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Guglielmi Guido - - 2009
OBJECT: A series of 306 consecutive patients with an anterior communicating artery (ACoA) aneurysm is presented. The goal in this study was to report the results of endovascular treatment of ACoA aneurysms in these patients. METHODS: The aneurysms were managed with an endovascular approach in which detachable coils were used. ...
Lall Rohan R - - 2009
Aneurysmal subarachnoid hemorrhage continues to have high rates of morbidity and mortality for patients despite optimal medical and surgical management. Due to the fact that aneurysmal rupture can be such a catastrophic event, preventive treatment is desirable for high-risk lesions. Given the variability of the literature evaluating unruptured aneurysms regarding ...
Bambakidis Nicholas C - - 2009
Aneurysms of the anterior inferior cerebellar artery (AICA) are relatively rare among intracranial aneurysms. They can occur in 1 of 3 regions of the AICA: 1) craniocaudal (high or low riding), 2) mediolateral-premeatal (proximal), and 3) meatal-postmeatal (distal). The management strategies for treatment differ according to the location and configuration ...
Ducruet Andrew F - - 2009
Developmental venous anomalies (DVAs) represent a rare cause of intraparenchymal hemorrhage. This case demonstrates an unusual DVA associated with venous hypertension, arteriovenous shunting, and a ruptured transitional aneurysm. The authors describe the first use of embolization as a treatment method for an unstable ruptured transitional aneurysm associated with a DVA. ...
Yamaguchi Shigeru - - 2009
A 73-year-old woman presented with diffuse subarachnoid hemorrhage from a ruptured fusiform aneurysm directly arising from the right distal anterior inferior cerebellar artery. Six years before admission, she had undergone stereotactic irradiation for right vestibular schwannoma, under a diagnosis based on neuroimaging. The aneurysm was located within the radiation field. ...
Gelfenbeyn Mikhail - - 2009
OBJECTIVE: Distal anterior cerebral artery (DACA) aneurysms are rare, representing only 2% to 6.7% of all intracranial aneurysms. Most of them are small. Large and giant aneurysms are even rarer in this location. Only 26 giant pericallosal (PC) aneurysms have been reported thus far. Various surgical techniques have been used ...
de Oliveira Jean G - - 2009
OBJECT: Intracranial aneurysms may grow closer to anterior optic pathways, causing mass effect over these anatomical structures, including visual deficit. The authors retrospectively reviewed a series of aneurysms in patients presenting with visual field deficit caused by mass effect, to analyze the aneurysm's characteristics, the neurosurgical management of these aneurysms, ...
Kawabori Masahito - - 2009
A 78-year-old woman presented with preauricular superficial temporal artery (STA) aneurysm and scalp porocarcinoma, which had both increased in size over 2 years. She had no previous history of head trauma. Three-dimensional (3D) computed tomography (CT) angiography revealed a 4-cm diameter STA aneurysm arising from the main trunk of the ...
Regelsberger J - - 2009
Subarachnoid haemorrhage (SAH) due to ruptured cerebral aneurysms is a rare diagnosis in childhood and is believed to differ from that in adults with regard to sex, aneurysm size and location, clinical appearance as well as outcome, suggesting that aneurysms in childhood are a distinct entity. Seven children and young ...
Iza-Vallejo Begoña - - 2009
The authors present the case of a peripheral aneurysmal lesion that developed in a newborn baby and was successfully treated by endovascular parent artery occlusion. Given the natural history of aneurysms, which are prone to rupture and to cause deleterious intracerebral hemorrhage, with high mortality rates, aggressive and early management ...
Youssef A Samy - - 2009
The posterior clinoid process, a bony prominence at the superolateral aspect of the dorsum sellae, has a strategic importance in a transcavernous approach to basilar tip aneurysms. To further optimize this microsurgical technique during posterior clinoidectomy, we performed a cadaveric study of this regional anatomy, describe a technique called dural ...
Binning Mandy J - - 2009
Delayed traumatic intracranial aneurysms of the posterior circulation caused by nonpenetrating head injury are rare, especially in pediatric patients. The true incidence and natural history of these aneurysms are poorly understood. We report a case of a 15-year-old boy who initially presented with subarachnoid hemorrhage of the posterior fossa without ...
Wang K - - 2009
We modified the elastase-induced aneurysm model by use of a simple surgical technique in rabbits. A temporary arcuated aneurysm clip was placed at the origin of the right common carotid artery (RCCA), ascertaining the inner edge of the clip blade on the juncture of the RCCA and right subclavian artery ...
Takao Hidemasa - - 2010
PURPOSE: True pancreaticoduodenal artery aneurysms are rare. No definitive study evaluating the natural history of these lesions or their preferred method of treatment has been published. The purpose of this study was to evaluate the outcome of preventive treatment of unruptured pancreaticoduodenal artery aneurysms using a Markov model. MATERIALS AND ...
Van Raay Y - - 2009
INTRODUCTION: Intracranial aneurysms are exceptional in neonatal patients: There are only 16 cases previously reported. We describe the first case of neonatal posterior inferior cerebellar artery (PICA) aneurysm and review the literature. CASE REPORT: A 7-day-old girl presented with irritability, anorexia, fever and abnormally enlarging head circumference. Computed tomography (CT) ...
Hetts S W - - 2009
BACKGROUND AND PURPOSE: Pediatric aneurysms are rare and, thus, relatively poorly understood as compared to those in adults. Our aim was to characterize the clinical, imaging, treatment, and outcome data of patients younger than 19 years diagnosed with intracranial aneurysms at a tertiary care institution. MATERIALS AND METHODS: We performed ...
Vashu R - - 2009
We report on two patients with intra-operative rupture of cerebral aneurysms that were managed by microsuturing. This is one of only a few reports of successful direct repair using suturing. We found that stitching remains an option to repair a tear of a saccular part of an aneurysm and a ...
Dehdashti Amir R - - 2009
We describe a patient with a symptomatic left giant carotido-ophthalmic aneurysm who initially underwent coil embolization with subtotal obliteration. The patient's symptoms were initially stable, but 1 year later, she presented with a rapidly progressive contralateral visual deficit. Although angiogram showed a stable neck remnant, MR confirmed aneurysm growth and ...
Hagihara Naoshi - - 2009
A 37-year-old woman presented with photophobia without visual loss associated with chiasmal compression by an unruptured anterior communicating artery (AcomA) aneurysm. She had suffered progressive photophobia for one year. Neuroimaging indicated an AcomA aneurysm attached to the chiasm. Photophobia was resolved following clipping of the aneurysm. AcomA aneurysm should be ...
Lylyk Pedro - - 2009
OBJECTIVES: The Pipeline embolization device (PED) (Chestnut Medical Technologies, Inc., Menlo Park, CA) is a new microcatheter-delivered endovascular construct designed to achieve the curative reconstruction of the parent arteries giving rise to wide-necked and fusiform intracranial aneurysms. We present our initial periprocedural experience with the PED and midterm follow-up results ...
Choudhary Anwar S - - 2009
Extracranial carotid artery aneurysms are uncommon and not much is known about them. The purpose of this study is to report the authors' surgical experience and present a review of this entity. This single institution experience shows that resection of these aneurysms and restoration of flow can be accomplished using ...
Iwaisako Kousuke - - 2009
A 76-year-old woman presented with an enlarged right intracavernous carotid artery aneurysm first identified incidentally when she was hospitalized for thalamic hemorrhage. She was managed conservatively for 1 year, then suffered right total ophthalmoplegia associated with enlargement of the aneurysm. Two months later, she became comatose due to intracerebral hemorrhage ...
Barnett Brad P - - 2009
PURPOSE: To describe two hydrogel embolic materials, the alginate-based EmboGel and the polyethylene glycol diacrylate-based UltraGel and examine their use as embolic agents in in vitro models of abdominal aortic aneurysm (AAA) endoleak and saccular aneurysms. MATERIALS AND METHODS: EmboGel is a mixture of iohexol and alginate, with a calcium ...
Chung Joon Ho - - 2009
Internal carotid artery (ICA) trapping can be used for treating intracranial giant aneurysm, blood blister-like aneurysms and ICA rupture during the surgery. We present a novel ICA trapping technique which can be used with insufficient collaterals flow via anterior communicating artery (AcoA) and posterior communicating artery (PcoA). A patient was ...
Jin Sung-Chul - - 2009
Carotid occlusion is an inevitable therapeutic modality for the treatment of complex aneurysms such as giant, traumatic, and intracavernous aneurysms. Late complications of carotid occlusion include 'de novo' aneurysm formation at a distant site because of hemodynamic changes in the circle of Willis. We report a case of de novo ...
Kim Sung Chul - - 2009
Oculomotor nerve palsy (ONP) with subarachnoid hemorrhage (SAH) occurs usually when oculomotor nerve is compressed by growing or budding of posterior communicating artery (PcoA) aneurysm. Midbrain injury, increased intracranial pressure (ICP), or uncal herniation may also cause it. We report herein a rare case of ONP associated with SAH which ...
Tremmel Markus M Department of Neurosurgery, University at Buffalo, State University of New York, Buffalo, New York, - - 2009
The effectiveness of intracranial aneurysm (IA) size as a predictor for rupture has been debated. We recently performed a retrospective analysis of IA morphology and found that a new index, namely, aneurysm-to-parent vessel size ratio (SR), was strongly correlated with IA rupture, with 77% of ruptured IAs showing an SR ...
Juszkat R R Poznan University of Medical Sciences; Poznan, Poland - - - 2009
Segmental non-fusion of the basilar artery results from failed fusion of the neural arteries and from regression of the bridging arteries that connect the longitudinal arteries. This condition is associated with aneurysm formation in 7% of cases. Distally unfused arteries with associated aneurysms are very rare. We report on a ...
Lv X X 2008B42, Beijing Nova Program, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University; Beijing, China - - - 2009
Aneurysms of the A1 segment of the anterior cerebral artery (ACA) are rare. We described the first documented endovascular treatment of an A1 portion dissecting aneurysm by parent artery occlusion. A 43-year-old man patient presented with subarachnoid hemorrhage. Cerebral angiography demonstrated a dissecting aneurysm of the left anterior cerebral artery ...
Olabe Jon - - 2009
BACKGROUND: Microneurovascular anastomosis and aneurysm clipping require extensive training before mastering the technique and are a surgical challenge. We developed the "infused chicken wing method" to provide a simple but realistic training method minimizing animal use and need for special facilities for animal care and anesthesia. METHODS: Fresh chicken wings ...
Chien Aichi - - 2009
BACKGROUND: Prophylactic treatment of unruptured small brain aneurysms is still controversial due to the low risk of rupture. Distinguishing which small aneurysms are at risk for rupture has become important for treatment. Previous studies have indicated a variety of hemodynamic properties that may influence aneurysm rupture. This study uses hemodynamic ...
Lehecka Martin - - 2009
BACKGROUND: Internal carotid artery bifurcation aneurysms form 2% to 9% of all IAs. They are more frequent in younger patients than other IAs. In this article, we review the practical microsurgical anatomy, the preoperative imaging, surgical planning, and the microneurosurgical steps in the dissection and the clipping of ICAbifAs. METHODS: ...
Dashti Reza - - 2009
BACKGROUND: Microscope-integrated near-infrared indocyanine green videoangiography (ICG-VA) is a new method of intraoperative blood flow assessment. The objective of this study was to evaluate the reliability of this technique in the evaluation of neck residuals and patency of branches after microneurosurgical clipping of intracranial aneurysms (IAs). METHODS: During a period ...
Maekawa Hidetsugu - - 2009
Middle meningeal artery aneurysm associated with meningioma is extremely rare, and only two cases have previously been reported. In our case, a 72-year-old woman with convexity meningioma underwent preoperative cerebral angiography, which revealed a flow-related aneurysm on the middle meningeal artery. Embolization of the aneurysm was performed with N-butycyanoacrylate glue, ...
Ibrahim Timothy - - 2009
Posteriorly projecting carotid bifurcation aneurysms are rare. Proximal anterior cerebral artery aneurysms are even more uncommon. Distinguishing between true posteriorly projecting carotid bifurcation aneurysms and carotid A1 aneurysms can be difficult but it is important because small posteriorly projecting carotid bifurcation aneurysms may need a contralateral approach for adequate exposure. ...
Willinsky R A - - 2009
BACKGROUND AND PURPOSE: Endovascular embolization is a well-established treatment of ruptured intracranial aneurysms, but concern about its long-term stability and its ability to prevent rehemorrhage are still present. We evaluated the long-term clinical and angiographic follow-up of patients with ruptured cerebral aneurysms treated with coiling, focusing on rehemorrhage and changes ...
Otani Naoki - - 2009
Optimal surgical management of ruptured aneurysms of the distal anterior cerebral artery continues to provide unique technical challenges. This study presents 20 consecutively managed such patients, with special attention given to the clinical and radiological characteristics, as well as the surgical outcomes. Intracerebral hematoma was seen in 11 of the ...
Miyazawa Takahito - - 2009
BACKGROUND: Phosphenes, flashes of light, are a visual phenomenon experienced by patients with ophthalmological disease and normal individuals. CASE REPORT: We report here a 68-year-old woman in whom phosphenes appeared in the left visual field due to compression of the right optic nerve by an aneurysm of the anterior communicating ...
Nussbaum Eric S - - 2009
Intracranial arterial fenestrations are uncommon developmental anomalies that may alter local hemodynamic stress patterns and may be associated with intracranial aneurysms. A 75-year-old woman presented with a mild subarachnoid hemorrhage. Cerebral angiography demonstrated a 5 mm aneurysm arising from the middle cerebral artery (MCA) associated with a dramatic fenestration of ...
Grotemeyer Dirk - - 2009
PURPOSE: Visceral artery aneurysms (VAA) are rare forms of vascular pathology, with an incidence of 0.1% to 0.2% in routine autopsies. They frequently present as a life-threatening, often fatal, emergency, if associated with rupture and intra- or retroperitoneal bleeding. The clinical symptoms, natural history, and mortality of VAAs vary depending ...
Lee Ho-Joon - - 2009
The mechanism of aneurysm growth after isolation from the circulation is not well known. We report a case of a woman who presented with mass effects of a large cavernous internal carotid artery (ICA) aneurysm. The parent vessel harboring the aneurysm was sacrificed but the aneurysm continued to enlarge with ...
Roebuck Jeremy C - - 2009
We report a case of idiopathic rupture of an internal carotid artery (ICA) aneurysm in an infant, a finding that we believe has not been previously reported in the literature. The more common causes of isolated injury to the ICA are deep neck space infections and penetrating intraoral trauma. Pseudoaneurysms ...
Park Sun Jin - - 2009
The purpose of this article is to report a case of ruptured celiac trunk aneurysm treated with glue embolization. A 39-year-old man presented with abdominal pain. Abdominal computed tomography (CT) depicted the presence of hemoperitoneum, and CT angiography revealed an aneurysm in the celiac trunk. The endovascular access into the ...
Trager Asher L AL Department of Biomedical Engineering, University of Miami, 1251 Memorial Drive, Coral Gables, FL 33146, USA. - - 2009
The rupture of a cerebral aneurysm can result in a hemorrhagic stroke. A flow diverter, which is a porous tubular mesh, can be placed across the neck of a cerebral aneurysm to induce the cessation of flow and initiate the formation of an intra-aneurysmal thrombus. By finding a correlation between ...
Roche-Nagle Graham - - 2009
Carotid artery aneurysms are an uncommon but important problem. Untreated, these aneurysms lead to neurologic symptoms from embolization. Although open surgery has been the primary mode of treatment, these aneurysms are being treated more commonly with endovascular approaches. This article describes a case of aneurysms of the carotid artery and ...
van Hooft I M - - 2009
BACKGROUND: A persistent sciatic artery (PSA) is a rare vascular anomaly with an estimated incidence of 0.03-0.06%. During early embryonic development, the sciatic artery usually disappears when the superficial femoral artery has developed properly. This study aimed to assess the clinical presentation and outcome of a PSA. METHOD: A systematic ...
Fiehler Jens - - 2009
This brief review highlights some factors affecting the short-term and long-term outcomes after endovascular treatment (EVT) of patients with intracranial aneurysms. The principal procedural risks associated with EVT are symptomatic thromboembolic events affecting 2.4-5.2% of treatments, and aneurysm perforation which occurs in 0.5-2.4% of the patients with unruptured aneurysms and ...
Berenstein Alejandro - - 2009
OBJECTIVE: To assess the feasibility and analyze angiographic and histological results of experimental aneurysms treated with an embolic-containing device (ECD) and to test a liquid embolic agent (LEA), N-butyl cyanoacrylate. METHODS: Four experimental large bifurcation aneurysms and 1 large sidewall aneurysm were created in 5 dogs. These venous pouch aneurysms ...
Gologorsky Yakov - - 2009
OBJECTIVE: Pulsatile tinnitus is a relatively common, potentially incapacitating condition that is often vascular in origin. We present a case of disabling pulsatile tinnitus caused by a transverse-sigmoid sinus aneurysm that was surgically treated with self-tying U-clips (Medtronic, Inc., Memphis, TN). We also review the literature and discuss other described ...
Hassan F - - 2009
Spontaneous thrombosis of an intracranial aneurysm is a rare event. It is predominantly observed with aneurysms that are large and have relatively narrow necks. We report here a case of a 48-year-old woman presenting with subarachnoid hemorrhage (SAH) due to rupture of a 2-mm aneurysm of the anterior cerebral artery ...
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