Subarachnoid hemorrhage basilar artery. Medical search. Frequent questions

9-11 Some researchers do not accept this and speculate that spontaneous thrombosis, vasospasm, destruction of the aneurysm by haemorrhage, narrowing of the aneurysmal neck, alterations in blood flow, inadequate angiographic technique or observer error may be responsible. (bmj.com)
The following conditions each represent 1 percent or more of diagnostic radiology claims: subarachnoid hemorrhage, malignant neoplasm of colon, malignant neoplasm of pancreas, cerebral thrombosis with infarction, acute cerebrovascular accident (CVA), cerebral aneurysm, pelvis fracture, ankle fracture, and intracranial abscess. (thedoctors.com)
Xu K, Wang H, Luo Q, Li Y, Yu J. Endovascular Treatment of Bilateral Carotid Artery Occlusion with Concurrent Basilar Apex Aneurysm: A Case Report and Literature Review. (medsci.org)
We report a case of successful endovascular treatment of bilateral carotid artery occlusion with concurrent basilar apex aneurysm. (medsci.org)
Computed tomography (CT) and digital subtraction angiography (DSA) confirmed the presence of bilateral carotid artery occlusion with concurrent basilar apex aneurysm. (medsci.org)
In conclusion, by using the endovascular approach, bilateral carotid artery occlusion with concurrent basilar apex aneurysm was efficiently treated. (medsci.org)
Patient 8, with a 4.9-mm anteriorly projecting anterior communicating artery aneurysm, underwent a single digital subtraction angiography study 48 hours before undergoing CT angiography. (ajnr.org)
Analysis of the digital subtraction angiograms of that patient revealed that the anterior communicating artery, and therefore the aneurysm sac, was not well filled as a consequence of poor cross filling during a cross-compression injection performed to visualize the anterior communicating artery region and probably not from transient thrombosis. (ajnr.org)
It has been our experience that with very small aneurysms, ≤5 mm in maximal diameter, the more frequent cause of negative conventional angiography is projectional obscuration of the lesion when the aneurysm is obscured by the parent artery or nearby branches. (ajnr.org)
In each of these cases, the aneurysm was an incidental finding in a patient without subarachnoid hemorrhage. (ajnr.org)
Aneurysm locations were internal carotid artery bifurcation (n=6), middle cerebral artery (n =17), anterior communicating artery (n= 4), Basilar Trunk (n =1) and basilar tip (n= 5). (bmj.com)
Intravascular stent and endovascular coil placement for a ruptured fusiform aneurysm of the basilar artery. (keyopinionleaders.com)
Saccular aneurysms have a "neck" that connects the aneurysm to its main ("parent") artery and a larger, rounded area called the dome. (competitiveturkey.org)
Brain: Berry Aneurysm: Gross, natural color, close-up, an excellent view of typical berry aneurysm located on anterior cerebral artery Brain: Berry Aneurysm Ruptured: Gross fixed tissue aneurysm at junction internal carotid and middle cerebral arteries (an excellent close-up view) berry aneurysm: [ an´u-rizm ] a sac formed by the localized dilatation of the wall of an artery, a vein, or the heart. (competitiveturkey.org)
Redirected from Aneurysm, intracranial berry) Intracranial aneurysm, also known as brain aneurysm, is a cerebrovascular disorder in which weakness in the wall of a cerebral artery or vein causes a localized dilation or ballooning of the blood vessel. (competitiveturkey.org)
Saccular - (most common, also called "berry") the aneurysm bulges from one side of the artery and has a distinct neck at its base. (competitiveturkey.org)
Cerebral saccular aneurysm, commonly known as berry aneurysm, is vascular pathology associated with subarachnoid hemorrhage. (competitiveturkey.org)
Microsurgical clipping of middle cerebral artery aneurysm The following are video recordings of surgical procedures from the Department of Neurosurgery of Saint John's Hospital of Budapest. (videotorium.hu)
Flow diversion for basilar apex aneurysm s has rarely been reported. (neurosurgery.directory)
Toulouse University Hospital, Yale School of Medicine, New Haven ), was performed from 2009 to 2016 to identify patients with basilar apex aneurysm s treated with flow diversion . (neurosurgery.directory)
Five aneurysm s (31.3%) were treated in the setting of subarachnoid hemorrhage . (neurosurgery.directory)
Flow diversion for the treatment of basilar apex aneurysm s results in acceptable occlusion rates in highly selected cases. (neurosurgery.directory)
Flow diversion is a feasible technique with an efficacy demonstrated at a midterm follow-up, especially in the case of basilar apex aneurysm recurrences after previous endovascular treatments. (neurosurgery.directory)
A 73-year-old male was previously treated for an unruptured 11-mm basilar apex aneurysm with stent-assisted coiling using a Neuroform stent. (neurosurgery.directory)
We performed Y-stenting of the basilar bifurcation using three PFEDs, and was recoiled the aneurysm sac. (neurosurgery.directory)
A cerebral aneurysm (also known as a brain aneurysm) is a weak or thin spot on an artery in the brain that balloons or bulges out and fills with blood. (nih.gov)
A saccular aneurysm is a rounded sac containing blood, that is attached to a main artery or one of its branches. (nih.gov)
A fusiform aneurysm balloons or bulges out on all sides of the artery. (nih.gov)
A mycotic aneurysm occurs as the result of an infection that can sometimes affect the arteries in the brain. (nih.gov)
The infection weakens the artery wall, causing a bulging aneurysm to form. (nih.gov)
no history of subarachnoid hemorrhage from a dif- The management of unruptured intracranial an- ferent aneurysm (group 1), and 722 had a history of eurysms is controversial8-12 because of a lack of un- subarachnoid hemorrhage from a different aneu- derstanding of the natural history of these lesions and rysm that had been repaired successfully (group 2). (pdfroom.com)
The overall rate of surgery-related morbidity cranial aneurysms in patients without a history of subarachnoid and mortality was 17.5 percent in group 1 and 13.6 hemorrhage from a separate aneurysm (group 1) and in those percent in group 2 at 30 days and was 15.7 percent with such a history (group 2), and to determine whether there and 13.1 percent, respectively, at 1 year. (pdfroom.com)
The authors report the case of a patient with a right vertebral artery (VA)-PICA aneurysm that was reached via a contralateral far-lateral approach. (thejns.org)
An arterial aneurysm is a localised abnormal dilatation of an artery due to a weakness in the arterial wall. (patient.info)
The artery wall can balloon out symmetrically to form a 'fusiform' aneurysm or there can be a local 'blow-out' to form a 'saccular' aneurysm. (patient.info)
Basilar Flow-related aneurysm pipeline device embolization . (neuroangio.org)

Vasospasm of BAs can occur after subarachnoid hemorrhage (SAH). (erdogan.edu.tr)
Single or multiple small subarachnoid hemorrhages by puncturing a small branch of the rat basilar artery causes chronic cerebral vasospasm. (uludag.edu.tr)
To examine morphological, radiological and biochemical effects of arginine vasopressin (AV) and V1 receptor antagonist on cerebral vasospasm (CVS) after subarachnoid hemorrhage (SAH) in rabbits. (turkishneurosurgery.org.tr)
Background For endovascular rescue therapy (ERT) of cerebral vasospasm (CVS) due to spontaneous subarachnoid haemorrhage (sSAH), non-compliant (NCB) and compliant (CB) balloons are used with both balloon types bearing the risk of vessel injury due to specific mechanical properties. (bmj.com)
Cerebral vasospasm (CVS) after spontaneous subarachnoid haemorrhage (sSAH) can result in delayed cerebral ischaemia (DCI) and CVS-associated infarction, both worsening patients outcome. (bmj.com)
Vasospasm after subarachnoid hemorrhage: utility of perfusion CT and CT angiography on diagnosis and management. (keyopinionleaders.com)
These findings indicate that 1-μsec laser pulses are well tolerated by systemic and cerebral arteries in two different animal models, and suggest that the 480-nm pulsed-dye laser may have an application for the treatment or prophylaxis of cerebral vasospasm. (elsevierpure.com)
Cerebral vasospasm determines the prognosis of subarachnoid hemorrhage (SAH). (elsevierpure.com)
Objective: In this experimental subarachnoid hemorrhage (SAH) model, pathophysiological processes that accompany acute vasospasm, morphological changes in the basilar artery, and the effect of altered cerebral blood flow (CBF) on mortality were examined. (uludag.edu.tr)
Delayed cerebral ischemia (DCI) and cerebral vasospasm (CV) are severe complications of spontaneous subarachnoid hemorrhage (SAH) contributing to an inferior outcome. (thejns.org)
Utkan T , Sarioglu Y , Kaya T , Akgün M , Göksel M , Solak O. Effect of deferoxamine and sympathectomy on vasospasm following subarachnoid hemorrhage. (drmustafaakgun.com)
Mortality, neurobehavioral evaluation, brain water content, blood brain barrier (BBB) permeability, and vasospasm assessment of the basilar artery were measured on days 3 and 7 after injury. (alexbotsaris.com.br)

This was the case for three study patients with basilar tip aneurysms discovered by CT angiography, each measuring ≤5 mm in maximal diameter. (ajnr.org)
Although a Water's projection of the basilar tip might have detected the anteriorly projecting lesions, for aneurysms in other locations, it may not be possible to know which obliquity will render a lesion visible, hence the potential for digital subtraction angiographic false-negative results. (ajnr.org)
Although TBI from closed head and penetrating trauma account for the majority of cerebral injuries, other processes, such as acute cerebral infarction (stroke) or subarachnoid hemorrhage (SAH) due to rupture of intracranial aneurysms, may mimic a traumatic injury on presentation and radiologic evaluation. (medscape.com)
IntroductionLarge and giant cavernous and paraclinoid internal carotid artery aneurysms often cause cranial neuropathy tha. (cn1699.cn)
Most recently, the results of the International Subarachnoid Hemorrhage Trial (ISAT) demonstrated the clinical superiority of endovascular treatment to standard surgical management of ruptured intracranial aneurysms ( 9 - 10 ). (ajnr.org)
Sixteen consecutive patients (median age 54.5 yr) underwent 18 procedure s to treat 16 basilar apex aneurysms with either the Pipeline Embolization Device ( Medtronic ) or Flow Redirection Endoluminal Device ( Microvention ). (neurosurgery.directory)
Patients with large basilar apex aneurysms treated with a flow-diverter stent were included in the study. (neurosurgery.directory)
age range, 44-58 years) received flow-diverter stent for basilar apex aneurysms. (neurosurgery.directory)
Flow Diversion for the Treatment of Basilar Apex Aneurysms. (neurosurgery.directory)
Cerebral aneurysms can occur anywhere in the brain, but most form in the major arteries along the base of the skull. (nih.gov)
Cerebral aneurysms form when the walls of the arteries in the brain become thin and weaken. (nih.gov)
Aneurysms typically form at branch points in arteries because these sections are the weakest. (nih.gov)
Occasionally, cerebral aneurysms may be present from birth, usually resulting from an abnormality in an artery wall. (nih.gov)
Numerous nuanced approaches have been used to access posterior inferior cerebellar artery (PICA) aneurysms for microsurgical clipping. (thejns.org)
For aneurysms deep within the skull such as basilar trunk, vertebrobasilar junction, and many PICA aneurysms, other factors-such as osseous relationships and individual skull base anatomical nuances-can be just as critical. (thejns.org)
True arterial aneurysms involve all three layers of the artery wall (intima, media and adventitia). (patient.info)
False aneurysms may arise following angiogram, angioplasty or at the join between a graft and the artery. (patient.info)
The most common are saccular aneurysms, which are described as being berry-shaped swellings occurring at the bifurcation of arteries. (patient.info)
Most aneurysms occur singly with the most frequent sites being the circle of Willis and the bifurcation of the middle cerebral artery. (patient.info)

Stroke syndromes can present along a wide spectrum of disease from transient ischemic attacks with complete resolution of symptoms to large intracranial hemorrhages with uncal or tonsillar herniation. (medscape.com)
Serum lipid abnormalities have been noted as important risk factors in a variety of vascular disorders such as coronary artery disease, ischemic stroke, and peripheral arterial disease. (surgicalneurologyint.com)
BACKGROUND AND PURPOSE: To test the safety and recanalization efficacy of intra-arterial local delivery of plasminogen activators in acute ischemic stroke, a randomized trial of recombinant pro-urokinase (rpro-UK) versus placebo was undertaken in patients with angiographically documented proximal middle cerebral artery occlusion. (keyopinionleaders.com)
There was 1 mortality in a patient (6.3%) who experienced posterior cerebral artery and cerebellar stroke s as well as subarachnoid hemorrhage after the placement of a flow diverter . (neurosurgery.directory)
Cerebral hemorrhage, subarachnoid hemorrhage, and stroke: Discontinue naratriptan tablets if occurs. (nih.gov)
Subarachnoid hemorrhage (SAH) is a devastating stroke subtype accounting for 3-7% of cases each year. (alexbotsaris.com.br)
Methods@#From December 2010 to June 2021, six hundred eight patients with acute ischemic stroke due to large artery occlusion received MT using a stent retriever with or without an aspiration catheter in our institution. (bvsalud.org)
Should patients with asymptomatic carotid artery stenosis undergo carotid procedures, or does medical therapy provide sufficient protection against stroke? (medscape.com)

Wall irregularities are visible in the left vertebral artery, basilar artery, and bilateral posterior cerebral arteries (white arrowheads). (springeropen.com)
At the top of the pons, the basilar artery divides into 2 posterior cerebral arteries (PCAs). (medscape.com)
The posterior cerebral arteries bifurcate from the basilar artery to supply the medial temporal (including the hippocampus) and occipital lobes, thalamus, and mammillary and geniculate bodies. (msdmanuals.com)

BACKGROUND Primary intraventricular hemorrhage (PIVH) is an uncommon type of intracerebral hemorrhage. (bvsalud.org)
Peri-procedural complications, intracerebral hemorrhage (ICH), and 3-month mortality were reviewed. (bvsalud.org)

We also reviewed six similar cases found with a PUBMED database search (1980-2010), including those with bilateral common carotid artery occlusion. (medsci.org)
In-stent thrombotic occlusion is a serious ischemic complication that can also result in ischemia in the distal perfusion territory and the territory of side branches for the artery in which the flow diverter (FD) stent is deployed. (thejns.org)
This retrospective study assessed the safety and efficacy of Neuroform Atlas stenting as a rescue treatment after failure of mechanical thrombetomy (MT) for large artery occlusion. (bvsalud.org)

5 mm in maximal diameter, and 43% were located at the middle cerebral artery bifurcation. (ajnr.org)
Proximal to its bifurcation into the terminal branches (PCAs), the basilar artery gives off the superior cerebellar arteries that supply the lateral aspect of the pons and midbrain, as well as the superior surface of the cerebellum. (medscape.com)
Congenital saccular: arterial dilatations of less than 2.5 mm that appear in the bifurcation of the arteries of the circle of Willis. (patient.info)

The main complication is the rupture and subsequent development of subarachnoid hemorrhage, which manifests as an excruciating headache. (competitiveturkey.org)
It may also burst or rupture, spilling blood into the surrounding tissue (called a hemorrhage). (nih.gov)
As the disease progresses, the Rich foci enlarge and may eventually rupture into the subarachnoid space, resulting in meningitis (See Pathophysiology ). (medscape.com)

1-8 The cause of angiogram negative SAH has not been established but a venous or capillary source, ruptured perforating artery, low flow vascular malformation and short segment arterial dissection have all been postulated. (bmj.com)
Basilar artery dissection has also been reported in connection with sexual activity, though most coital cephalalgia is benign in nature. (wikipedia.org)
Background: The authors describe a case of basilar artery dissection treated with Neuroform stenting. (elsevierpure.com)
This new treatment modality for basilar artery dissection may be safer than anticoagulation in patients with subarachnoid hemorrhage. (elsevierpure.com)
Case Description: This 36-year-old white male underwent Neuroform stenting of basilar artery dissection and subsequently developed bilateral pontine infarct and fungal stent infection. (elsevierpure.com)
Conclusions: This case report highlights the potential pitfalls of Neuroform stenting of basilar artery dissection and potential methods by which to avert these complications. (elsevierpure.com)
Further evolution in stent technology may help prevent further complications involving Neuroform stenting of basilar artery dissection. (elsevierpure.com)
Intracranial Vessel Wall Magnetic Resonance Imaging of Middle Cerebral Artery Dissection in Neurofibromatosis Type 1. (medscape.com)

On average, in 15% (5-30%) of patients with spontaneous subarachnoid haemorrhage (SAH), no obvious source of bleeding can be demonstrated, even with high quality four vessel cerebral digital subtraction angiography (DSA). (bmj.com)

Because in 50% of the cases presenting with subarachnoid hemorrhage, CT angiography preceded digital subtraction angiography, one to two cases could be expected to be have negative CT angiographic results based on the same argument. (ajnr.org)
All animals were sacrificed two days following basilar angiography and tissue samples of basilar artery were obtained under microscope immediate after craniectomy for ultrastructural and biochemical examinations. (turkishneurosurgery.org.tr)

Results The Neuron 6 F 0.053 inch inner luminal diameter delivery catheter (Penumbra) was placed in a very distal location within the internal carotid artery, external carotid artery and venous system enabling successful endovascular treatment of the intracranial pathology with no related neurological complications. (bmj.com)
Impact of Carotid Stent Design on Embolic Filter Debris Load During Carotid Artery Stenting. (medscape.com)

Subarachnoid hemorrhage (SAH) remains a serious disease with high morbidity and mortality, despite improvements in diagnostic modalities, better Intensive Care Unit (ICU) facilities, microsurgical, and endovascular advancements. (surgicalneurologyint.com)
IntroductionIntracranial hemorrhage (ICH) is a frequent complication after endovascular treatment (EVT) for acute ischemic. (cn1699.cn)
Endovascular laser treatment was delivered to 40 CCA's via a 200-μm diameter silica quartz fiber introduced through the femoral artery. (elsevierpure.com)
Five dogs received endovascular laser treatment 7 or 10 days after the first injection, when basilar artery diameter was reduced to a mean of 61% and 77% of control, respectively. (elsevierpure.com)

This study analyzed the roles of the receptor-mediated signaling and the myofilament Ca 2 sensitivity in the increased vascular reactiveness in SAH, using the basilar artery of a rabbit SAH model. (elsevierpure.com)

Brain blood supply was provided by the bilateral vertebral artery through the basilar artery. (medsci.org)

Background and purpose The aim of this study was to assess the long term outcome after non-aneurysmal subarachnoid haemorrhage (SAH). (bmj.com)
These data, in combination with were enrolled in the study, which had retrospective the incidence of aneurysmal subarachnoid hemor- and prospective components. (pdfroom.com)
Comment on the 2023 Guidelines for the Management of Patients With Aneurysmal Subarachnoid Hemorrhage. (medscape.com)

We detected morphological and radiological recovery in basilar artery, besides moderate improvement due to AV receptor antagonist in CVS. (turkishneurosurgery.org.tr)

1 2 In this context, TBA is implemented in addition to spasmolytic drugs in proximal intracranial arteries. (bmj.com)

The vertebral arteries arise from the subclavian arteries, and as they course cephalad in the neck, they pass through the costotransverse foramina of C6 to C2. (medscape.com)
The medulla is perfused by the PICA and by direct, smaller branches from the vertebral arteries. (medscape.com)

METHODS: We retrospectively identified 27 patients with acute subarachnoid hemorrhage who had undergone CTA/PCT, DSA, and transcranial Doppler (TCD) ultrasonography within a time interval of 12 hours of one another. (keyopinionleaders.com)

Sudden cardiac death can be caused by myocardial ischemia, and the physical activity of sexual intercourse in patients with coronary artery disease can result in myocardial ischemia. (wikipedia.org)

caused by a septic degeneration of the elastic and muscular layer of the cerebral arteries. (patient.info)

BACKGROUND: Posterior cerebral blood flow is regulated by the basilar arteries (BAs). (erdogan.edu.tr)
arteriovenous malformations (snarled tangles of arteries and veins in the brain that disrupt blood flow. (nih.gov)

In the presented case, a young female patient with fulminant refractory DCI and CV, despite induced hypertension and nimodipine application, was treated with three-vessel continuous intra-arterial infusion and additional repetitive angioplasty of the basilar and middle cerebral arteries using a stent retriever, leading to a good clinical outcome. (thejns.org)
We report a unique rescue strategy involving implantation of an additional intra-arterial catheter into the vertebral artery and repetitive stent retriever dilatations of the middle cerebral and basilar arteries as an extra therapy for continuous intra-arterial nimodipine vaspospasmolytic therapy in three vessel territories, resulting in a very good clinical outcome. (thejns.org)

Branches of the anterior and middle cerebral arteries (lenticulostriate arteries) supply the basal ganglia and anterior limb of the internal capsule. (msdmanuals.com)

Our aim was to analyse the radiological follow-up (RFU) of differently TBA-treated arteries (CB or NCB). (bmj.com)

The pons is perfused by small, penetrating branches from the basilar artery and its major branches. (medscape.com)

At the base of the brain, the carotid and basilar systems join to form a circle of large, communicating arteries known as the circle of Willis. (medscape.com)
Because of this arrangement of collateral vessels, even when one of the main arteries is occluded, adequate perfusion of the brain still may be possible. (medscape.com)
It is typically found on arteries at the base of the brain. (competitiveturkey.org)
Although various preventative and therapeutic interventions have been explored for potential neuroprotection following SAH, a considerable percentage of patients still experience serious neurologic and/or cognitive impairments as a result of the primary hemorrhage and/or secondary brain damage that occurs. (alexbotsaris.com.br)
The vertebral and basilar arteries supply the brain stem, cerebellum, posterior cerebral cortex, and medial temporal lobe. (msdmanuals.com)

In these cases, the lesion projected directly anterior or posterior to the basilar tip. (ajnr.org)
The frequently anteriorly projecting P1 segments of the posterior cerebral artery obscured the basilar tip lesion from the lateral projection. (ajnr.org)

3 5 ] Though attempts have been made to elucidate the pathophysiology of DCI in relation to the breakdown products of blood in the subarachnoid space, imbalance between vasoconstrictor and vasodilator substances, the cause-effect relationship remains elusive because of the presence of a plethora of causative factors. (surgicalneurologyint.com)

Anatomy46

Organisms3

Diseases69

Chemicals and Drugs24

Analytical, Diagnostic and Therapeutic Techniques and Equipment47

Psychiatry and Psychology1

Phenomena and Processes15

Disciplines and Occupations1

Information Science4

Health Care15

Geographicals1

Aneurysm36

Vasospasm12

ANEURYSMS19

Stroke8

Posterior cerebral arteries3

Intracerebral hemorrhage2

Occlusion3

Bifurcation3

Rupture3

Dissection8

Spontaneous subarachnoid haemorrhage1

Angiography2

Carotid artery2

Endovascular4

Vascular1

Bilateral1

Aneurysmal3

Morphological1

Proximal1

Vertebral arteries2

Patients with acute1

Cardiac1

Degeneration1

Blood flow2

Intra arterial2

Cerebral arteries1

Radiological1

Branches1

Brain5

Lesion2

Pathophysiology1