keyword
Keywords endovascular surgical neurorad...

endovascular surgical neuroradiology

https://read.qxmd.com/read/37350047/endovascular-treatment-simulations-using-a-novel-in-vitro-brain-arteriovenous-malformation-model-based-on-three-dimensional-printing-millifluidic-technology
#21
JOURNAL ARTICLE
Rivera Rodrigo, Cespedes Alvaro, Cruz Juan Pablo, Rivera Gladys Carlota, Valencia Alvaro, Rouchaud Aymeric, Mounayer Charbel
BACKGROUND: Brain arteriovenous malformations (bAVM) are complex vascular diseases. Several models have been used to simulate endovascular treatments; thus in vitro models have not been widely employed because it has been difficult to recreate realistic phantoms of this disease. OBJECTIVE: To describe the development and evaluate the preliminary experience of a novel bAVM in vitro model for endovascular embolization using millifluidic three-dimensional (3D) printing technology...
June 22, 2023: Interventional Neuroradiology
https://read.qxmd.com/read/37255885/successful-endovascular-treatment-of-a-traumatic-cervical-arteriovenous-fistula-after-a-carotid-paraganglioma-resection-a-case-report
#22
Alejandro J Quiroz Alfaro, Andrés F Herrera Ortíz, Orlando M Diaz, Joaquin Hidalgo, José A Hakim Tawil, José D Cardona Ortegón, Juan A Mejía
Traumatic cervical arteriovenous fistulas are rare, accounting for only 4% of all arteriovenous fistulas. They can be caused by penetrating, or rarely, blunt trauma, resulting in high-pressure arterial blood draining directly into a vein, decreasing distal perfusion. They are seldom reported as a complication of a carotid paraganglioma surgical resection. Historically, arteriovenous fistulas were treated initially conservatively, after that, surgically; nowadays, endovascular treatment, when feasible, is the preferred method as it offers advantages over surgery...
April 2023: Curēus
https://read.qxmd.com/read/37169541/a-pragmatic-randomized-trial-comparing-surgical-clipping-and-endovascular-treatment-of-unruptured-intracranial-aneurysms
#23
RANDOMIZED CONTROLLED TRIAL
T E Darsaut, J M Findlay, M W Bojanowski, C Chalaala, D Iancu, D Roy, A Weill, W Boisseau, A Diouf, E Magro, M Kotowski, M B Keough, L Estrade, N Bricout, J-P Lejeune, M M C Chow, C J O'Kelly, J L Rempel, R A Ashforth, H Lesiuk, J Sinclair, U-E Erdenebold, J H Wong, F Scholtes, D Martin, B Otto, A Bilocq, E Truffer, K Butcher, A J Fox, A S Arthur, L Létourneau-Guillon, F Guilbert, M Chagnon, J Zehr, B Farzin, G Gevry, J Raymond
BACKGROUND AND PURPOSE: Surgical clipping and endovascular treatment are commonly used in patients with unruptured intracranial aneurysms. We compared the safety and efficacy of the 2 treatments in a randomized trial. MATERIALS AND METHODS: Clipping or endovascular treatments were randomly allocated to patients with one or more 3- to 25-mm unruptured intracranial aneurysms judged treatable both ways by participating physicians. The study hypothesized that clipping would decrease the incidence of treatment failure from 13% to 4%, a composite primary outcome defined as failure of aneurysm occlusion, intracranial hemorrhage during follow-up, or residual aneurysms at 1 year, as adjudicated by a core lab...
June 2023: AJNR. American Journal of Neuroradiology
https://read.qxmd.com/read/36972494/diversity-among-endovascular-neurointerventionalists-in-canada-results-of-a-national-survey-2022
#24
JOURNAL ARTICLE
Ze'ev Itsekzon-Hayosh, Ronit Agid
AIM: Neurointervention (NIR) is a relatively new developing filed of medicine. Diversity and inclusion in various medical fields has made a significant progress. However, many surgical and interventional fields are still lagging in this respect. The aim of this study was to evaluate the degree of diversity and inclusion amongst neurointerventionalists in Canada. MATERIALS AND METHODS: A survey was completed in June 2022 by each neurointerventional division in Canada...
March 27, 2023: Interventional Neuroradiology
https://read.qxmd.com/read/36883231/traumatic-posterior-cerebral-artery-dissection-and-dissecting-aneurysms-a-systematic-review-with-an-illustrative-case-report
#25
REVIEW
Muhammed Amir Essibayi, Panagiotis Kerezoudis, Zafer Keser, Giuseppe Lanzino
BACKGROUND: Traumatic posterior cerebral artery (tPCA) dissection and dissecting aneurysms are rare and constitute a challenging clinical entity. OBJECTIVE: We analyze existing literature on tPCA dissection and present our institutional experience. METHODS: We retrospectively queried our database for tPCA isolated dissection or dissecting aneurysms from 2008 until now and conducted a systematic literature review of published cases. We analyzed the clinical and radiographic characteristics and treatment outcomes of tPCA dissection...
March 7, 2023: Interventional Neuroradiology
https://read.qxmd.com/read/36739896/midline-suboccipital-unilateral-trans-cerebellomedullary-fissure-approach-for-clipping-of-ruptured-va-pica-aneurysm-two-dimensional-operative-video
#26
Satoshi Matsuo, Ryota Kurogi, Yoshihiko Motohara, Toru Hasegawa, Hidenori Yoshida, Kiyotaka Fujii
The vertebral artery-posterior inferior cerebellar artery (VA-PICA) aneurysm poses a technical challenge for microsurgical clipping due to its anatomical complexity, which requires dissection of lower cranial nerves. Endovascular treatment is regarded as a feasible first-line therapeutic option for VA-PICA aneurysm due to it having an acceptable aneurysm occlusion rate and being less invasive. However, microsurgical clipping remains an effective treatment option. We present the case of a 62-year-old man who presented with subarachnoid hemorrhage(SAH) due to a ruptured VA-PICA aneurysm...
February 3, 2023: World Neurosurgery
https://read.qxmd.com/read/36617952/management-paradigms-of-persistent-primitive-trigeminal-artery-aneurysms-a-systematic-review-and-analysis-of-techniques-and-complications-from-1960s-to-2022-from-conservative-to-surgical-to-endovascular-how-far-along-the-right-path-are-we
#27
REVIEW
Sanjeev Sreenivasan, Neha Agarwal, Sudipta Roychowdhury, Priyank Khandelwal, Hai Sun, Amit Singla, Ashish Sonig, Gaurav Gupta
INTRODUCTION: Aneurysms of persistent primitive trigeminal artery (PPTAAs) are increasingly reported and commonly managed by endovascular (EN) techniques. There are no systematic reviews or meta-analyses which analyse outcomes and complications of treatment modalities for PPTAAs. We aim to highlight the change in trend of management of PPTAAs and to identify clinical and radiological parameters which may influence management paradigms. METHODOLOGY: A systematic search of literature was done in PubMed, Embase, Google Scholar, Cochrane library and Medline using keywords 'persistent primitive trigeminal artery', 'aneurysms', 'embolization', 'surgical clipping', etc...
January 9, 2023: Interventional Neuroradiology
https://read.qxmd.com/read/36581455/the-dominant-anterior-thoracic-artery-of-the-spinal-cord
#28
JOURNAL ARTICLE
J E Small, V H Pérez Pérez
BACKGROUND AND PURPOSE: Dominant radiculomedullary arteries such as the artery of lumbar enlargement and the artery of cervical enlargement are well-documented. However, variability exists as to the size, number, and location of other radiculomedullary arteries contributing supply to the anterior spinal artery. The aim of this anatomic study was to document the prevalence and characteristics of the dominant anterior thoracic artery in cadaveric specimens. MATERIALS AND METHODS: Microsurgical dissection of cadaveric human spinal cord specimens ( n = 50) was conducted...
January 2023: AJNR. American Journal of Neuroradiology
https://read.qxmd.com/read/36357986/technical-video-onyx-18-embolization-of-spinal-epidural-arteriovenous-fistula-using-the-scepter-mini-balloon-catheter
#29
JOURNAL ARTICLE
Krishna Amuluru, Andrew Denardo, John Scott, Troy Payner, Charles Kulwin, Daniel H Sahlein
Spinal arteriovenous fistulas (AVFs) account for approximately 70% of all vascular spinal malformations and commonly develop in the lateral epidural space at the epidural /radicular venous junction. The fistula is located close to the spinal nerve root where a radiculomeningeal artery shunts to a radicular vein. Increased venous pressure leads to decreased spinal venous drainage and venous congestion causing progressive myelopathy, bowel/bladder incontinence and erectile dysfunction. Treatment consists of surgical occlusion of the intradural vein, or endovascular embolization, which has a reported success rate of 25%-75%...
November 10, 2022: Interventional Neuroradiology
https://read.qxmd.com/read/36324971/revisiting-parkinson-after-six-decades-his-triangle-remains-useful
#30
Raphael Vicente Alves, Leonardo Corrêa Sousa, Juliana Passinho Azevedo Rodrigues, Kaito Alves Carvalho Laube
Background: The welcome advent and subsequent development of interventional neuroradiology led to an important paradigm shift in the management of many cerebrovascular diseases. This paradigm shift is especially true for carotid cavernous fistula and, for some time now, endovascular techniques are the mainstay approach for these lesions. The neurosurgical intervention should be adopted when the endovascular treatment is not practicable. Case Description: We present the surgical solution adopted to treat a patient with an indirect carotid cavernous fistula (CCF), with quickly progressive symptoms, in which it was not possible to treat using the currently standardized endovascular technique...
2022: Surgical Neurology International
https://read.qxmd.com/read/36299241/trans-radial-spinal-angiography-a-single-center-experience
#31
JOURNAL ARTICLE
Coridon Quinn, Kamran Masood, Tapan Mehta, Karan Topiwala, Andrew Grande, Ramachandra Tummala, Bharathi D Jagadeesan
INTRODUCTION: Spinal angiography (SpAn) is the gold standard for diagnosis of spinal dural fistulas and arteriovenous malformations. A complete spinal angiogram necessitates the interrogation of the segmental arteries arising from the aorta at every level as well, the internal iliac; and median sacral arteries at the caudal end; and the cervical vasculature at the cranial end. SpAn has traditionally been performed with transfemoral arterial access and could be challenging. Of late, transradial arterial access has emerged as a popular alternative for endovascular surgical Neuroradiology (ESN) procedures including SpAn...
October 26, 2022: Interventional Neuroradiology
https://read.qxmd.com/read/36217723/intraoperative-identification-of-the-lateral-spinal-artery-in-a-case-of-craniocervical-junction-dural-arteriovenous-fistula-surgically-obliterated
#32
JOURNAL ARTICLE
Ryota Ishibashi, Yoshinori Maki, Hiroyuki Ikeda, Masaki Chin
BACKGROUND: The formation of a dural arteriovenous fistula (DAVF) at the craniocervical junction is rare. Such a fistula can be fed by the branches of the vertebral and external carotid arteries. The lateral spinal artery can branch from the vertebral artery. The feeders of a DAVF at the craniocervical junction are often diagnosed on preoperative angiography, and there is little reported evidence on the intraoperative diagnosis of the lateral spinal artery. CASE DESCRIPTION: An 84-year-old man presented with motor weakness and sensory disturbance of the lower extremities...
October 10, 2022: Neuroradiology Journal
https://read.qxmd.com/read/36137654/surgical-or-endovascular-treatment-of-mca-aneurysms-an-agreement-study
#33
JOURNAL ARTICLE
W Boisseau, T E Darsaut, R Fahed, J M Findlay, R Bourcier, G Charbonnier, S Smajda, J Ognard, D Roy, F Gariel, A P Carlson, E Shotar, G Ciccio, G Marnat, P B Sporns, T Gaberel, V Jecko, A Weill, A Biondi, G Boulouis, A L Bras, S Aldea, T Passeri, S Boissonneau, N Bougaci, J C Gentric, J D B Diestro, A T Omar, H M Al-Jehani, G El Hage, D Volders, Z Kaderali, I Tsogkas, E Magro, Q Holay, J Zehr, D Iancu, J Raymond
BACKGROUND AND PURPOSE: MCA aneurysms are still commonly clipped surgically despite the recent development of a number of endovascular tools and techniques. We measured clinical uncertainty by studying the reliability of decisions made for patients with middle cerebral artery (MCA) aneurysms. MATERIALS AND METHODS: A portfolio of 60 MCA aneurysms was presented to surgical and endovascular specialists who were asked whether they considered surgery or endovascular treatment to be an option, whether they would consider recruitment of the patient in a randomized trial, and whether they would provide their final management recommendation...
October 2022: AJNR. American Journal of Neuroradiology
https://read.qxmd.com/read/36113459/direct-carotid-artery-puncture-for-acute-ischemic-stroke-local-experience-and-systematic-review
#34
JOURNAL ARTICLE
Chun Yin, Yasuo Ding, Hao Chang
BACKGROUND: To establish surgical access during endovascular treatment of ischemic stroke, femoral artery puncture is most commonly performed followed by a small number of radial artery access procedures. However, there are few reports of carotid artery puncture. METHODS: We report the case of an 87-year-old woman who was admitted to hospital with hemiplegia of the left limb and loss of consciousness for 40 min, accompanied by urinary incontinence. After complicated transfemoral and transradial attempts, the patient underwent emergency direct carotid artery puncture (DCAP) for the treatment of acute ischemic stroke...
September 13, 2022: Interventional Neuroradiology
https://read.qxmd.com/read/36086815/treatment-of-filum-terminale-pial-arteriovenous-fistulas-in-the-sacral-region-a-case-report-and-systematic-review
#35
JOURNAL ARTICLE
Yunbao Guo, Jinlu Yu
Spinal filum terminale pial arteriovenous fistulas (FT PAVFs) are uncommon. Most FT PAVFs are located in the lumbar region; far fewer are located in the sacral region. Due to the rarity of sacral FT PAVFs, the precise surgical dissection and removal of these lesions are challenging. Here, we report an FT PAVF in the sacral region. The patient was a 45-year-old male who suffered from progressive weakness and numbness of the bilateral lower limbs; his symptoms gradually worsened. Digital subtraction angiography (DSA) showed an AVF at the sacral canal at the S3-4 level...
September 9, 2022: Neuroradiology Journal
https://read.qxmd.com/read/36056236/persistent-trigeminal-artery-associated-with-an-occipital-arteriovenous-malformation-a-case-report-and-literature-review
#36
JOURNAL ARTICLE
Luis Alberto Rodriguez-Hernandez, Pablo Martinez, Iván Baracaldo, Monica Alonso, Diego Lopez-Mena, Héctor Alfredo Montenegro Rosales
BACKGROUND: Persistent trigeminal artery or persistent primitive trigeminal artery (PTA) is the most common carotid-basilar anastomosis in both cadaveric and live patient studies, followed by persistent hypoglossal and persistent otic arteries. Approximately 0.2% of all angiographies reported this finding. CASE REPORT: We present the case of a 21-year-old male who arrived at the emergency department with tonic‒clonic seizures. After performing diagnostic contrast magnetic resonance imaging and digital subtraction angiography, the patient was diagnosed with a right occipital arteriovenous malformations (AVM) fed by the right calcarine artery associated with an ipsilateral PTA...
September 2, 2022: Surgical and Radiologic Anatomy: SRA
https://read.qxmd.com/read/35945997/giant-prolactinoma-embedded-by-pseudoaneurysm-of-the-cavernous-carotid-artery-treated-with-a-tailored-therapeutic-scheme
#37
REVIEW
Valeria Mercuri, Daniele Armocida, Francesco Paglia, Gargiulo Patrizia, Antonio Santoro, Luca D'Angelo
The coexistence of intracranial aneurysm (IA) is generally thought to be highest in patients with pituitary adenomas (PAs). Different mechanisms may play a role in aneurysm formation, but whether the PA contributes to aneurysm formation is still unclear. In the literature, there are numerous reported cases of this association; however, the analyses of the characteristics of PAs, aneurysms, and treatment management are rare and limited to a restricted number of case reports. We report a rare case of an embedded aneurysm in a macroprolactinoma treated with therapeutic management tailored to the clinical, neurological, and radiological characteristics of the patient...
July 2022: Journal of Neurosciences in Rural Practice
https://read.qxmd.com/read/35926886/flow-diversion-in-the-treatment-of-intracranial-aneurysms-a-pragmatic-randomized-care-trial
#38
REVIEW
J Raymond, D Iancu, W Boisseau, J D B Diestro, R Klink, M Chagnon, J Zehr, B Drake, H Lesiuk, A Weill, D Roy, M W Bojanowski, C Chaalala, J L Rempel, C O'Kelly, M M Chow, S Bracard, T E Darsaut
BACKGROUND AND PURPOSE: Flow diversion is a recent endovascular treatment for intracranial aneurysms. We compared the safety and efficacy of flow diversion with the alternative standard management options. MATERIALS AND METHODS: A parallel group, prerandomized, controlled, open-label pragmatic trial was conducted in 3 Canadian centers. The trial included all patients considered for flow diversion. A Web-based platform 1:1 randomly allocated patients to flow diversion or 1 of 4 alternative standard management options (coiling with/without stent placement, parent vessel occlusion, surgical clipping, or observation) as prespecified by clinical judgment...
September 2022: AJNR. American Journal of Neuroradiology
https://read.qxmd.com/read/35902121/tumor-embolization-through-meningohypophyseal-and-inferolateral-trunks-is-safe-and-effective
#39
JOURNAL ARTICLE
E Raz, D D Cavalcanti, C Sen, E Nossek, M Potts, S Peschillo, E Lotan, V Narayan, A Ali, V Sharashidze, P K Nelson, M Shapiro
BACKGROUND AND PURPOSE: Skull base tumors are commonly supplied by dural branches of the meningohypophyseal and inferolateral trunks. Embolization through these arteries is often avoided due to technical challenges and inherent risks; however, successful embolization can be a valuable surgical adjunct. We aimed to review the success and complications in our series of tumor embolizations through the meningohypophyseal and inferolateral trunks. MATERIALS AND METHODS: We performed a retrospective review of patients with tumor treated with preoperative embolization at our institution between 2010 and 2020...
July 28, 2022: AJNR. American Journal of Neuroradiology
https://read.qxmd.com/read/35901716/arteriovenous-malformations-of-the-filum-terminale-clinical-characteristics-angioarchitecture-and-management-of-a-rare-spinal-vascular-pathology
#40
JOURNAL ARTICLE
Michael Mull, Manuel Dafotakis, Gerrit Alexander Schubert, Franz-Josef Hans, Fidaa Jablawi
OBJECTIVE: The goal of this study was to describe clinical and neuroradiological features of arteriovenous malformations of the filum terminale (FT AVMs) and to present the authors' diagnostic and therapeutic management in this rare disease. METHODS: The presented cases were retrieved from a retrospectively collected database of all spinal vascular malformations treated between June 1992 and December 2021 at the Rheinisch-Westfälische Technische Hochschule (RWTH) University Hospital Aachen...
July 2022: Neurosurgical Focus
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