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find Keyword "Antithrombotic" 6 results
  • STUDY OF ANTITHROMBOTIC FUNCTION OF ENDOTHELIUM IN VASCULAR TISSUE ENGINEERING

    Objective To investigate the current situation and developing trend of antithrombotic function study of endothelium in vasculartissue engineering. Methods The effect of several elements onthe antithrombotic ability of endothelium, including the source of endothelium,the characteristic of the matrix materials, the cell culture methods, and the endothelium’s gene modification were analyzed. Results The normal antithrombotic function of tissue engineered vascular relied on the source ofendothelium, gene modification of seeding cells, the cell culture methods in vitro, and the characteristic of the scaffolds. Conclusion The establishment of an ideal antithrombotic functional tissue engineering vascular still requires further studies in various aspects including seeding cells, matrix materials, and cell culture methods. Gene modification of vascular endothelium, which improves the antithrombotic ability, deserves more attention.

    Release date:2016-09-01 09:27 Export PDF Favorites Scan
  • Risk Factors for Tromboembolism Events in Patients Undergoing Bioprosthetic Mitral Valve Replacement

    ObjectiveTo investigate the risk or protective factors for systemic embolism (SE) in patients undergoing bioprosthetic mitral valve replacement (MVR). Methods Between October 2002 and March 2013, a total of 146 patients underwent bioprosthetic MVR. There were 78 females and 68 males with mean age of 66.23±5.17 years. The primary reason of mitral valve disease was mitral valve degeneration or mitral valve leaflet prolapse in 40 patients, rheumatic heart valve disease in 101 patients, ischemic heart disease in 3 patients, infectious endocarditis in 1 patient, and mechanical peri-valvular leak in 1 patient. All patients were given anticoagulation therapy with warfarin for 3 months. Thereafter, antithrombotic medication was prescribed according to the surgeon's preference. The patients were followed up by telephone or mail for postoperative condition and SE events. ResultsSixteen (10.96%) patients developed SE events, including cerebral infarction in 13 cases, transient ischemic attack (TIA) in 2 cases and spleen infarction in 1 case. A total of 16 patients died during follow-up. The 1-year, 3-year, 5-year and 10-year cumulative survival rate after surgery was 95.2%, 93.6%, 92.5% and 88.3% respectively. Patients with SE events had lower rate of left atrial appendage obliteration than those without SE events (25.0% vs. 78.6%, P=0.015). Multivariate analysis showed that left atrial appendage obliteration was an independent protective factor for SE in patients undergoing bioprosthetic MVR (P=0.041). ConclusionLeft atrial appendage obliteration is a major protective factor for systemic embolism in patients undergoing bioprosthetic MVR no matter what antithrombotic medication is taken.

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  • Antithrombotic Therapy for Gerontal Patients with Atrial Fibrillation and Coronary Artery Disease: Evidence-Based Practice

    ObjectiveTo retrieve currently-available best evidence to select the treatment plan of antithrombotic therapy for a gerontal patient lately admitted because of atrial fibrillation (AF) and coronary artery disease (CAD), and to provide references for clinical treatment. MethodsWe comprehensively searched PubMed, MEDLINE (Ovid), EMbase and The Cochrane Library (Issue 5, 2014) up to May 2014, for relevant evidence about antithrombotic therapy for patients with AF and CAD. After analysis and assessment, we developed the plan of the patient's antithrombotic therapy. ResultsCurrent evidence showed no best treatment plan of antithrombotic therapy for patients with AF and CAD. ConclusionCorrect evaluation of the risks of thrombosis and bleeding is the key point of beneficial antithrombotic therapy for patients with AF and CAD.

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  • 2017 ACC/AHA Focused Update of the Guideline for the Management of Patients with Valvular Heart Disease: key messages and future insights

    There has been substantial progress in the field since the publication of the 2014 American College of Cardiology /American Heart Association Guideline for the Management of Valvular Heart Disease, thus mandating a timely update. Major modifications that were highlighted in the 2017 Focused Update include the treatment choice for aortic stenosis, management of mitral regurgitation, the selection of prosthetic valve type and antiplatelet/antithrombotic therapy for bioprostheses. The current review aims at providing a reasonable interpretation of the most important messages conveyed in the 2017 Focused Update and their implications for the future development of this area.

    Release date:2018-02-26 05:32 Export PDF Favorites Scan
  • Progress of transcatheter heart valve intervention

    At present, interventional therapy for structural heart disease is in a period of vigorous development. Among them, transcatheter aortic valve replacement, as a representative of the interventional treatment of heart valve disease, has made rapid progress, which is a bright spot in the field of cardiovascular disease. The future development of transcatheter tricuspid valve repair/replacement is also promising. With the availability of important clinical evidence, the indications of transcatheter aortic valve replacement have been extended to the full risk range of severe aortic stenosis. More and more data showed that transcatheter mitral and tricuspid valve interventions could effectively alleviate patients’ symptoms and improve their prognosis. Transcatheter valve interventions have developed rapidly and have made tremendous progress in China. This article will review and interpret the important progress in the field of transcatheter valve interventions.

    Release date:2020-05-26 02:34 Export PDF Favorites Scan
  • Research progress of coronary heart disease with gastrointestinal bleeding

    Coronary heart disease with gastrointestinal bleeding is common in clinical practice. The disease is dangerous and has a high mortality rate. This article will review the risk factors for coronary heart disease with gastrointestinal bleeding (including Helicobacter pylori infection, long-term use of antiplatelet drugs and combined anticoagulation drugs), blood transfusion strategies (including hemoglobin transfusion thresholds and platelet transfusion strategies), and the management of antithrombotic drugs after bleeding (including the management of antiplatelet drugs and the management of anticoagulation combined with antiplatelet drugs). The purpose is to provide a theoretical basis for the diagnosis and treatment of coronary heart disease with gastrointestinal bleeding.

    Release date:2020-07-26 03:07 Export PDF Favorites Scan
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