scholarly journals Stent-Assisted Coiling of a Sidewall Aneurysm of the Distal Middle Cerebral Artery: 2-Dimensional Operative Video

2020 ◽  
Vol 20 (1) ◽  
pp. E37-E38
Author(s):  
Daniel D Cavalcanti ◽  
Nader Delavari ◽  
Howard A Riina ◽  
Adam Arthur ◽  
Mark Bain ◽  
...  
Keyword(s):  
Middle Cerebral Artery ◽  
Cerebral Artery ◽  
Incidental Finding ◽  
Endovascular Coiling ◽  
Left Internal Carotid Artery ◽  
Left Middle Cerebral Artery ◽  
Recurrence Rates ◽  
Complex Partial Seizures ◽  
Transfemoral Approach ◽  
Cerebral Angiogram

Abstract Sidewall aneurysm treatment often requires complex management strategies. These can include advanced clipping techniques or stent-assisted coiling techniques. Endovascular coiling alone has been associated with high recurrence rates and is often not feasible.1-4 Flow-diversion embolization has recently become a standard of care for many aneurysms, demonstrating high occlusion rates.4,5 However, the third generation of coil-assist stents can be delivered with 0.0165” microcatheters, being an ideal adjunct to manage this group of aneurysms in more distal locations. In this video, a 16-yr-old teenager with Parry-Romberg syndrome and congenital adrenal hyperplasia had an incidental finding of a 6.5-mm sidewall aneurysm arising off the angular branch of the left middle cerebral artery, found during the work-up of complex partial seizures. The patient consented to the procedure. Due to his young age and aneurysm size, a decision was made to treat the aneurysm through an endovascular approach. Under general anesthesia, a transfemoral approach was carried out using a 6-French short sheath. A 6-French guiding catheter was left in the distal cervical left internal carotid artery; a 0.0165” microcatheter was used to first deploy a 3.0 × 15 mm Neuroform Atlas stent, completely covering the length of the aneurysm. Then, the stent was traversed with the microcatheter to coil the aneurysm. Follow-up cerebral angiogram confirmed complete occlusion of the aneurysm.

Open Surgery for Extraction of an Embolized Pellet in the Middle Cerebral Artery From a Shotgun Injury

2018 ◽  
Vol 17 (3) ◽  
pp. E119-E123 ◽  
Author(s):  
Michael Monterey ◽  
Keith Kerr ◽  
Mark Dannenbaum ◽  
Peng Roc Chen ◽  
Spiros Blackburn
Keyword(s):  
Computed Tomography ◽  
Middle Cerebral Artery ◽  
Cerebral Artery ◽  
Open Surgery ◽  
Clinical Presentation ◽  
Left Middle Cerebral Artery ◽  
Peripheral Vasculature ◽  
Cerebral Angiogram ◽  
Surgical Extraction ◽  
Close Range

AbstractBACKGROUND AND IMPORTANCEEmbolization of shotgun pellet from the peripheral vasculature to the cerebral vessels has been a known phenomenon that has been reported previously in the literature. However, there is no consensus on clinical indications for intervention, best modality of intervention or management upon leaving the hospital. We describe a case of a shotgun pellet in the neck that embolized to the middle cerebral artery that was treated with open surgery. Discussed is the initial management on presentation, timing of intervention from surgery and detailed surgical technique.CLINICAL PRESENTATIONA 20-yr-old man presented after being shot at close range with a shotgun. He was neurologically intact on exam. Initial screening computed tomography (CT) of the brain noted a shotgun pellet in the region of the sylvian fissure without intracranial hemorrhage. Computed tomography angiography again displayed pellet in the vicinity of the left middle cerebral artery. He was emergently taken for an awake cerebral angiogram and subsequent surgical extraction of the shotgun pellet.CONCLUSIONMissile embolization of a bullet fragment to the intracranial vasculature is rare and requires difficult decisions regarding management. Critical factors that are to be considered prior to treatment include neurological clinical presentation, timing of the trauma, and anatomic location of injury. Patients who are without neurological deficit that display compromised blood flow require immediate cerebral angiogram followed by surgical intervention depending on location.

Abstract P784: A Novel Rat Model of Embolic Cerebral Ischemia Using a Cell-Implantable Radiopaque Hydrogel Micro Fiber

Stroke ◽  
2021 ◽  
Vol 52 (Suppl_1) ◽  
Author(s):  
Teppei Komatsu ◽  
Hiroki Ohta ◽  
Naoki Takakura ◽  
Tomomichi Kitagawa ◽  
Junichi Hata ◽  
...  
Keyword(s):  
Middle Cerebral Artery ◽  
Cerebral Artery ◽  
Rat Model ◽  
Anterior Cerebral Artery ◽  
Interquartile Range ◽  
Left Internal Carotid Artery ◽  
Left Middle Cerebral Artery ◽  
Stroke Model ◽  
Tetrazolium Chloride ◽  
A Cell

Introduction: The failure of neuroprotective treatment-related clinical trials may be partially caused by unestablished animal models. We aimed to develop a novel focal stroke model using a cell-implantable radiopaque hydrogel micro fiber. The micro fiber is made of barium alginate hydrogel containing zirconia, and fabricated in a dual coaxial laminar flow microfluidic device. Methods: Using male Sprague Dawley rats (n=10), a catheter (ID 0.42mm, OD 0.55mm) was navigated from the caudal ventral artery to the left internal carotid artery using digital subtraction angiography. A radiopaque hydrogel micro fiber (0.4 mm in diameter, 1 mm in length) was advanced in the catheter by slow injection of heparinized physiological saline to establish local occlusion. 9.4-T MRI and 2% 2,3,5-triphenyl tetrazolium chloride staining were performed 24 hours after the creation of the stroke model. Results: The anterior cerebral artery-middle cerebral artery bifurcation was selectively embolized at all rats. The median operating time was 8.5 min (interquartile range; 6.25-12 min). The median infarct volume (mm 3 ) was 262 (interquartile range; 260-274) 24 hours after occlusion. Conclusions: We present a novel rat model for focal infarct only in the middle cerebral artery territory using a radiopaque hydrogel micro fiber. Furthermore, this model can be used for regeneration research of cerebral infarction because the hydrogel micro fiber can encapsulate stem cell.Figure Legends A: Puncture of the caudal ventral artery in a rat. B: Cerebral angiography of a rat. C: Occlusion of the anterior cerebral artery-middle cerebral artery bifurcation by a radiopaque hydrogel fiber (arrowhead). D: MR angiography detected selective occlusion of left middle cerebral artery. E: T2-weighted image showed infarct only in the middle cerebral artery after 24 hours occlusion. A radiopaque fiber did not affect the 9.4-T MRI. F: Radiopaque hydrogel fiber encapsulated HeLa cells.

scholarly journals A RARE CASE OF RUPTURED ANEURYSM AT THE ORIGIN OF INFERIOR PART OF DUPLICATED MIDDLE CEREBRAL ARTERY

2021 ◽  
Vol 7 (2) ◽  
pp. 146-148
Author(s):  
Achmad Firdaus Sani ◽  
Dedy Kurniawan
Keyword(s):  
Middle Cerebral Artery ◽  
Cerebral Artery ◽  
Internal Carotid ◽  
Anatomical Variation ◽  
Ruptured Aneurysm ◽  
Endovascular Coiling ◽  
Left Middle Cerebral Artery ◽  
History Of ◽  
Head Computed Tomography ◽  
Left Middle

Duplicated middle cerebral artery (DMCA) is an anomalous vessel arises from the internal carotid artery (ICA). This anatomical variation is rare. Aneurysm with this anatomical variation and unusual form was very rare. Even though this kind of aneurysm is rare, it was often ruptured. In this paper, we report a case of 40-years old female with abrupt decreased of consciousness as a chief complaint, along with severe headache one day earlier, no history of head trauma, and there was nuchal rigidity. She didn’t had history of hypertension before. Head computed tomography showed subarachnoid hemmorrhage (SAH) mostly on the left sylvian fissure with Hunt and Hess scale was 3 and Fisher scale was 2, while the cerebral angiography showed duplication of the left middle cerebral artery in which the inferior part of the MCA duplication has ruptured aneurysm at the origin. Treatment option for this aneurysm is endovascular coiling with preserved of the inferior part of duplicated MCA. Result of this treatment shows a good outcome.

scholarly journals Brain abscess after stent-assisted coiling for ruptured middle cerebral artery aneurysm

2018 ◽  
Vol 24 (4) ◽  
pp. 387-391 ◽  
Author(s):  
Jung Ho Ko ◽  
Young-Joon Kim ◽  
Hyun Ho Jung
Keyword(s):  
Staphylococcus Aureus ◽  
Central Venous Catheter ◽  
Middle Cerebral Artery ◽  
Cerebral Artery ◽  
Venous Catheter ◽  
Nausea And Vomiting ◽  
Left Internal Carotid Artery ◽  
Left Middle Cerebral Artery ◽  
Central Venous ◽  
Brain Ct

A 24-year-old man was admitted with sudden severe headache. Brain computed tomography (CT) revealed a subarachnoid hemorrhage in the basal cistern and both Sylvian cisterns and a left internal carotid artery angiogram showed a small aneurysm on the bifurcation of the left middle cerebral artery. We performed Y-configured stent-assisted coil embolization. On the fifth post-embolization day, the patient had chills, and his body temperature was over 38℃. Staphylococcus aureus was cultured from the venous blood sample. Central venous catheter-induced bacteremia was suspected. The central venous catheter was immediately removed, and an antibiotic to which the organism was susceptible (nafcillin) was injected for 15 days according to the result of the antibiotics sensitivity test. He was discharged without any clinical or neurological symptoms on the 32nd hospital day. Three months after treatment, the patient complained in the outpatient department of headache, nausea and vomiting. Brain magnetic resonance imaging showed several well-rimmed enhancing lesions in the left temporoparietal lobe. The headache, nausea and vomiting was aggravated, and brain CT showed more enlarging cysts and aggravation of the midline shift. Stereotactic aspiration was performed for the three biggest cysts, and greenish-white colored pus was aspirated. The identified pathogen was methicillin-sensitive Staphylococcus aureus in the culture study. Vancomycin and ceftriaxone were administered intravenously for three weeks, followed by intravenous injection of nafcillin for five weeks. The patient’s postoperative course was clinically uneventful, and brain CT on postoperative day 57 showed total disappearance of the rim-enhanced abscess.

Abstract 1122‐000164: Peri‐embolization Use of Stent Retrievers as a Rescue Tool in Patients with Subarachnoid Hemorrhage

2021 ◽  
Vol 1 (S1) ◽  
Author(s):  
Abdallah O Amireh ◽  
Muhammad Nagy ◽  
Hassan Ali ◽  
Siddhart Mehta ◽  
Haralabos Zacharatos ◽  
...  
Keyword(s):  
Middle Cerebral Artery ◽  
Cerebral Artery ◽  
Coil Embolization ◽  
Stent Retriever ◽  
Left Internal Carotid Artery ◽  
Left Middle Cerebral Artery ◽  
Primary Coil ◽  
Mechanical Removal ◽  
Stent Retrievers ◽  
Coil Migration

Introduction : Coil migration after endovascular embolization of intracranial aneurysms is one of the periprocedural complications in 2–6% of patients. Stent retriever use is well‐established in treatment of ischemic stroke but has not been well established to address coil retrieval as rescue therapy. We describe three cases with successful removal of migrated coils using stent retrievers. Methods : A retrospective review at a single center university hospital was performed for all Neuro‐endovascular case log from December 2018 to November 2020. Cases of coil migration were reviewed and coil retraction with Stent Retriever with successful coil mass extraction was considered an endpoint. Number of attempts, types of stent retrievers used and time taken for extraction were noted. Results : Case 1: 56‐year‐old female presented with ruptured tri‐lobed 4 × 3 mm Anterior communicating artery aneurysm. Hunt and Hess (H&H) Grade 2. Modified Fisher scale (MFS) 4. Underwent primary coil embolization. Two 2mmx2cm Galaxy Orbit coils were deployed within aneurysm. During deployment of third coil the first two coils displaced out of the aneurysm migrating into left A2 segment. Stryker’s Trevo 3 × 20 mm stent retriever was used for retrieval of coils however they dislodged at the left internal carotid artery (ICA) terminus and migrated distally into the left middle cerebral artery (MCA) M2 superior division. Subsequently, Medtronic’s Solitaire 4 × 40 mm stent retriever was successfully deployed retrieving the migrated coils with full recanalization. Case 2: 64‐year‐old female presented with ruptured 3 × 5.3 mm right posterior communicating artery (Pcom) aneurysm. H&H 5 and MFS 4. Underwent primary coil embolization with placement of Galaxy Orbit 2.5mmx3.5cm coil. On follow up run, coil mass had migrated into the origin of right fetal Pcom. Migrated coil was successfully retrieved using Stryker’s 4 × 40 mm stent retriever with complete recanalization. Case 3: 65‐year‐old female with presented ruptured 8.5 × 6.8 mm right supraclinoid ICA irregular aneurysm. H&H Grade 1. MFS 3. Underwent primary coil embolization with one Galaxy coil (5mm x 10cm) with plan for future flow diversion. Two weeks later, patient experienced acute neurological worsening with new left sided hemiparesis and right gaze deviation. Imaging revealed acute occlusion of right middle cerebral artery M1 segment occlusion with thrombosed migrated coil. Patient underwent retrieval of the coil and superimposed thrombus utilizing Stryker’s Trevo (4*30 mm) stent retriever with resultant full recanalization. Conclusions : These cases demonstrate successful endovascular mechanical removal of migrated coils using stent retrievers. They add to the limited experience of stent retrievers utilization as effective tools for dealing with such complications.

Transcranial Doppler Ultrasound Pre- and Post Middle Cerebral Artery Stent Placement

2021 ◽  
pp. 154431672110335
Author(s):  
Vanessa T. Tran ◽  
Anne Moore ◽  
Laligam Sekhar
Keyword(s):  
Middle Cerebral Artery ◽  
Doppler Ultrasound ◽  
Cerebral Artery ◽  
Stent Placement ◽  
Transcranial Doppler ◽  
Transcranial Doppler Ultrasound ◽  
Doppler Imaging ◽  
Left Middle Cerebral Artery ◽  
Mean Flow ◽  
Cerebral Angiogram

This report describes a 42-year-old male with a 5-year history of transient ischemic attacks (TIAs), migraines, previous strokes, and symptoms referable to a left middle cerebral artery (MCA) territory event. Computed tomography angiography (CTA) and magnetic resonance angiography (MRA) revealed severe stenoses in the proximal left MCA and proximal left anterior cerebral artery (ACA). Transcranial Doppler ultrasound/Transcranial Doppler imaging (TCD/TCI) and cerebral angiogram confirmed the stenoses with a mean flow velocity (MFV) at the proximal left MCA, with a velocity of 230 cm/s. A Wingspan Stent System stent was placed in the proximal left MCA. Cerebral angiogram and serial TCD examinations performed post stent placement showed a patent left MCA without stenosis and a MFV of 55 cm/s. The left ACA was occluded following proximal left MCA stent placement. This case highlights the usefulness of TCD in the assessment of the MCA and other basal cerebral arteries.

scholarly journals Post-stroke cognitive impairment on the Mini-Mental State Examination primarily relates to left middle cerebral artery infarcts

2021 ◽  
pp. 174749302098455
Author(s):  
Nick A Weaver ◽  
Angelina K Kancheva ◽  
Jae-Sung Lim ◽  
J Matthijs Biesbroek ◽  
Irene MC Huenges Wajer ◽  
...  
Keyword(s):  
Cognitive Impairment ◽  
Middle Cerebral Artery ◽  
Cerebral Artery ◽  
Cognitive Deficits ◽  
Mini Mental State Examination ◽  
Left Middle Cerebral Artery ◽  
Post Stroke ◽  
Lesion Symptom Mapping ◽  
State Examination ◽  
Left Middle

Background Post-stroke cognitive impairment can occur after damage to various brain regions, and cognitive deficits depend on infarct location. The Mini-Mental State Examination (MMSE) is still widely used to assess post-stroke cognition, but it has been criticized for capturing only certain cognitive deficits. Along these lines, it might be hypothesized that cognitive deficits as measured with the MMSE primarily involve certain infarct locations. Aims This comprehensive lesion-symptom mapping study aimed to determine which acute infarct locations are associated with post-stroke cognitive impairment on the MMSE. Methods We examined associations between impairment on the MMSE (<5th percentile; normative data) and infarct location in 1198 patients (age 67 ± 12 years, 43% female) with acute ischemic stroke using voxel-based lesion-symptom mapping. As a frame of reference, infarct patterns associated with impairments in individual cognitive domains were determined, based on a more detailed neuropsychological assessment. Results Impairment on the MMSE was present in 420 patients (35%). Large voxel clusters in the left middle cerebral artery territory and thalamus were significantly (p < 0.01) associated with cognitive impairment on the MMSE, with highest odds ratios (>15) in the thalamus and superior temporal gyrus. In comparison, domain-specific impairments were related to various infarct patterns across both hemispheres including the left medial temporal lobe (verbal memory) and right parietal lobe (visuospatial functioning). Conclusions Our findings indicate that post-stroke cognitive impairment on the MMSE primarily relates to infarct locations in the left middle cerebral artery territory. The MMSE is apparently less sensitive to cognitive deficits that specifically relate to other locations.

Multiple middle cerebral artery aneurysms in an infant

1990 ◽  
Vol 72 (5) ◽  
pp. 806-809 ◽  
Author(s):  
Cornelia Cedzich ◽  
J. Schramm ◽  
G. Röckelein
Keyword(s):  
Middle Cerebral Artery ◽  
Cerebral Artery ◽  
Systemic Disease ◽  
Intracerebral Hematoma ◽  
Left Middle Cerebral Artery ◽  
Content Type ◽  
Middle Cerebral Artery Aneurysms ◽  
Subarachnoid Blood ◽  
Left Middle ◽  
Control Angiography

✓ An 11-month-old boy was admitted for evaluation of drowsiness, vomiting, and convulsions. Computerized tomography showed subarachnoid blood in the left sylvian fissure and a small intracerebral hematoma in the temporal lobe. Angiography revealed several aneurysms of the left middle cerebral artery (MCA). During surgery, 13 aneurysms were found arising from one main branch of the left MCA, and this segment of the MCA was trapped. Somatosensory evoked potentials did not show any change during surgery. The diseased arterial segment was examined histologically and the pathogenetic aspects of the case are discussed. Control angiography 6 months later excluded systemic disease or other aneurysms. The rarity of such lesions in childhood and their successful surgical treatment are discussed briefly.

Management of Mobile Thrombus With Distal Protection Devices During Carotid Artery Angioplasty: 2-Dimensional Operative Video

2021 ◽  
Author(s):  
Salomon Cohen-Cohen ◽  
Giuseppe Lanzino ◽  
Waleed Brinjikji ◽  
Adam Arthur ◽  
Mark Bain ◽  
...  
Keyword(s):  
Carotid Artery ◽  
Internal Carotid Artery ◽  
Internal Carotid ◽  
Mechanical Thrombectomy ◽  
Standard Of Care ◽  
Video Production ◽  
Left Internal Carotid Artery ◽  
Left Middle Cerebral Artery ◽  
Cerebral Angiogram ◽  
Protection Devices

Abstract Embolic protection devices (EPDs) have become a standard of care during internal carotid artery revascularization.1,2 This video is about a 57-yr-old-male who presented with a wake-up stroke with a left hemispheric syndrome. Head computed tomography angiography (CTA) revealed tandem occlusions of the proximal left internal carotid artery (ICA) and of the distal left middle cerebral artery (MCA) with an ASPECT (Alberta Stroke Program Early CT Score) score of 6. The patient underwent a cerebral angiogram and was treated with balloon angioplasty with a distal EPD and mechanical thrombectomy. The EPD became occluded with thrombus from the ICA and was retrieved through a 6-Fr Sofia (MicroVention) under continuous aspiration. Successful revascularization of the proximal ICA and distal MCA was achieved. No procedure-related complications occurred, and the patient's neurological exam improved. Tandem occlusions can occur in up to 15% of strokes. The optimal treatment can be controversial, but mechanical thrombectomy and ICA revascularization with a distal EPD appear to be safe and effective in selected patients.3 Consent was obtained for the procedure and for the video production.

Delayed breaking of a Heifetz aneurysm clip

1977 ◽  
Vol 47 (3) ◽  
pp. 463-465 ◽  
Author(s):  
Antti Servo ◽  
Matti Puranen
Keyword(s):  
Middle Cerebral Artery ◽  
Cerebral Artery ◽  
Left Middle Cerebral Artery ◽  
Carotid Angiography ◽  
Content Type ◽  
Aneurysm Clip ◽  
Correct Placement ◽  
Left Middle ◽  
Fine Print

✓ An aneurysm of the left middle cerebral artery was treated by clipping with a Heifetz clip. The correct placement was confirmed angiographically immediately after the operation. At carotid angiography 1 year later the clip was found to have broken, and the aneurysm had increased in size.

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