Balloon anchoring to traverse the sigmoid sinus for delivery of large-caliber venous stents: A technical note.
CONCLUSION: Balloon anchoring in the venous system is useful for achieving large-caliber catheter access across difficult anatomy and is technically feasible. PMID: 33596699 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - February 20, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Complex basilar artery fenestration aneurysm successfully treated with single flow diverter using novel "crossing flow diverter technique" - A rare case report and review of literature.
Complex basilar artery fenestration aneurysm successfully treated with single flow diverter using novel "crossing flow diverter technique" - A rare case report and review of literature. Interv Neuroradiol. 2021 Feb 18;:1591019921996094 Authors: Gaikwad SB, Puneeth KT, Nadarajah J, Gupta MM Abstract Basilar artery fenestration aneurysms are very rare and endovascular management of large and complex aneurysms is extremely challenging. Most of these type of cases are managed with stent assisted coiling, dual flow diverters (FD) and single FD with additional coiling of aneurysm and occlusion of o...
Source: Interventional Neuroradiology - February 20, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Safety and efficacy of Angio-Seal device for transfemoral neuroendovascular procedures: A systematic review and meta-analysis.
CONCLUSION: The safety and efficacy rate of Angio-Seal was approximately 95%. The most common complication was groin hematoma. Serious complications including retroperitoneal hematoma and femoral artery occlusion were rare. PMID: 33601976 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - February 20, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Outpatient management of chronic expanding subdural hematomas with endovascular embolization to minimize inpatient admissions during the COVID-19 viral pandemic.
Authors: Entezami P, Field NC, Dalfino JC Abstract Chronic subdural hematomas are complex collections that usually form after a trauma, particularly in elderly patients. This vulnerable population is at increased risk given the current viral pandemic. We share our experience in managing minimally symptomatic, enlarging subdural collections via middle meningeal embolization through the outpatient setting. This approach minimizes inpatient hospitalizations in hopes or reducing nosocomial spread (e.g., of COVID-19). PMID: 33593143 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - February 19, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

P2Y12 inhibitors in neuroendovascular surgery: An opportunity for precision medicine.
CONCLUSIONS: The latest evidence, primarily obtained from cardiovascular intervention trials, supports that combining patient pharmacogenetics with drug response monitoring, as part of an individually tailored, precision medicine approach, is both predictive and cost-effective in achieving and maintaining individual target platelet inhibition levels. Indirect evidence supports that this gain in optimizing drug responses translates to reducing main adverse events and overall treatment costs in patients undergoing DAPT after intracranial stent or flow diverting treatment. PMID: 33541183 [PubMed - as supplied by publisher...
Source: Interventional Neuroradiology - February 7, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

The importance of repeat digital subtraction myelography in the diagnosis of cryptogenic CSF-venous fistula causing spontaneous intracranial hypotension.
We report a case of SIH in which repeat DSM revealed a type 3 CSF-venous fistula and demonstrate a possible mechanism of transient CSF leak block resulting in the initial false negative findings based on morphological changes in the culprit nerve sheath diverticulum-pseudomeningocoele complex. The patient underwent successful surgical ligation with clinicoradiological resolution of SIH. PMID: 33525918 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - February 3, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Risk of recurrence of subdural hematoma after EMMA vs surgical drainage - Systematic review and meta-analysis.
CONCLUSION: Based on limited data, EMMA reduces the risk of recurrence by 20% compared to surgical treatment for CSDH. PMID: 33525919 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - February 3, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Flow diverter stents in the treatment of recanalized intracranial aneurysms.
CONCLUSION: The drawback of endovascular treatment is aneurysmal remnants or recurrences, which is safely and durably amenable to flow diversion. PMID: 33509011 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - January 31, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Embolization of dural arteriovenous fistula during twin pregnancy - A case report and literature review.
CONCLUSIONS: We encountered a case of cavernous sinus DAVF during a twin pregnancy. This case suggests that hemodynamic shift due to pregnancy has potential to cause higher shunt flow in an arteriovenous fistula. The timing of treatment should be determined in consideration of the hemodynamic change in the course of pregnancy. If X-ray exposures and iodine contrast media are appropriately managed, endovascular intervention is one treatment option, even during pregnancy. PMID: 33509012 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - January 31, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

The Woven Endobridge as a treatment for acutely ruptured aneurysms: A review of the literature.
Authors: Crinnion W, Bhogal P, Makalanda HLD, Wong K, Arthur A, Cognard C, Henkes H, Fiorella D, Pierot L Abstract The Woven Endobridge (WEB; Microvention, Aliso Viejo, California, USA) is a relatively new device which has been shown to be safe and effective for the treatment of wide necked bifurcation aneurysms in multiple prospective Good Clinical Practice studies. However, the vast majority of aneurysms included in these studies have been unruptured. The aim of this review is to summarise the current evidence available on the treatment of ruptured aneurysms with the WEB. PMID: 33509013 [PubMed - as supplied ...
Source: Interventional Neuroradiology - January 31, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Stent-assisted coiling of cerebral aneurysms: Head to head comparison between the Neuroform Atlas and EZ stents.
CONCLUSIONS: Stent-assisted coiling with the Atlas stent is safe and effective and shows better immediate results as compared to the EZ stent, with improved overall follow-up outcomes. PMID: 33509014 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - January 31, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Percutaneous treatment of an intraorbital arteriovenous malformation using a transvenous approach: A case report.
Authors: Dantas F, Carvalho TSE, Firmino RUR, Yung AA, Gomes RCF, Mendes GA, Darwich RZ Abstract Intraorbital arteriovenous malformations (AVMs) are extremely rare, and their actual prevalence is unknown. There is no consensus regarding the best treatment options, and the treatment is usually challenging, involving endovascular and other surgical procedures. Herein, we report the case of a patient diagnosed with an intraorbital AVM, presenting with thrombosis and hemorrhage, with rapidly progressive proptosis, chemosis, ophthalmoparesis, and vision loss. Treatment was performed with a transorbital puncture targetin...
Source: Interventional Neuroradiology - January 31, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Successful flow diversion treatment of ruptured infectious middle cerebral artery aneurysms with the use of Pipeline Flex with Shield technology.
CONCLUSIONS: In the setting of previous hemicraniectomy, PED-Shield gave us the option to discontinue dual antiplatelet therapy should the patient require further neurosurgical intervention. Our case supports a role for PED-Shield to address ruptured pseudoaneurysms. PMID: 33509016 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - January 31, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Volume-based sizing of the Woven EndoBridge (WEB) device: A preliminary assessment of a novel method for device size selection.
CONCLUSION: Aneurysm volumes are highly correlated with WEB volumes, with auto-segmentation volumes displaying statistically significant difference against conventional height by width measurements. These results suggest that volumetric measurements of aneurysm size provide a useful adjuvant measure to assist in appropriate size selection of the WEB device. PMID: 33478310 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - January 24, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Endovascular treatment of type 1 and type 4 non-saccular aneurysms of cerebral arteries - a single-Centre experience.
CONCLUSION: Our results indicate that treatment of type 1 and type 4 non-saccular aneurysms with various combination of stents and flow diverters, with or without coils, is promising, although very challenging and technically demanding. PMID: 33467952 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - January 21, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Vessel wall MRI in ruptured cranial dural arteriovenous fistulas.
We report for the first time three patients with ruptured cranial dural arteriovenous fistulas (dAVFs) that were evaluated with high-resolution VW-MRI. The presumed site-of-rupture was identified based on contiguity of a venous ectasia with adjacent blood products and thick, concentric wall enhancement. This preliminary experience suggests a role for high-resolution VW-MRI in the evaluation of ruptured cranial dAVFs, in particular, site-of-rupture identification. It also supports an emerging hypothesis that all spontaneously ruptured, macrovascular lesions demonstrate avid vessel wall enhancement. PMID: 33430655 [PubMe...
Source: Interventional Neuroradiology - January 14, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Endovascular electrothrombosis: A promising alternative for basilar artery perforator aneurysm treatment.
CONCLUSION: Endovascular electrothrombosis might be a potential alternative to traditional treatment for BAPAs. Close follow-up with caution should be mandatory. More research is needed to confirm its safety and efficacy. PMID: 33435781 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - January 14, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Direct carotid exposure approach in the treatment of anterior circulation unruptured intracranial aneurysms for elderly patients.
CONCLUSION: Even with the use of antiplatelet and anticoagulation therapy, the DCEA can be performed safely for unruptured aneurysms in elderly patients. PMID: 33412966 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - January 10, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Age and discharge modified Rankin score are associated with 90-Day functional outcome after basilar artery occlusion treated with endovascular therapy.
CONCLUSIONS: Patients presenting with an acute BAO treated with modern EVT have a good 90-day outcome in over one-third of cases. Age and discharge mRS are independently associated with good 90-day outcome. Additional studies may focus on factors that can enhance discharge function after BAO, a novel prognostic indicator for favorable 90-day outcome in our study. PMID: 33412967 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - January 10, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

KRAS/BRAF mutations in brain arteriovenous malformations: A systematic review and meta-analysis.
CONCLUSION: Our findings support a high prevalence of somatic activating mutations in KRAS and less commonly, BRAF in the overwhelming majority of brain AVMs. Practically and importantly, this pathway homogeneity in CNS arteriovenous malformations also supports the development of targeted therapies with RAS/RAF pathway inhibitors. However, more studies are needed to confirm this hypothesis. PMID: 33401991 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - January 8, 2021 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Neonatal bilateral cerebral high flow fistulae leading to detection of a HHT-family carrier.
We present a newborn with bilateral intracranial HFAVF tested positive for HHT1 and belonging to a family non known for carrying a HHT mutation. We also review reported cases of neonates and infants with cerebral and spinal HFAVF emphasizing their associations with genetic syndromes. Our aim is to add a new case to the pertinent literature and emphasize the need for molecular testing in children with spinal or brain HFAVF. PMID: 33353465 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - December 29, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Preliminary experience with 088 large bore intracranial catheters during stroke thrombectomy.
CONCLUSION: Intracranial navigation of .088" large-bore catheters in MT appears technically feasible and safe. Larger prospective studies are warranted. PMID: 33353466 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - December 29, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Strut remodeling with hypercompliant balloon: A new approach to Y stent-assisted coil embolization in the treatment of complex wide-neck bifurcation aneurysms.
CONCLUSIONS: Performing strand remodelling to reduce thromboembolic complications triggered by structural faults caused by the Y-stent configuration is feasible, safe, and effective. This new approach can aid in the prevention of thromboembolic complications in Y-SACE. PMID: 33356714 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - December 29, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Endovascular management of radial artery loop for neuroangiography: Case series.
CONCLUSIONS: A radial loop was present in 1% of the cases in this series. Our technical results suggest that this anomaly should not be considered a contraindication to transradial neuroangiography because the procedure was successfully performed in most (9 of 10) cases using a microcatheter system to navigate the loop. PMID: 33356726 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - December 29, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Safety and feasibility of carotid revascularization in patients with cerebral embolic strokes associated with carotid webs and histopathology revisited.
CONCLUSION: In our experience CAS for carotid web is feasible and safe in patients presenting with ischemic embolic strokes. PMID: 33322975 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - December 18, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Injection of contrast media using a large-bore angiography catheter with a guidewire in place: Physical factors influencing injection pressure in cerebral angiography.
CONCLUSIONS: With adjustment of the pressure limit, cerebral angiography using the 5-Fr, large-bore catheter without removal of the guidewire is feasible, safe, and expected to provide image quality comparable to that of the 4-Fr regular catheter. PMID: 33307913 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - December 15, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Vessel-wall MRI in thunderclap headache: A useful tool to answer the riddle?
CONCLUSIONS: HRVW-MRI is useful in case of finding aneurysm as the cause of headaches, particularly the TCH attack. In fact, HRVW-MRI could assess the stability of the aneurysms wall, allowing different patient management and eventually the aneurysmal treatment. PMID: 33302764 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - December 12, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

The median vein of prosencephalon of Markowski: From morphology to genetics.
Authors: Komiyama M PMID: 33283591 [PubMed - in process] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - December 8, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Safety and feasibility of the Woven EndoBridge device deployment with monitored anesthesia care.
CONCLUSIONS: MAC can be used for the WEB device deployment safely and effectively. PMID: 33283592 [PubMed - in process] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - December 8, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Safety and efficacy of symptomatic carotid artery stenting performed in an emergency setting.
Authors: Quispe-Orozco D, Limaye K, Zevallos CB, Farooqui M, Mendez-Ruiz A, Ansari S, Dajles A, Samaniego EA, Derdeyn C, Ortega-Gutierrez S Abstract INTRODUCTION: Carotid artery stenting (CAS) has increasingly emerged as an alternative strategy to carotid endarterectomy in the treatment of patients with symptomatic carotid stenosis. Optimal timing for CAS after symptoms onset remains unclear. We aimed to evaluate the safety and efficacy of CAS when performed in an emergency setting. PATIENTS AND METHODS: We performed a retrospective analysis of CAS patients admitted to our CSC with symptomatic extracranial caro...
Source: Interventional Neuroradiology - December 8, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Use of distal protection filter device for rescue mechanical thrombectomy for symptomatic free-floating thrombus of the cervical internal carotid artery.
CONCLUSION: Mechanical thrombectomy using a distal protection device is a novel and technically feasible approach for select cases of cervical intraluminal thrombus. This may represent a therapeutic option in select cases with high risk of anticoagulation and in the unusual subset of younger patients with minimal atherosclerotidc disease. PMID: 33269972 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - December 5, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Interventional stroke treatment - Is it also safe for arteries? Looking at thrombectomy wall damage through clot histology.
Authors: Donnerstag F, Götz F, Dadak M, Raab P, Iglesias EC, Werlein C, Lanfermann H, Jonigk D Abstract BACKGROUND AND PURPOSE: The aim of this study was to investigate whether morphological evidence of intracranial vascular injury can be found in the occluding thrombi of patients with ischemic stroke. METHODS: From 2015 until 2018 specimens of thrombi from patients with large vessel occlusion treated either by stent-assisted aspiration thrombectomy (TE) or by aspiration thrombectomy were prospectively collected. Thrombus specimens were formalin-fixed, paraffin-embedded and stained. Architectural features,...
Source: Interventional Neuroradiology - December 5, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Technical aspects of combined intrasaccular and endoluminal flow diversion.
CONCLUSIONS: We believe this is one of the first series reporting the combined use of the WEB device and endoluminal flow diversion for the treatment of intracranial aneurysms. This series demonstrates that the concurrent use of the WEB device with endoluminal flow diversion is safe for achieving immediate aneurysm treatment and may enhance the long-term durability in complex aneurysms. PMID: 33249923 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - December 2, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Venous sinus stenting for the treatment of isolated pulsatile tinnitus: Results of a prospective trial.
CONCLUSION: Stenting of the lateral venous sinus is a safe and effective treatment for patients with isolated pulsatile tinnitus due to venous sinus stenosis. PMID: 33243042 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - November 28, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Relationship between the first pass effect and the platelet-lymphocyte ratio in acute ischemic stroke.
Authors: Sarioglu O, Capar AE, Bas Sokmez DF, Topkaya P, Belet U Abstract PURPOSE: The aim of this study was to evaluate the relationship between platelet-lymphocyte ratio (PLR) and first pass effect (FPE) in patients with acute ischemic stroke (AIS). Our secondary goal was to investigate other laboratory, demographic or technical parameters that may be related to FPE and to search for independent predictors of FPE. MATERIALS AND METHODS: Patients who underwent mechanical thrombectomy (MT) in our hospital between January 2017 and February 2020 were reviewed. Patients were divided into two groups: FPE and non-FP...
Source: Interventional Neuroradiology - November 27, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Intracranial aneurysms managed by parent artery reconstruction using Tubridge: Study protocol for a prospective, multicenter, post-market clinical trial.
This study is a prospective, multicenter, single-arm, post-market clinical trial that evaluates the safety and efficacy of Tubridge in the treatment of patients with intracranial aneurysms by reconstructing parent artery. We expect 200 participants who meet the inclusion and exclusion criteria to be included. Clinical information and angiographic results (Raymond-Roy grading scale, RRGS) will be recorded objectively. The primary endpoint will be the complete occlusion rate of the target aneurysm (RRGS 1) at 12-month follow-up. Secondary endpoints will include the adequate occlusion rate (RRGS 1 & 2) and the rate of maj...
Source: Interventional Neuroradiology - November 27, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Management of idiopathic intracranial hypertension in children utilizing venous sinus stenting.
CONCLUSION: VSS may provide a viable option for pediatric IIH patients who are intolerant to medication, have failed conservative management or prior surgical interventions, or present with fulminant disease. PMID: 33236688 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - November 27, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Analysis of branch artery orifice angulation: Feasibility of the shelf technique for the treatment of wide-neck bifurcation aneurysms.
CONCLUSION: WNBA treatment with the shelf technique is safe and effective. The α angle is a useful parameter to evaluate the performance of the shelf technique. The shelf technique is more suitable for WNBAs with a narrow α angle. PMID: 33222557 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - November 25, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Aortic and supra-aortic arterial tortuosity and access technique: Impact on time to device deployment in stroke thrombectomy.
CONCLUSION: CTA-based ASMETS can predict time between arterial puncture and deployment of the mechanical thrombectomy device in stroke patients, irrespective of the technique used to catheterise the target ICA. This could inform the operator in preparing appropriate strategies to overcome challenging vascular anatomy in patients undergoing MT. PMID: 33215558 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - November 22, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

The next step in balloon assisted endovascular neurosurgical procedures: A case series of initial experience with the Scepter Mini balloon microcatheter.
CONCLUSION: Our initial experience shows that the SMB has potential to be useful in endovascular neurosurgical procedures requiring balloon assistance within smaller diameter blood vessels. PMID: 33164616 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - November 12, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

The p48 flow diverter: First clinical results in 25 aneurysms in three centers.
We report our first clinical experiences. METHODS: Between March 2018-January 2020, 22 patients with 25 aneurysms were treated with the p48 in 3 centers. One patient had 3 aneurysms covered by one p48 and one patient had 2 aneurysms. There were 5 men, 17 women, with a mean age of 55 years (median 59, range 29-73 years). RESULTS: In 25 aneurysms, 24 p48 flow diverters were placed. In 1 patient additional coils were placed in the aneurysm. Procedural vessel rupture by the micro guidewire occurred in 2 patients and vessel rupture during p48 balloon dilatation occurred in 1 patient. Overall, the permanent morbidity rat...
Source: Interventional Neuroradiology - November 12, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

A short history of thrombectomy - Procedure and success analysis of different endovascular stroke treatment techniques.
CONCLUSION: Technical success of MT has improved substantially over the past decade owing to improved materials and procedural innovations. Combination techniques including flow modulation have emerged to be the most effective approach and should be considered as a standard of care.Level of evidence: Level 3, retrospective study. PMID: 33167756 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - November 12, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Stent-assisted coil embolization for an unruptured vertebral artery-posterior inferior cerebellar artery aneurysm with retrograde access via type 1 persistent primitive proatlantal artery: A case report.
We report a case of endovascular treatment for a VA-PICA aneurysm with a stent-assisted technique using retrograde access via contralateral persistent primitive proatlantal artery (PPA).The patient was a 76-year-old woman with an unruptured VA-PICA aneurysm on the dominant VA side. Coil embolization with a stent-assisted technique using retrograde access seemed appropriate. However, the origin of the left VA was not confirmed. Left common carotid artery angiography demonstrated that the PPA (type 1) branching from external carotid artery joined the VA V4 segment.Retrograde access via the PPA for stenting was performed. A m...
Source: Interventional Neuroradiology - November 12, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Bleomycin for orbital and peri-orbital veno-lymphatic malformations - A systematic review.
CONCLUSION: Bleomycin/pingyangmycin sclerotherapy is very effective and relatively safe for the treatment of orbital and periorbital VLM and is not associated with any major side effects including pulmonary fibrosis.Limitations: The systematic review is limited mainly due to low quality of the included studies with retrospective design. PMID: 33175616 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - November 12, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Transradial access for embolization of cerebral aneurysms with the woven EndoBridge device: Case series and review of the literature.
CONCLUSIONS: Transradial embolization of cerebral aneurysms with the WEB device is safe and feasible with low rates of access failure or complications. PMID: 33175617 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - November 12, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Population health impact of extended window thrombectomy in acute ischemic stroke.
CONCLUSION: Extended window EVT with DEFUSE-3 and DAWN criteria increases EVT volume and modestly improves population-level clinical outcomes. PMID: 33153379 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - November 11, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Clinical characteristics associated with sentinel headache in patients with unruptured intracranial aneurysms.
This study was performed to explore the existence and clinical characteristics of SH associated with aneurysms. METHODS: Thirty-six patients with a single UIA were collected in this study. Patients were symptomatically categorized into two groups: SH and non-SH. The PHASES scores and patient and aneurysm characteristics were analyzed. Two independent MRI experts who were blinded to the patients' clinical history conducted the analysis of the SWI results. RESULTS: There were 15 patients with sentinel headache. No significant difference was found in patient's basic information and history. The SH group had a higher P...
Source: Interventional Neuroradiology - November 7, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Hemorrhagic events associated with unfused or twig-like configuration of the Middle cerebral artery: A rare vascular anomaly with clinical relevance.
CONCLUSION: Tw-MCA is a very rare vascular anomaly associated with hemorrhagic events. Adequate identification of this anomaly is essential in order to avoid misdiagnosis as steno-occlusive disorders. PMID: 33121291 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - November 1, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Endovascular treatment for ruptured vertebral dissecting aneurysms involving PICA: Reconstruction or deconstruction? Experience from 16 patients.
CONCLUSIONS: For patients with good contralateral circulation, PAO could be a first line management for ruptured VDAs with PICA involved. Targeted-trapping with either reserved PICA or proximal occlusion with moderate coiling in aneurysm are promising modalities to prevent severe PICA infraction. PMID: 33115297 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - October 30, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Dissecting aneurysms of the posterior cerebral artery - A retrospective review of imaging, angiographic characteristics, endovascular management and outcome.
CONCLUSION: Among the various management strategies for dissecting PCA aneurysms, PVO is feasible and relatively safe even in absence of BTO in scenarios like critically ill patients with ruptured aneurysms, difficult access and financial constraints. Thromboembolic complications and antiplatelet therapy is a concern in reconstructive strategies. PMID: 33115298 [PubMed - as supplied by publisher] (Source: Interventional Neuroradiology)
Source: Interventional Neuroradiology - October 30, 2020 Category: Radiology Tags: Interv Neuroradiol Source Type: research