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https://www.readbyqxmd.com/read/28944945/safety-and-efficacy-of-ventriculostomy-procedures-under-dual-antiplatelet-therapy-in-patients-treated-with-stent-assisted-coiling-in-subarachnoid-hemorrhage
#1
Soner Civi, Cagatay Andic, Ozgur Kardes, Halil İbrahim Suner, Emre Durdag, Ozlem Ozmete, Kadir Tufan
AIM: Stent assisted coilling (SAC) is an alternative in the treatment of ruptured aneurysms. Stenting requires the use of dual antiplatelet agents. Hydrocephaly is a complication of subarachnoid hemorrhage (SAH) requiring ventriculostomy. Antiplatelet treatment reveal a risk of hemorrhage in ventriculostomy. Anti-aggregant effect starts at least four hours after the initial doses of treatment. However, in many studies, ventriculostomy was performed before antiplatelet treatment and the hemorrhagic complications were related to the procedure...
July 16, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28944944/endovascular-treatment-of-intracranial-anterior-circulation-aneurysms-with-flow-diverters-a-single-centre-experience-with-mid-and-long-term-results
#2
Ezel Yaltirik Bilgin, Baran Önal, Hakan Emmez, Koray Akkan, Erhan Ilgit, Erkan Bilgin, Emetullah Cindil, Alp Ozgun Borcek
AIM: We report our experience with flow diverter devices in the treatment of intracranial aneurysms arising from anterior circulation with mid and long-term follow-up. MATERIAL AND METHODS: 78 aneurysms in 61 patients (range 25-81 years, 13 male, 48 female) were treated with flow diverter devices. 40 (51,3%) aneurysms were treated with pipeline embolization device (PED), 24 (30,8%) aneurysms were treated with SILK stent, 12(15,4%) aneurysms were treated with flow redirection endoluminal device (FRED) and two aneurysms were treated with P64 Flow Modulation Device (P64)...
July 11, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28944707/combined-use-of-stent-retriever-and-aspiration-thrombectomy-for-cerebral-venous-sinus-thrombosis-involving-the-straight-sinus-a-case-report
#3
Syunsuke Taniguchi, Kei Harada, Masahito Kajihara, Kozo Fukuyama
Cerebral venous sinus thrombosis (CVST) is generally treated with anticoagulation therapy, however, endovascular therapy is considered for refractory cases. A 42-year-old woman presented with a progressive disturbance in consciousness, and diagnosed CVST in the straight sinus (SS). Recanalization of SS was achieved by emergent thrombectomy using aspiration catheter and stent-retriever system, and her level of consciousness improved immediately. The combined use of them aided the removal of the thrombus located in the SS...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28944613/propensity-score-matched-all-comers-population-treated-with-ultra-thin-strut-bare-metal-and-sirolimus-probucol-coated-drug-eluting-stents-of-identical-stent-architecture
#4
Florian Krackhardt, Mohd Ali Rosli, Matthias Leschke, André Schneider, Christian Sperling, Tay Mok Heang, Maxime Pons, Pedro Jerónimo Sousa, Behrouz Kherad, Matthias Waliszewski
OBJECTIVE: The objective of this study was to compare the safety and efficacy of a polymer-free sirolimus coated, ultrathin strut drug eluting stent (PF-SES) to its uncoated bare-metal stent (BMS) platform of identical stent architecture. BACKGROUND: Recently published randomized trials comparing BMS to DES with a focus on shortened dual-antiplatelet therapy reported incidences of stent thrombosis (ST) and bleeding complications (LEADERS FREE) in favor of drug eluting stents (DES)...
September 25, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28944581/a-new-one-step-procedure-for-pulmonary-valve-implantation-of-the-melody-valve-simultaneous-prestenting-and-valve-implantation
#5
Younes Boudjemline
OBJECTIVES: To describe a new modification, the one-step procedure, that allows interventionists to pre-stent and implant a Melody valve simultaneously. BACKGROUND: Percutaneous pulmonary valve implantation (PPVI) is the standard of care for managing patients with dysfunctional right ventricular outflow tract, and the approach is standardized. METHODS: Patients undergoing PPVI using the one-step procedure were identified in our database. Procedural data and radiation exposure were compared to those in a matched group of patients who underwent PPVI using the conventional two-step procedure...
September 25, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28943567/a-rare-case-of-ureteral-carcinoma-with-recurrence-in-the-duodenum-requiring-double-stenting
#6
Hiroyuki Matsubayashi, Hirotoshi Ishiwatari, Masaki Tanaka, Tomohiro Iwai, Toru Matsui, Shinya Fujie, Naomi Kakushima, Sayo Ito, Ryo Yamashita, Masato Abe, Keiko Sasaki, Hiroyuki Ono
A 61-year-old man who had undergone total nephrouretectomy eight months earlier for right ureteral carcinoma was referred for the investigation of elevated serum hepatobiliary enzymes. Computed tomography revealed a small mass invading the lower bile duct. Duodenoscopy revealed a central ulcerative tumor near the major papilla, and a biopsy histologically confirmed metastatic ureteral carcinoma. Endoscopic biliary stenting ameliorated the cholangitis, and gemcitabine-based chemotherapy was initiated. The patient was stable for a year until a duodenal stenosis developed and required duodenal stenting...
September 25, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28943539/leptomeningeal-collaterals-strongly-correlate-with-reduced-cerebrovascular-reactivity-measured-by-acetazolamide-challenged-single-photon-emission-computed-tomography-using-a-stereotactic-extraction-estimation-analysis-in-patients-with-unilateral-internal-carotid
#7
Takenobu Kunieda, Kosuke Miyake, Hiroki Sakamoto, Yuko Iwasaki, Shin Iida, Satoshi Morise, Kengo Fujita, Masataka Nakamura, Satoshi Kaneko, Hirofumi Kusaka
Objective To assess the correlation between the angiographic appearance of cerebral collateral pathways or the degree of internal carotid artery stenosis (ICAS) and reduced cerebrovascular reactivity (CVR) estimated by single-photon emission computed tomography (SPECT) image analysis in patients with unilateral ICAS. Methods A retrospective analysis was performed in 42 patients with unilateral ICAS who underwent cerebral angiography and acetazolamide-challenged SPECT of the brain. Cerebral blood flow quantitation was performed using the quantitative SPECT/dual-table autoradiography method...
September 25, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28943494/association-between-coronary-atherosclerosis-progression-and-in-stent-neoatherosclerosis-in-patients-with-st-elevation-myocardial-infarction-at-5-years-follow-up
#8
Giulia Paoletti, Josep Gomez-Lara, Salvatore Brugaletta, Marcos Ñato, Rafael Romaguera, Gerard Roura, José-Luis Ferreiro, Luis Teruel, Montserrat Gracida, Luis Ortega-Paz, Joan-Antoni Gomez-Hospital, Manel Sabate, Angel Cequier
AIMS: To investigate the association between in-stent neoatherosclerosis (NA) and atherosclerosis progression (AP) in non-culprit segments in patients with ST-elevation myocardial infarction at 5 years. METHODS AND RESULTS: Sixty-two out of 169 consecutive patients included in the EXAMINATION study underwent optical coherence tomography (OCT) at 5 years. NA plaques were observed in 13 (21.0%), signal-rich bands (SRB) in 22 (35.5%) and AP in 11 (17.7%). NA plaques were more frequently observed in patients treated with two stents (53...
September 26, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28943491/comparison-of-endovascular-versus-bypass-surgery-in-femoro-popliteal-tasc-ii-d-lesions-a-single-centre-study
#9
Gian Franco Veraldi, Luca Mezzetto, Marco Macrì, Paolo Criscenti, Arianna Corvasce, Ranieri Poli
BACKGROUND: In patients with severe occlusive disease (TASC II D) of the femoro-popliteal segment, the advantages of endovascular vs bypass revascularization still remain debated. Most reports available in literature comparing Percutaneous Trans-luminal Angioplasty (PTA) ± Bare Metal Stent (BMS) vs synthetic bypass analyse patients with heterogeneous anatomical lesions creating possible bias when results of different treatments are matched. In this study we compared early and midterm outcomes of PTA ± BMS vs heparin-bonded expanded polytetrafluoroethylene (ePTFE) graft (Propaten-Gore) + Linton patch in patient affected by symptomatic femoro-popliteal TASC II - D lesions...
September 21, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28943486/endovascular-treatment-of-complex-aortic-disease-with-parallel-graft-endovascular-aneurysm-repair-retrospective-analysis-of-a-single-center-experience-and-midterm-results
#10
Adovasio Roberto, Chiarandini Stefano, Calvagna Cristiano, D'Oria Mario, Zamolo Francesca, Pipitone Marco Damiano, Sgorlon Giada
OBJECTIVES: We sought to evaluate the midterm results of parallel-graft-endovascular aneurysm repair (pg-EVAR) for complex aortic anatomy in high-risk candidates for open surgical repair of abdominal aortic aneurism (AAA). MATERIALS AND METHODS: Clinical and radiographic information on 35 patients treated by pg-EVAR between March 2010 and December 2015 was retrospectively reviewed and analyzed. All patients presented with symptomatic aneurysms and were treated within 3 days of clinical presentation...
September 21, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28943010/neck-diameter-and-inner-curve-seal-zone-predict-endograft-related-complications-in-highly-angulated-necks-after-endovascular-aneurysm-repair-using-the-aorfix-endograft
#11
Sophie Wang, Caitlin W Hicks, Mahmoud B Malas
OBJECTIVE: Many studies have found that preoperative aneurysm anatomy can determine the postoperative complication rates for endovascular aneurysm repair (EVAR). With continual improvement in endograft technology, patients with challenging anatomy are increasingly able to undergo successful treatment with EVAR. This study aimed to quantify the influence of proximal neck anatomy on contemporary outcomes in a cohort of abdominal aortic aneurysm patients with highly angulated aneurysm necks...
September 21, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28943007/thoracic-endovascular-aortic-repair-migration-and-aortic-elongation-differentiated-using-dual-reference-point-analysis
#12
Hillary B Alberta, Toshio Takayama, Annalise Panthofer, Richard P Cambria, Mark A Farber, William D Jordan, Jon S Matsumura
OBJECTIVE: We evaluated images of patients undergoing a thoracic endovascular aortic repair procedure using two reference points as a means for differentiating stent graft migration from aortic elongation. Conventional standards define migration of a stent graft as an absolute change in the distance from the distal graft ring to a distal landmark ≥10 mm compared with a baseline measurement. Aortic elongation occurs over time in both healthy individuals and patients with aortic disease...
September 21, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28943006/outcomes-of-mini-incision-eversion-carotid-endarterectomy-combined-with-nontouch-isolation-technique-of-the-internal-carotid-artery
#13
Kota Shukuzawa, Takao Ohki, Yuji Kanaoka, Makoto Sumi, Koji Maeda, Naoki Toya, Hirotsugu Ozawa
OBJECTIVE: We developed a mini-incision eversion carotid endarterectomy (CEA) procedure (the Jikei method CEA) to prevent perioperative embolic stroke. The aim of this study was to retrospectively analyze perioperative and midterm outcomes after the Jikei method CEA. METHODS: We evaluated patients with the Jikei method CEA at our institution between January 2006 and June 2014. The primary end point was a major adverse event, which included death, stroke, intracranial hemorrhage, and myocardial infarction, within 30 days of CEA...
September 21, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28942656/use-of-self-expanding-nitinol-stents-in-the-pediatric-management-of-refractory-esophageal-caustic-stenosis
#14
Verónica Alonso, Devicka Ojha, Harsha Nalluri, Juan Carlos de Agustín
BACKGROUND: The treatment of recurrent esophageal stricture secondary to the ingestion of a caustic agent is an arduous task. Self-expanding esophageal stents may be an alternative to repeated endoscopic esophageal dilations. CASE REPORT: We present the case of a two-year-old male with a severe and long esophageal stricture successfully treated by the combination of dilations and stent placement. After five months of serial pneumatic dilations, three self-expanding nitinol stents internally coated with silicone were introduced through a gastrostomy, covering the entire esophagus...
September 25, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28942357/plasma-big-endothelin-1-and-stent-thrombosis-an-observational-study-in-patients-undergoing-percutaneous-coronary-intervention-in-china
#15
Yan Chen, Jian-Xin Li, Ying Song, Jing-Jing Xu, Xiao-Fang Tang, Lin Jiang, Ping Jiang, Ru Liu, Huan-Huan Wang, Xue-Yan Zhao, Jue Chen, Zhan Gao, Shu-Bin Qiao, Run-Lin Gao, Yue-Jin Yang, Bo Xu, Jin-Qing Yuan
INTRODUCTION: Stent thrombosis (ST) is a rare but catastrophic complication of percutaneous coronary intervention, leading to poor prognosis. Endothelin-1 (ET-1) plays an important role in endothelial dysfunction and thrombogenesis. However, the impact of big ET-1 level on ST in patients with coronary stenting is unknown. We aimed to evaluate big ET-1 level as a potential predictor of ST in patients undergoing percutaneous coronary intervention. MATERIALS AND METHODS: From January 2013 to December 2013, 8106 consecutive patients underwent successful coronary stent implantation and were prospectively enrolled in this study...
September 13, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28941968/popliteal-pseudoaneurysm-and-arteriovenous-fistula-after-arthroscopic-anterior-and-posterior-cruciate-ligament-reconstruction-a-case-report
#16
Ding Xu, Liefeng Ji, Jiang Zhu, Yuefeng Xie
INTRODUCTION: Vascular injuries are a well recognised but very rare complication of surgery or trauma around the knee, especially associated with arthroscopic anterior and posterior cruciate ligament reconstruction. PRESENTATION OF CASE: This report describes a case of a Popliteal pseudoaneurysm and arteriovenous fistula after Arthroscopic anterior and Posterior Cruciate Ligament Reconstruction. An 57-year-old male who complained of pain and swelling around the left lower extremity after the ACL and PCL reconstruction using a semitendinosus graft from the two limbs caused by bicycle accident...
August 10, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28941481/does-the-new-generation-of-drug-eluting-stents-render-bare-metal-stents-obsolete
#17
REVIEW
Kyle Buchanan, Arie Steinvil, Ron Waksman
The development of bare metal coronary stents revolutionized the treatment of coronary artery disease by reducing rates of acute vessel closure and restenosis associated with balloon angioplasty. However, bare metal stents (BMS) resulted in high rates of restenosis and led to the development of drug-eluting stents (DES). Those first-generation DES were followed by successive generations of DES that included improvements, such as biodegradable and more biocompatible polymers. Despite the superiority of the current DES compared to BMS, a subset of patients still receives BMS...
September 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28941154/biodegradable-shape-memory-polymers-in-medicine
#18
REVIEW
Gregory I Peterson, Andrey V Dobrynin, Matthew L Becker
Shape memory materials have emerged as an important class of materials in medicine due to their ability to change shape in response to a specific stimulus, enabling the simplification of medical procedures, use of minimally invasive techniques, and access to new treatment modalities. Shape memory polymers, in particular, are well suited for such applications given their excellent shape memory performance, tunable materials properties, minimal toxicity, and potential for biodegradation and resorption. This review provides an overview of biodegradable shape memory polymers that have been used in medical applications...
September 21, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28941149/management-of-left-main-coronary-artery-obstruction-after-transcatheter-aortic-valve-replacement-utilizing-a-periscope-approach
#19
Todd Drexel, Gregory Helmer, Santiago Garcia, Ganesh Raveendran
Coronary obstruction is a rare but potentially fatal complication of transcatheter aortic valve replacement (TAVR). It can result from native leaflet or stent frame obstruction of the coronary ostia. There are reports detailing the difficulty of percutaneous coronary intervention following TAVR, but none that describe a periscope approach to access the left main ostia in the presence of a braided nitinol frame. This report describes an alternative approach to access a coronary artery when the valve stent struts are prohibitive to equipment delivery...
September 20, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28940997/real-time-optical-coherence-tomography-coregistration-with-angiography-in-percutaneous-coronary-intervention-impact-on-physician-decision-making-the-optico-integration-study
#20
David M Leistner, Matthias Riedel, Lisa Steinbeck, Barbara E Stähli, Georg M Fröhlich, Alexander Lauten, Carsten Skurk, Hans-Christian Mochmann, Laura Lübking, Ursula Rauch-Kröhnert, Renate B Schnabel, Dirk Westermann, Stefan Blankenberg, Ulf Landmesser
AIMS: Intracoronary optical coherence tomography (OCT) imaging allows for high-resolution characterization of coronary lesions. Difficulties in matching cross-sectional OCT-images with angiographic lesion localization may limit optimal clinical utilization. We sought to prospectively assess the impact of a novel system of real-time OCT coregistration with angiography (ACR) on physician decision-making during percutaneous coronary interventions (PCI). METHODS AND RESULTS: Strategy for PCI (stent - length, - diameter, - strategy, landing zone) and PCI-optimization (stent-malappostion, -underexpansion, edge-dissections, geographical mismatch) was prospectively assessed in 50 patients with 58 coronary lesions after (I) angiography, (II) OCT imaging, and (III) ACR...
September 20, 2017: Catheterization and Cardiovascular Interventions
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