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Arterial thrombosis

Silmara Montalvão, Priscila Soares Elídio, Sabrina da Silva Saraiva, Bruna de Moraes Mazetto, Marina Pereira Colella, Erich Vinícius de Paula, Simone Appenzeller, Joyce Annichino-Bizzacchi, Fernanda Andrade Orsi
INTRODUCTION: Antibodies directed against domain 1 of β2 glycoprotein 1 (aβ2GP1-Dm1) have been involved in the immunopathogenesis of antiphospholipid syndrome (APS). However, the clinical relevance of aβ2GP1-Dm1 in thrombotic APS has not yet been fully explored. OBJECTIVES: To determine the frequency of aβ2GP1-Dm1 in a cohort of patients with thrombotic APS, and to evaluate whether testing for aβ2GP1-Dm1 could have a clinical impact upon the risk assessment of the disease...
October 4, 2016: Thrombosis Research
P X Kuan, P W Tan, A T Jobli, A R Norsila
INTRODUCTION: Differences in systolic blood pressure reading between arms are common but could signal trouble if the discrepancy is significant. Early detection of aortic dissection could invariably determine patient's survivability. Hence, a high index of suspicion with prompt diagnostic imaging is vital for accurate diagnosis. CASE PRESENTATION: A previously healthy 35-year-old lady was referred from district hospital for hypertensive cardiomyopathy complicated by acute pulmonary oedema...
August 2016: Medical Journal of Malaysia
F Heran Dreyfus, O Galatoire, P Koskas, F Lafitte, E Nau, O Bergès
Orbito-palpebral vascular pathology represents 10% of all the diseases of this area. The lesion may be discovered during a brain CT scan or MRI, or because it causes clinical symptoms such as orbital mass, visual or oculomotor alteration, pain, proptosis, or acute bleeding due to a complication of the lesion (hemorrhage, thrombosis). We present these lesions using an anatomical, clinical, imaging and therapeutic approach. We distinguish four different entities. Vascular tumors have common imaging characteristics (hypersignal on T2 sequence, contrast enhancement, abnormal vascularization well depicted with ultrasound and Doppler, and possible bleeding)...
October 18, 2016: Journal Français D'ophtalmologie
Anders J Davidson, Lucas P Neff, Joseph J DuBose, James B Sampson, Christopher M Abbot, Timothy K Williams
Peripheral vascular injuries carry significant risk for permanent functional impairment, limb loss, and death. Definitive correction of these injuries requires significant operative time and has traditionally been resource and skill set intensive. In the initial surgical treatment of the physiologically depleted trauma patient, faster techniques may prove more appropriate. Damage control techniques, including vascular shunting, rapidly restore distal flow but require additional vascular intervention and risk shunt thrombosis with prolonged use...
November 2016: Journal of Trauma and Acute Care Surgery
Yangyang Shen, Pang Li, Kai Cui, Zhendan Wang, Fachang Yu, He Tian, Sheng Li
OBJECTIVES: Curative hepatectomy and tumor thrombectomy for hepatocellular carcinoma with complicating biliary tumor thrombosis (HCC/BTT) is associated with high surgical morbidity and mortality. This retrospective study evaluated the effectiveness and safety of neoadjuvant transcatheter arterial chemoembolization (TACE) in HCC/BTT patients scheduled for curative resection. METHODS: Thirty consecutive patients with diagnosed HCC/BTT were hospitalized for neoadjuvant TACE and elective curative liver resection (group A; n=20) or curative liver resection alone (group B; n=10)...
October 21, 2016: International Journal of Technology Assessment in Health Care
Vikrant Rai, Poonam Sharma, Swati Agrawal, Devendra K Agrawal
Heart disease causing cardiac cell death due to ischemia-reperfusion injury is a major cause of morbidity and mortality in the United States. Coronary heart disease and cardiomyopathies are the major cause for congestive heart failure, and thrombosis of the coronary arteries is the most common cause of myocardial infarction. Cardiac injury is followed by post-injury cardiac remodeling or fibrosis. Cardiac fibrosis is characterized by net accumulation of extracellular matrix proteins in the cardiac interstitium and results in both systolic and diastolic dysfunctions...
October 20, 2016: Molecular and Cellular Biochemistry
Yukio Ozaki, Shogo Tamura, Katsue Suzuki-Inoue
Platelets play a key role in the pathophysiological processes of hemostasis and thrombus formation. However, platelet functions beyond thrombosis and hemostasis have been increasingly identified in recent years. A large body of evidence now exists which suggests that platelets also play a key role in inflammation, immunity, malignancy, and furthermore in organ development and regeneration, such as the liver. We have recently identified CLEC-2 on the platelet membrane, which induces intracellular activation signals upon interaction of a snake venom, rhodocytin...
2016: Thrombosis Journal
Tur-Fu Huang, Chun-Chieh Hsu, Yu-Ju Kuo
Snake venoms affect blood coagulation and platelet function in a complex manner. However, two classes of venom proteins, snaclecs and disintegrins have been shown to specifically target receptors including GPIb, α2β1, GPVI, CLEC-2 and integrins αIIbβ3, αvβ3, α5β1 expressed on platelets, endothelial cells, phagocytes, tumor cells, thus affecting cell-matrices and cell-cell interactions. Here, we focus on disintegrins, a class of low molecular mass Arg-Gly-Asp(RGD)/Lys-Gly-Asp(KGD)-containing, cysteine-rich polypeptide derived from various viper snake venoms...
2016: Thrombosis Journal
Lai Heng Lee
The group of new oral anticoagulants or NOACs, now termed direct oral anticoagulants or DOACs, with their favourable results from large scale phase III clinical trials, represent a major advancement and expanded armamentarium in antithrombotic therapy. Dabigatran, rivaroxaban, apixaban and edoxaban are now in clinical routine use for prevention and treatment of arterial and venous thrombotic diseases as addressed in their clinical trials. Usage of the DOACs is expected to increase as clinicians gain more experience and reassurance with data from the real world studies which are generally consistent with that from clinical trials...
2016: Thrombosis Journal
Robert M Van Haren, Lee J Goldstein, Omaida C Velazquez, Jagajan Karmacharya, Arash Bornak
OBJECTIVE: Aortobifemoral bypass has been the gold standard treatment for extensive aortoiliac occlusive disease. Endovascular therapy and stenting of aortic and iliac occlusive lesions has proven to be efficacious, especially when dealing with short segment lesions. Endovascular treatment of TransAtlantic Inter-Society Consensus II (TASC) D aortoiliac occlusive lesions remains a challenge, but a valuable treatment option in poor surgical candidates. We present our operative technique and midterm results in treating TASC D aortoiliac occlusive disease using unibody bifurcated endografts...
October 17, 2016: Journal of Vascular Surgery
Kostas Delaunay, Florence Le Jeune, Etienne Garin, Anne Devillers, Xavier Palard-Novello
A 75-year-old man with a history of prostate cancer was referred to our department to perform F-choline (FCH) PET/CT. FCH PET/CT showed a markedly increased uptake in the right temporoparietal junction brain. Three weeks earlier, acute ischemic stroke was diagnosed in the right temporoparietal junction brain on diffusion-weighted sequence and thrombosis in a distal branch of the right middle cerebral artery on MR angiography. Choline precursors promote repair and growth of cell membranes in neurologic diseases, so FCH PET/CT uptake could be explained by repair processes during early outcome of acute ischemic stroke...
October 18, 2016: Clinical Nuclear Medicine
Manish Mehta, Yi Zhou, Philip S K Paty, Medhi Teymouri, Kamran Jafree, Humayun Bakhtawar, Jeffrey Hnath, Paul Feustel
BACKGROUND: This study evaluated the feasibility, safety, and effectiveness of endovascular interventions for common femoral artery (CFA) occlusive disease. METHODS: Using a prospectively maintained multicenter database, we analyzed outcomes in 167 consecutive patients who underwent percutaneous CFA interventions for Rutherford class 3 to class 6 (R3-R6) disease. The standardized treatment approach included primary percutaneous transluminal angioplasty (PTA) only, atherectomy + PTA, and provisional stenting...
August 2016: Journal of Vascular Surgery
Alexander Breitenstein, Simon F Stämpfli, Martin F Reiner, Yi Shi, Stephan Keller, Alexander Akhmedov, Ariane Schaub Clerigué, Remo D Spescha, Hans-Jürg Beer, Thomas F Lüscher, Felix C Tanner, Giovanni G Camici
Despite public awareness of its deleterious effects, smoking remains a major cause of death. Indeed, it is a risk factor for atherothrombotic complications and in line with this, the introduction of smoking ban in public areas reduced smoking-associated cardiovascular complications. Nonetheless, smoking remains a major concern, and molecular mechanisms by which it causes cardiovascular disease are not known. Peripheral blood monocytes from healthy smokers displayed increased JNK2 and tissue factor (TF) gene expression compared to non-smokers (n=15, p<0...
October 20, 2016: Thrombosis and Haemostasis
Daniele Iaccarino, Filippo Placentino, Alessandra Reggi, Stefano Tondi
No abstract text is available yet for this article.
December 2016: Minerva Cardioangiologica
Umit Kervan, Sinan Sabit Kocabeyoglu, Dogan Emre Sert, Emre Aygün, Kemal Kavasoglu, Mehmet Karahan, Ertekin Utku Unal, Mustafa Pac
OBJECTIVES: The common femoral artery is the standard site for immediate vascular access when initiating adult venoarterial extracorporeal membrane oxygenation. However, this approach is fraught with problems such as femoral artery occlusion, distal limb ischemia, reperfusion injury resulting in compartment syndrome, retroperitoneal hemorrhage, thrombosis, embolization, and most importantly, pulmonary edema. Here, we show our preference of using the subclavian artery with a side graft as a different cannulation technique for outflow of extracorporeal membrane oxygenation, which can avoid complications associated with different access techniques...
October 14, 2016: Experimental and Clinical Transplantation
Jose F Condado, Vasilis Babaliaros, Travis S Henry, Brian Kaebnick, Dennis Kim, Gerald W Staton
BACKGROUND: The best treatment of patients with external pulmonary vascular compression due to advanced sarcoidosis is unknown. OBJECTIVES: To report a single-center experience of percutaneous treatment for pulmonary vascular stenosis caused by external compression due to advanced sarcoidosis. METHODS: We report a case series of 5 patients with biopsy confirmed advanced sarcoidosis, seen at our academic institution with worsening dyspnea despite increase of immunosuppressive therapy...
October 7, 2016: Sarcoidosis, Vasculitis, and Diffuse Lung Diseases: Official Journal of WASOG
Y Zuo, R Willis, E Papalardo, M Petri, E N Harris, A Schleh, K DeCeulaer, M Smikle, L M Vilá, J D Reveille, G S Alarcón, E B Gonzalez
BACKGROUND: While essential for the classification of antiphospholipid syndrome (APS), anticardiolipin (aCL) assays lack specificity and anti-β2glycoproteinI (anti-β2GPI) assays lack sensitivity in this regard. Our aim was to perform a comparative analysis of the APhL ELISA assay (IgG/IgM) and criteria antiphospholipid (aPL) immunoassays in identifying APS-related clinical manifestations in a large group of patients with systemic lupus erythematosus (SLE). METHODS: Serum samples from 1178 patients from the Hopkins (n = 543), LUMINA (n = 588) and Jamaican SLE cohorts (n = 47) were examined for IgG/IgM positivity in aCL (in-house), anti-β2GPI (two commercial kits) and APhL (Louisville APL) ELISA assays...
October 16, 2016: Lupus
Raghu L Motaganahalli, Matthew R Smeds, Michael P Harlander-Locke, Peter F Lawrence, Naoki Fujimura, Randall R DeMartino, Giovanni De Caridi, Alberto Munoz, Sherene Shalhub, Susanna H Shin, Kwame S Amankwah, Hugh A Gelabert, David A Rigberg, Jeffrey J Siracuse, Alik Farber, E Sebastian Debus, Christian Behrendt, Jin H Joh, Naveed U Saqib, Kristofer M Charlton-Ouw, Catherine M Wittgen
BACKGROUND: Adventitial cystic disease (ACD) is an unusual arteriopathy; case reports and small series constitute the available literature regarding treatment. We sought to examine the presentation, contemporary management, and long-term outcomes using a multi-institutional database. METHODS: Using a standardized database, 14 institutions retrospectively collected demographics, comorbidities, presentation/symptoms, imaging, treatment, and follow-up data on consecutive patients treated for ACD during a 10-year period, using Society for Vascular Surgery reporting standards for limb ischemia...
October 14, 2016: Journal of Vascular Surgery
Rongjie Zhang, Jian Zhou, Jiaxuan Feng, Zhiqing Zhao, Junjun Liu, Zhenjiang Li, Rui Feng, Zaiping Jing
BACKGROUND: How to choose the proximal landing zone in endovascular interventions for a patient with a patent retrograde false lumen in dissection of the ascending aorta and aortic arch remains unclear. This study sought to report the safety and efficiency of inducing thrombosis of the retrograde false lumen to enhance a proximal landing zone to treat retrograde type A aortic dissection. METHODS: This study included 9 patients with retrograde type A aortic dissection treated with a 2-stage operation strategy between January 2015 and January 2016...
September 22, 2016: Journal of Thoracic and Cardiovascular Surgery
Cori R Atlin, Christoph Haller, Osami Honjo, Anusha Jegatheeswaran, Glen S Van Arsdell
BACKGROUND: Size mismatch between body and a systemic-to-pulmonary shunt can result in excessive pulmonary blood flow, compromising systemic oxygen delivery. Previously reported techniques to mechanically restrict shunt flow lack precision and reproducibility. We developed a formula for shunt banding and assessed its efficacy and reproducibility by in vitro and clinical measurements. METHODS: Formulas to determine diameter reduction, length of banding, and effect on the ratio of pulmonary blood flow (Qp) to systemic blood flow (Qs) were established...
November 2016: Journal of Thoracic and Cardiovascular Surgery
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