keyword
https://read.qxmd.com/read/38041666/first-in-human-trial-of-a-self-expandable-temporary-dilation-system-for-intracranial-atherosclerotic-disease-in-patients-presenting-with-acute-ischemic-stroke
#21
JOURNAL ARTICLE
Tsuyoshi Ohta, Masataka Takeuchi, Hiroshi Yamagami, Kazuma Tsuto, Shiro Yamamoto, Katsunori Asai, Akira Ishii, Hirotoshi Imamura, Shinichi Yoshimura, Ryu Fukumitsu, Chiaki Sakai, Nobuyuki Sakai, Satoshi Tateshima
BACKGROUND: Intracranial atherosclerotic disease (ICAD) significantly contributes to ischemic stroke, especially among Asian populations. Large vessel occlusion (LVO) due to underlying ICAD accounts for 15-35% of acute ischemic stroke cases requiring endovascular therapy. However, the successful recanalization rate of ICAD-related LVO remains lower. The TG dilator is a self-expandable device, temporarily dilating ICAD-related blocked blood vessels. OBJECTIVE: To demonstrate TG dilator safety and efficacy for ICAD-related acute ischemic stroke...
November 24, 2023: Journal of Neurointerventional Surgery
https://read.qxmd.com/read/38025255/devices-and-techniques
#22
REVIEW
Naoki Kaneko, Kenichi Sakuta, Taichiro Imahori, Hannah Gedion, Mahsa Ghovvati, Satoshi Tateshima
This extensive review explores the intricacies of the three principal mechanical thrombectomy techniques: the stent retriever technique, contact aspiration technique, and a combined approach, and their application in managing acute ischemic stroke. Each technique operates uniquely on the thrombus, leading to differences in their efficacy. Factors including clot size, clot stiffness, vessel tortuosity, and the angle of interaction between the aspiration catheter and the clot significantly influence these differences...
2023: Journal of neuroendovascular therapy
https://read.qxmd.com/read/37965112/technical-pitfalls-and-proposed-modifications-of-instructions-for-use-for-endovascular-aortic-aneurysm-repair-using-the-gore-excluder-conformable-device-in-angulated-and-short-landing-zones
#23
Andrea Vacirca, Titia A L Sulzer, Thomas Mesnard, Aidin Baghbani-Oskouei, Laura Ocasio, Thanila A Macedo, Hence J M Verhagen, Robert Rhee, Gustavo S Oderich
We describe a case of an abdominal aortic aneurysm (AAA) and angulated proximal neck treated with a Gore Excluder conformable endoprosthesis and show relevant technical pitfalls in the deployment of the graft main body. An 82-year-old man presented with a 71-mm asymptomatic AAA with an angulated infrarenal proximal neck (75°) and was referred to our unit. The patient was treated with a 26-mm Gore Excluder conformable device, which was deployed slightly above the renal arteries after precatheterization of the lowest renal artery...
December 2023: Journal of Vascular Surgery Cases and Innovative Techniques
https://read.qxmd.com/read/37953908/filter-type-protection-device-retrieval-interfered-by-deployed-stent-during-subclavian-artery-stenosis-treatment-case-report-and-complication-avoidance-recommendation
#24
Nobuyuki Mitsui, Manabu Kinoshita, Junji Nakazawa, Hirokazu Ozaki, Teruo Kimura
Endovascular treatment is a standard procedure for subclavian artery stenosis or obstruction. However, great care should be taken to avoid embolic complications to the vertebral artery, and several methods have previously been reported. Hence, as surgical procedures become increasingly complicated, unintended issues may arise during treatment. Here, the authors report a case where the filter-type protection device was caught in the stent because the patient moved during treatment, leading to open surgery to recover the filter-type protection device. A 78-year-old female suffering from a left subclavian steal syndrome underwent stenting due to subclavian artery stenosis...
2023: NMC Case Report Journal
https://read.qxmd.com/read/37881373/the-efficacy-and-safety-of-mechanical-thrombectomy-in-posterior-circulation-large-vessel-occlusion-as-compared-to-anterior-circulation-large-vessel-occlusion-a-systematic-review
#25
REVIEW
Anandkumar Patel, Heet N Desai, Kofi D Seffah, Namballa Naveen, Vamsi Krishna, Safeera Khan
Mechanical thrombectomy (MT) has been established as a standard of care for patients with stroke due to anterior circulation large vessel occlusion (AC-LVO). Due to a lack of robust evidence for the effectiveness of mechanical thrombectomy, intravenous thrombolysis (IVT) is still the only approved first-line acute reperfusion strategy for posterior circulation large vessel occlusion (PC-LVO). This systematic review analyzes and reports on the effectiveness and safety of MT in PC-LVO. A literature review was performed to identify all studies of patients with acute ischemic stroke due to PC-LVO who underwent MT with second-generation devices (stent retrievers and/or aspiration devices) that were reported between January 2017 and January 2023...
September 2023: Curēus
https://read.qxmd.com/read/37878032/evaluation-of-effectiveness-and-safety-of-the-multizone-neva-tm-stent-retriever-for-mechanical-thrombectomy-in-ischemic-stroke
#26
JOURNAL ARTICLE
Max Masthoff, Hermann Krähling, Burak Han Akkurt, Mohamed Elsharkawy, Michael Köhler, Mostafa Ergawy, Christian Thomas, Wolfram Schwindt, Jens Minnerup, Paul Stracke
PURPOSE: This study aimed to evaluate the effectiveness and safety of the NeVaTM stent retriever as first- and second-line device for mechanical thrombectomy in acute ischemic stroke. METHODS: In this retrospective single-center study, all consecutive patients that underwent mechanical thrombectomy with NeVaTM stent retriever as first- or second-line device due to intracranial vessel occlusion with acute ischemic stroke between March and November 2022 were included...
December 2023: Neuroradiology
https://read.qxmd.com/read/37872684/nickel-related-hypersensitivity-reactions-following-endovascular-interventions-a-review-of-current-evidence
#27
REVIEW
Vanessa H Tjen, Paul Zichu Yang
INTRODUCTION: Nickel is a principal alloying agent in the production of vascular endoprostheses, despite persisting as the most habitually identified allergen. Variable nickel-related hypersensitivity manifestations following endovascular intervention were reported, challenging established paradigms in treatment and accuracy of prognostic assessments. The objective of this review is to critically evaluate current metrics to maximise patient-related outcomes. METHODS: A literature review was conducted in compliance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) 2009 statement...
2023: Science Progress
https://read.qxmd.com/read/37847747/mechanical-thrombectomy-with-a-new-intermediate-balloon-catheter-combining-the-bgc-and-dac-features-initial-clinical-experience-with-the-inedit-device
#28
JOURNAL ARTICLE
Alejandro Tomasello, Laura Ludovica Gramegna, Pedro Vega, Carlos Castaño, Manuel Moreu, Carlos Dominguez, Juan Macho
INTRODUCTION: The iNedit balloon distal access catheter is a novel thrombectomy device. It has an inner diameter of 0.058″, proximal outer diameter of 2.13 mm, and distal outer diameter of 1.67mm. It is compatible with a 0.088″ guide catheter and includes a balloon located 5 cm from the catheter tip, enabling proximal flow restriction and combined therapy with stent retrievers. We investigate the appraisal of the use, safety, and efficacy of the iNedit catheter in the first-in-human study...
October 17, 2023: Interventional Neuroradiology
https://read.qxmd.com/read/37835028/the-stream-device-a-retrospective-review-of-51-cases
#29
JOURNAL ARTICLE
Karlis Kupcs, Patricija Sproge, Katrina Kupca, Pervinder Bhogal
UNLABELLED: Mechanical thrombectomy is the gold-standard treatment for patients that have suffered large-vessel occlusion (LVO) stroke. Various different stent-retrievers, aspiration catheters, and techniques have been developed to perform this procedure. We present our initial results regarding the Stream device. MATERIALS AND METHODS: We performed a retrospective review of a prospectively maintained database at our high-volume centre to identify all patients treated with the Stream device between February 2021 and January 2023...
October 6, 2023: Journal of Clinical Medicine
https://read.qxmd.com/read/37807666/in-vitro-comparison-of-manual-and-robotic-endovascular-thrombectomy-for-acute-ischemic-stroke
#30
JOURNAL ARTICLE
Naoki Kaneko, Charles Beaman, Taichiro Imahori, Ariel Takayanagi, Hamidreza Saber, Satoshi Tateshima
BACKGROUND: Robotic endovascular systems have the potential to reduce radiation exposure to physicians and expand timely neurointerventional access to patients in remote areas. The goal of the study was to determine the feasibility of robotic endovascular thrombectomy (EVT) in an in vitro model. METHODS: In vitro procedures were conducted manually and robotically using the Corpath GRX robotic system in a human vascular simulator with an elastic ovine clot in the M1 segment of the left middle cerebral artery...
October 8, 2023: Interventional Neuroradiology
https://read.qxmd.com/read/37793796/matched-pair-analysis-of-patients-with-ischemic-stroke-undergoing-thrombectomy-using-next-generation-balloon-guide-catheters
#31
JOURNAL ARTICLE
Lily H Kim, John Choi, James Zhou, Dylan Wolman, Arjun V Pendharkar, Maarten G Lansberg, Gregory W Albers, Robert Dodd, Huy M Do, Benjamin Pulli, Jeremy J Heit, Nicholas A Telischak
BACKGROUND: Balloon guide catheters (BGCs) have not been widely adopted, possibly due to the incompatibility of past-generation BGCs with large-bore intermediate catheters. The next-generation BGC is compatible with large-bore catheters. We compared outcomes of thrombectomy cases using BGCs versus conventional guide catheters. METHODS: We conducted a retrospective study of 110 thrombectomy cases using BGCs (n=55) and non-BGCs (n=55). Sixty consecutive thrombectomy cases in whom the BOBBY BGC was used at a single institution between February 2021 and March 2022 were identified...
October 4, 2023: Journal of Neurointerventional Surgery
https://read.qxmd.com/read/37792673/two-devices-in-one-channel-method-for-fractured-pancreatic-duct-stent-retrieval-in-a-case-of-severe-chronic-pancreatitis
#32
Kensuke Takuma, Yusuke Kimura, Naoki Okano, Hiroki Nakagawa, Kouji Watanabe, Yuto Yamada, Susumu Iwasaki, Ken Ito, Yoshinori Igarashi, Takahisa Matsuda
No abstract text is available yet for this article.
October 4, 2023: Journal of Hepato-biliary-pancreatic Sciences
https://read.qxmd.com/read/37763011/contemporary-methods-for-detection-and-intervention-of-distal-medium-and-small-vessel-occlusions
#33
REVIEW
Anthony Piscopo, Mario Zanaty, Kathleen Dlouhy
The efficacy of using mechanical thrombectomy for proximal large vessel occlusions has been demonstrated in multiple large-scale trials and has further raised the question of its potential utility for distal medium and small vessel occlusions (DMSVOs). Their longer, more tortuous course and smaller corresponding vascular territories render a significant challenge for detection and intervention. The aim of this study is to provide a comprehensive overview of the current imaging and endovascular intervention options for DMSVOs and review the current works in the literature...
September 20, 2023: Journal of Clinical Medicine
https://read.qxmd.com/read/37702150/ping-pong-snaring-of-a-totally-dislodged-stent-across-left-main-ostium-all-is-not-lost
#34
Attilio Restivo, Alessio Stanzione, Diego Maffeo, Andrea Buono
Undeployed stent loss is a rare but potentially serious complication of percutaneous coronary intervention. Its management is not assisted by well-defined guidelines, and it is made even more difficult when the dislodged stent is not protected by in situ guidewire. In this work, we present the case of a total stent loss with a crushed device protruding out of the left main. In this hopeless circumstance, an innovative ping-pong technique was used to contralaterally perform a successful stent retrieval.
September 13, 2023: Catheterization and Cardiovascular Interventions
https://read.qxmd.com/read/37671457/single-center-experience-using-3%C3%A2-mm-trevo-stent-retrievers-in-medium-vessel-occlusion-thrombectomy
#35
JOURNAL ARTICLE
Christopher H Zhao, Manisha Koneru, James E Siegler, Nicholas Vigilante, Jane Khalife, Daniel A Tonetti, Hamza Shaikh
BACKGROUND: Endovascular mechanical thrombectomy has been shown to benefit select patients with acute ischemic stroke caused by medium vessel occlusion, aided by recent advancements in endovascular mechanical thrombectomy devices that facilitate navigation through narrower vasculature. In this study, we aim to evaluate the safety and efficacy of using the 3 mm Trevo NXT stent retriever (Stryker, Kalamazoo, MI) for endovascular mechanical thrombectomy in patients with acute ischemic stroke caused by medium vessel occlusion...
September 6, 2023: Interventional Neuroradiology
https://read.qxmd.com/read/37649344/the-balloon-occlusion-sheath-for-stroke-boss-balloon-guide-catheter-for-stroke-intervention-safety-and-technical-success
#36
JOURNAL ARTICLE
Joshua A Cuoco, John J Entwistle, Farhan Siddiq, Ajit S Puri, Keith Woodward, Ricardo A Hanel, Sameer A Ansari, Donald Frei, Biraj M Patel
BACKGROUND: We describe the first-in-human experience using the Balloon Occlusion Stroke Sheath (BOSSTM ) balloon-guide catheter to perform stroke thrombectomy in 50 consecutive patients enrolled in the Flow Arrest Safety and Technical success with balloon-guide catheters trial. This aspiration system includes a novel 9.4F balloon-guide catheter conduit for the insertion and guidance of catheters with a balloon providing temporary flow arrest. METHODS: The Flow Arrest Safety and Technical success with balloon-guide catheter trial is a single-arm, prospective, multi-center, non-randomized, observational registry evaluating the use of the market-released BOSSTM balloon-guide catheter in adult patients diagnosed with an acute ischemic stroke attributable to large vessel occlusion...
August 30, 2023: Interventional Neuroradiology
https://read.qxmd.com/read/37642975/device-use-trends-in-neuroendovascular-procedures-in-the-united-states-from-2015-to-2020
#37
JOURNAL ARTICLE
Arjun Rohit Adapa, Fazeel M Siddiqui, Aditya S Pandey
BACKGROUND: Neuroendovascular therapies involve an everchanging landscape of new technologies. Understanding the real-world timeframe of adaptation of such technologies can provide further guidance on mechanisms that could be employed to shorten the duration necessary for the widespread use of proven therapies. In this study, we aim to investigate the trends in the use of neuroendovascular technologies, utilizing the sales of neuroendovascular devices, as a proxy for procedural volume...
August 29, 2023: Interventional Neuroradiology
https://read.qxmd.com/read/37611801/immediate-and-90-days-clinical-outcome-of-acute-stroke-patients-treated-with-the-neva-vesalio-mechanical-thrombectomy-device-a-retrospective-case-series
#38
JOURNAL ARTICLE
George-Joseph Melki, Jelle Demeestere, Annouschka Laenen, Lawrence Bonne, Eveline Claus, Julie Lambert, Pieter-Jan Buyck, Jo Peluso, Philippe Demaerel, Robin Lemmens, Geert Maleux
OBJECTIVE: The NeVaTM stent-retriever is a newly designed mechanical thrombectomy device for the treatment of acute ischemic stroke caused by large vessel occlusion. We investigate the procedural characteristics and patients' clinical outcome at discharge and at 90 days of follow-up. METHODS: We retrospectively reviewed a cohort of 75 patients (median age: 74 years) treated with the NeVaTM device for acute large vessel occlusion stroke. Per pass modified Treatment in Cerebral Infarction (mTICI) scores, procedural complications and clinical outcome parameters including National Institute of Health Stroke Scale (NIHSS), modified Rankin Scale (mRS) and mortality were analysed, based on patients' electronic medical records...
August 21, 2023: World Neurosurgery
https://read.qxmd.com/read/37586816/augmentation-of-flow-diverter-vessel-wall-apposition-using-the-comaneci-device-case-experience-from-a-novel-off-label-technique
#39
JOURNAL ARTICLE
Li-Mei Lin, Jonathan Collard de Beaufort, Alice S Wang, Jessica K Campos, David A Zarrin, Benjamen M Meyer, Geoffrey P Colby, Alexander L Coon
BACKGROUND: Flow diversion (FD) embolization of intracranial cerebral aneurysms is an increasingly common modality where treatment success depends on adequate vessel wall apposition of the device. This study aimed to investigate off-label use of the Comaneci device for augmenting vessel wall apposition in post-deployed flow diversion stents (FDS). METHODS: Over a 20- month period, all FD cases for the treatment of internal carotid artery (ICA) aneurysms were reviewed...
August 16, 2023: Journal of Neurointerventional Surgery
https://read.qxmd.com/read/37502131/retrieval-of-n-butyl-2-cyanoacrylate-glue-migrated-to-the-vertebral-artery-via-dangerous-anastomosis-using-the-stent-retriever-aspiration-technique-during-dural-arteriovenous-fistula-embolization-a-case-report
#40
Masaru Kiyomoto, Eishi Sato, Taro Yanagawa, Yoichi Harada, Toru Hatayama, Takuji Kono
OBJECTIVE: We report a case of accidental N-butyl-2-cyanoacrylate (NBCA) glue migration into the vertebral artery (VA) via dangerous anastomosis during transarterial embolization (TAE) for transverse sinus (TS)-dural arteriovenous fistula (DAVF), which was rescued by mechanical retrieval using a stent retriever and aspiration devices. CASE PRESENTATION: A 49-year-old right-handed female patient was admitted to our hospital with motor aphasia. MRI revealed congestion in the left temporal and occipital lobes, involving a small hemorrhage...
2023: Journal of neuroendovascular therapy
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