| 王心宇,金红,王磊,于丹.右心声学造影在不明原因短暂性脑缺血发作中的应用[J].中国医学影像技术,2017,33(4):487~489 |
| 右心声学造影在不明原因短暂性脑缺血发作中的应用 |
| Application of right heart contrast echocardiography in patients with transient ischemic attack of unknown cause |
| 投稿时间：2016-08-27 修订日期：2017-01-06 |
| DOI：10.13929/j.1003-3089.201608118 |
| 中文关键词: 超声心动描记术 卵圆窗 脑缺血发作,短暂性 |
| 英文关键词:Echocardiography Ovale window Ischemic attack, transient |
| 基金项目: |
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| 摘要点击次数: 1995 |
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| 中文摘要: |
| 目的 探讨右心声学造影在不明原因短暂性缺血发作（TIA）患者的应用价值。方法 收集我院收治的不明原因TIA患者120例（TIA组）及同期健康志愿者60名（正常组）。两组均接受右心声学造影观察是否存在卵圆孔未闭（PFO）。以左心室在3个心动周期出现来自右心房的微气泡信号≥5个诊断为卵圆孔未闭、右向左分流。结果 TIA组与正常组少量、中量右向左分流例数差异无统计学意义，大量右向左分流例数差异有统计学意义（P<0.01）。结论 右心声学造影能有效诊断PFO；PFO右向左分流量的大小与不明原因的TIA有关。 |
| 英文摘要: |
| Objective To explore the application value of right heart contrast echocardiography in patients with transient ischemic stroke (TIA) of unknow cause. Methods Totally 120 patients with TIA (TIA group) and 60 cases of normal healthy volunteers (normal group) were enrolled. Two groups underwent right heart contrast echocardiography to observe whether there was a foramen ovale arteriosus (PFO) or not. Diagnostic criteria were left ventricular internal appearing micro bubble ≥ 5 that came from the right atrium to left atrium in three cardiac cycles. Results Small and medium amount of right to left shunt had no significant difference between TIA group and normal group (both P>0.05), and large amount of right to left shunt had significant difference between the two groups (P<0.01). Conclusion Contrast echocardiography can effectively diagnose of PFO, and amount of right to left shunt of PFO has relationship with the onset of TIA. |
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