKGROUND: Parent artery occlusion (PAO) is an alternative surgical strategy for complex internal carotid artery (ICA) aneurysms, which are unclippable because of their anatomical structures, including a broad neck, fragile dome, critical branch, and cavernous sinus location. Despite revascularization, ischemic complications occur after the PAO because of several factors, such ...
Brandão Rafael Augusto Castro Santiago - - 2009
BACKGROUND: The sickle cell disease has different neurologic complications, including cerebral aneurysms. This disease may lead to endothelial damage, which favors the development of cerebral aneurysms. Only a few cases demonstrated by cerebral angiography or surgery have been reported in the English literature referring to cerebral aneurysms in sickle cell ...
Gandhi Chirag D - - 2008
OBJECT: Lenticulostriate artery (LSA) aneurysms are rarely reported in the literature, making management decisions challenging. Conservative, endovascular, and surgical treatments have been described primarily through case reports and reports of individual authors' experiences. The purpose of this study is to report neurological outcomes in a single-institution experience of ruptured lenticulostriate ...
Sato Kodai - - 2008
We show the importance of arterial geometry in intra-aneurysmal hemodynamics. Using a new geometric parameterized saccular aneurysm model including parameters for parent artery shape and the configuration of the aneurysm in the parent artery, we performed a parametric computational fluid dynamics study. We examined lateral saccular aneurysm models with different ...
Ahmad Manzoor M Department of Neurosurgery, Services Institute of Medical Sciences/Services Hospital, Lahore, Pakistan. - - 2008
Subarachnoid haemorrhage is a fairly common condition and a neurosurgical emergency. The commonest cause of subarachnoid haemorrhage is a ruptured intracranial aneurysm. Less common causes include an arteriovenous malformation, and occasionally a tumour, bleeding diathesis or anticoagulant therapy. This was an analytical, retrospective study and conducted at the department of ...
Lin Jules - - 2008
Bronchial artery aneurysms occur rarely, but they are potentially life threatening and require treatment to avoid rupture and other complications. A 37-year-old man, who was otherwise healthy, presented with chest discomfort and was found to have a large right bronchial artery aneurysm. Despite two attempts at embolization, the aneurysm continued ...
Lee Jaejoon - - 2008
Hughes-Stovin syndrome is an exceedingly rare disorder of unknown etiology, and it is characterized by multiple pulmonary artery aneurysms and peripheral venous thrombosis. We report a case of Hughes-Stovin syndrome with complete resolution of pulmonary artery aneurysm after treatment with cyclophosphamide. A 48-year-old man presented with massive hemoptysis, fever, and ...
Zada Gabriel - - 2008
OBJECTIVE: A fetal variant posterior cerebral artery (fetal PCA) is an embryological remnant in which the PCA is primarily supplied via the anterior cerebral circulation. Internal carotid artery (ICA) aneurysms originating from the takeoff of fetal PCA vessels deserve special attention before surgical or endovascular obliteration because of a greater ...
Mostafazadeh Babak - - 2008
Intracranial berry aneurysms are the most common kind of aneurysms in the brain, and are caused by head trauma in 1% of cases. They may remain asymptomatic for a long time or may rupture and cause intracranial hemorrhage. These aneurysms are associated with a high mortality rate. A definitive diagnosis ...
Struffert Tobias - - 2008
OBJECT: The use of liquid embolic agents for endovascular treatment of cerebral aneurysms is evolving. The authors' aim was to evaluate the use of Onyx HD-500 in an experimental aneurysm model and to obtain histological and angiographic long-term results. METHODS: Ten aneurysms were created using an elastase model in rabbits. ...
Sarica Feyzi Birol - - 2008
An intracranial aneurysm with a diameter larger than 25 mm is considered a giant aneurysm (GA), and represent about 3-5% of all aneurysms. They are divided into two forms, specifically saccular and fusiform. Fusiform aneurysms are rare, making up only 1% of all intracranial aneurysms. They frequently involve the internal ...
Ehtuish E F - - 2008
Visceral artery aneurysms are an uncommon form of abdominal vascular disease and represent a rare clinical entity; however, 10-20% will rupture, which is associated with a significant mortality rate of 20-70% depending on the location of the aneurysm. Antiphospholipid antibody syndrome (APS) was originally described in patients with systemic lupus ...
Saito Ryuta - - 2008
Oculomotor nerve paresis caused by internal carotid-posterior communicating artery (IC-PC) aneurysm usually manifests with pupillary dysfunction. Recently, we treated three patients with unruptured IC-PC aneurysms initially manifesting as pupil-sparing oculomotor nerve paresis, which resolved after clipping of the aneurysms. Review of the 56 patients admitted to our hospital with unruptured ...
Xu Bai-nan - - 2008
BACKGROUND: Due to their location, large and giant intracavernous and paraclinoid aneurysms remain a challenge for vascular neurosurgeons. We identified characteristics, surgical indications and treatment strategies of large and giant intracavernous and paraclinoid aneurysms in 36 patients. METHODS: The pterional approach was routinely used. The cervical internal carotid artery was ...
Qi Wei - - 2008
BACKGROUND: Compared with smaller aneurysms, giant intracranial aneurysms (GICAs) have a poorer prognosis and require more meticulous surgical planning and techniques to exclude them from the circulation. GICAs continue to challenge the limits of neurosurgical techniques. A series of 170 patients with GICAs were reviewed for understanding the clinical characteristics, ...
Sunagawa Keishin - - 2008
This report describes Kawasaki disease (KD) in a rare autopsy case showing three uncommon phenomena: rapid aneurysmal development, ruptured giant aneurysm, and abscesses such as neutrophil aggregations, all contributing to the unpreventable sudden death of patients with KD. For a 5-year-old boy, KD was diagnosed on day 5 of his ...
Figueiredo Eberval Gadelha - - 2009
BACKGROUND: Endovascular procedures and direct surgical clipping are the main therapeutic modalities for managing of BAAs. Furthermore, giant or wide-necked aneurysms and those that involve the PCA or perforators at its neck usually are not embolized. CASE DESCRIPTION: A 55-year-old man presented to the emergency room complaining of sudden and ...
Hong Tao - - 2009
BACKGROUND: In patients harboring bilateral supratentorial aneurysms, the operation has traditionally been accomplished via sequential craniotomies, starting with the side of the ruptured aneurysm. Ideally, if the contralateral aneurysms can be exposed adequately and safely, surgical clipping of all aneurysms via a single, unilateral craniotomy would simplify treatment because the ...
Kawashima Masatou - - 2008
A 51-year-old woman presented with a rare variation in the location of the anterior communicating artery (AComA) complex associated with aneurysm manifesting as sudden onset of headache. Computed tomography (CT) revealed widespread subarachnoid hemorrhage with intracerebral hematoma and intraventricular hemorrhage. Three-dimensional (3D)-CT angiography revealed an aneurysm located at the AComA ...
Kobayashi Masahito - - 2008
A 49-year-old woman presented with subarachnoid hemorrhage (SAH) from an aneurysm associated with a persistent primitive hypoglossal artery (PPHA) manifesting as sudden onset of headache, but without neurological deficits. Conventional computed tomography (CT) of her head showed no abnormality but lumbar tap indicated SAH. Three-dimensional (3D)-CT angiography showed a PPHA ...
Andaluz Norberto - - 2008
OBJECT: The most appropriate treatment for cerebral aneurysms, both ruptured and unruptured, is currently under debate, and updated guidelines have yet to be defined. The authors attempted to identify trends in therapy for cerebral aneurysms in the US as well as outcomes. METHODS: The authors retrospectively reviewed data from the ...
Agrawal A - - 2008
AComA aneurysms are most commonly found at the A1-A2 junction on the dominant side. The angle of the arteries at the bifurcation and the direction of blood flow are factors of hemodynamic stress in the apical region where these aneurysms often develop. They exist at the bifurcation of dominant A1, ...
Hanel Ricardo A - - 2008
Complex intracranial aneurysms include not only giant aneurysms (classically larger than 25 mm in diameter) but also smaller aneurysms in difficult locations of the human brain and cranial base. Such lesions are associated with a high risk of subarachnoid hemorrhage and progressive neurological deterioration or death caused by mass effect ...
Longatti Pierluigi - - 2008
The authors report a case of acute subarachnoid hemorrhage due to the rupture of multiple anterior spinal artery aneurysms. In view of the clinical and radiological findings, surgery was excluded and a wait-and-see policy was followed. A magnetic resonance imaging study performed 3 months after presentation and an angiographic study ...
Ross Ian B - - 2008
OBJECTIVE: Because giant aneurysms (GAs) can be technically difficult to clip, the endovascular approach is becoming increasingly popular. Endovascular treatment of distally located GAs, which often requires parent vessel occlusion, is particularly challenging because limited pathways are available for collateral flow. We aimed to determine the outcomes of endovascular attempts ...
Tsutsumi Masanori - - 2008
A 50-year-old man presented with a symptomatic aneurysm arising from the right inferior cavernous sinus artery (ICSA) associated with a cerebral arteriovenous malformation (AVM) manifesting as a 3-month history of progressive right abducens nerve palsy. Cerebral angiography demonstrated a high-flow AVM and a saccular aneurysm arising from the right ICSA ...
Sanai Nader - - 2008
OBJECTIVE: During the past decade, management of posterior circulation aneurysms has shifted away from microsurgery. Currently, microsurgical clipping is considered a primary, competitive alternative to endovascular coiling, or more commonly, a secondary alternative when endovascular therapy is unfavorable. We present a large, multidisciplinary team experience with posterior circulation aneurysms in ...
< 7 8 9 10 11 12 13 14 15 16 17 >