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https://www.readbyqxmd.com/read/28748256/bioresorbable-vascular-scaffolds-in-interventional-neuroradiology
#1
Anil Arat, Ergun Daglioglu, Ilkay Akmangit, Ahmet Peker, Murat Arsava, Mehmet Akif Topcuoglu, Deniz Belen
PURPOSE: Bioresorbable vascular scaffolds (BVS) have changed practice patterns in cardiology. These resorbable stents have not yet been utilized in the cerebrovascular circulation. We report the initial experiences with these devices in interventional neuroradiology. METHODS: A retrospective review of clinical presentations, imaging findings and follow-up results of all patients treated using a BVS by our neurovascular team was carried out using hospital electronic charts and the hospital radiographic archive system...
July 26, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28747077/sandwich-technique-for-endovascular-repair-of-acute-type-a-aortic-dissection
#2
Feng Gao, Qian Zeng, Fangming Lin, Xiaohu Ge
OVERVIEW: To describe a new endovascular procedure for acute type A aortic dissection (TAAD) repair. METHODS: Between 2013 and 2016, 12 patients (average age 54±9.6 years; 10 men) with acute TAAD (mean EURO score 11.4%±3.2%, range 5-17) and unfit for surgery underwent thoracic endovascular aortic repair (TEVAR) with 2 periscope grafts to preserve blood supply to supra-aortic branches plus bypass grafting as needed. If the ascending aorta was dilated to >40 mm, sternotomy was performed to wrap the ascending aorta and reduce its diameter to accommodate the aortic stent-grafts...
July 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28745701/-early-reconstruction-of-brachiocephalic-arteries-as-a-prevention-of-recurrent-ischemic-stroke
#3
A I Khripun, A V Salikov, A D Pryamikov, A B Mironkov, S A Asratyan, M V Abashin, V P Mikhailenko
AIM: To assess an efficacy and safety of brachiocephalic arteries reconstruction at the acute stage of stroke. MATERIAL AND METHODS: Early reconstruction of brachiocephalic arteries was made in 7 patients (mean age 67±9 years). Mean terms of brachiocephalic arteries reconstruction after stroke were 4.6 days (range 2-7 days). Pre- and postoperative neurological state was assessed by NIHSS score (mean preoperative score was 3.9±2.7 in these 7 patients, range 0-7)...
2017: Khirurgiia
https://www.readbyqxmd.com/read/28739521/effective-intraluminal-shunt-in-carotid-endarterectomy-for-carotid-artery-near-occlusion-a-technical-report
#4
Yoichiro Kawamura, Daisuke Maruyama, Yojiro Akagi, Koji Iihara
BACKGROUND: Carotid artery near occlusion is a critical degree of stenosis whereby blood flow is decreased and the distal cervical and intracranial internal carotid arteries (ICAs) are prone to collapse. Considering the diminished perfusion and the risk of progression to total occlusion and periocclusive embolism, we performed carotid endarterectomy (CEA) for carotid artery near occlusion. METHODS: Accurate evaluation of tandem stenosis or patency of the post-stenotic ICA in carotid artery near occlusion is often difficult preoperatively...
July 21, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28735954/endarterectomy-achieves-lower-stroke-and-death-rates-compared-with-stenting-in-patients-with-asymptomatic-carotid-stenosis
#5
REVIEW
Stavros K Kakkos, Ioannis Kakisis, Ioannis A Tsolakis, George Geroulakos
BACKGROUND: It is currently unclear if carotid artery stenting (CAS) is as safe as carotid endarterectomy (CEA) for patients with significant asymptomatic stenosis. The aim of our study was to perform a systematic review and meta-analysis of trials comparing CAS with CEA. METHODS: On March 17, 2017, a search for randomized controlled trials was performed in MEDLINE and Scopus databases with no time limits. We performed meta-analyses with Peto odds ratios (ORs) and 95% confidence intervals (CIs)...
August 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28735256/comparison-of-multimodal-intra-arterial-treatment-versus-intravenous-thrombolysis-for-hypertensive-patients-with-severe-large-vessel-cerebral-infarction
#6
Zuojun Tian, Geng Liao, Shaoming Li, Yuechun Shen, Changbing Chen, Lei Liu, Yiheng Li
Since intravenous thrombolysis (IVT) is often associated with poor outcomes in hypertensive patients with severe acute cerebral infarction (ACI) due to occlusions of the internal carotid, basilar, or proximal middle cerebral artery, we evaluated whether multimodal intra-arterial treatment (IAT) might improve functional outcomes in this patient population. We retrospectively reviewed the charts of eligible patients who underwent multimodal IAT including intra-arterial thrombolysis, mechanical thrombectomy, balloon and/or stent angioplasty (IAT group) or IVT alone (IVT group)...
July 21, 2017: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
https://www.readbyqxmd.com/read/28727356/-management-of-carotid-artery-stenosis
#7
Francesco Puccinelli, Marco Roffi, Nicolas Murith, Roman Sztajzel
Carotid artery atherosclerosis remains one of the major causes of stroke. The efficacy of carotid artery recanalization has already been established and is considered significant for symptomatic stenosis >70% and moderate for stenosis between 50-69 %. Regarding asymptomatic stenosis, carotid artery recanalization should be reserved for carefully selected patients with a stenosis between 70-90 % and an estimated procedural risk at less than 3 %. Two therapeutic options are currently available : angioplasty with stent placement and endarterectomy...
April 26, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28721332/to-stent-or-not-to-stent-a-tale-of-two-occlusions
#8
Ali S Haider, Lyndon K Lee, Tijani Osumah, Saira Alli, Umair Khan, Steven Vayalumkal, Aida Kafai Golahmadi, Richa Thakur, Phu Nguyen, Kennith F Layton
Stenting and balloon angioplasty, along with mechanical thrombectomy, have gained notability as adjunctive treatment options to intravenous tissue plasminogen activator (IV-tPA) for tandem internal carotid artery (ICA) and middle cerebral artery (MCA) occlusions (TIM occlusions). Acute ischemic strokes (AISs) secondary to TIM occlusions are associated with poor patient outcomes primarily due to low recanalization rates following intravenous thrombolysis, consequently prompting the need for more invasive recanalization efforts...
June 17, 2017: Curēus
https://www.readbyqxmd.com/read/28716303/early-results-of-endovascular-treatment-of-patients-with-bilateral-stenoses-of-the-internal-carotid-arteries-using-proximal-protection-systems-at-30-day-follow-up
#9
Paweł Latacz, Marian Simka, Tadeusz Popiela, Marek Kazibudzki, Tomasz Mrowiecki
BACKGROUND: Although surgical endarterectomy remains the treatment of choice for carotid artery stenosis, carotid artery stenting (CAS) with use of proximal protection systems (PPS) plays an very important role as alternative treatment modality, especially in patients with critical, symptomatic lesions. This study was single-centre study to evaluate the technical and clinical success of proximal protection devices as the first choice for embolic protection in symptomatic and asymptomatic carotid stenosis in patients with bilateral, advanced lesions of carotid arteries (bilateral stenoses or stenosis and occlusion)...
July 8, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28712899/iatrogenic-ascending-pharyngeal-artery-injury-by-pre-dilation-balloon-inflation-during-carotid-artery-stenting-with-flow-reversal
#10
Junpei Koge, Tomonori Iwata, Shigehisa Mizuta, Yukihiko Nakamura, Shun-Ichi Matsumoto, Takeshi Yamada
BACKGROUND: The ascending pharyngeal artery (APA) may rarely arise from the common carotid artery bifurcation. We herein report an injury to the APA as an unusual complication of pre-dilation balloon inflation during carotid artery stenting (CAS) with flow reversal. CASE DESCRIPTION: A 73-year-old man presented with symptomatic severe left cervical internal carotid artery (ICA) stenosis. The left APA arose from the common carotid artery bifurcation. We performed CAS with flow reversal to decrease the risk of distal embolization...
July 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28710049/trans-anterior-communicating-artery-primary-stenting-in-acute-tandem-middle-cerebral-artery-internal-carotid-artery-occlusion-due-to-thoracic-aortic-stent-graft
#11
Sergio Nappini, Nicola Limbucci, Giuseppe Leone, Antonio Laiso, Andrea Wlderk, Salvatore Mangiafico
No abstract text is available yet for this article.
July 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28710044/treatment-strategies-of-subarachnoid-hemorrhage-from-bilateral-vertebral-artery-dissection-a-case-report-and-literature-review-focusing-on-availability-of-stent-placement
#12
Yasuo Murai, Fumihiro Matano, Shoji Yokobori, Hidetaka Onda, Hiroyuki Yokota, Akio Morita
BACKGROUND: Bilateral vertebral artery dissection (VAD) may result in subarachnoid hemorrhage (SAH). However, a variety of factors contribute to the difficulties with treating SAH. We report a case of bilateral VAD with SAH, as well as a literature review. CASE DESCRIPTION: A 32-year-old woman developed headache. Computed tomography (CT) demonstrated diffuse SAH, and 3-dimensional CT indicated bilateral VAD. Her left vertebral artery was severely stenosed and the basilar artery was retrogradely flowed via the posterior communicating artery...
July 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28709707/endovascular-treatment-of-acute-ischemic-stroke-with-eric-device
#13
Laurent Pierot, Jean-Yves Gauvrit, Vincent Costalat, Michel Piotin, Charbel Mounayer, Denis Herbreteau, Sophie Gallas, René Anxionnat, Hubert Desal
BACKGROUND AND PURPOSE: After 6 positive randomized trials, mechanical thrombectomy with stent-retriever is now recommended as a first-line treatment for acute ischemic stroke (AIS). The ERIC device is a device with several interlinked cage-like spheres fixed on a pusher wire. Neurothrombectomy France (NTF) is a registry conducted in France to analyze the results of mechanical thrombectomy. In order to analyze its performances, the subgroup of patients treated with the ERIC device was analyzed...
July 11, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28708869/long-term-efficacy-and-safety-of-carotid-artery-stenting-versus-endarterectomy-a-meta-analysis-of-randomized-controlled-trials
#14
Yang Li, Jing-Jing Yang, Su-Hui Zhu, Biao Xu, Lian Wang
BACKGROUND: Many recent trials have investigated the long-term efficacy and safety of endarterectomy versus stenting in treating patients with carotid artery stenosis. We aimed to determine the long-term comparative efficacy and safety of both procedures by pooling this evidence in a meta-analysis. METHODS: We searched PubMed, EMBASE, and the Cochrane Central Register of Controlled Trials for studies published until May 6, 2016. Randomized controlled trials, which reported outcomes of interest with a median follow-up of at least 4-year, were included...
2017: PloS One
https://www.readbyqxmd.com/read/28704454/indocyanine-green-kinetics-with-near-infrared-spectroscopy-predicts-cerebral-hyperperfusion-syndrome-after-carotid-artery-stenting
#15
Ichiro Nakagawa, Hun Soo Park, Shohei Yokoyama, Shuichi Yamada, Yasushi Motoyama, Young Su Park, Takeshi Wada, Kimihiko Kichikawa, Hiroyuki Nakase
BACKGROUND: Cerebral hyperperfusion syndrome (HPS) is a potentially life-threatening complication following carotid artery stenting (CAS) and carotid endoarterectomy (CEA). Early prediction and treatment of patients at risk for HPS are required in patients undergoing CAS because HPS occurs significantly earlier after CAS than CEA. Near-infrared spectroscopy (NIRS) is often used for monitoring, and indocyanine green (ICG) kinetics by NIRS (ICG-NIRS) can detect reductions in cerebral perfusion in patients with acute stroke...
2017: PloS One
https://www.readbyqxmd.com/read/28702117/balloon-angioplasty-for-intracranial-atherosclerotic-disease-a-multicenter-study
#16
Lakshmi Sudha Prasanna Karanam, Mukesh Sharma, Anand Alurkar, Sridhar Reddy Baddam, Vijaya Pamidimukkala, Raghavasarma Polavarapu
AIM: To evaluate the role and efficacy of the balloon angioplasty in intracranial atherosclerotic disease (ICAD) in patients who presented with acute stroke due to vessel occlusion and in patients with symptomatic disease despite optimum medical management. METHODS: From 2013 to 2016, a total of 39 patients (24 males and 15 females with a mean age of 64.5 years) underwent balloon angioplasty over a period of 2 years and 8 months in three different institutions in India...
June 2017: Journal of Vascular and Interventional Neurology
https://www.readbyqxmd.com/read/28701298/carotid-stenting-for-unilateral-stenosis-can-increase-contralateral-hemispheric-cerebral-blood-flow
#17
Akiyo Sadato, Shingo Maeda, Motoharu Hayakawa, Kazuhide Adachi, Hiroshi Toyama, Ichiro Nakahara, Yuichi Hirose
BACKGROUND: The revascularization of carotid stenosis can increase ipsilateral cerebral blood flow (CBF). Occasionally, elevated CBF is also evident on the contralateral side, but this phenomenon is poorly understood. OBJECTIVE: To analyze retrospectively the relationship between a contralateral CBF increase and several clinical and radiologic features. MATERIALS AND METHODS: We retrospectively analyzed 40 patients with unilateral cervical carotid stenosis treated by carotid artery stenting (CAS)...
July 12, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28700965/inhibitory-effects-of-asp6537-a-selective-cyclooxygenase-1-inhibitor-on-thrombosis-and-neointima-formation-in-rats
#18
Chinatsu Sakata, Tomihisa Kawasaki, Yoshiyuki Iwatsuki, Yumiko Moritani, Yoshiaki Morita, Hideaki Hara
INTRODUCTION: Percutaneous coronary interventions (PCIs), such as balloon angioplasty and stent placement, are effective in the treatment of coronary artery disease. PCI has drawbacks, however, including acute thrombosis after the procedure and restenosis of the vascular lumen due to abnormal neointimal hyperplasia. ASP6537 is a selective COX-1 inhibitor that has been investigated as a possible candidate for clinical development as an antiplatelet agent. In the present study, we evaluated the in vivo antithrombotic effect of ASP6537 and its effect on neointima formation after balloon angioplasty...
July 2, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28693048/the-use-of-branched-endografts-for-the-aortic-arch-in-the-endovascular-era
#19
Rami O Tadros, Scott R Safir, Peter L Faries, Daniel K Han, Rajiv K Chander, Cherrie Z Abraham, Michael L Marin, Allan S Stewart
The endovascular realm has steadily increased its footing in the treatment of the aorta and all of its territories since the foundational case in 1990 by Parodi. The aortic arch, however, continues to be one of the last bastions for treatment via open surgery, which remains the gold standard. Significant comorbidity and prior cardiac surgery prevent open surgery from being the only preferred option, allowing novel endovascular procedures to be considered. Since 1999, more advanced endovascular systems have been created by companies such as Cook Medical, Bolton Medical, Medtronic, Endospan, Gore Medical, and, recently, Kawasumi...
July 11, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28691137/effective-use-of-balloon-guide-catheters-in-reducing-incidence-of-mechanical-thrombectomy-related-distal-embolization
#20
Dong Hoon Lee, Jae Hoon Sung, Sang Uk Kim, Ho Jun Yi, Jae Taek Hong, Sang Won Lee
BACKGROUND AND PURPOSE: The clinical benefit of endovascular stroke therapy has been demonstrated in several prospective randomized trials. However, in a relevant percentage of patients, mechanical thrombectomy bears the risk of causing new infarction in initially unaffected vascular territories through thrombus fragmentation and migration of clot debris. The goal of this study was to evaluate the use of the balloon guide catheter (BGC) to effectively achieve flow arrest and thrombus aspiration during the intervention to avoid distal embolization...
July 9, 2017: Acta Neurochirurgica
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