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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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