Abstract:
BACKGROUND:In preparation for an invasive procedure with a high bleeding risk, patients with a mechanical heart valve temporarily have to discontinue their anticoagulant therapy and are usually bridged with either intravenous unfractionated heparin (UFH) or subcutaneous low-molecular-weight heparin (LMWH). In this study we retrospectively analyzed the safety of UFH versus LMWH as bridging strategy in left-sided mechanical heart valve patients. METHODS:We performed a retrospective multicenter study in four surgical centers in The Netherlands. Patients with a mechanical heart valve implantation bridged from January 2010 until January 2015 were included. The cumulative incidence of adverse events in the 30days following the procedure was recorded. Main outcomes were major bleeding according to International Society on Thrombosis and Haemostasis (ISTH) criteria, symptomatic thromboembolism, and mortality. RESULTS:In total, 238 (174 aortic, 42 mitral, 22 aortic+mitral) bridging episodes were included. The incidence of major bleeding was 16 (19%) events in the UFH group versus 29 (19%) events in the LMWH group (p=0.97). Incidences of thromboembolism were 2 (2.4%) versus 1 (0.6%). The incidence of death was 1 (1.2%) patient in the UFH group versus 3 (1.9%) patients in the LMWH group. More than 50% of all bleeding complications were categorized as a major bleeding. CONCLUSIONS:Bridging anticoagulation in patients with aortic and mitral mechanical valves is associated with considerable risk, but no difference was apparent between UFH and LMWH strategy. The rate of thromboembolism and death was low with either strategy and the vast majority of adverse events were bleedings.
journal_name
Int J Cardioljournal_title
International journal of cardiologyauthors
Hart EA,Jansen R,Meijs TA,Bouma BJ,Riezebos RK,Tanis W,van Boven WJ,Hindori V,Wiersma N,Dessing T,Westerink J,Chamuleau SAdoi
10.1016/j.ijcard.2017.01.042subject
Has Abstractpub_date
2017-04-01 00:00:00pages
121-126eissn
0167-5273issn
1874-1754pii
S0167-5273(17)30074-8journal_volume
232pub_type
杂志文章,多中心研究abstract::There continues to be interest in understanding the role of vitamin D in the pathogenesis, epidemiology and prevention of cardiovascular disease (CVD). In fact vitamin D deficiency has been associated to an increased risk of developing CVD given to the relationship between low vitamin D levels and obesity, diabetes me...
journal_title:International journal of cardiology
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pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:2006-04-28 00:00:00
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pub_type: 杂志文章,随机对照试验
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