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Research ArticleBrain

Transcranial Doppler of a Paradoxical Brain Embolism Associated with a Pulmonary Arteriovenous Fistula

Kazumi Kimura, Kazuo Minematsu, Kuniyasu Wada, Masahiro Yasaka, Masafumi Tagaya, Sachio Kuribayashi and Takenori Yamaguchi
American Journal of Neuroradiology November 1999, 20 (10) 1881-1884;
Kazumi Kimura
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Kazuo Minematsu
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Kuniyasu Wada
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Masahiro Yasaka
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Masafumi Tagaya
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Sachio Kuribayashi
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Takenori Yamaguchi
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    fig 1.

    Images from the case of a 62-year-old right-handed woman who experienced the sudden onset of aphasia and right-sided hemiparesis 1 hour after the onset of stroke.

    A, Cerebral angiogram shows the intraluminal filling defect (arrow) at an ascending branch of the left MCA 2 hours after the onset of symptoms.

    B, After 240,000 IU of urokinase was administered locally through a microcatheter, the filling defect disappeared.

    C, Administered before embolization therapy of the PAVF, TCD with saline contrast medium during normal breathing shows many high-intensity transient signals (arrows) from the left MCA 5 days after the onset of stroke.

    D, Selective pulmonary angiography shows a PAVF (arrow) in the right lower lobe.

    E, After embolization therapy with metallic coil, the feeding vessel to the PAVF is completely occluded.

    F, TCD with saline contrast medium failed to reveal any HITS immediately after embolization therapy of the PAVF.

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American Journal of Neuroradiology
Vol. 20, Issue 10
1 Nov 1999
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Transcranial Doppler of a Paradoxical Brain Embolism Associated with a Pulmonary Arteriovenous Fistula
Kazumi Kimura, Kazuo Minematsu, Kuniyasu Wada, Masahiro Yasaka, Masafumi Tagaya, Sachio Kuribayashi, Takenori Yamaguchi
American Journal of Neuroradiology Nov 1999, 20 (10) 1881-1884;

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Transcranial Doppler of a Paradoxical Brain Embolism Associated with a Pulmonary Arteriovenous Fistula
Kazumi Kimura, Kazuo Minematsu, Kuniyasu Wada, Masahiro Yasaka, Masafumi Tagaya, Sachio Kuribayashi, Takenori Yamaguchi
American Journal of Neuroradiology Nov 1999, 20 (10) 1881-1884;
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Cited By...

  • Isolated pulmonary arteriovenous fistula without Rendu-Osler-Weber disease as a cause of cryptogenic stroke
  • Optimizing the Technique of Contrast Transcranial Doppler Ultrasound in the Detection of Right-to-Left Shunts
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