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White arrow on black card marks site of ruptured berry aneurysm in circle of Willis (major cause of subarachnoid hemorrhage). (medscape.com)
another series found aneurysms in 1% of patients undergoing four-vessel cerebral angiography for indications other than subarachnoid hemorrhage (SAH). (medscape.com)
This 64-year-old man presented with subarachnoid hemorrhage due to a ruptured dissecting aneurysm of left proximal PICA. (koreamed.org)
A Fisher grade IV subarachnoid hemorrhage due to a proximal PICA aneurysm rupture with hydrocephalus was revealed at initial brain computed tomography (CT) angiography ( Fig. 1A ). (koreamed.org)
Symptoms of a subarachnoid hemorrhage differ depending on the site and size of the aneurysm. (wikipedia.org)
Vasospasm, referring to blood vessel constriction, can occur secondary to subarachnoid hemorrhage following a ruptured aneurysm. (wikipedia.org)
In one series of patients undergoing coronary angiography, incidental intracranial aneurysms were found in 5.6% of cases, and another series found aneurysms in 1% of patients undergoing 4-vessel cerebral angiography for indications other than subarachnoid hemorrhage (SAH). (medscape.com)
It does not immediately secure the aneurysm in most subarachnoid hemorrhage cases. (neurosurgery.directory)

3-5 However, all these series are retrospective and some contain mixed populations of ruptured and unruptured aneurysms. (bmj.com)
For the treatment of both ruptured and unruptured aneurysms. (neurosurgery.directory)

Aneurysms in the posterior circulation (basilar artery, vertebral arteries and posterior communicating artery) have a higher risk of rupture. (wikipedia.org)
Endovascular treatment for wide-necked posterior communicating artery (PcomA) aneurysms with a fetal-type variant of the posterior cerebral artery (PCA) is often challenging. (neurointervention.org)

The published results of treating internal carotid artery aneurysms with the PED do not necessarily apply to its use in the posterior circulation because disabling brain stem infarcts can be caused by occlusion of a single perforator. (ajnr.org)
The indication for this technique is that the neck of the aneurysm should significantly and broadly incorporate both the internal carotid artery and fetal-type PCA, such that a single-balloon remodeling and single stent would be inadequate to protect both the arteries. (neurointervention.org)
This is because these aneurysms tend to incorporate the origin of the fetal-type PCA and internal carotid artery (ICA). (neurointervention.org)
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)

No aneurysm rupture or PED thrombosis was encountered. (ajnr.org)
Similar proportions of in-stent occlusion, distal embolization, and termination due to vessel rupture were observed. (bvsalud.org)
The occurrence, growth, thrombosis, and even rupture of intracranial saccular aneurysms can be explained by abnormal hemodynamic shear stresses on the walls of large cerebral arteries, particularly at bifurcation points. (medscape.com)
One patient experienced abrupt in-stent thrombosis resulting in a transient neurologic deficit, and 1 patient died due to rupture of a coexisting aneurysm. (ajnr.org)
1 Flow conditions within the parent artery and the aneurysm itself have long been thought to play an important role in aneurysm growth and rupture. (ajnr.org)
Symptoms of a ruptured aneurysm can include: a sudden severe headache that can last from several hours to days nausea and vomiting drowsiness, confusion and/or loss of consciousness visual abnormalities meningism dizziness Almost all aneurysms rupture at their apex. (wikipedia.org)
Minor leakage from aneurysm may precede rupture, causing warning headaches. (wikipedia.org)
Larger aneurysms have a greater tendency to rupture, though most ruptured aneurysms are less than 10 mm in diameter. (wikipedia.org)
The risk of rupture from a cerebral aneurysm varies according to the size of an aneurysm, with the risk rising as the aneurysm size increases. (wikipedia.org)
The International Study of Unruptured Intracranial Aneurysms (ISUIA) indicated a relatively low risk of rupture in small aneurysms without history of SAH. (medscape.com)
The presence of cigarette smoking, family history of aneurysms, polycystic kidney disease, or systemic lupus erythematosus may elevate the risk of rupture and should be considered. (medscape.com)
Ruptured Aneurysms: Diagnosis, Management and Treatment: Imaging paradigms of ruptured aneurysms, management options for co-morbidities associated with aneurysm rupture, treatment options including coiling, clipping, flow diverter stents, flow disruptors 5. (intechopen.com)
The natural history of saccular intracranial aneurysms consists of three phases: initiation, growth, and either stabilization or rupture, and the application of scientific principles to biological processes has made it easier to understand the behavior of aneurysm formation and rupture. (intechopen.com)
Almost all aneurysms rupture at their apex. (mdwiki.org)

Aneurysm of the basilar artery and the vertebral arteries . (mdwiki.org)

Rebleeding, hydrocephalus (the excessive accumulation of cerebrospinal fluid), vasospasm (spasm, or narrowing, of the blood vessels), or multiple aneurysms may also occur. (wikipedia.org)
This case also presented with the unusual characteristics of an anomaly in the extracranial ICA and multiple aneurysms. (nagoya-u.ac.jp)

MicroVention, Aliso Viejo, California, USA) has been approved as the first intrasaccular device for the treatment of unruptured wide-necked bifurcation aneurysms (WNBAs) [ 28 ] by the FDA. (springer.com)
Saccular aneurysms are rounded berrylike outpouchings that arise from arterial bifurcation points, most commonly in the circle of Willis (see the image below). (medscape.com)
The Woven EndoBridge device is a treatment option for bifurcation wide-neck intracranial aneurysm . (neurosurgery.directory)
The WEB Clinical Assessment of Intrasaccular Aneurysm Therapy ( WEBCAST ) trial is a prospective European trial evaluating the safety and efficacy of WEB in wide necked aneurysm of the bifurcation. (neurosurgery.directory)

0.0001), but this difference was smaller at follow-up angiography (50%, 50% and 17% residual, respectively) and was not significant after adjusting for baseline aneurysm and neck size. (bmj.com)
To evaluate the stability of aneurysm occlusion at follow-up angiography after endovascular treatment (EVT) with detachable coils in intracranial berry aneurysms. (rsna.org)
A very small recurrence may be observed at the level of the neck of the aneurysm at long-term follow-up angiography despite achieving total occlusion initially with detachable coils. (rsna.org)
A left proximal PICA fusiform dissecting aneurysm with a lacerated PICA orifice was found on cerebral angiography with 3D reconstruction ( Fig. 1B-D ). The shape of this fusiform aneurysm was triangular and irregular, and the size of the aneurysm was 3.95 mm (anterior/posterior diameter) × 3.12 mm (height) × 4.75 mm (length) with a shallow PICA orifice (1.3 mm). (koreamed.org)
Regression or evolution of these aneurysms is monitored with serial angiography. (medscape.com)
A 52-year-old woman with nonspecific symptoms was diagnosed with multiple cerebral aneurysms and abnormal blood vessels observed on magnetic resonance angiography. (nagoya-u.ac.jp)
Digital subtraction angiography revealed four aneurysms and anastomoses between the left AMA and inferolateral trunk (ILT). (nagoya-u.ac.jp)

Some investigators have advocated endovascular or surgical treatment of all aneurysms less than 10 mm if age is less than 50 years, in the absence of contraindications. (medscape.com)

5) The authors present a successful but challenging case of stent-assisted coil embolization of a ruptured left proximal PICA dissecting fusiform aneurysm with left vertebral artery orifice (VAO) stenosis using the contralateral vertebral artery (VA) approach for stenting and the ipsilateral VA approach for coil embolization. (koreamed.org)
Microcatheter (black arrow points to catheter tip) injection of the neuromeningeal trunk of the left ascending pharyngeal artery shows its anatomical connection with the epidural arcade (white arrows), opacifying in retrograde fashion the left vertebral artery (red). (neuroangio.org)

14 ] While the development of intracranial stents has enhanced treatment of wide-necked aneurysms, there is reluctance to use this technology during the acute posthemorrhage period. (surgicalneurologyint.com)
Cocaine use has also been associated with the development of intracranial aneurysms. (wikipedia.org)
Specific genes have also had reported association with the development of intracranial aneurysms, including perlecan, elastin, collagen type 1 A2, endothelial nitric oxide synthase, endothelin receptor A and cyclin dependent kinase inhibitor. (wikipedia.org)

Our inclusion criterion for double-balloon-assisted coiling was as follows: the neck of the aneurysm should significantly and broadly incorporate the ICA and fetal-type PCA, such that a single-balloon remodeling and single stent would be inadequate to protect both arteries. (neurointervention.org)

Patients who underwent SAC and those who underwent coiling were more likely to have a good discharge disposition than patients treated with clipping (100% vs 91%, p=0.042). (bmj.com)
The overall direct cost was higher for patients who underwent SAC than for those treated with coiling or clipping (median $22 544 vs $12 933 vs $14 656, p=0.001), even after adjusting for aneurysm and neck size, LOS and retreatment. (bmj.com)
Permanent neurological complications occurred in 7.4% and procedure-related mortality was 4.6% among patients who underwent SAC, which was significantly higher than for those treated with coiling alone. (bmj.com)
Medical records and imaging were reviewed for 36 patients who underwent stent-assisted embolization of a ruptured cerebral aneurysm. (surgicalneurologyint.com)
Methods@#: A total of 70 patients who underwent Solumbra technique thrombectomy with equal diameter (4 mm) and different length (40 vs. 20 mm) Solitaire stent retrievers were divided into two groups : the Solitaire Platinum 4×40 mm stent (4×40) group and the Solitaire FR 4×20 mm stent or Solitaire Platinum 4×20 mm stent (4×20) group. (bvsalud.org)

The common causes of intracranial aneurysm include hemodynamically induced or degenerative vascular injury, atherosclerosis (typically leading to fusiform aneurysms), underlying vasculopathy (eg, fibromuscular dysplasia), and high-flow states, as in arteriovenous malformation (AVM) and fistula. (medscape.com)

Rates of residual aneurysm, recanalization, complications, cost (adjusted to 2010), length of stay (LOS) and outcome were compared between groups. (bmj.com)
SAC was not associated with increased recanalization, requirement for additional treatment, mortality or complications after adjusting for aneurysm and neck size. (bmj.com)
In this study we examined patients with unruptured aneurysms who underwent SAC, coiling alone or clipping and compared the safety, residual and recanalization rates and cost of each treatment modality. (bmj.com)
We hypothesized that, after adjusting for baseline aneurysm characteristics, SAC would have similar rates of residual aneurysm, recanalization and morbidity to coiling alone or clipping. (bmj.com)
Conclusion@#: Neuroform Atlas stenting seems to be an effective and safe rescue treatment modality for failed MT with residual ICAS, by its high successful recanalization rate with tolerable patency, and low peri-procedural complication rate. (bvsalud.org)
Moreover, incomplete occlusion to preserve the PcomA can lead to recanalization because PcomA aneurysms are one of the representative aneurysm locations with a high likelihood of recanalization [ 3 ]. (neurointervention.org)

A recent retrospective study of SAC in 216 patients found that, although SAC was associated with significantly lower angiographic recurrence rates than coiling alone, complication rates were substantially higher. (bmj.com)
Subsequently, all patients with an aneurysm remnant or recurrence of the target aneurysm retreated with microsurgical clipping were identified. (springer.com)
Recurrence occurred between 3 and 40 months in 20 (14%) of the 148 totally occluded aneurysms. (rsna.org)
Aneurysm treatment by intrasaccular packing has been associated with a relatively high rate of recurrence. (ajnr.org)
we considered these to have a high likelihood of failure and/or recurrence with conventional endovascular techniques either because of a large or giant aneurysm or an unfavorable neck-to-sack ratio. (ajnr.org)

The purpose of this study is to retrospectively review our experience with stent-assisted embolization of patients with an acutely ruptured cerebral aneurysm. (surgicalneurologyint.com)

Saccular aneurysms, also known as berry aneurysms, appear as a round outpouching and are the most common form of cerebral aneurysm. (wikipedia.org)
Most saccular or intracranial berry aneurysms were once thought to be congenital in origin, arising from focal defects in the media and gradually developing over a period of years as arterial pressure first weakens and subsequently balloons out the vessel wall. (medscape.com)

Common locations of cerebral saccular aneurysms. (medscape.com)
Less common causes of saccular aneurysms include trauma, infection, tumor, drug abuse (cocaine), and high-flow states associated with AVMs or fistulae. (medscape.com)

Stent-assisted coiling (SAC) has become an attractive treatment option for large wide-necked or side wall aneurysms or aneurysms located in the supraclinoid internal cerebral artery or basilar tip. (bmj.com)
An intracranial aneurysm, also known as a cerebral 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. (wikipedia.org)

Conclusions@#MT fails due to various reasons, and intracranial artery stenosis is the main cause of MT failure. (bvsalud.org)
Methods@#: Between June 2018 and December 2019, a total of 31 patients underwent Neuroform Atlas stenting with prior Gateway balloon angioplasty after failure of conventional MT caused by residual intracranial atherosclerotic stenosis (ICAS). (bvsalud.org)
Especially, if dissecting aneurysm of proximal PICA is associated with small caliber PICA and stenosis of ipsilateral vertebral artery orifice (VAO), endovascular coiling with saving of PICA is not always easy. (koreamed.org)
The objective of this study is to review the closing or open endovascular procedures for intracranial aneurysm, arteriovenous malformation, acute ischemic stroke, and carotid stenosis and related anesthetic implications. (anesth-pain-med.org)

The management of unruptured intracranial aneurysms is highly controversial. (medscape.com)
Future studies in the management of unruptured intracranial aneurysms may systematically account for the evolving technology of advanced endovascular approaches, detailed aneurysm morphology, novel neuroimaging correlates, ethnic and geographical variation, neurocognitive impairment following endovascular or surgical treatment, and quality-of-life issues. (medscape.com)

Autosomal dominant polycystic kidney disease (ADPKD) is by far the most common genetic abnormality associated with intracranial aneurysms, with an estimated 5-40% of ADPKD patients harboring such lesions. (medscape.com)

A cerebral aneurysm is defined as a local outpouching of an intracranial artery and can either be saccular or fusiform. (intechopen.com)

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)

Conclusions SAC is a safe alternative to coiling or clipping of unruptured aneurysms but it is currently more expensive. (bmj.com)

The objective was to assess the complications and aneurysm occlusion rates associated with posterior circulation PEDs. (ajnr.org)
Stent-assisted coil embolization is an option for treatment of ruptured wide neck ruptured aneurysms and for salvage treatment during unassisted embolization of ruptured aneurysms but complications and retreatment rates are higher than for routine clipping or coiling of cerebral aneurysms. (surgicalneurologyint.com)
This reluctance stems mainly from the risk of thromboembolic complications associated with using stents in patients who are not pretreated with antiplatelet therapy, and the fear that use of antiplatelet agents in the postrupture period may increase the risk of re-hemorrhage or periprocedural complications related to placement of ventriculostomies. (surgicalneurologyint.com)
Medical therapy of cerebral aneurysms involves general supportive measures and prevention of complications for individuals who are in the periprocedural period or are poor surgical candidates. (medscape.com)
Following surgical or endovascular aneurysm treatment, blood pressure is maintained at higher levels to diminish complications associated with vasospasm. (medscape.com)
Complication Avoidance: Tips and tricks to avoid complications in the treatment of brain aneurysms. (intechopen.com)

Methods A retrospective study was conducted of patients undergoing SAC, coiling or clipping of unruptured intracranial aneurysms between 2003 and 2010. (bmj.com)
A retrospective study including all patients presenting with a ruptured aneurysm undergoing WEB treatment at our institution between 2019 and 2021 was performed. (springer.com)
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)

A total of 19 wide-neck aneurysms were treated in 18 patients: 10 by implantation of PEDs alone and 9 by a combination of PED and coils. (ajnr.org)
Treatment of large, wide-neck, or otherwise untreatable aneurysms with functional reconstruction of the parent artery may be achieved with relative safety using dedicated flow-modifying devices with or without adjunctive use of intrasaccular coil packing. (ajnr.org)
Second, it may not be suitable for embolization of wide-neck aneurysms with an unfavorable aspect ratio. (neurosurgery.directory)

Additionally, flow diversion with a Pipeline embolization device (Medtronic, Minneapolis, MN, USA) is currently used for such aneurysms. (neurointervention.org)
The Woven EndoBridge (WEB) ( Sequent Medical , Aliso Viejo, California), is a ellipsoid braided-wire embolization device designed to provide flow disruption along the aneurysm neck 1) . (neurosurgery.directory)

Since WEB embolization is a valuable treatment alternative to coiling, it seems not justified to exclude this procedure from upcoming clinical SAH trials, yet the clinical long-term outcome, aneurysm occlusion, and retreatment rates have to be analyzed in further studies 3) . (neurosurgery.directory)

Topic: Chapter discussing the indications for treatment of brain aneurysms, endovascular techniques, tips and tricks. (intechopen.com)

Placed in the aneurysm, the device will modify the blood flow at the level of the neck and induce aneurysmal thrombosis. (neurosurgery.directory)

Besides one basilar apex aneurysm, all aneurysms were located at the anterior communicating artery (AComA) complex. (springer.com)

Intrasaccular flow disruption describes an endovascular treatment method, where in contrast to flow diversion, the device is directly placed into the aneurysm sac [ 28 ]. (springer.com)

Despite relatively small caliber of radial artery (white), we placed a sheath anyway. (neuroangio.org)

The diameter of the left PICA just proximal and distal to the dissecting aneurysm was 1.2 mm and 0.9 mm and acute angulation PICA with ipsilateral VA, respectively ( Fig. 1E ). (koreamed.org)

The PED is effective in the treatment of posterior circulation aneurysms that are otherwise difficult or impossible to treat with standard endovascular or surgical techniques, and its safety is similar to that of stent-assisted coiling techniques. (ajnr.org)
Objective Stent-assisted coiling (SAC) of unruptured intracranial aneurysms is a treatment alternative to clipping or coiling, although high complication and procedure-related mortality rates have been reported. (bmj.com)
One patient had a spontaneous parenchymal hemorrhage contralateral to the treated aneurysm discovered 10 days after treatment. (surgicalneurologyint.com)
Seven of 21 patients (33%) with angiographic follow-up required further treatment of the coiled aneurysm. (surgicalneurologyint.com)
Endovascular embolization of intracranial aneurysms has emerged as a viable and sometimes preferable method of treatment of intracranial aneurysms as demonstrated in the International Subarachnoid Aneurysm Trial (ISAT). (surgicalneurologyint.com)
10 ] However, endovascular treatment of wide-necked aneurysms continues to pose a challenge to interventionalists. (surgicalneurologyint.com)
4 11 ] However, there is a concern that balloon remodeling is not always the ideal choice of treatment for all wide necked aneurysms. (surgicalneurologyint.com)
Since its approval by the US Food and Drug Administration (FDA) in 2018, the flow disruptor Woven EndoBridge (WEB) device has become increasingly popular for the endovascular treatment of unruptured and ruptured cerebral aneurysms. (springer.com)
Microsurgical clipping for initially ruptured WEB-treated aneurysms is a feasible, safe, and effective treatment method in well-selected patients. (springer.com)
Endovascular treatment of posterior circulation aneurysms by electrothrombosis using electrically detachable coils. (rsna.org)
Intracranial aneurysms: endovascular treatment with mechanical detachable spirals in 60 aneurysms. (rsna.org)
This article summarizes the midterm results of using an endoluminal sleeve, the PED, in the treatment of aneurysms. (ajnr.org)
The application of mesh tube implants for the treatment of intracranial aneurysms was first proposed in the early 1990s. (ajnr.org)
A few clinical case reports, however, suggested that improved outcomes associated with the use of stents may be attributable to stent-induced modification of flow within and around the aneurysm, 12 , 13 providing the impetus for development of higher coverage endoluminal sleeves for the treatment of cerebral aneurysms. (ajnr.org)
The safety and feasibility of simple coil embolization and stent deployment for the treatment of posterior inferior cerebellar artery (PICA) aneurysms, as well as their radiologic and clinical results, have not been adequately understood. (koreamed.org)
Treatment decisions should be based on the clinical status of the patient, vascular anatomy of the aneurysm, and surgical or endovascular considerations. (medscape.com)
Prior to definitive aneurysm treatment, medical approaches involve control of hypertension, administration of calcium channel blockers, and prevention of seizures. (medscape.com)
Asymptomatic aneurysms greater than 10 mm should also be considered for treatment, accounting for age, coexisting medical conditions, and relative risks for treatment. (medscape.com)
Considerable surgical mortality and morbidity rates at 1 year (as high as 3.8% and 15.7%, respectively) have been demonstrated in preventive treatment of unruptured aneurysms. (medscape.com)
More recently, application of diffusion-weighted MRI has demonstrated silent thromboembolic events associated with endovascular treatment of unruptured cerebral aneurysms. (medscape.com)
Since the complete occlusion rates achieved with the currently available treatment methods are unsatisfactory, we aimed to study the effectiveness of a double-balloon-assisted technique for these aneurysms. (neurointervention.org)
From September 2014 to August 2020, 6 consecutive patients with PcomA aneurysms with fetal-type PCAs and no previous treatment were treated with this technique at our institution (3 ruptured cases and 3 unruptured cases). (neurointervention.org)
This double-balloon technique can be effective in the treatment of these aneurysms. (neurointervention.org)
Several types of endovascular treatment have been reported for these aneurysms, including the double-microcatheter technique, single balloon-assisted technique (advancing a balloon microcatheter into the ICA or PcomA), and single or Y-configuration stent-assisted technique [ 1 , 4 ]. (neurointervention.org)
From September 2014 to August 2020, 6 consecutive patients who had PcomA aneurysms with fetal-type PCAs and no previous treatment for these aneurysms were treated with double-balloon-assisted coil embolization at our institution. (neurointervention.org)
Unruptured Aneurysms: Diagnosis, Management and Treatment: Imaging paradigms of brain aneurysms, current thoughts on how to follow aneurysms which are being observed, different treatment options for unruptured aneurysms, including clipping, coiling, stent assisted coiling, flow diverter stent, flow disruptors, including the medical management of stent placement 4. (intechopen.com)
Larger aneurysms are at risk for incomplete occlusion status post WEB treatment. (neurosurgery.directory)
Larger, ruptured aneurysms with minimal difference in aneurysm and WEB diameter that fail to occlude immediately post-treatment are more likely to present as residual aneurysms at short-term follow-up 6) . (neurosurgery.directory)
[2] Generally treatment is recommended when the aneurysm is more than 7 mm in size. (mdwiki.org)
All treated aneurysms should be followed, regardless of modality or apparent initial treatment success. (neuroangio.org)

Quality-of-life issues, including the psychological morbidity of living with an unruptured intracranial aneurysm, also must be addressed. (medscape.com)

Long-Term Follow-Up of Cerebral Aneurysms Completely Occluded at 6?Months After Intervention with the Woven EndoBridge (WEB) Device: a Retrospective Multicenter Observational Study. (jefferson.edu)

The anatomical characterization and morphology of unruptured aneurysms are not readily standardized, however. (medscape.com)

The accessory meningeal artery (AMA) demonstrates various potential anastomoses with the external (ECA) and internal (ICA) carotid arteries. (nagoya-u.ac.jp)

For patient education resources, see the Headache Center , as well as Aneurysm, Brain . (medscape.com)
If an aneurysm ruptures, blood leaks into the space around the brain. (wikipedia.org)
A cerebral aneurysm , also known as a brain aneurysm , is when there is a localized ballooning of a blood vessel located around the brain . (mdwiki.org)

1 - 3 Early experimental work suggested 3 potential mechanisms of action: improved anatomic reconstruction of the parent artery, functional modification of flow across the orifice of the aneurysm, and biologic repair of the aneurysm neck by neointimal overgrowth. (ajnr.org)
The aneurysm was irregularly fusiform in nature with a shallow PICA orifice (1.4 mm) and narrow caliber (0.9-1.5 mm). (koreamed.org)

Between February 2007 and July 2008, a total of 19 aneurysms in 18 patients were treated at the National Institute of Neurosurgery, Budapest. (ajnr.org)

Microaneurysms, also known as Charcot-Bouchard aneurysms, typically occur in small blood vessels (less than 300 micrometre diameter), most often the lenticulostriate vessels of the basal ganglia, and are associated with chronic hypertension. (wikipedia.org)

We evaluated the effect of Solitaire Platinum 4×40 mm stent retriever in Solumbra technique thrombectomy, and compared it with shorter Solitaire stent retrievers. (bvsalud.org)

In all patients, the fetal-type PCAs were preserved without a stent and with adequate occlusion status. (neurointervention.org)

Complete occlusion of the aneurysm sac and neck was achieved in 148 aneurysms, subtotal occlusion in 18, and incomplete occlusion in three. (rsna.org)

We performed bifemoral puncture and chose additional route from right vertebral artery to left vertebrobasilar junction for retrograde approach and deployment of LVIS Jr. intraluminal support at proximal PICA. (koreamed.org)

7) Furthermore, the safety and feasibility of stent assist coil embolization of proximal PICA aneurysms with narrow caliber are not precisely known, including their radiologic and clinical results. (koreamed.org)

The incidence of intracranial aneurysms is not known with certainty but is estimated to be in the range of 1-6% of the population. (medscape.com)
The true incidence of intracranial aneurysms is unknown but is estimated at 1-6% of the population. (medscape.com)
Prevalence/Incidence of aneurysms: Discussion of current state of aneurysm prevalence and how it differs in different populations 3. (intechopen.com)

Anatomy32

Organisms2

Diseases39

Chemicals and Drugs12

Analytical, Diagnostic and Therapeutic Techniques and Equipment37

Phenomena and Processes6

Technology, Industry, Agriculture1

Health Care6

Subarachnoid hemorrhage8

Ruptured and unruptured aneurysms2

Posterior commun2

Internal caroti4

Rupture14

Vertebral arteries1

Multiple aneurysms2

Bifurcation4

Angiography7

Less than 10 mm1

Left vertebral artery2

Development of intracranial3

Neck of the aneurysm1

Patients who underwent5

Fusiform aneurysms1

Recanalization6

Recurrence5

Acutely ruptured1

Berry aneurysms2

Saccular aneurysms2

Cerebral artery2

Stenosis4

Management of unruptured2

Polycystic kidney1

Intracranial artery1

Acute ischemic stroke1

Conclusions1

Complications6

Retrospective study3

Wide neck3

Embolization Device2

Retreatment rates1

Endovascular techniques1

Thrombosis1

Anterior1

Flow disruption1

Small caliber1

Distal1

Treatment30

Morbidity1

Woven EndoBridge1

Morphology1

Carotid1

Brain3

Orifice2

Neurosurgery1

Blood vessels1

Thrombectomy1

Occlusion status1

Incomplete occlusion1

Vertebrobasilar1

Clinical results1

Incidence3