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NEJM:检测隐源性脑卒中患者的潜在房颤风险

2014-07-01 睿医编译 睿医资讯

两项随机试验表明,对于隐源性脑卒中或TIA患者,标准随访可能造成漏诊,延长监视可诊断出房颤。 在CRYSTAL AF试验中,植入式心脏监视器的房颤诊断率为8.9%,而为期6个月的标准随访诊断率为1.4%(HR 6.4, 95% CI 1.9-21.7)。 相似的,在EMBRACE试验中,利用外置式30天事件触发循环记录器延长监视90天,比常规的24小时霍尔特氏心电动态监测仪检测出更过房

两项随机试验表明,对于隐源性脑卒中或TIA患者,标准随访可能造成漏诊,延长监视可诊断出房颤。

在CRYSTAL AF试验中,植入式心脏监视器的房颤诊断率为8.9%,而为期6个月的标准随访诊断率为1.4%(HR 6.4, 95% CI 1.9-21.7)。

相似的,在EMBRACE试验中,利用外置式30天事件触发循环记录器延长监视90天,比常规的24小时霍尔特氏心电动态监测仪检测出更过房颤病例(16.1% versus 3.2%, P<0.001)。

这两项刊登于7月26日的《新英格兰杂志医学版》的研究主要表明,对于隐源性脑卒中患者,持续至少数周的心脏节律检测能够更好的排除脑卒中患者的阵发性房颤风险。

Kamel就两篇研究发表过一段社论表明,延长检测的最佳长度尚不清楚,检测到房颤病例并基于这一发现改变疗法能够改善临床预后尚未得到临床试验的证明。




但是他表示,直到临床数据出现之前,这都是一个真正重要的中间步骤。基于当前证据,我们认识到对于这些患者、对于隐源性卒中、对于房颤风险,这个想法都是合理化的(其能够改善预后)。

当前实践指南建议,短暂性卒中后至少需要24小时心电图监护以确定房颤是否是风险因素,但即使继续监视,20%-40%缺血性卒中还是被归类为隐源性。

很多卒中被认为是由于房颤导致的,但并未被证实有心律不齐,标准的治疗是给予抗血小板药物代替抗凝血药物。因此,检测无症状的阵法性房颤可能影响治疗方案的制定。

原始出处:


相关文献:

Sanna T1, Diener HC, Passman RS, Di Lazzaro V, Bernstein RA, Morillo CA, Rymer MM, Thijs V, Rogers T, Beckers F, Lindborg K, Brachmann J; CRYSTAL AF Investigators.Cryptogenic stroke and underlying atrial fibrillation.N Engl J Med. 2014 Jun 26;370(26):2478-86. doi: 10.1056/NEJMoa1313600.

Gladstone DJ1, Spring M, Dorian P, Panzov V, Thorpe KE, Hall J, Vaid H, O'Donnell M, Laupacis A, Côté R, Sharma M, Blakely JA, Shuaib A, Hachinski V, Coutts SB, Sahlas DJ, Teal P, Yip S, Spence JD, Buck B, Verreault S, Casaubon LK, Penn A, Selchen D, Jin A, Howse D, Mehdiratta M, Boyle K, Aviv R, Kapral MK, Mamdani M; EMBRACE Investigators and Coordinators.Atrial fibrillation in patients with cryptogenic stroke.N Engl J Med. 2014 Jun 26;370(26):2467-77. doi: 10.1056/NEJMoa1311376.

Kamel H.Heart-rhythm monitoring for evaluation of cryptogenic stroke.N Engl J Med. 2014 Jun 26;370(26):2532-3. doi: 10.1056/NEJMe1405046.



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    2014-07-15 chen111111

    延长监视会诊断出房颤,对于隐源性卒中和TIA患者

    0

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