Search Results
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Cerrato Paolo - - 2008
Cervical artery dissection is an important cause of stroke in young patients and accounts of 10%-20% of stroke or TIA in patients aged less than 50 years. Basilar artery occlusion (BAO) is an infrequent cause of acute stroke, which invariably leads to death or long-term disability if not recanalized. We ...
Kakino Shunsuke - - 2008
BACKGROUND: Symptomatic atherosclerotic steno-occlusive diseases of the vertebrobasilar artery portend a poor prognosis and high risk of stroke recurrence despite medical therapy. We describe 5 medically refractory patients with occlusion at the origin of the VA and the distal portion of the cervical VA perfused via muscular collateral vessels who ...
Barth P G - - 2008
We report a case of congenital brainstem disconnection including the second detailed autopsy. A full-term newborn presented with irreversible apnoea and died on the fifth day. MRI revealed disconnection of the brainstem. The autopsy included a series of transverse sections of the mesencephalon, medulla oblongata and bridging tissue fragments. A ...
Lim Sang Ho - - 2008
Percutaneous vertebroplasty is a minimally invasive procedure in which polymethylmethacrylate polymer is used to treat painful diseased vertebral bodies. However, despite its minimally invasive nature and relative safety, cement leakage beyond involved vertebral bodies into the venous system can induce devastating cardiovascular complications. Here, the authors report a case of ...
Compter A - - 2008
BACKGROUND: Twenty to 30 percent of all transient ischaemic attacks and ischaemic strokes involve tissue supplied by the vertebrobasilar circulation. Atherosclerotic stenosis >/= 50% in the vertebral artery accounts for vertebrobasilar stroke in at least one third of the patients. The risk of recurrent vascular events in patients with vertebral ...
AteĊŸ Ozkan - - 2008
OBJECT: The microsurgical anatomy of the occipital artery (OA) was studied to describe the diameter, length, and course of this vessel as it pertains to revascularization procedures of the posterior cerebral circulation. METHODS: The authors studied 12 OAs in 6 cadaveric heads that had been injected with colored latex. They ...
Kubikova E - - 2008
This study presents and describes the variation of the vertebral artery arising from the aortic arch as a case report. This variation was found in one of the cadavers at the Institute of Anatomy of Medical Faculty of Comenius University in Bratislava. Anomalous arising was discovered during the student's dissection ...
Wynd Shari - - 2008
BACKGROUND: Serious adverse events such as cervical artery dissection (CAD) have been reported to occur following cervical spine manipulation therapy (cSMT). To investigate the relation between these events, we utilized an animal model to determine if vertebral arteries with a suspected susceptibility factor (wall lesion) could be injured further by ...
Lescanne Emmanuel - - 2008
The microanatomy of the cerebellopontine cistern (CPC) is of interest to many surgeons and has been the subject of controversial works especially concerning the study of the subarachnoid space in the internal acoustic meatus (IAM). The CPC lies in the cerebellopontine angle between the brainstem, cerebellum and petrous bone. It ...
Manninen Hannu - - 2008
BACKGROUND: The aim of this study was to assess hemodynamic consequences of increasingly common coverage of the left subclavian artery (LSA) during endovascular stent-graft repair for thoracic aortic disease without surgical revascularization. We considered that critical arteries to examine are the right vertebral artery and posterior communicating arteries (PComA) because ...
Nguyen T N - - 2008
After occlusion of flow in an artery, further ischaemic episodes are not expected due to lack of a flow conduit to carry the embolus. In the carotid stump syndrome, ongoing ischaemic events may continue due to collateral flow via the external carotid artery. We report two patients presenting with posterior ...
Tabatabai Ghazaleh - - 2008
Spinal manifestations of vertebral artery dissection (VAD) are rare events and are typically symptomatic with neck pain and ischemic brain injury. We report a patient presenting with unusual peripheral paresis of the right upper limb due to an intramural hematoma of the right vertebral artery with local compression of C5 ...
Ralea Ionela-Camelia - - 2008
Intracranial angioplasty stenting may be an efficient therapy in patients with intracranial atherosclerotic symptomatic vertebrobasilar artery stenosis unresponsive to optimal medical therapy. We present our experience in this setting. The study included 12 cases (8 men, 4 women), with an age range of 43-78 years (mean 62.6 years). Intracranial stenosis ...
Lee Sung Ik - - 2008
The dissection of the intracranial vertebral artery (VAD) is a common cause of young age brain stem stroke. VAD can be detected by conventional angiography, but there is yet no agreement on the most effective tool to use for the detection of VAD. Here, we report a patient with VAD, ...
Meguro T - - 2007
Here, we present a case of an unusual variant of a persistent primitive hypoglossal artery, which was found incidentally during an examination for a hypertensive thalamic haemorrhage. The anastomotic vessel arose from the external carotid artery and joined the vertebral artery through the hypoglossal canal. The embryology of the anomaly ...
Pereira V M - - 2007
Summary: Neurofibromatosis type 1 (NF-1) is one of the most common inherited diseases and as an autosomal dominant genetic disorder results from NF-1 gene mutation with 100% penetration and wide phenotypic variability. The disease can involve a wide variety of tissues derived from all three embryonic layers. NF-1 vasculopathy has ...
Lin Jainn-Jim - - 2007
Posterior circulation infarction is uncommon in children. Vertebral artery dissection is an unusual cause of posterior circulation infarction in children. We report on a 12-year-old boy with spontaneous left-extracranial vertebral artery dissection associated with isolated ipsilateral superior cerebellar artery territory infarction, diagnosed clinically and by brain computed tomography, magnetic resonance ...
Dissanayake P H - - 2007
Summary: This report describes a unique case of triplication of the terminal left vertebral artery, forming the basilar artery in a 75-year-old male. CT angiography of cranio-cervical vessels also demonstrated the right vertebral artery originating from the right common carotid and an aberrant right subclavian artery.To the best of our ...
Civelek Erdinc - - 2007
OBJECT: The authors undertook a study to explore the topographic anatomical features seen during the anterolateral approach to cervical spine, anatomical variations, and certain landmarks related to the surgical procedure. METHODS: The study was conducted in 30 fresh cadavers. RESULTS: The common carotid artery bifurcation was mostly found at the ...
Mukherjee Debabrata - - 2007
Atherosclerosis is the commonest cause of vertebral artery stenosis and has a predilection for the origin and proximal section of the extracranial portion of the vessel and also the intracranial portion of the vessel. Although it has generally been thought that extracranial vertebral artery (ECVA) disease has a more benign ...
Ren Xianjun - - 2007
BACKGROUND: Two-dimensional time-of-flight (2D TOF) magnetic resonance angiography (MRA) is the major method for detecting vertebral artery injury (VAI). But there is still controversy over MRA's accuracy in detecting VAI of varying degrees, a technique for which there are no animal studies found in the literature. The purpose of this ...
Kim Hyun-Jung - - 2007
The dorsolateral medullary syndrome (Wallenberg's syndrome) is produced by infarction of a wedge of lateral medulla posterior to the inferior olivary nucleus, and is usually caused by vertebral artery occlusion. Ipsilateral axial lateropulsion as an initial symptom of vertebral artery occlusion is rare, and the responsible anatomical structure is still ...
Mazzuca Michel - - 2007
We present the first video-EEG documentation, with ECG and EMG features, of stretch syncope of adolescence in a young, healthy 16-year-old boy. Stretch syncope of adolescence is a rarely reported, benign cause of fainting in young patients, which can be confused with epileptic seizures. In our patient, syncopes were self-induced ...
Cosar Murat - - 2008
Vertebral arteries form the basilar artery at the pontobulbar junction. The vertebral artery may have dominancy in one of them. The branches of basilar arteries supply blood for the vestibular nuclei and its connections. Vertigo is seen generally in the upper middle aged patients. Vertigo can be observed in dolichoectasia ...
Kwon Bae Ju - - 2007
OBJECTIVE: The aim of this study was to evaluate the anatomic details and therapeutic implications of the double origin of the posteroinferior cerebellar artery (DOPICA). METHODS: A total of 131 patients with intracranial posterior circulation aneurysms were consecutively treated using endovascular techniques during an 8-year period. We retrospectively searched the ...
Tabatabai Seyed Ali Fakhr - - 2007
OBJECTIVE: Aneurysms of the extracranially originating posterior inferior cerebellar artery are very rare. An anatomic insight of its possible course and variations is necessary when confronting such extraordinary lesions. CLINICAL PRESENTATION: A 19-year-old man presented with the sudden onset of severe headaches. A physical examination was positive only for neck ...
Gokduman Cem Atilla - - 2007
Aneurysms of the posterior inferior cerebellar artery (PICA) are rare, and may arise in unusual locations due to the complex and variable anatomy of this artery. The PICA does not usually originate from the extracranial vertebral artery. Of the few reported extracranial PICA aneurysms, all affected the distal segment. We ...
Dodick D W - - 2008
Migraineurs with frequent aura (>or=1 per month) are at a 12-fold increased risk of posterior circulation infarctions. Although the mechanism is unclear, these lesions are located in the arterial borderzone of the cerebellum. This case illustrates, for the first time, crossed cerebellar diaschisis in a patient with migraine with prolonged ...
Dabus Guilherme - - 2008
BACKGROUND: Vertebrobasilar insufficiency caused by head rotation is an uncommon event. The mechanism is obstruction of the vertebral artery resulting in flow limitation or, less frequently, thromboembolism. CASE DESCRIPTION: A 41-year-old male developed dizziness and light-headedness during chiropractic manipulation when his head was turned to the extreme right position. Computed ...
Eluvathingal Muttikkal T J - - 2007
Persistent trigeminal artery (PTA) is the most frequent type of persistent primitive carotid-basilar artery anastomoses. Persistent trigeminal artery is usually associated with small or absent posterior communicating artery (Pcom). It may also be associated with hypoplastic vertebral and basilar arteries. Patients may present with symptoms related to hypo-perfusion of posterior ...
Hassan A - - 2007
Acute vertebrobasilar artery occlusion is a life-threatening event, even after thrombolytic treatment with local intraarterial (IA) recombinant tissue plasminogen activator. We report a 70-year-old man with acute vertebral artery occlusion in which IA thrombolysis resulted in partial recanalisation and revealed pre-existing severe stenosis as the underlying cause. Stenosis was managed ...
Lee June Ho - - 2007
A significant drawback of atlantoaxial transarticular screw fixation is a potential risk of vertebral artery injury, especially with a high-riding type. The authors propose a relatively safe trajectory in cases of high-riding vertebral artery by using the 3-dimensional computerized tomography image reconstruction programs. Twelve consecutive patients with a pathologic condition ...
Burger I M - - 2007
BACKGROUND AND PURPOSE: Bilateral vertebrobasilar junction agenesis is an exceptional anatomic variation. This article explores the angiographic characteristics of this variant and its embryologic mechanisms. MATERIALS AND METHODS: Two observations of bilateral agenesis of the vertebrobasilar junction are reported. A case of atheromatous disease of the vertebrobasilar junction is shown ...
Bruneau Michaël - - 2008
Foramen magnum meningiomas are challenging tumors, requiring special considerations because of the vicinity of the medulla oblongata, the lower cranial nerves, and the vertebral artery. After detailing the relevant anatomy of the foramen magnum area, we will explain our classification system based on the compartment of development, the dural insertion, ...
Halstead James C - - 2007
BACKGROUND: Sacrifice of intercostal and lumbar arteries simplifies thoracoabdominal aneurysm surgery and enables endovascular stenting. Little is known about alterations in cord perfusion after extensive segmental artery sacrifice. We explored this question using hypothermia to reduce metabolism. METHODS: Twelve juvenile Yorkshire pigs (mean weight, 22.3 kg) were randomized to segmental ...
Peyre Matthieu - - 2007
OBJECTIVE: Neurofibromatosis Type 1 (NF1) is known to be associated with vascular lesions. Association with an extracranial vertebral artery aneurysm is very rare. We report the case of such an aneurysm mimicking a cervical neurofibroma in NF1. CLINICAL PRESENTATION: An 18-year-old woman with previously diagnosed NF1 presented with a C6 ...
Ikegami Akiko - - 2007
During the dissection course for second year medical students at the University of Toyama in 2005, we encountered variations of the bilateral vertebral arteries: the left directly came off from the aortic arch as the third branch between the left common carotid artery and the left subclavian artery and entered ...
Dabus Guilherme - - 2007
Approximately 20% to 40% of patients who have cerebral vascular disease have a vertebral artery-origin stenosis. Atherosclerotic lesions of vertebral arety origin are a potential cause of posterior circulation ischemia, which can be disabling or deadly. Endovascular treatment of vertebral artery-origin and innominate/subclavian artery stenosis has changed in the last ...
Turowski B - - 2007
A 37-year-old woman presented with cerebral venous and sinus thrombosis (CVST). During the period of anticoagulation she developed asymptomatic dissection of the intracranial segments of both vertebral arteries with an enlarging false aneurysm on the right side. Endovascular occlusion of the pathological segment of the right vertebral artery including the ...
Baik Seung Kug - - 2007
BACKGROUND: We describe a case involving technical success with internal trapping using controllable detachable coils yet antegrade recanalization of the occluded vertebral artery, in the vertebral artery dissecting aneurysm. Possible explanations for the antegrade recanalization of the occluded vertebral artery and lessons from the case are also discussed. CASE DESCRIPTION: ...
Bernard Timothy J - - 2007
Fenestration of vertebral arteries has been reported in association with thromboembolic brain infarctions. However, few cases have been reported in which recurrent infarction occurred in spite of adequate anticoagulation. We report a young man with fenestrated vertebral arteries and stroke who failed to respond to standard anticoagulation therapy but did ...
Hayashi Takahito - - 2007
We describe an autopsy case of sudden unexpected death due to severe brainstem compression by an unruptured giant vertebral aneurysm. A 71-year-old male was found dead in his bedroom. The forensic autopsy revealed no severe trauma leading to his death. On internal examination, a giant intracranial aneurysm (3.4 x 2.6 ...
Shimizu Satoru - - 2007
The purpose of this study was to clarify whether proximity of the occipital artery to the greater occipital nerve can act as a cause of occipital neuralgia, analogous to the contribution of intracranial vessels due to compression in cranial nerve neuralgias, represented by trigeminal neuralgias due to compression of the ...
Silva N N - - 2007
Summary: We described a case of chronic spinal cystic arachnoiditis after subarachnoid haemorrhage in a 54-year-old woman with a ruptured vertebral artery aneurysm treated by coils. At three months she complained of lumbar pain.At twelve months she presented lower limbs paresthesia then a rapidly bilateral motor deficit. MR showed a ...
Siclari F - - 2007
BACKGROUND AND PURPOSE: A certain number of anatomic variants involving the distal vertebral artery (VA) are explained by variations in size and connection of the lateral spinal artery (LSA). This study examined the possible role of another branch of the VA, the posterior spinal artery (PSA), in the development of ...
Mysior Marek - - 2007
BACKGROUND: Numerous publications have documented the usefulness of carotid ultrasonography. However, few studies report on criteria of flow evaluation in vertebral arteries. One reason is the greater anatomical variety of vertebral arteries, particularly the often encountered diameter asymmetry between sides. The purpose of this study was to assess the dependence ...
Satti S R - - 2007
In this article, we present 5 cases of uncommon anomalous vertebral arteries and discuss the possible embryologic etiologies. These cases include a left vertebral artery as the 2nd branch off the left subclavian, a left vertebral artery with 2 origins, a right vertebral artery arising as the last branch off ...
Hieda M - - 2007
Extracranial vertebral artery aneurysm is uncommon, and the common cause is penetrating trauma. Rupture of extracranial vertebral artery aneurysm into the thoracic cavity is extremely rare and fatal due to haemorrhagic shock by massive haemothorax. We report an intrathoracic rupture of the extracranial vertebral artery aneurysm with neurofibromatosis Type 1, ...
Barkhordarian Siamak - - 2007
Traumatic vertebral pseudoaneurysm is a rare occurrence. Such case with an enlarging symptomatic vertebral arteriovenous (AV) fistula was successfully treated with a covered endostent. Presentation, diagnosis and different acceptable treatment plans to this condition are further discussed. Stentgrafts can play an important and effective role in therapy of traumatic vertebral ...
Cademartiri Filippo - - 2007
We present a case of a 78-year-old male referred presented to our institution with amaurosis fugax after walking 20 steps ("visual claudicatio"). Duplex ultrasound was not able to visualize the carotid arteries. Multislice computed tomography (Sensation 64 Cardiac, Siemens, Germany) of the cerebro-vascular circulation was performed from its origin at ...
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