Intracranial aneurysmAngiographyMiddle cerebrSubarachnoidEmbolizationRuptureInternal carotiManagement of intracranial aneurysmsArteriovenous MalformationsBrain aneurysmsCoilFusiform aneurysmSaccular aneurysmsStentNeurosurgeryVesselMicrosurgicalArtery occlusionVascularFlow-diverterAngiographicIncomplete occlusion2021RevascularizationRuptured and unruptured intracranial aneurysmsRecurrenceCONCLUSIONSIschemicHemorrhageThrombosisBerry aneurysmMethodsCoilsAnterior communicating aWide-necked bifurcation aneurysmsComplicationsMorbidity and mortaBalloon occlusion testThrombusSurgicalNeuroInterventional SurgeryPatientsPosterior circulationAbstractEndovascular approachUnruptured aneurysms treatedNeurosurgicalPathophysiologyMorphology
Intracranial aneurysm8
- Quality-of-life issues, including the psychological morbidity of living with an unruptured intracranial aneurysm, also must be addressed. (medscape.com)
- Four consecutive patients with a wide-necked intracranial aneurysm were treated with a combined approach that consisted of delivery of a flexible self-expanding neurovascular stent through a microcather to cover the neck of the aneurysm and subsequent filling of the aneurysm with coils through the stent interstices. (ajnr.org)
- age range, 43-49 years) with a wide-necked intracranial aneurysm were treated with the Neuroform microdelivery stent system (Smart Therapeutics, Inc./Boston Scientific, San Leandro, CA) and detachable platinum coils. (ajnr.org)
- We developed an artificial neural network (ANN) to predict the safe clipping time of temporary artery occlusion (TAO) during intracranial aneurysm surgery. (sharif.edu)
- A brain aneurysm (also called a cerebral aneurysm or an intracranial aneurysm ) is a ballooning arising from a weakened area in the wall of a blood vessel in the brain. (hopkinsmedicine.org)
- Intraprocedural aneurysm rupture and thrombus formation are serious complication s during coiling of ruptured intracranial aneurysm s, and they more often occur in patients with anterior communicating artery aneurysm s. (neurosurgery.directory)
- Cerebral Angiography under Artificial Intelligence Algorithm in the Design of Nursing Cooperation Plan for Intracranial Aneurysm Patients in Craniotomy Clipping. (cdc.gov)
- Prediction of Intracranial Aneurysm Risk using Machine Learning. (cdc.gov)
Angiography19
- Regression or evolution of these aneurysms is monitored with serial angiography. (medscape.com)
- In an era of indocyanine angiography (ICG), the routine use of intra-operative angiography (IOA) in the surgical treatment of intracranial aneurysms and arteriovenous malformation (AVM) is controversial. (cns.org)
- To evaluate the stability of aneurysm occlusion at follow-up angiography after endovascular treatment (EVT) with detachable coils in intracranial berry aneurysms. (rsna.org)
- Of the 169 cases, last follow-up angiography showed total occlusion in 133 cases, subtotal in 30, and incomplete in six. (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)
- Digital subtraction angiography showed a very small aneurysm in the dorsal side of the AcomA. (surgicalneurologyint.com)
- Cerebral digital subtraction angiography (DSA) revealed a very small aneurysm in the dorsal side of the AcomA [ Figure 1a and b ]. (surgicalneurologyint.com)
- Since the MR angiography showed no apparent occlusion and she was in the postoperative course, we treated her with low molecular weight dextran as a plasma volume expander and to decrease platelet aggregation, and with hydrocortisone for possible adrenal insufficiency. (surgicalneurologyint.com)
- another series found aneurysms in 1% of patients undergoing four-vessel cerebral angiography for indications other than subarachnoid hemorrhage (SAH). (medscape.com)
- The immediate postprocedural digital subtraction angiography revealed complete aneurysm occlusion in 86.9% of the cases. (neurosurgery-blog.com)
- A brain aneurysm is often discovered after it has ruptured or by chance during diagnostic exam, such as computed tomography (CT scan), magnetic resonance imaging (MRI), or angiography that are being done for other reasons. (hopkinsmedicine.org)
- Digital subtraction angiography (DSA) confirmed the presence of supergiant aneurysm ( Fig. 1A C ) Further, balloon occlusion test (BOT) of left ICA was suggestive of moderate cross flow from right ICA across anterior communicating (Acomm) artery. (ruralneuropractice.com)
- We treated the aneurysms with a multimodal approach and performed angiography to examine aneurysm regrowth at the 12 months follow-up. (yonsei.ac.kr)
- 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)
- 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)
- Cerebral angiography involves an injection of contrast dye into the neck and brain arteries. (penumbrainc.com)
- Robotic Diagnostic Cerebral Angiography: A Multicenter Experience of 113 Patients. (ucla.edu)
- Artificial Intelligence Application to Screen Abdominal Aortic Aneurysm Using Computed tomography Angiography. (cdc.gov)
- Multidimensional Deep Learning Reduces False-Positives in the Automated Detection of Cerebral Aneurysms on Time-Of-Flight Magnetic Resonance Angiography: A Multi-Center Study. (cdc.gov)
Middle cerebr4
- 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)
- 12 ] Other sites are atypical, such as the anterior communicating artery (AcomA), anterior cerebral artery, middle cerebral artery, posterior cerebral artery, and basilar artery. (surgicalneurologyint.com)
- Typically, the intracranial internal carotid artery or middle cerebral artery are treated, and may include more than one occlusion. (nvqi-qod.org)
- 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)
Subarachnoid6
- White arrow on black card marks site of ruptured berry aneurysm in circle of Willis (major cause of subarachnoid hemorrhage). (medscape.com)
- The first evidence of a brain aneurysm is most often a subarachnoid hemorrhage (SAH), due to rupture of the aneurysm. (hopkinsmedicine.org)
- Subarachnoid hemorrhage (SAH) caused by ruptured intracranial aneurysms is one of the most common cerebrovascular diseases ( 1 ). (frontiersin.org)
- She was a Hunt/Hess 3, Fisher 4, and here you can see her CAT scan showing the blood pattern as well here on the CT angiogram, which we routinely get once we see a subarachnoid hemorrhage pattern demonstrating what appears to be a carotid type of blowout or a fusiform enlargement of this aneurysm. (neurosurgicalatlas.com)
- However, in the setting of a ruptured aneurysm and subarachnoid hemorrhage, where the patient will likely require ventriculostomy, extensive ICU care with invasive lines, we tend to avoid or try to avoid the use of stents or flow divers due to the need for Plavix. (neurosurgicalatlas.com)
- This 64-year-old man presented with subarachnoid hemorrhage due to a ruptured dissecting aneurysm of left proximal PICA. (koreamed.org)
Embolization9
- The combination of endovascular reconstruction of the parent vessel with use of a self-expanding stent followed by coil embolization offers a promising therapeutic alternative for wide-necked aneurysms not amenable to coil embolization alone. (ajnr.org)
- We studied the technical feasibility and efficacy of a new, extremely flexible, self-expanding neurovascular stent in combination with subsequent coil embolization for the treatment of wide-necked intracranial aneurysms. (ajnr.org)
- All ICA BBAs that were treated by endosaccular coil embolization exhibited regrowth of the aneurysm. (nih.gov)
- We enrolled 245 patients with ruptured tiny intracranial aneurysms treated with coil embolization. (frontiersin.org)
- from Hospital Universitario Reina SofÃa aimed to report the characteristics of patients suffering intra- or peri-procedural ruptures during embolization of cerebral aneurysm s. (neurosurgery.directory)
- Pipeline embolization device (PED) has proved its safety and efficacy in the treatment of intracranial large and giant side-wall aneurysms. (biomedcentral.com)
- 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)
- 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)
- 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)
Rupture12
- 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)
- no cerebral contusion, premature rupture, or brain swelling. (surgicalneurologyint.com)
- 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)
- 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)
- If the brain aneurysm expands and the blood vessel wall becomes too thin, the aneurysm will rupture and bleed into the space around the brain. (hopkinsmedicine.org)
- Smaller aneurysms may have a lower risk of rupture. (hopkinsmedicine.org)
- For subgroup analysis, LVIS stents were associated with a significantly higher rate of complete occlusion ( P = 0.014) and a lower rate of intraprocedural rupture ( p = 0.021). (frontiersin.org)
- Aneurysm rupture during endovascular therapy is unpredictable, and its occurrence can be devastating. (neurosurgery.directory)
- Anterior communicating artery aneurysm s and those treated with balloon catheter s have a higher incidence of rupture. (neurosurgery.directory)
- Can We Explain Machine Learning-based Prediction For Rupture Status Assessments of Intracranial Aneurysms? (cdc.gov)
Internal caroti7
- The aneurysms were located at the internal carotid artery (n=2) and the basilar tip encroaching the P1 segment (n=2). (ajnr.org)
- Blister-like aneurysms are usually located in the internal carotid artery, whereas that of the anterior communicating artery (AcomA) are very rare. (surgicalneurologyint.com)
- Treatment with a single stent could achieve complete occlusion especially if the aneurysms occur elsewhere than the internal carotid artery. (surgicalneurologyint.com)
- Most of the blister-like aneurysms are located in non-branching sites of the internal carotid artery. (surgicalneurologyint.com)
- Because of its thin wall, an aneurysm arising from the posterior wall of the internal carotid artery (ICA), the so-called blood blister-like aneurysm (BBA), is difficult to manage surgically and is often associated with high morbidity and mortality rates. (nih.gov)
- Contrast enhanced MR revealed a supergiant aneurysm (6.1 × 3.6 × 3.4 cm) in cavernous segment of left internal carotid artery (ICA). (ruralneuropractice.com)
- Since its approval by FDA in 2011, PED (ev3, USA) has proved its safety and efficacy in the treatment of large and giant intracranial aneurysms from the petrous to the superior hypophyseal segment of the internal carotid artery [ 1 , 2 ]. (biomedcentral.com)
Management of intracranial aneurysms2
- Our understanding of the pathophysiology and management of intracranial aneurysms (IAs) continuously advances. (hippokratia.gr)
- Deep Learning in the Management of Intracranial Aneurysms and Cerebrovascular Diseases: A Review of the Current Literature. (cdc.gov)
Arteriovenous Malformations3
- Endovascular, surgical and radiosurgical procedures for the treatment of cerebral arteriovenous malformations. (nvqi-qod.org)
- He's going to be talking to us about controversial and cutting edge applications of endovascular techniques in management of aneurysms, ischemic disease, and arteriovenous malformations. (neurosurgicalatlas.com)
- Less common causes are mycotic aneurysms, arteriovenous malformations, and bleeding disorders. (msdmanuals.com)
Brain aneurysms8
- Topic: Chapter discussing the indications for treatment of brain aneurysms, endovascular techniques, tips and tricks. (intechopen.com)
- 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)
- Complication Avoidance: Tips and tricks to avoid complications in the treatment of brain aneurysms. (intechopen.com)
- Most brain aneurysms have no symptoms and are small in size (less than 10 millimeters, or less than four-tenths of an inch, in diameter). (hopkinsmedicine.org)
- Brain Aneurysms Brain aneurysms are focal dilations in the cerebral arteries. (msdmanuals.com)
- In the United States, brain aneurysms occur in 3 to 5% of people. (msdmanuals.com)
- Brain aneurysms can occur at any age but are most common among. (msdmanuals.com)
- Your donations are used to enhance the research and treatment of brain aneurysms, AVM and hemorrhagic strokes, while supporting patients and families through the recovery process. (joeniekrofoundation.com)
Coil8
- Despite enormous advancement in the development of flexible microcatheters, coil configurations, and embolic materials, wide-necked aneurysms still remain a therapeutic challenge. (ajnr.org)
- The geometry of wide-necked aneurysms sometimes makes it impossible to treat the aneurysm through the endovascular route or at least reduces the possibility of obtaining satisfactory coil packing. (ajnr.org)
- The nonsaccular morphology of these aneurysms may render them unsuitable for endovascular coil placement, and may complicate their microsurgical management. (barrowneuro.org)
- Endovascular coil embolisation was performed for 6 aneurysms, stent-assisted coil embolisation was performed for 2 aneurysms, and 2 aneurysms were treated by endovascular occlusion of the parent artery. (elsevierpure.com)
- Multiple treatment options described for giant aneurysm in the literature include direct clipping, excision of aneurysm, gradual ICA ligation, parent vessel occlusion with or without revascularization, trapping of aneurysm with or without revascularization, flow diverter, and coil occlusion of aneurysm. (ruralneuropractice.com)
- We sometimes place one coil to dampen the inflow into the aneurysm and to augment the thrombosis that the aneurysm will experience once we place a flow diverter. (neurosurgicalatlas.com)
- So now we have complete occlusion of the aneurysm with one coil and one flow diverter, and that jet that we're seeing here is no longer present. (neurosurgicalatlas.com)
- Intravascular stent and endovascular coil placement for a ruptured fusiform aneurysm of the basilar artery. (keyopinionleaders.com)
Fusiform aneurysm3
- The technique of using an intravascular stent to create a bridging scaffold followed by endovascular placement of coils through the interstices of the stent into a wide-necked or fusiform aneurysm has been described in experimental studies ( 3 - 5 ) and in humans ( 6 - 14 ). (ajnr.org)
- And the first case is of a giant, dissecting/fusiform aneurysm. (neurosurgicalatlas.com)
- So here you can see the angiogram showing again, the large carotid fusiform aneurysm. (neurosurgicalatlas.com)
Saccular aneurysms3
- 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)
- Endovascular treatment had excellent anatomical and clinical outcomes for non-mass compressing, non-giant, saccular aneurysms. (elsevierpure.com)
- PCKD is the most common medical disease associated with saccular aneurysms. (hopkinsmedicine.org)
Stent16
- We assessed the technical feasibility and efficacy of the combined application of a flexible, self-expanding neurovascular stent and detachable coils in the management of wide-necked intracranial aneurysms in humans. (ajnr.org)
- Stent placement in the desired position with complete or nearly complete occlusion of the aneurysms was feasible in all patients. (ajnr.org)
- Preliminary data demonstrate that this extremely flexible stent is technically easy to deploy and can be easily and safely maneuvered through severely tortuous vessels, enabling the treatment of intracranial wide-necked aneurysms. (ajnr.org)
- We report the first case of blister-like aneurysm of AcomA that was treated solely with a neck bridging stent that resulted in complete occlusion without complication. (surgicalneurologyint.com)
- Monotherapy with a neck bridging stent is an effective treatment option for blister-like aneurysms. (surgicalneurologyint.com)
- We report the first case of a blister-like aneurysm of the AcomA that was treated solely with the Low-profile Visualized Intraluminal Support Junior (LVIS Jr.) stent that achieved complete occlusion without complication. (surgicalneurologyint.com)
- Dual-stent-assisted coiling techniques have been defined to treat bifurcation aneurysms with a complex neck morphology. (neurosurgery-blog.com)
- Stent plus balloon-assisted coiling is a recently described endovascular technique that enables the coiling of wide-necked complex bifurcation aneurysms by implanting only a single stent. (neurosurgery-blog.com)
- METHODS: A retrospective review was performed of patients with wide-necked intracranial bifurcation aneurysms treated with stent plus balloon-assisted coiling. (neurosurgery-blog.com)
- CONCLUSION: The results of this study showed that stent plus balloon-assisted coiling is a feasible, effective, and relatively safe endovascular technique for the treatment of widenecked bifurcation aneurysms located in the posterior and anterior circulation. (neurosurgery-blog.com)
- Stent plus balloon-assisted coiling is a recently described endovascular technique that enables the coiling of wide-necked complex bifur cation aneurysms by implanting only a single stent. (neurosurgery-blog.com)
- This study aims to compare the safety and efficacy of stent-assisted coiling (SAC) with those of coiling alone (CA) for the treatment of ruptured tiny intracranial aneurysms. (frontiersin.org)
- Simultaneously, considering the better long-term effect, LVIS stent-assisted coiling may be a preferable choice for ruptured tiny intracranial aneurysms. (frontiersin.org)
- Simultaneously, previous studies indicated that the stent-assisted coiling (SAC) technique was associated with a higher complete occlusion rate and lower recurrence rate at follow-up compared with coiling alone (CA) in ruptured intracranial aneurysms ( 7 , 8 ). (frontiersin.org)
- Since its debut as an endovascular aid, Neuroform stents (Stryker, Kalamazoo, MI, USA) were quickly followed by other stents, and each stent targets aneurysms of specific shapes and parent patterns ( 11 ). (frontiersin.org)
- The authors demonstrate the technical feasibility of using intravascular stents in conjunction with electrolytically detachable coils (Guglielmi detachable coils [GDCs]) for treatment of fusiform, broad-based, acutely ruptured intracranial aneurysms and review the literature on endovascular approaches to ruptured aneurysms and cerebral stent placement. (keyopinionleaders.com)
Neurosurgery1
- Cerebral vascular pathology comprises the major part of neurology and neurosurgery. (hindawi.com)
Vessel9
- Vascular occlusion is a blockage of a blood vessel, usually with a clot. (wikipedia.org)
- The reason for the readjustment was residual aneurysm in 54.7%, parent vessel occlusion in 42.9%, and both findings in 2.4% of cases. (cns.org)
- Although immediate angiographic results are promising, long-term angiographic and clinical follow-up is essential to determine permanent vessel patency and aneurysm occlusion rate. (ajnr.org)
- An aneurysm is an abnormal local dilatation in the wall of a blood vessel. (medscape.com)
- These are true aneurysms-that is, they are dilatations of a vascular lumen caused by weakness of all vessel-wall layers. (medscape.com)
- The internal elastic membrane is reduced or absent, and the media ends at the junction of the aneurysm neck with the parent vessel. (medscape.com)
- Patient-specific computational models based on medical imaging data can predict postoperative flow fields resulting from alternative interventional options and thus may help avoid complications related to thrombotic occlusion of distal arteries emanating from the aneurysmal vessel. (bmj.com)
- Here, we are in a followup angiogram at the end of the case, showing again, excellent reconstruction of the vessel, complete occlusion of the aneurysm. (neurosurgicalatlas.com)
- Risk factors of unexplained early neurological deterioration after treatment for ischemic stroke due to large vessel occlusion: a post hoc analysis of the HERMES study. (ucla.edu)
Microsurgical15
- however, there is a paucity of data concerning microsurgical clipping of WEB-pretreated aneurysms, especially previously ruptured ones. (springer.com)
- Thus, we present a single-center series of five ruptured aneurysms treated with the WEB device and retreated with microsurgical clipping. (springer.com)
- Subsequently, all patients with an aneurysm remnant or recurrence of the target aneurysm retreated with microsurgical clipping were identified. (springer.com)
- Overall, five patients with a ruptured aneurysm treated with WEB and retreated with microsurgical clipping were included. (springer.com)
- Microsurgical clipping for initially ruptured WEB-treated aneurysms is a feasible, safe, and effective treatment method in well-selected patients. (springer.com)
- however, it seems rather low, especially when compared to the well-known occlusion rates of microsurgical clipping. (springer.com)
- None of the aneurysms was retreated with microsurgical clipping. (springer.com)
- All aneurysms were treated with microsurgical clip occlusion. (barrowneuro.org)
- Since Drake's historical report regarding PCA aneurysms, there has been limited additional information on recent advancements in either microsurgical or endovascular tools. (elsevierpure.com)
- Methods A total of 25 cases of PCA aneurysm that were treated either by microsurgical or endovascular methods were selected and retrospectively reviewed. (elsevierpure.com)
- Microsurgical treatment was the primary treatment in 15 aneurysms, including 9 successful direct clip ligations, 3 aneurysms that were surgically trapped without a bypass, and 2 wrapped aneurysms. (elsevierpure.com)
- Conclusions The present case series suggests that treating PCA aneurysms with microsurgical or endovascular options can achieve a comparable outcome when a judicious decision is made. (elsevierpure.com)
- Given the propensity for the large-giant, dysplastic nature of PCA aneurysms to develop in younger patients, microsurgical competence should be maintained. (elsevierpure.com)
- With the advances in neuroimaging and endovascular devices, several recent studies corroborated comparable effectiveness and better prognosis when using endovascular treatment as compared to microsurgical clipping ( 5 , 6 ) for ruptured tiny intracranial aneurysms. (frontiersin.org)
- Microsurgery was performed in seven patients, which entailed proximal occlusion with distal revascularization in two and microsurgical clipping in five. (yonsei.ac.kr)
Artery occlusion1
- This technique may provide another treatment option for patients with wide-necked aneurysms in whom direct surgical clipping or conventional endovascular therapy would be difficult or impossible, and in whom parent artery occlusion is not a feasible option. (ajnr.org)
Vascular7
- What are Retinal Vascular Occlusions? (wikipedia.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)
- 2) Discuss predictors of clip revision for aneurysms and further nidus/fistula resection for AVM and AVF 3) Optimize the treatment of patients undergoing surgical treatment for brain vascular abnormalities. (cns.org)
- Although genetic conditions are associated with increased risk of aneurysm development (see below), most intracranial aneurysms probably result from hemodynamically induced degenerative vascular injury. (medscape.com)
- My clinical practice focuses on patients who are found to have aneurysms, vascular malformations (including AVMs, cavernous malformations, and dural AV fistulas), moyamoya disease, carotid stenosis, chronic subdural hematomas, pseudotumor cerebrii (also called idiopathic intracranial hypertension), and pulsatile tinnitus. (mountsinai.org)
- In the next hour or so, we're gonna review various types of cerebral vascular cases that we've treated with an endovascular approach. (neurosurgicalatlas.com)
- What we try to do, is present cases that have an interesting twist that may not be treated with standard and accepted techniques, and really show you areas where we may be pushing the envelope of endovascular treatment for a multitude of cerebral vascular diseases. (neurosurgicalatlas.com)
Flow-diverter3
- Fusiform or wide-necked aneurysms not amenable to clipping or coiling can be sometimes treated by indirect trapping or by deployment of a flow-diverter device. (bmj.com)
- The models were modified according to the proposed interventions, e.g. clipping of proximal or distal vessels and adding bypasses, or deploying flow-diverter devices. (bmj.com)
- In the second case, a giant internal carotid aneurysm was treated by placing a flow-diverter. (bmj.com)
Angiographic4
- [ 1 ] Published data vary according to the definition of what constitutes an aneurysm and whether the series is based on autopsy data or angiographic studies. (medscape.com)
- The angiographic follow-up outcomes showed that the SAC group had a higher complete occlusion rate and lower recurrence rate (88.2 vs. 67.1%, 5.4 vs. 15.2%, P = 0.001). (frontiersin.org)
- It is associated with a high rate of complete angiographic occlusion. (neurosurgery.directory)
- 3 aneurysms located at V-B junction, angiographic follow up on 3 months demonstrated no complete occlusion of both the aneurysms, the other patients were still on follow up. (biomedcentral.com)
Incomplete occlusion3
- Complete occlusion of the aneurysm sac and neck was achieved in 148 aneurysms, subtotal occlusion in 18, and incomplete occlusion in three. (rsna.org)
- PED for aneurysms incorporated the fetal PCA and V-B junction might meet a high propensity for incomplete occlusion during short term follow up. (biomedcentral.com)
- Aneurysm with ipsilateral AVM is not suitable for PED treatment due to the risk of hemorrhage and incomplete occlusion during midterm follow up. (biomedcentral.com)
20212
- 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)
- Between March 1994 and October 2021 , 648 consecutive cerebral aneurysm s were treated by the endovascular procedure . (neurosurgery.directory)
Revascularization3
- They were treated with distal revascularization followed by occlusion with coils of the aneurysm-incorporated PICA. (yonsei.ac.kr)
- Microvascular anastomosis techniques are important for revascularization surgeries on brachiocephalic and carotid arteries and complex cerebral aneurysms and even during resection of brain tumors that obstruct major cerebral arteries. (hindawi.com)
- It was shown that cerebral revascularization using extracranial to intracranial bypass may result in neurological symptoms improvement and an objective increase in regional cerebral blood flow in a selective cohort of patients with symptomatic chronic cerebrovascular ischemia [ 1 ]. (hindawi.com)
Ruptured and unruptured intracranial aneurysms1
- A preliminary investigation of radiomics differences between ruptured and unruptured intracranial aneurysms. (cdc.gov)
Recurrence2
- Recurrence occurred between 3 and 40 months in 20 (14%) of the 148 totally occluded aneurysms. (rsna.org)
- However, studies on aneurysm occlusion, recurrence, and procedural complication rates of SAC treatment for ruptured tiny intracranial aneurysms were limited and heterogeneous ( 9 , 10 ). (frontiersin.org)
CONCLUSIONS2
- CONCLUSIONS: Azygos ACA aneurysms are rare, and may have unusual nonsaccular anatomy (for example, fusiform shape, broad base, complex branching, and/or thrombus in the lumen). (barrowneuro.org)
- Conclusions The study indicates that computational models constructed from medical imaging data can be used to predict postoperative flow in cerebral aneurysms. (bmj.com)
Ischemic2
- A stroke is an acute neurologic condition resulting from a disruption in cerebral perfusion , either due to ischemia ( ischemic strokes ) or hemorrhage ( hemorrhagic strokes ). (amboss.com)
- Ischemic Stroke Ischemic stroke is sudden neurologic deficits that result from focal cerebral ischemia associated with permanent brain infarction (eg, positive results on diffusion-weighted MRI). (msdmanuals.com)
Hemorrhage4
- Infectious aneurysms are friable, with an increased propensity for hemorrhage. (medscape.com)
- In one patient, aneurysm perforation with the microcatheter occurred and necessitated ventricular drainage, which led to a large parenchymal and intraventricular hemorrhage because of the strong anticoagulation regimen. (ajnr.org)
- Introduction Giant intracranial aneurysms present a danger of hemorrhage, mass effect, and thromboembolism. (bmj.com)
- The following table focuses on nontraumatic cerebral ischemia and intracranial hemorrhage . (amboss.com)
Thrombosis2
- Cerebral venous sinus thrombosis (CVST) is an infrequent form of stroke with several risk factors such as oral conceptive, postpartum state, infection, and malignancies. (surgicalneurologyint.com)
- 5 ] Here, we report a case of a 59-year-old woman with suspected temporary straight sinus thrombosis following clipping of an A1 aneurysm. (surgicalneurologyint.com)
Berry aneurysm1
- A congenital intracranial saccular or berry aneurysm is the cause in about 85% of patients. (msdmanuals.com)
Methods2
- However, the occlusion rates seem rather low and the retreatment rates rather high compared to other treatment methods. (springer.com)
- METHODS: A retrospective review of patients with aneurysms treated over a 6-year period identified five Type I (according to the Baptista classification) azygos ACA lesions, of which four were nonsaccular. (barrowneuro.org)
Coils2
- Mortality and morbidity, measured as "discharge to long-term facility," were evaluated in relation to the fraction of cases treated with coils versus clipping as well as the annual number of unruptured aneurysms treated by individual hospitals and individual physicians. (ajnr.org)
- Endovascular treatment of posterior circulation aneurysms by electrothrombosis using electrically detachable coils. (rsna.org)
Anterior communicating a2
- see Anterior communicating artery aneurysm outcome . (neurosurgery.directory)
- see Anterior communicating artery aneurysm case series . (neurosurgery.directory)
Wide-necked bifurcation aneurysms3
- 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)
- Wide-necked bifurcation aneurysms remain a challenge for endovascular surgeons. (neurosurgery-blog.com)
- OBJECTIVE: To investigate the feasibility, efficacy, safety, and durability of this technique for the treatment of wide-necked bifurcation aneurysms. (neurosurgery-blog.com)
Complications5
- 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)
- All patients achieved complete cure of the PICA aneurysms without complications except for one case of cerebrospinal fluid (CSF) leakage. (yonsei.ac.kr)
- The immediate and long-term outcomes, complications, recurrences and the need for retreatment were analyzed in a series of 280 consecutive patients with anterior communicating artery aneurysms treated with the endovascular technique. (neurosurgery.directory)
- Prediction, pattern recognition and modelling of complications post-endovascular infra renal aneurysm repair by artificial intelligence. (cdc.gov)
Morbidity and morta4
- Centers that treated a higher percentage of unruptured aneurysms with coiling compared with clipping achieved markedly lower rates of morbidity and mortality. (ajnr.org)
- 11 ] It was reported that endovascular treatment has lower morbidity and mortality and achieved better outcomes compared with surgery for blister-like aneurysms. (surgicalneurologyint.com)
- Ruptured intracranial aneurysms (IAs) are frequently associated with high morbidity and mortality among survivors 1-3 . (hippokratia.gr)
- However, the procedure-related permanent morbidity and mortality are not negligible for aneurysms in this location 1) . (neurosurgery.directory)
Balloon occlusion test1
- A balloon occlusion test (BOT) was performed in all patients prior to ICA trapping. (nih.gov)
Thrombus2
- You have a jet of blood here coming into the aneurysm and an irregularity of blood flow here indicating thrombus. (neurosurgicalatlas.com)
- Despite of transient thrombus of PICA, the aneurysm was successfully secured with preservation of whole PICA course. (koreamed.org)
Surgical12
- 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)
- 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)
- 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)
- Between 2003 and 2011, IOA was performed during surgical treatment of 976 aneurysms, 97 AVM, and 16 arteriovenous fistulas (AVF) in our institution. (cns.org)
- By the conclusion of this session, participants should be able to: 1) Discuss the safety and efficacy of IOA during surgical treatment of intracranial aneurysms, AVM, and AVF. (cns.org)
- In two patients, the endovascular treatment was performed after failure of surgical treatment (one case of rebleeding after clip placement and one aneurysmal regrowth after wrapping). (nih.gov)
- excellent outcomes were achieved in all cases but one in which the patient had been in poor neurological condition due to rebleeding after surgical clip therapy. (nih.gov)
- The management of proximal PICA aneurysms is challenging with either surgical or endovascular treatment. (yonsei.ac.kr)
- Surgical procedures include complete AVM resection, partial AVM resection, hematoma evacuation, and aneurysm clipping. (nvqi-qod.org)
- Bypass techniques are still valuable for the surgical treatment of complex cerebral aneurysms by reducing the risk of temporary and constant brain ischemia due to the alteration in blood flow. (hindawi.com)
- BackgroundSelection of appropriate surgical strategy for the treatment of intracranial aneurysms (IA) during pregnancy requires careful consideration of the potential risks to the mother and fetus. (journaltocs.ac.uk)
- The Use of Surgical Augmented Intelligence Maps Can Reduce Radiation and Improve Safety in the Endovascular Treatment of Complex Aortic Aneurysms. (cdc.gov)
NeuroInterventional Surgery1
- Rather, they have been linked to potentially dramatic impairments in functional capacity, quality of life, and cognitive function that may be to varying extents reversible with treatment.1-3 On January 12-13, 2023, the newly formed Society of Neurointerventional Surgery (SNIS) Cerebral Venous and Cerebrospinal Fluid (CSF) Disorders Committee held its inaugural conference in Honolulu, Hawaii, USA. (journaltocs.ac.uk)
Patients17
- Using the NIS, we evaluated outcomes of patients treated for unruptured aneurysms in the United States from 2001 to 2007. (ajnr.org)
- S tudies of outcomes for unruptured aneurysms treated in the United States between 1996 and 2000 demonstrated that patients treated by high-volume hospitals and physicians had significantly lower morbidity and modestly lower mortality than those treated by low-volume hospitals and physicians. (ajnr.org)
- Recent guidelines and an evidence-based systematic review of the literature have formulated recommendations for the care of patients with unruptured intracranial aneurysms, principally based on age, history, and aneurysm size. (medscape.com)
- Eight patients (10%) required multiple clip readjustments. (cns.org)
- Most reported azygos ACA aneurysms are saccular, but the authors encountered four patients with this variant who had nonsaccular aneurysms. (barrowneuro.org)
- 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)
- Among patients with ruptured aneurysms, 6.2-15.1% are tiny intracranial aneurysms ( 2 , 3 ). (frontiersin.org)
- Of 2382 treated aneurysms, 22 aneurysms in 21 patients (male:female 8:13, mean age 48.9 years) were enrolled from March 1998 to December 2015. (yonsei.ac.kr)
- The treatment modality was mainly dependent on the character of the aneurysms and the clinical presentation of the patients. (yonsei.ac.kr)
- Appropriate anaesthetic management of patients having endovascular treatment of intracranial aneurysms includes? (wfsahq.org)
- From October 1992 to October 2001 280 patients with 282 anterior communicating artery aneurysms were addressed to our center. (neurosurgery.directory)
- For the analysis, the population was divided into two major groups: group 1, comprising 239 (85%) patients with ruptured aneurysms and group 2 comprising of 42 (15%) patients with unruptured aneurysms. (neurosurgery.directory)
- We performed a retrospective analysis of 210 consecutive patients treated by PED for intracerebral aneurysms in our center. (biomedcentral.com)
- Except for aneurysm, those patients also presented with special angioarchitecture: Fetal PCA, AVM, V-B junction and DAVF. (biomedcentral.com)
- Here, we report the outcomes of 9 patients with 10 aneurysms that incorporated at least one of the following special angioarchitecture: fetal PCA, AVM, V-B junction and DAVF. (biomedcentral.com)
- Among those patients, 9 patients were identified with a special angioarchitecture that were qualified for the study, namely the aneurysm was related to fetal PCA, ipsilateral AVM, V-B junction and DAVF. (biomedcentral.com)
- Development and Validation of a Predictive Model to Identify Patients With an Ascending Thoracic Aortic Aneurysm. (cdc.gov)
Posterior circulation2
- There was a strong trend for posterior circulation aneurysm location to predict clip repositioning (p=0.06). (cns.org)
- We adopted routinely a triaxial system in the deployment of PED for anterior circulation aneurysm, however for aneurysms located on posterior circulation, a biaxial system consisting of 6Fr guiding catheter and Marksman microcatheter was sufficient. (biomedcentral.com)
Abstract1
- abstract = "Objective Posterior cerebral artery (PCA) aneurysms are rare and often challenging to manage. (elsevierpure.com)
Endovascular approach1
- The endovascular approach is an elegant alternative to craniotomy and neurosurgical clipping of cerebral aneurysms. (ajnr.org)
Unruptured aneurysms treated3
- The purpose of the current study was to correlate outcome data with practice patterns, specifically the proportion of unruptured aneurysms treated with neurosurgical clipping versus endovascular coiling. (ajnr.org)
- The purpose of the current study was to correlate outcomes data available from the NIS data base (2001-2007) with practice patterns, specifically the proportion of unruptured aneurysms treated with open clipping versus endovascular coiling. (ajnr.org)
- Hospital codes for each patient were available, so we were able to determine the number of unruptured aneurysms treated at each institution in a given year. (ajnr.org)
Neurosurgical1
- A 59-year-old woman was admitted in our Neurosurgical Department because of a small left A1 aneurysm suspected of microbleeding. (surgicalneurologyint.com)
Pathophysiology1
- 1. Pathophysiology of aneurysms: Discuss the formation of aneurysms, current thinking of aneurysm development 2. (intechopen.com)
Morphology1
- The anatomical characterization and morphology of unruptured aneurysms are not readily standardized, however. (medscape.com)