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Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
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左心室内膜切除后的大脑栓塞

Isaac R Whitman1, Rachel A Gladstone1, Nitish Badhwar1

  • 1From Electrophysiology Section, Division of Cardiology, University of California, San Francisco (I.R.W., R.A.G., N.B., H.H.H., B.K.L., E.P.G., G.M.M.); Department of Neurology, University of California, San Francisco (S.A.J., K.M.M., W.P.D., C.P.H.); and Division of Neuroradiology, Department of Radiology, University of California, San Francisco (W.P.D., C.P.H.).

Circulation
|January 26, 2017
PubMed
概括

左心室切除用于心室高心率和过早心室复合体 (PVCs) 与大脑栓塞的高风险有关. 需要进一步的研究来了解和预防这些移除后的脑病变.

关键词:
心脏复杂,早产导管切除血栓形成磁共振成像快速心跳,心室

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科学领域:

  • 心脏病学
  • 神经学
  • 医学成像

背景情况:

  • 导管切除是一种常见的治疗室内心跳和过早的室内复合体 (PVC).
  • 大脑栓塞是已知的心房移除的风险,但在心室移除中没有得到充分研究.
  • 了解腹腔切除时的栓塞风险对于患者的安全至关重要.

研究的目的:

  • 评估心室动脉冲动和PVC导管切除后脑栓塞的发生率.
  • 为了比较左心室 (LV) 和右心室切除手术之间的栓塞风险.
  • 为了确定脑栓塞的潜在危险因素.

主要方法:

  • 连续接受了18名心室切除术的患者.
  • 患者被分为左心室 (LV) 切除组和右心室切除组.
  • 在手术前和手术后使用脑磁力共振来检测栓塞性心脏病发作.

主要成果:

  • 在接受LV切除的患者中,有58%患有脑栓塞 (共16例).
  • 在接受右心室切除的患者中没有观察到脑栓塞 (P=0. 04).
  • 63% 的逆行性LV患者出现了新的脑病变.

结论:

  • 常规的左心室切除手术与新的脑栓塞的高发病率有关.
  • 这些发现强调需要进一步研究这些病变的长期影响和预防策略.
  • 与左心室切除相比,右心室切除的脑栓塞风险显著降低.