AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPhenomena and ProcessesHealth Care
Basilar ArteryVertebrobasilar InsufficiencyArterial Occlusive DiseasesBrain Stem InfarctionsCerebral AngiographyRetinal Artery OcclusionVertebral ArteryComaMechanical ThrombolysisSkull Fracture, BasilarThrombolytic TherapyInjections, Intra-ArterialFibrinolytic AgentsSkull Fracture, DepressedArteriesCerebral ArteriesTissue Plasminogen ActivatorTomography, X-Ray ComputedCerebral InfarctionInfarction, Middle Cerebral ArteryMagnetic Resonance AngiographyPonsBrain StemCerebrovascular CirculationTreatment OutcomeInfusions, Intra-ArterialBrain IschemiaStrokeHeadacheUltrasonography, Doppler, TranscranialCarotid Artery, InternalCarotid ArteriesPulmonary ArteryFemoral ArteryAcute DiseaseIschemic Attack, TransientCoronary OcclusionInjections, IntravenousSubarachnoid HemorrhageCerebral Arterial DiseasesDogsMiddle Cerebral ArteryCarotid Artery DiseasesRenal ArteryIntracranial AneurysmMesenteric ArteriesVasospasm, IntracranialBalloon OcclusionIliac ArteryCollateral CirculationVasodilationDisease Models, AnimalProspective StudiesReperfusionConstrictionTime FactorsVasoconstrictionCoronary VesselsEmbolization, TherapeuticRetinal Vein OcclusionBrainRats, Sprague-DawleyCircle of WillisAngiographyMuscle, Smooth, VascularAngiography, Digital SubtractionCoronary Artery BypassSubclavian ArteryRadial ArteryCarotid Artery ThrombosisCarotid StenosisVasodilator AgentsBrain InfarctionNeuroprotective AgentsIntracranial Embolism and ThrombosisRegional Blood FlowStentsOphthalmic ArteryHemodynamicsMammary ArteriesCarotid Artery, CommonConstriction, PathologicCerebral RevascularizationRabbitsCarotid Artery, ExternalCeliac ArteryReperfusion InjurySplenic ArteryCoronary DiseaseMyocardial InfarctionMesenteric Vascular OcclusionCoronary CirculationMesenteric Artery, SuperiorSerotoninSubclavian Steal SyndromeRats, WistarBlood PressureAneurysm, RupturedLigationBrain Edema
Acute basilar artery occlusionMiddle CerebrLarge vessel occlusionStrokeSecondary to Vertebral Artery DisAneurysmMechanical thrombectomyForm the basilar arteryVertebral or basilarStenosisSuperior cerebellar arteriesAneurysmsAngiographyInfarctionVesselStentThrombosisBilateralDistal basilarCoronary arteryCommon carotiOutcomeThrombolysisDiabetes mellitusPosterior circulationArterial occlusionProximalCircumferentialPatientsCerebellar arterySubclavian arteriesSyndromeDissectionAnatomyCerebral ArteryPulmonary arteryBranchesOcclusivePontomedullary junctionAortic archBrainPotentiallyPCAs
Acute basilar artery occlusion10
  • Aims To evaluate the efficacy and safety of mechanical thrombectomy with the Solitaire FR device in revascularization of patients with acute basilar artery occlusion (ABAO) and to identify the predictive factors for clinical outcome. (bmj.com)
  • Acute basilar artery occlusion: diffusion-perfusion MRI characterizati" by Jill L Ostrem, Jeffrey L Saver et al. (lvhn.org)
  • Acute basilar artery occlusion: diffusion-perfusion MRI characterization of tissue salvage in patients receiving intra-arterial stroke therapies. (lvhn.org)
  • METHODS: Patients with acute basilar artery occlusion treated with intra-arterial thrombolytics were studied with multimodal MRI before treatment, several hours after treatment, and at day 7. (lvhn.org)
  • However, little is known regarding the effect of the evolvement of endovascular revascularization therapy (ERT) in acute basilar artery occlusion (BAO). (j-stroke.org)
  • Acute basilar artery occlusion (BAO) is a rare cause of stroke with a high mortality rate and an often poor clinical outcome among survivors [ 1 , 2 ]. (j-stroke.org)
  • Acute basilar artery occlusion treated by thromboaspiration in a cocai. (erowid.org)
  • The benefit of endovascular therapy for acute basilar artery occlusion strokes continued to hold up at 1 year in an observational study, though over half of treated patients had died by then. (medpagetoday.com)
  • Postpartum Acute Basilar Artery Occlusion Secondary to Vertebral Artery Dissection. (jccm.ro)
  • Acute basilar artery occlusion secondary to spontaneous vertebral artery dissection in the postpartum period is an infrequent entity and a major diagnostic and treatment challenge. (jccm.ro)
Middle Cerebr2
  • 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)
  • This artery arises from the common carotid artery in the neck, entering the head at skull base via the carotid canal, and terminates at the bifurcation into the anterior cerebral artery (ACA) and middle cerebral artery (MCA). (medscape.com)
Large vessel occlusion4
  • In the last decade, several randomized clinical trials demonstrated the role of CT perfusion (CTP) in evaluating anterior circulation large vessel occlusion (LVO) patients eligible for endovascular thrombectomy (EVT). (rapidai.com)
  • Specialist Perspectives on the Imaging Selection of Large Vessel Occlusion in the Late Window. (bu.edu)
  • 1 Subsequently, the DEFUSE 3 2 and DAWN 3 trials have revealed that patients who had an acute ischaemic stroke (AIS) beyond 6 hours due to large vessel occlusion (LVO) can benefit from EVT by using strict imaging selection criteria. (bmj.com)
  • Endovascular therapy (EVT) is now the standard of care for treatment of acute ischemic stroke due to large-vessel occlusion (LVO). (jointcommission.org)
Stroke11
  • The challenge of basilar artery occlusion wake-up stroke: too late for intravenous thrombolysis? (unicatt.it)
  • After performing a CT angiography, which showed complete basilar occlusion, we determined the MR DWI-FLAIR mismatch to estimate the stroke onset time. (unicatt.it)
  • Wake-up stroke constitutes about 14 % of all strokes, while the percentage of basilar artery occlusion wake-up strokes is still unknown. (unicatt.it)
  • The risk factors for basilar artery thrombosis are the same as those seen generally in stroke . (medscape.com)
  • The mechanism of stroke in basilar artery occlusion differs depending on the segment of the vessel involved. (medscape.com)
  • ESOC 2023 No Added Benefit From Revascularization in Low-Risk CAS Optimized medical therapy may be enough in patients with carotid artery stenosis who have a low to intermediate stroke risk, after the ESCT-2 trial showed no benefit from adding revascularization. (medscape.com)
  • Endovascular Benefit Finally Confirmed for Basilar Artery Stroke The benefit of endovascular therapy in the treatment of stroke caused by an occlusion of the basilar artery has finally been confirmed in the ATTENTION randomized controlled trial. (medscape.com)
  • That injury tore an artery in her neck and cut off blood flow to her brain, which led to the stroke that killed her. (scienceblogs.com)
  • This paper reports a case where a patient suffered a vertebrobasilar stroke secondary to a traumatic bilateral vertebral arteries dissection was treated with late thrombectomy. (jccm.ro)
  • BAOCHE trial results supporting thrombectomy for basilar artery stroke published in. (neuronewsinternational.com)
  • A randomised controlled trial (RCT) involving 300 patients found that functional outcomes among basilar artery occlusion stroke patients "did not differ significantly" with endovascular. (neuronewsinternational.com)
Secondary to Vertebral Artery Dis1
  • We are reporting a case of a 31-year-old male who presented with acute onset dizziness while playing badminton, who was diagnosed as cerebellar vermis infarction secondary to vertebral artery dissection. (sciencegate.app)
Aneurysm10
  • 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)
  • Besides one basilar apex aneurysm, all aneurysms were located at the anterior communicating artery (AComA) complex. (springer.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)
  • Complete occlusion of the aneurysm sac and neck was achieved in 148 aneurysms, subtotal occlusion in 18, and incomplete occlusion in three. (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)
  • The efficacy of endosaccular aneurysm occlusion in alleviating neurological deficits produced by mass effect. (rsna.org)
  • Intravascular stent and endovascular coil placement for a ruptured fusiform aneurysm of the basilar artery. (keyopinionleaders.com)
Mechanical thrombectomy1
Form the basilar artery1
  • They enter the skull through the foramen magnum and merge at the pontomedullary junction to form the basilar artery. (medscape.com)
Vertebral or basilar2
  • Approximately 15% of acute ischemic strokes are due to LVOs in the vertebral or basilar artery. (rapidai.com)
  • As part of the second discussion, I pointed out that, while the evidence base supporting chiropractic manipulation as a cause of strokes due to occlusion of the vertebral or basilar arteries is pretty convincing, the evidence that chiropractic manipulation can cause carotid artery injury is much less convincing. (scienceblogs.com)
Stenosis5
  • If the proximal segment of the basilar artery is occluded and the occlusion has resulted from a slowly progressive stenosis, collateralization occurs within the cerebellum into the circumferential branches of the basilar artery. (medscape.com)
  • Compromise of perforating branches of the basilar artery resulting in brain stem infarctions has been described as a major complication of intracranial stent placement for basilar artery stenosis or after implantation of endovascular flow diverters. (ajnr.org)
  • Guidelines have been laid down for the approach to patients with asymptomatic carotid artery stenosis. (neurologyindia.com)
  • She had a history of surgery for arterial septal defect closure, mitral valve angioplasty for mitral regurgitation, and coronary artery bypass graft surgery for coronary artery stenosis. (surgicalneurologyint.com)
  • Medications at the time of admission included clopidogrel 75 mg daily for coronary artery stenosis. (surgicalneurologyint.com)
Superior cerebellar arteries2
  • Proximal to its bifurcation into the terminal branches (ie, PCA), the basilar artery gives off the superior cerebellar arteries that supply the lateral aspect of the pons and midbrain and the superior surface of the cerebellum. (medscape.com)
  • The cerebellum is supplied by long circumferential arteries, the PICA, and the anterior inferior and superior cerebellar arteries from the basilar artery. (medscape.com)
Aneurysms3
  • Patients with dissecting or fusiform aneurysms, aneurysms treated with parent artery sacrifice, aneurysms associated with brain arteriovenous malformations, and mycotic aneurysms were excluded from the subjects. (ajnr.org)
  • Flow diversion for internal carotid artery aneurysms with compressive neuro-ophthalmologic symptoms: clinical and anatomical results in an international multicenter study. (uniklinikum-dresden.de)
  • Clipping was feasible and safe in all aneurysms, and complete occlusion was achieved in 4 of 5 aneurysms. (springer.com)
Angiography4
Infarction5
Vessel1
  • 2-6 The success of these recent trials is attributable to using advanced imaging to select patients with large vessel occlusions (LVO), focusing on rapid progression from triage to endovascular therapy and using modern thrombectomy devices and techniques. (bmj.com)
Stent2
  • The patient underwent endovascular intervention with dilation of the narrowed vertebral artery and stent retriever basilar artery thrombectomy, with a favourable clinical outcome. (jccm.ro)
  • 7 - 9 ] We report a case of internal carotid artery (ICA) occlusion with PPTA who was successfully treated with a combined MT technique using a balloon guide catheter (BGC), an aspiration catheter, and a stent retriever. (surgicalneurologyint.com)
Thrombosis3
  • Acute basilar artery thrombosis is associated with a poor prognosis. (medscape.com)
  • Although outcomes continue to be poor in patients with basilar artery thrombosis, advances in pharmacologic and mechanical thrombolysis and in endovascular therapy may reduce the mortality and disability rates associated with this disease. (medscape.com)
  • Given the anatomy of the posterior circulation and the circle of Willis, the clinical manifestations of basilar artery thrombosis depend on the location of the occlusion, the extent of the thrombus, and the collateral flow. (medscape.com)
Bilateral4
Distal basilar2
  • Additionally, flow can be reversed from the PCAs into the distal basilar artery. (medscape.com)
  • The microvascular anatomy of the vertebrobasilar junction and the distal basilar tip has been described in detail in the neurosurgical and neuroradiologic literature. (ajnr.org)
Coronary artery1
  • Putting a venous external support device over saphenous vein grafts showed mixed results at prolonging graft durability after coronary artery bypass surgery, according to a small trial presented at the American Heart Association (AHA) annual meeting. (medpagetoday.com)
Common caroti1
  • Lateral projection of a left common carotid artery injection that displays the order of branching in the intracranial carotid, including 1: ophthalmic, 2: posterior communicating, 3: anterior choroidal, and 4: anterior cerebral arteries. (medscape.com)
Outcome1
Thrombolysis2
  • CONCLUSIONS: In this first report of diffusion-perfusion MRI in patients with acute basilar artery occlusions treated with intra-arterial thrombolysis, significant mismatch was visualized on pretreatment studies, suggesting that large volumes of salvageable tissue were present. (lvhn.org)
  • Although thrombolysis in patients with unknown-onset time is still an off-label therapy, basilar artery occlusion is a potentially fatal event. (unicatt.it)
Diabetes mellitus1
  • The relationships among diabetes mellitus (DM), brainstem infarctions (BSIs) and involvement of the basilar artery (BA) were investigated in 254 patients with acute cerebral infarctions detected on magnetic resonance (MR) imaging. (karger.com)
Posterior circulation3
  • Similar studies have not been reported with posterior circulation occlusions. (lvhn.org)
  • The basilar artery is the most important artery in the posterior circulation. (medscape.com)
  • MT using a combined technique with BGC would be useful to prevent embolization to the posterior circulation through the PPTA in cases of ICA occlusion with PPTA. (surgicalneurologyint.com)
Arterial occlusion1
  • Reperfusion past the target arterial occlusion and into the distal arterial bed and terminal branches, in conjunction with recanalization of the target arterial occlusion, demonstrates flow restoration or revascularization. (jointcommission.org)
Proximal2
  • It normally arises at the junction of the proximal and middle third of the basilar artery and supplies the lateral pontine tegmentum, brachium pontis or middle cerebellar peduncle, flocculus, and a small part of the anterior cerebellum. (medscape.com)
  • 5 ⇓ - 7 Remarkably, there are no comparable descriptions of the proximal and middle portion of the basilar artery in the imaging and neurosurgical literature. (ajnr.org)
Circumferential1
  • Collateral pathways between circumferential and perforating arteries are occasionally detectable. (ajnr.org)
Patients4
  • BACKGROUND AND PURPOSE: Diffusion-perfusion MRI in patients with anterior circulation occlusions has demonstrated salvage of threatened tissue after thrombolytic therapy. (lvhn.org)
  • This has illustrated that some patients have an acute partial occlusion or a slow progressive occlusion with limited ischemic injury and, therefore, a better prognosis. (medscape.com)
  • Endovascular therapy versus no endovascular therapy in patients receiving best medical management for acute isolated occlusion of the posterior cerebral artery: A systematic review and meta-analysis. (uniklinikum-dresden.de)
  • Is triptan use by migraine patients linked to spontaneous coronary artery dissection ? (medpagetoday.com)
Cerebellar artery2
Subclavian arteries1
  • 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)
Syndrome2
  • Aortic arch syndrome refers to a group of signs and symptoms associated with structural problems in the arteries that branch off the aortic arch. (medlineplus.gov)
  • Her severe headache preceding the manipulations, along with recurrent, painful, oral and genital ulcers (recurrent aphthous stomatitis), cerebrospinal fluid pleocytosis, and brainstem involvement after a vertebral artery dissection, raised concern for Behçet syndrome and eventually neurologic involvement of Behçet syndrome. (sciencegate.app)
Dissection2
Anatomy2
  • Vertebral artery anatomy. (scienceblogs.com)
  • Generally, chiropractors describe this as "high velocity, low amplitude" (HVLA), which it is, but, given the constraints of vertebral artery anatomy, high amplitude is not required to cause injury. (scienceblogs.com)
Cerebral Artery1
  • The PCoA extends posteriorly to connect with the primary segment of the posterior cerebral artery (PCA), allowing collateral flow to pass between the anterior and posterior circulations. (medscape.com)
Pulmonary artery2
  • Preoperative pulmonary artery dilatation on CT was associated with mortality within 2 years after transcatheter aortic valve replacement. (medpagetoday.com)
  • Blood samples and four blood vessels, the aorta, superior vena cava, pulmonary vein and pulmonary artery, were obtained from 11 slaughtered sheep. (who.int)
Branches9
  • Normally, the blood flows in an anterograde fashion from the vertebral arteries to the basilar artery up to its terminal branches. (medscape.com)
  • however, there is a lack of consistent presentation of the small branches of the basilar artery in the imaging literature. (ajnr.org)
  • On 2D and 3D DSA images, small arterial side branches of the basilar artery can be demonstrated in each of the cases but with a wide variation in the visibility of these vessels. (ajnr.org)
  • Compared with 2D DSA images, 3D DSA reconstructions allow superior visualization of the small branches of the basilar artery. (ajnr.org)
  • No zone of basilar artery is free from important side branches. (ajnr.org)
  • 4 We hypothesized that the 3D-rotation technique allows superior visualization of the small branches of the basilar artery than 2D DSA images do. (ajnr.org)
  • The medulla is perfused by the PICA and by direct, smaller branches from the vertebral arteries. (medscape.com)
  • The pons is perfused by small, penetrating branches from the basilar artery and its major branches. (medscape.com)
  • The cavernous segment averages 39 mm in length and gives rise to far more branches, including the meningohypophyseal trunk, the anterior meningeal artery, the artery to the inferior portion of the cavernous sinus, and the ophthalmic artery. (medscape.com)
Occlusive1
  • Atherosclerotic occlusive disease predominantly affects the midsegment of the basilar artery, followed by the vertebrobasilar junction. (medscape.com)
Pontomedullary junction1
  • It is formed at the pontomedullary junction by the confluence of both vertebral arteries. (medscape.com)
Aortic arch2
  • The aortic arch is the top part of the main artery carrying blood away from the heart. (medlineplus.gov)
  • The internal carotid artery (ICA) embryologically develops from the third primitive aortic arch. (medscape.com)
Brain4
  • Basically, two very important arteries that supply blood to the brain pass through the two highest vertebrae, the atlas (C1, so named because it was thought to support the head the way the mythical Atlas held up the earth) and the axis (C2). (scienceblogs.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)
  • Arteries to the brain on magnetic resonance angiogram (MRA). (medscape.com)
Potentially1
  • It's not difficult to see how a rapid rotation of the head could potentially stretch the basilar arteries. (scienceblogs.com)
PCAs2