Circulation:监护设备关闭左心房附件并不明显增加设备相关性栓塞的发生率

2018-09-01 MedSci MedSci原创

对于房颤患者,用监护仪设备关闭左心房附件可预防来源于左心房附件的血栓;但是,装置的左心房面上可能会形成血栓,脱落后栓塞血管。现Srinivas R. Dukkipati等人对设备相关血栓(DRT)的发生率、预测和临床预后进行研究。所有受试者在45天和12个月时进行经食管超声心动图监测,随机对照组受试者于6个月时进行监测。研究人员对经食管超声心动图(和其他计划外的经食管超声心动图检查)期间DRT的发

对于房颤患者,用监护仪设备关闭左心房附件可预防来源于左心房附件的血栓;但是,装置的左心房面上可能会形成血栓,脱落后栓塞血管。现Srinivas R. Dukkipati等人对设备相关血栓(DRT)的发生率、预测和临床预后进行研究。

所有受试者在45天和12个月时进行经食管超声心动图监测,随机对照组受试者于6个月时进行监测。研究人员对经食管超声心动图(和其他计划外的经食管超声心动图检查)期间DRT的发生率,以及术后卒中或全身栓塞(SSE)的临床结果和校正的CHA2DS2-VASC和HAS-BLED评分进行评估。

共有1739位患者接受设备植入,随访了7159患者年(CHA2DS2-VASc=4.0),在65位患者中观察到DRT(3.74%)。SSE有无合并DRT的概率分别是7.46和1.78每100患者年(校正概率比 3.55,95% CI 2.18-5.79,p<0.001),缺血性SSE的概率是6.28和1.65每100患者年(校正概率比 3.22,95% CI 1.90-5.45,p<0.001)。根据多变量模型分析,DRT的预测因子有:一过性缺血发作或中风史(优势比[OR] 2.31,95% CI 1.26-4.25,p=0.007)、永久性房颤(OR 2.24,95% CI 1.19-4.20,p=0.012)、血管疾病(OR 2.06,95% CI 1.08-3.91,p=0.028)、左心房附件直径(OR  1.06/增加1mm,95% CI 1.01-1.12,p=0.019);左心室射血分数(OR 0.96/每增加1%,95% CI 0.94-0.99,p=0.009)。DRT和SSE两者均见于17位患者(17/65,26.2%)。对于DRT患者发生的19例SSE事件,9例是发生在进行DRT检查的1个月内(47.4%)、12例是发生在6个月内(63.2%)。相反,左心房附件关闭后,大多数SSEs事件发生在无DRT的患者中(123/142,86.62%)。

用监护设备关闭左心房附件后,并不经常发生DRT(≈3.7%),但是,一旦出现,就会增加卒中或全身栓塞的风险。

原始出处:

Srinivas R. Dukkipati,et al. Device-Related Thrombus After Left Atrial Appendage Closure. Circulation. 2018;138:874-885

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    2018-10-24 ylz8411
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    2018-09-03 bioon6
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    2018-09-03 sodoo