Trends in antithrombotic therapy for atrial fibrillation: Data from the Veterans Health Administration Health System.

Trends in antithrombotic therapy for atrial fibrillation: Data from the Veterans Health Administration Health System.
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DOI:
10.1016/j.ahj.2016.03.029
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发表时间:
2016-09
影响因子:
4.8
通讯作者:
Vaughan Sarrazin MS
Vaughan Sarrazin MS
中科院分区:
医学2区
文献类型:
--
作者:
Buck J;Kaboli P;Gage BF;Cram P;Vaughan Sarrazin MS

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尽管存在争议,但先前的一些研究表明,口服抗凝剂(OACs)在美国房颤(AF)人群中的使用不足。适当使用oac是必要的,因为它们可以显著降低房颤患者的卒中风险。在1,200万房颤患者中,建议在卒中风险为中度或高度时使用oac,而不是在卒中风险较低时使用oac。为了量化趋势和指南依从性,我们在退伍军人健康管理局评估了10年期间新AF患者使用OAC(华法林或达比加群)的情况。新发房颤定义为在120天内至少有2次临床诊断为房颤且没有既往房颤诊断(N = 297,611)。充血性心力衰竭、高血压、年龄bbb75、糖尿病和中风(CHADS2)评分是根据年龄和诊断出的高血压、糖尿病、心力衰竭、中风或短暂性脑缺血发作在房颤诊断前12个月内确定的。使用VA药房数据评估新诊断AF后90天内收到的OAC。总体而言,OAC的启动率从2002年的51.3%降至2011年的43.1%。对于CHADS2评分为0、1、2、3、4和5-6的患者,服用OAC的患者比例分别相对下降26%、23%、14%、12%、9%和13% (P < 0.001)。氯吡格雷的使用稳定在房颤人群的10%。在有新的房颤和其他中风危险因素的美国退伍军人中,只有大约一半的人接受OAC治疗,而且这一比例正在下降。
Although controversial, several prior studies have suggested that oral anticoagulants (OACs) are underused in the US atrial fibrillation (AF) population. Appropriate use of OACs is essential because they significantly reduce the risk of stroke in those with AF. In the >2 million Americans with AF, OACs are recommended when the risk of stroke is moderate or high but not when the risk of stroke is low. To quantify trends and guideline adherence, we evaluated OAC use (either warfarin or dabigatran) in a 10-year period in patients with new AF in the Veterans Health Administration. New AF was defined as at least 2 clinical encounters documenting AF within 120 days of each other and no previous AF diagnosis (N = 297,611). Congestive Heart Failure, Hypertension, Age >75, Diabetes, and Stroke (CHADS2) scores were determined using age and diagnoses of hypertension, diabetes, heart failure, and stroke or transient ischemic attack during the 12 months before AF diagnosis. Receipt of an OAC within 90 days of a new diagnosis of AF was evaluated using VA pharmacy data. Overall, initiation of an OAC fell from 51.3% in 2002 to 43.1% in 2011. For patients with CHADS2 score of 0, 1, 2, 3, 4, and 5–6, the proportions of patients prescribed an OAC showed a relative decrease of 26%, 23%, 14%, 12%, 9%, and 13%, respectively (P >.001). Clopidogrel use was stable at 10% of the AF population. Among US veterans with new AF and additional risk factors for stroke, only about half receive OAC, and the proportion is declining.
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