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https://www.readbyqxmd.com/read/29452433/successful-digital-cholangioscopy-removal-of-a-stent-retriever-tip-migrated-into-the-periphery-of-the-bile-duct
#1
Takeshi Ogura, Atsushi Okuda, Akira Miyano, Nobu Nishioka, Kazuhide Higuchi
No abstract text is available yet for this article.
February 16, 2018: Endoscopy
https://www.readbyqxmd.com/read/29450625/mechanical-thrombectomy-in-patients-with-acute-ischemic-stroke-on-anticoagulation-therapy
#2
David Černík, Daniel Šaňák, Petra Divišová, Martin Köcher, Filip Cihlář, Jana Zapletalová, Tomáš Veverka, Andrea Prcúchová, Dušan Ospalík, Marie Černá, Petra Janoušová, Michal Král, Tomáš Dorňák, Vojtěch Prášil, David Franc, Petr Kaňovský
INTRODUCTION/PURPOSE: Mechanical thrombectomy (MT) for acute ischemic stroke (IS) can be performed also in patients on anticoagulation therapy (AT); however, sufficient and reliable data about safety and efficacy of MT are still missing. Thus, we aimed to compare these parameters between patients treated on AT and without AT. MATERIALS AND METHODS: All consecutive IS patients treated with MT using stent retrievers were included in the retrospective analysis. Neurological deficit was scored using National Institutes of Health Stroke Scale (NIHSS) and 90-day clinical outcome using modified Rankin scale with a score 0-2 for good outcome...
February 15, 2018: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/29445434/primary-endovascular-treatment-of-acute-ischemic-stroke-using-stent-retrievers-initial-egyptian-experience
#3
Ossama Yassin Mansour, Abdulrahman Mostafa Ibrahim Ali, Mohamed Megahed
Background: Several mechanical thrombectomy (MT) devices have been designed with the goal of improving the recanalization rates of major intracranial artery occlusions. Objective: In this single-center experience, we analyzed the acute ischemic stroke (AIS) treatment with Primary MT; safety and efficacy and clinical results in our patients with large vessel occlusion (LVO). Methods: During a five-year period (from September 2011 to July 2016), out of 996 patients who presented to our center with a diagnosis of AIS, 113 (11...
December 2017: Journal of Vascular and Interventional Neurology
https://www.readbyqxmd.com/read/29444961/no-inferiority-of-tonbridge-thrombectomy-device-for-acute-thrombus-retrial-compared-with-solitaire-device-an-experimental-evaluation-with-a-canine-distal-external-carotid-maxillary-artery-occlusion-model
#4
Geng Zhou, Ming-Hua Li, Hai-Tao Lu, Jiang-Shan Deng, Yu-Wu Zhao, Yi Xiang J Wang, Yue-Qi Zhu
INTRODUCTION: Mechanical thrombectomy (MT) has been widely accepted as a safe and effective treatment for acute ischemic stroke (AIS). Development of stent retriever devices has been intensively developed over the past two decades. In this study, we compared the effectiveness and safety of a new thrombectomy device with Solitaire FR for the treatment of AIS models. METHODS: Mechanical performance of stent retrievers was tested in vitro. Thrombin-induced thrombus was pre-injected into the right distal external carotid-maxillary artery in 18 dogs to create an acute thrombus occlusion model, and these animals were divided into a Tonbridge group (n=9, with Tonbridge stent Tonbridge Medical Technology) and a Solitaire group as control (n=9, with Solitaire stent, ev3 Neurovascular)...
February 14, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29420596/flexible-endoscopy-for-pediatric-tracheobronchial-metallic-stent-placement-maintenance-and-long-term-outcomes
#5
Wen-Jue Soong, Pei-Chen Tsao, Yu-Sheng Lee, Chia-Feng Yang
OBJECTIVES: To assess the placement, surveillance management and long-term outcomes of the tracheobronchial (TB) balloon expandable metallic stent (BEMS) managed by therapeutic flexible endoscopy (TFE). METHODS: This is a retrospective review and analysis of all computerized medical records and related flexible endoscopy videos of pediatric patients who received TB BEMS during 20 years period, from January 1997 to December 2016. TFE techniques with forceps debridement, balloon dilatation and laser ablation were used to implant stents, perform regular surveillance, maintain their functions, and expand the diameters of BEMS...
2018: PloS One
https://www.readbyqxmd.com/read/29411167/investigation-of-adverse-events-associated-with-an-off-label-use-of-arterial-stents-and-ce-marked-iliac-vein-stents-in-the-iliac-vein-insights-into-developing-a-better-iliac-vein-stent
#6
Takuya Shida, Mitsuo Umezu, Kiyotaka Iwasaki
We analyzed the adverse events associated with an off-label use of arterial stents and CE-marked iliac vein stents for the treatment of iliac venous thromboembolism and investigated their relationships with the anatomical features of the iliac vein, to gain insights into the development of a better iliac vein stent. Reports of adverse events following the use of stents in the iliac vein were retrieved from the Manufacturer and User Facility Device Experience (MAUDE) database that contain suspected device-associated complications reported to the Food and Drug Administration...
February 6, 2018: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/29410105/the-catch-mini-stent-retriever-for-mechanical-thrombectomy-in-distal-intracranial-occlusions
#7
Jeremy Hofmeister, Zsolt Kulcsar, Gianmarco Bernava, Alain Pellaton, Hasan Yilmaz, Gorislav Erceg, Maria Isabel Vargas, Karl-Olof Lovblad, Paolo Machi
OBJECTIVE: Mechanical thrombectomy (MTB) is a treatment of reference for acute ischemic stroke due to large brain vessel occlusion but some concerns remain about its use in small distal branches. In the present study, we assessed the efficacy and the safety of distal MTB using the Catch Mini (CM) stent retriever. METHODS: We retrospectively reviewed a prospectively maintained database of all consecutive patients who underwent MTB for a distal intracranial occlusion with the Catch Mini device at our hospital...
February 1, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29406970/adjuvant-intra-arterial-rt-pa-injection-at-the-initially-deployed-solitaire-stent-enhances-the-efficacy-of-mechanical-thrombectomy-in-acute-ischemic-stroke
#8
Ting-Yu Yi, Wen-Huo Chen, Yan-Min Wu, Mei-Fang Zhang, Ding-Lai Lin, Xiao-Hui Lin
BACKGROUND: Both intra-arterial recombinant tissue plasminogen activator (rt-PA) and stent retrieval are effective for treating acute ischemic stroke. The goal of this study was to evaluate the effectiveness of stent retrieval combined with intra-arterial rt-PA administration via micro-catheter (called the complex technique) in acute ischemic stroke. MATERIAL AND METHODS: A retrospective analysis was performed of 93 consecutive patients treated between 2015 and 2017 for occlusions of the intracranial large artery using the complex technique (n=37) or stent retrieval alone (n=56) in our stroke center...
March 15, 2018: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/29402828/erythrocyte-rich-thrombus-is-associated-with-reduced-number-of-maneuvers-and-procedure-time-in-patients-with-acute-ischemic-stroke-undergoing-mechanical-thrombectomy
#9
Kota Maekawa, Masunari Shibata, Hideki Nakajima, Akane Mizutani, Yotaro Kitano, Masaru Seguchi, Masayoshi Yamasaki, Kazuto Kobayashi, Takanori Sano, Genshin Mori, Tadashi Yabana, Yutaka Naito, Shigetoshi Shimizu, Fumitaka Miya
BACKGROUND: Only few studies have investigated the relationship between the histopathology of retrieved thrombi and clinical outcomes. This study aimed to evaluate thrombus composition and its association with clinical, laboratory, and neurointerventional findings in patients treated by mechanical thrombectomy due to acute large vessel occlusion. METHODS: At our institution, 79 patients were treated by mechanical thrombectomy using a stent retriever and/or aspiration catheter between August 2015 and August 2016...
January 15, 2018: Cerebrovascular Diseases Extra
https://www.readbyqxmd.com/read/29393092/predictors-for-mortality-after-mechanical-thrombectomy-of-acute-basilar-artery-occlusion
#10
Benjamin Gory, Mikael Mazighi, Julien Labreuche, Raphael Blanc, Michel Piotin, Francis Turjman, Bertrand Lapergue
BACKGROUND: Modern endovascular thrombectomy (MET), using stent retrievers or large-bore distal aspiration catheters in stroke patients with acute basilar artery occlusion (BAO), is routinely performed to date. However, more than 35% of BAO patients treated with MET die within 90 days despite high recanalization rates. The purpose of this study is to investigate the parameters associated with 90-day mortality in patients with BAO after MET. METHODS: We analyzed 117 consecutive BAO patients included in the Endovascular Treatment in Ischemic Stroke prospective clinical registry of consecutive acute ischemic stroke patients treated with MET (60 patients [51...
January 30, 2018: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/29392462/a-systematic-review-of-economic-evaluations-on-stent-retriever-thrombectomy-for-acute-ischemic-stroke
#11
REVIEW
Sofia Boudour, Marine Barral, Benjamin Gory, Caroline Giroudon, Gilles Aulagner, Anne-Marie Schott, Francis Turjman, Marie Viprey, Xavier Armoiry
BACKGROUND: Our objective was to review economic evaluations on stent-retriever thrombectomy (SRT) added/not added to intravenous (IV) tissue plasminogen activator (t-PA) in acute ischemic stroke (AIS) due to large-vessel occlusion (LVO). METHODS: We conducted a systematic review using several electronic databases and searching for studies published from January 2009 to September 2017. INCLUSION CRITERIA: any publication type reporting the incremental cost-effectiveness ratio of SRT in people with AIS secondary to LVO...
February 1, 2018: Journal of Neurology
https://www.readbyqxmd.com/read/29390576/endoscopic-traversability-in-patients-with-locally-advanced-esophageal-squamous-cell-carcinoma-is-it-a-significant-prognostic-factor
#12
Hae Jin Shin, Hee Seok Moon, Sun Hyung Kang, Jae Kyu Sung, Hyun Yong Jeong, Seok Hyun Kim, Byung Seok Lee, Ju Seok Kim, Gee Young Yun
The purpose of this study was to evaluate the prognostic impact of endoscopic traversability in patients with locally advanced esophageal squamous cell carcinoma.This retrospective study was based on medical records from a single tertiary medical center. The records of 317 patients with esophageal squamous cell carcinoma treated with surgery or definitive chemoradiotherapy (CRT) between January 2009 and March 2016 were reviewed. Finally, we retrieved the data on 168 consecutive patients. These 168 patients were divided into 2 groups based on their endoscopic traversability findings: Group A (the endoscope traversable group), and Group B (the endoscope non-traversable group)...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29390384/migration-of-a-stent-from-left-main-and-its-retrieval-from-femoral-artery-a-case-report
#13
Masakazu Yasuda, Carmen Spaccarotella, Annalisa Mongiardo, Salvatore De Rosa, Daniele Torella, Ciro Indolfi
RATIONALE: Embolization of a deployed stent is a rare complication and its mechanism remains unclear in most cases. PATIENT CONCERNS: A 52-year-old man underwent coronary angiography for effort angina, revealing an 80% stenosis of the proximal left anterior descending (LAD) involving the distal left main (LM). After luminal sizing with intravascular ultrasound two drug-eluting stents were deployed (5.0 × 12 mm and 3.5 × 15 mm) to cover the LM-LAD lesion...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29387626/clinical-results-of-the-intra-arterial-thrombolysis-with-stent-retriever-device-weather-perfusion-diffusion-mismatching-and-intravenous-tissue-plasminogen-activator-administration
#14
Young-Jin Kim, Kwang-Wook Cho, Seong-Rim Kim, Do-Sung Yoo, Hae-Kwan Park, Cheol Ji
Objective: Intraarterial thrombolysis (IA-Tx) with stent retriever is accepted as an additional treatment for selected patients and the clinical benefit is well reported. Each intravenous tissue plasminogen activator administration (IV-tPA) and perfusion diffusion mismatching (P/D-mismatching) is well known the beneficial effects for recanalization and clinical outcomes. In this report, authors analyzed the clinical outcomes of additional IA-Tx with retrieval stent device, according to the combined IV-tPA and P/D-mismatching or not...
December 2017: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/29378450/simple-aspiration-with-balloon-catheter-technique-simple-abc-technique-against-proximal-internal-carotid-artery-occlusion-in-cases-of-cardiogenic-cerebral-embolism
#15
Akitake Okamura, Kazuhiko Kuroki, Katsuhiro Shinagawa, Naoto Yamada
Background In cases of acute ischemic stroke, manual aspiration of the thrombus is commonly performed with a balloon guiding catheter placed in the cervical segment of the internal carotid artery (ICA). However, most manual aspirations using a balloon guiding catheter are combined with inner catheters, as in the direct aspiration first pass technique (ADAPT). We experienced some cases of acute ischemic stroke with proximal ICA occlusion due to cardiogenic thrombus where we obtained sufficient recanalization by simple manual aspiration from inflated Optimo 9F balloon catheters (Tokai Medical Products, Japan) placed in the origin of the cervical segment of the ICA without any inner catheter or stent retriever...
January 1, 2018: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29375741/management-of-endoscopic-biliary-stenting-for-choledocholithiasis-evaluation-of-stent-exchange-intervals
#16
Gen Tohda, Masaki Dochin
AIM: To evaluate the best management of plastic stents in patients with choledocholithiasis who were unfit for endoscopic stone removal or surgery. METHODS: Between April 2007 and September 2017, 87 patients (median age 83.7 years) with symptomatic choledocholithiasis were treated with insertion of 7-Fr plastic stents because complete endoscopic stone retrieval was difficult, and their general condition was not suitable for surgery. Seventy of these patients agreed to regular stent management and stent exchange was carried out at every 6 mo (Group A, n = 35) or every 12 mo (Group B, n = 35)...
January 16, 2018: World Journal of Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29375231/recruiting-an-acute-coronary-team-to-perform-emergent-mechanical-thrombectomy-in-acute-ischemic-stroke-patients-a-successful-case-and-team-model-in-a-local-hospital
#17
Shih-Wei Meng, Ruei-Cheng Kuo, Hui-Jen Yang, Chao-Lun Lai, Chih-Cheng Wu, Mu-Yang Hsieh
Stroke treatment has entered a new era after the publication of multiple randomized trials involving the use of a stent retriever since 2015. In Taiwan, the demand for interventional neuroradiologists to perform mechanical thrombectomy is high. For this reason, providing this standard care requires reshaping of the care model. Here, we report our experience in recruiting an acute coronary care team to perform emergent mechanical thrombectomy, which is essential in a patient with acute ischemic stroke.
January 2018: Acta Cardiologica Sinica
https://www.readbyqxmd.com/read/29374936/-feasibility-and-safety-of-paclitaxel-eluting-balloon-for-the-treatment-of-de-novo-coronary-lesions
#18
Z H Ni, W H Huang, Y Liu, Z J Chen, J Li, J Q Yang, P C He, Y L Zhou, J Y Chen, J F Luo
Objective: To evaluate the safety and feasibility of treating de novo coronary lesions with paclitaxel-eluting balloon. Methods: This is a retrospective study, which enrolled 76 patients with 80 de novo coronary lesions treated with paclitaxel-eluting balloons(<30% residual stenosis and there was no blood flow limited dissection after pretreatment) from April 2015 to November 2016 in Guangdong general hospital. The data of basic characteristics,procedures,devices and follow-up information were retrieved and analyzed...
January 24, 2018: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29358888/characterization-of-biofilms-in-biliary-stents-and-potential-factors-involved-in-occlusion
#19
Chetana Vaishnavi, Jayanta Samanta, Rakesh Kochhar
AIM: To quantify the components in biofilms and analyze the predisposing factors involved in occlusion of biliary stents. METHODS: In a prospective study conducted from April 2011 to March 2014 at a tertiary care hospital, all consecutive patients who required endoscopic biliary stent exchange/removal were included. Etiology of the biliary disease was diagnosed by imaging, cytology and on follow-up. Clinical details of patients with biliary stent retrieval were noted...
January 7, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29352061/what-to-do-about-fibrin-rich-tough-clots-comparing-the-solitaire-stent-retriever-with-a-novel-geometric-clot-extractor-in-an-in-vitro-stroke-model
#20
Vernard S Fennell, Swetadri Vasan Setlur Nagesh, Karen M Meess, Liza Gutierrez, Rhys H James, Michael E Springer, Adnan H Siddiqui
BACKGROUND: Despite advances in revascularization tools for large vessel occlusion presenting as acute ischemic stroke, a significant subset of clots remain recalcitrant to current strategies. We assessed the effectiveness of a novel thrombectomy device that was specifically designed to retrieve resistant fibrin rich clots, the geometric clot extractor (GCE; Neuravi, Galway, Ireland), in an in vitro cerebrovascular occlusion stroke model. METHODS: After introducing fibrin rich clot analogues into the middle cerebral artery of the model, we compared the rates of recanalization between GCE and Solitaire flow restoration stent retriever (SR; Medtronic, Minneapolis, Minnesota, USA; control group) cases...
January 19, 2018: Journal of Neurointerventional Surgery
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