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https://www.readbyqxmd.com/read/29770200/recent-advances-in-managing-vascular-occlusions-in-the-cardiac-catheterization-laboratory
#1
REVIEW
Athar M Qureshi, Charles E Mullins, Larry A Latson
Vascular occlusions continue to be a significant cause of morbidity and mortality. The management of vascular occlusions in patients is complex, requiring specialized expertise in the cardiac catheterization laboratory and from other disciplines. Knowledge of currently available tools at the operator's disposal is important to optimize the success of these procedures. In this review, we discuss some of the recent advances in recanalization procedures of vascular occlusions and thrombotic lesions in the cardiac catheterization laboratory...
2018: F1000Research
https://www.readbyqxmd.com/read/29768963/the-woven-endobridge-web-as-primary-treatment-for-unruptured-intracranial-aneurysms
#2
Sanne Bt van Rooij, Willem Jan van Rooij, Jo P Peluso, Menno Sluzewski
Purpose The intrasaccular flow disruptor Woven EndoBridge (WEB) device is developed for the treatment of wide-necked aneurysms without supportive devices. We used the WEB as primary treatment for unruptured aneurysms suitable for the device, regardless of neck size. Methods Between February 2015 and June 2017, 59 aneurysms in 51 patients were selectively treated with the WEB. There were 15 men and 36 women with a mean age of 59 years. Mean aneurysm size was 7.0 mm (range 3-22 mm). Of 59 aneurysms, 45 (76%) had a wide neck defined as ≥4 mm or dome-neck ratio ≤1...
January 1, 2018: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29744115/thrombotic-thrombocytopenic-purpura-possibly-triggered-by-graves-disease
#3
Saurabh D Chitnis, Tuoyo O Mene-Afejuku, Amandeep Aujla, Ahmed Shady, Gaby S Gil, Eder Hans Cativo, Andrea Popescu-Martinez
Thrombotic thrombocytopenic purpura (TTP) is a part of a spectrum of thrombotic microangiopathy syndromes which are mainly characterized by platelet aggregation causing microangiopathic hemolytic anemia, thrombocytopenia and microvascular occlusion. In literature, very few cases expressing a direct association between pre-existing Grave's disease and TTP have been described. A 37-year-old African-American woman with past medical history of Grave's disease and polysubstance abuse who presented with complaints of dyspnoea at rest and chest pain was diagnosed to have TTP on further evaluation...
October 2017: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/29738044/livedoid-vasculopathy-a-french-observational-study-including-therapeutic-options
#4
Emma Gardette, Philippe Moguelet, Jean-David Bouaziz, Dan Lipsker, Olivier Dereure, Francois Le Pelletier, Catherine Lok, Thierry Maisonobe, Didier Bessis, Jacqueline Conard, Camille Francès, Stéphane Barete
Livedoid vasculopathy is a rare thrombotic cutaneous disease. This observational study aimed to assess the clinical and biological features of livedoid vasculopathy and the efficacy of treatments. Patients enrolled had typical livedoid vasculopathy both clinically and histologically. Investigation of thrombophilia was performed. Electromyography was undertaken in the presence of symptoms suggesting peripheral neuropathy. 18 women and 8 men were included, with a mean age of 35.5 years at onset. 20 patients had at least one thrombophilia factor...
May 8, 2018: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/29730854/renal-involvement-in-antiphospholipid-syndrome
#5
REVIEW
Francisco Vileimar Andrade de Azevedo, Diego Germano Maia, Jozelio Freire de Carvalho, Carlos Ewerton Maia Rodrigues
This is a review of scientific publications on renal involvement in antiphospholipid syndrome (APS), with focus on clinical and histopathological findings and treatment. A search for English-language articles on renal involvement in APS covering the period 1980-2017 was conducted in Medline/PubMed and Scopus databases using the MeSH terms "antiphospholipid syndrome", "antiphospholipid antibodies", "glomerulonephritis" and "thrombotic microangiopathy" (TMA). APS nephropathy is primarily the result of thromboses in renal arteries or veins, intraparenchymatous arteries and glomerular capillaries...
May 5, 2018: Rheumatology International
https://www.readbyqxmd.com/read/29726596/cost-implications-of-intraprocedural-thrombotic-events-and-bleeding-in-percutaneous-coronary-intervention-results-from-the-champion-phoenix-economics-study
#6
Hector Tamez, Philip Généreux, Robert W Yeh, Amit P Amin, Weihong Fan, Harvey D White, Ajay J Kirtane, Gregg W Stone, C Michael Gibson, Robert A Harrington, Deepak L Bhatt, Duane S Pinto
BACKGROUND: Despite improvements in percutaneous coronary intervention (PCI), intraprocedural thrombotic events (IPTE) and bleeding complications occur and are prognostically important. These have not been included in prior economic studies. METHODS: PHOENIX ECONOMICS was a substudy of the CHAMPION PHOENIX trial, evaluating cangrelor during PCI. Hospital bills were reviewed from 1,171 patients enrolled at 22 of 63 US sites. Costs were estimated using standard methods including resource-based accounting, hospital billing data, and the Medicare fee schedule...
May 4, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29701415/antiphospholipid-syndrome-and-acute-postpartum-limb-ischemia
#7
Inês Antunes, Carlos Pereira, Rui Machado, Duarte Rego, Vitor Ferreira, João Gonçalves, Gabriela Teixeira, Carlos Veiga, Daniel Mendes, Rui Almeida
INTRODUCTION: The diagnosis of Antiphospholipid syndrome (APS) implies the identification of antiphospoholipid antibodies and arterial/venous thrombosis or pregnancy loss. During pregnancy, there is an increased risk of thrombotic complications. METHODS: Present a case of acute lower limb ischemia in a patient with APS during postpartum period Materials/ Methods: review of a clinical case and available literature Results: Patient diagnosed with APS (triple antibody positive and antecedent of 3 previous abortions) underwent cesarean at 29 weeks of gestation...
July 2017: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
https://www.readbyqxmd.com/read/29682138/successful-retrograde-recanalization-of-acute-right-dominant-vertebral-artery-occlusion-through-the-left-posterior-communicating-artery-in-a-patient-with-acute-vertebrobasilar-ischemic-stroke
#8
Anton A Khilchuk, Maksim V Agarkov, Sergey V Vlasenko, Sergey G Scherbak, Andrey M Sarana, Svetlana V Lebedeva
Advanced endovascular technology and techniques allow interventional radiologists to utilize novel ways of basilar artery recanalization in the setting of acute ischemic stroke, especially when routine approaches are not eligible. Several authors described nonstandard revascularization techniques in acute ischemic strokes due to basilar and middle cerebral arteries occlusions with full technical and clinical success. In this report, we present retrograde right vertebral artery recanalization using left posterior communicating artery for subsequent anterograde balloon angioplasty and stenting of a right vertebral artery ostium followed by full vertebrobasilar blood flow restoration...
April 2018: Radiology Case Reports
https://www.readbyqxmd.com/read/29670888/computational-fluid-dynamic-analysis-of-the-left-atrial-appendage-to-predict-thrombosis-risk
#9
Giorgia Maria Bosi, Andrew Cook, Rajan Rai, Leon J Menezes, Silvia Schievano, Ryo Torii, Gaetano Burriesci
During Atrial Fibrillation (AF) more than 90% of the left atrial thrombi responsible for thromboembolic events originate in the left atrial appendage (LAA), a complex small sac protruding from the left atrium (LA). Current available treatments to prevent thromboembolic events are oral anticoagulation, surgical LAA exclusion, or percutaneous LAA occlusion. However, the mechanism behind thrombus formation in the LAA is poorly understood. The aim of this work is to analyse the hemodynamic behaviour in four typical LAA morphologies - "Chicken wing", "Cactus", "Windsock" and "Cauliflower" - to identify potential relationships between the different shapes and the risk of thrombotic events...
2018: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/29663354/the-management-of-livedoid-vasculopathy-focused-on-direct-oral-anticoagulants-doacs-four-case-reports-successfully-treated-with-rivaroxaban
#10
Gabriela Franco Marques, Paulo Ricardo Criado, Thâmara Cristiane Alves Batista Morita, María Salomé Cajas García
Livedoid vasculopathy (LV) is a thrombotic skin disease characterized by episodic painful ulcerations of the distal aspects of the legs. Its healing process typically leaves small porcelain-white scars called atrophie blanche as a result of the occlusion of cutaneous microcirculation. The main goals of the treatment are pain management and the prevention of ulceration and of progressive scarring in the malleolar area. The therapeutic management is still a challenge, however, and most treatments were based on anecdotal off-label protocols...
April 16, 2018: International Journal of Dermatology
https://www.readbyqxmd.com/read/29662195/ngr-asn-gly-arg-targeted-delivery-of-coagulase-to-tumor-vasculature-arrests-cancer-cell-growth
#11
Khaled Seidi, Rana Jahanban-Esfahlan, Hassan Monhemi, Peyman Zare, Babak Minofar, Amir Daei Farshchi Adli, Davoud Farajzadeh, Ramezan Behzadi, Mehran Mesgari Abbasi, Heidi A Neubauer, Richard Moriggl, Nosratollah Zarghami, Tahereh Javaheri
Induction of selective thrombosis and infarction in tumor-feeding vessels represents an attractive strategy to combat cancer. Here we took advantage of the unique coagulation properties of staphylocoagulase and genetically engineered it to generate a new fusion protein with novel anti-cancer properties. This novel bi-functional protein consists of truncated coagulase (tCoa) and an NGR (GNGRAHA) motif that recognizes CD13 and αv β3 integrin receptors, targeting it to tumor endothelial cells. Herein, we report that tCoa coupled by its C-terminus to an NGR sequence retained its normal binding activity with prothrombin and av β3 integrins, as confirmed in silico and in vitro...
April 17, 2018: Oncogene
https://www.readbyqxmd.com/read/29642860/atrophic-inferior-vena-cava-is-a-marker-of-chronicity-of-intra-filter-and-inferior-vena-cava-thrombosis-based-on-ct-findings
#12
Liang Chen, Wanyin Shi, Jianping Gu, Xu He, Wensheng Lou
BACKGROUND: A permanently indwelling filter in the inferior vena cava (IVC) may induce caval thrombosis, which could develop and evolve from an acute to a chronic phase. The differential diagnosis of acute and chronic thromboses determines the treatment strategy. The role of computed tomography (CT) in diagnosing acute and chronic intra-filter and IVC thromboses has not been well established. This retrospective study summarizes the CT signs that indicate acute and chronic phases of intra-filter and IVC thromboses...
April 11, 2018: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/29627774/acute-lower-limb-ischaemia-secondary-to-intestinal-occlusion
#13
Francois-Charles Malo, Philippe Acar, Véronique Lapie, Valérie Bédard
In general, acute lower limb ischaemia is caused by embolic, thrombotic or traumatic phenomena. Here, we describe the case of a 67-year-old woman in an emergency room setting who was initially assessed for paralysis and numbness of her lower left limb. On physical examination, the abdomen was distended and non-compressible. An abdominal AngioScan showed complete occlusion of the left iliac artery by extrinsic compression of the dilated small intestine. After a review of the literature, no case was found describing a lower limb ischaemia by extrinsic vascular compression secondary to a compartment syndrome caused by small bowel obstruction...
April 7, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29615373/interventional-management-of-central-vein-occlusion-in-patients-with-peripherally-inserted-central-catheter-placement
#14
Jae Woo Yeon, Young Kwon Cho, Han Myun Kim, Myung Gyu Song, Soon-Young Song, Sung Bum Cho, Sam Yeol Lee
OBJECTIVE: This study evaluated the incidence of central vein occlusion (CVO) and analyzed the interventional management for CVO during peripherally inserted central catheter (PICC) placement to suggest an adequate management protocol to ensure the success and patency of PICCs. METHODS: We retrospectively reviewed the records of 2568 PICCs to identify CVO in two medical centers between January 2016 and June 2017. Procedural images were reviewed for the following items: date and indication for the PICC; type of catheter; accessed vein and arm; characteristics of CVO on ascending arm venography; PICC placement technique; indwelling period of the PICC; and follow-up records...
March 31, 2018: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/29607737/dual-antiplatelet-therapy-after-percutaneous-left-atrial-appendage-occlusion-single-center-experience-with-the-amplatzer-cardiac-plug
#15
Philippe B Bertrand, Melanie Habran, Karlijn Kenis, Julie Lecomte, Linde Moonen, Didier Stroobants, Edouard Benit
BACKGROUND: Percutaneous left atrial appendage occlusion (LAAO) is an alternative to anticoagulation in atrial fibrillation patients at high bleeding risk. Dual antiplatelet therapy (DAPT) is generally recommended in the months following the procedure to prevent thrombotic complications. The aim of this study was to evaluate the safety and efficacy of DAPT after LAAO in a single-centre population of high bleeding risk patients. METHODS: All patients who received DAPT after LAAO using the Amplatzer Cardiac Plug at Jessa Hospital (Hasselt, BE) between February 2011 and October 2016 were included...
April 1, 2018: Acta Cardiologica
https://www.readbyqxmd.com/read/29602953/indole-3-carbinol-improves-neurobehavioral-symptoms-in-a-cerebral-ischemic-stroke-model
#16
Pankaj Paliwal, Gaurav Chauhan, Deepa Gautam, Debabrata Dash, Shashikant C U Patne, Sairam Krishnamurthy
Stroke is one of the most common causes of death worldwide and also responsible for permanent disability. Ischemic stroke has been found to affect 80% of stroke patients. Recombinant tissue plasminogen activator (rtPA) is the widely used drug for the ischemic stroke with narrow therapeutic window. Indole-3-carbinol (I3C) is a natural compound obtained from brassica species having antithrombotic activity. Middle cerebral artery occlusion (MCAO) model was used followed by reperfusion after 2 h of ischemia for the evaluation of the I3C against ischemic stroke...
March 30, 2018: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/29593574/the-use-of-biophysical-flow-models-in-the-surgical-management-of-patients-affected-by-chronic-thromboembolic-pulmonary-hypertension
#17
Martina Spazzapan, Priya Sastry, John Dunning, David Nordsletten, Adelaide de Vecchi
Introduction: Chronic Thromboembolic Pulmonary Hypertension (CTEPH) results from progressive thrombotic occlusion of the pulmonary arteries. It is treated by surgical removal of the occlusion, with success rates depending on the degree of microvascular remodeling. Surgical eligibility is influenced by the contributions of both the thrombus occlusion and microvasculature remodeling to the overall vascular resistance. Assessing this is challenging due to the high inter-individual variability in arterial morphology and physiology...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29588552/escape-to-reality-post-trial-outcomes-in-an-escape-centre-a-retrospective-case-control-study
#18
Amy M Nixon, Michael Jamison, Ian M Rennie, Peter A Flynn, Graham Smyth, Ivan Wiggam, Enda Kerr, Ailsa Fulton, Annemarie Hunter, Paul A Burns
Introduction: The Royal Victoria Hospital, Belfast provides the regional neuroendovascular service for Northern Ireland and was an enrolling centre for the ESCAPE endovascular stroke trial. Our aim was to assess outcomes for patients presenting with acute stroke following discontinuation of trial enrolment at our centre. Methods: We collected data on all patients presenting with acute stoke between Nov-1st-2014 and Oct-31st-2015 who received endovascular treatment or received IV thrombolysis (IV-tPA) alone...
January 2018: Ulster Medical Journal
https://www.readbyqxmd.com/read/29569010/posterior-circulation-occlusions-may-be-associated-with-distal-emboli-during-thrombectomy-factors-for-distal-embolization-and-a-review-of-the-literature
#19
Leonard L L Yeo, Ake Holmberg, Anastasios Mpotsaris, Michael Söderman, Staffan Holmin, Asa Kuntze Söderqvist, Marcus Ohlsson, Pervinder Bhogal, Vamsi Gontu, Tommy Andersson, Patrick A Brouwer
BACKGROUND: Distal embolization or movement of the thrombus to previously uninvolved vasculature are feared complications during stroke thrombectomy. We looked at associated factors in a consecutive series of patients who underwent thrombectomy with the same endovascular device. METHODS: We included all patients with acute ischemic stroke in the anterior or posterior circulation, who underwent thrombectomy with the same thrombectomy device for acute stroke from 2013 to 2016...
March 22, 2018: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29563377/exploration-of-bivalirudin-use-during-percutaneous-coronary-intervention-for-high-bleeding-risk-patients-with-chronic-total-occlusion
#20
Chenguang Li, Yi Shen, Rende Xu, Yuxiang Dai, Shufu Chang, Hao Lu, Lei Ge, Jianying Ma, Juying Qian, Junbo Ge
The safety and efficacy of bivalirudin during percutaneous coronary intervention (PCI) in high bleeding risk patients with chronic total occlusion lesions (CTO) has not been studied till date. The use of bivalirudin may increase the thrombotic events during CTO-PCI.Between May 2013 and April 2014, a total of 117 high bleeding risk patients with CTOs underwent PCI. Bivalirudin was used in 89 cases with different strategies, including standard usage, combination of heparin, and additional bolus of bivalirudin on the basis of standard usage...
March 20, 2018: International Heart Journal
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