经颅多普勒检查发现与肺动静脉瘘相关的反常脑栓塞
Transcranial Doppler of a paradoxical brain embolism associated with a pulmonary arteriovenous fistula.
作者信息
Kimura K, Minematsu K, Wada K, Yasaka M, Tagaya M, Kuribayashi S, Yamaguchi T
机构信息
Department of Medicine, National Cardiovascular Center, Suita, Osaka, Japan.
出版信息
AJNR Am J Neuroradiol. 1999 Nov-Dec;20(10):1881-4.
Abstract
We herein report the case of a patient who had paradoxical brain embolism owing to a pulmonary arteriovenous fistula (PAVF) who was diagnosed as having a right-to-left shunt by transcranial Doppler (TCD) with saline contrast medium. TCD with saline contrast medium failed to detect any high-intensity transient signals immediately after catheter embolization of the PAVF. Thus, TCD with saline contrast medium was useful for identifying the presence of a right-to-left shunt and for confirming that the shunt had been obliterated after endovascular treatment.
摘要
我们在此报告一例因肺动静脉瘘（PAVF）发生矛盾性脑栓塞的患者，该患者通过经颅多普勒（TCD）使用生理盐水造影剂被诊断为存在右向左分流。在对PAVF进行导管栓塞后，使用生理盐水造影剂的TCD未能立即检测到任何高强度瞬态信号。因此，使用生理盐水造影剂的TCD有助于识别右向左分流的存在，并确认血管内治疗后分流已被消除。
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