心臓カテーテル検査時に肺動脈解離を起こしたビーグル犬の1例

DOI 日本農学文献記事索引 Web Site 参考文献6件
  • 安東 賢太郎
    山梨大学・大学院・医学工学総合研究部・薬理学
  • 中村 裕二
    山梨大学・大学院・医学工学総合研究部・薬理学
  • 高原 章
    山梨大学・大学院・医学工学総合研究部・薬理学
  • 杉山 篤
    山梨大学・大学院・医学工学総合研究部・薬理学

書誌事項

タイトル別名
  • A Case of Pulmonary Artery Dissection during a Cardiac Catheterization Study of a Beagle Dog
  • シンゾウ カテーテル ケンサジ ニ ハイ ドウミャク カイリ オ オコシタ ビーグルケン ノ 1レイ

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We experienced a case of cardiac sudden death during a catheterization procedure. A male beagle dog was anesthetized with 1% halothane vaporized with 100% oxygen. A thermodilution catheter was positioned at the pulmonary artery through the right femoral vein, then a pig-tail catheter was positioned at the left ventricle through the right femoral artery. No significant changes were induced in the hemodynamic measurements during the procedure. However, when a quad-polar recording electrodes catheter was inserted to record His-bundle electrogram through the left femoral artery toward non-coronary cusp, the blood pressure was abruptly lowered to zero following a sense of resistance from the catheter. The catheter was immediately removed, while the dog fell in a cardiovascular collapse. Necrotomy was carried out immediately. A fossa was confirmed on the intima of arch of aorta, communicating with the dissection hematoma at the pulmonary artery via ligamentum arteriosum. These observations suggest that the electrode catheter was inserted into the fossa by chance, which might have partly re-opened the ductus arteriosus, leading to the onset of dissection hematoma of pulmonary artery and acute circulatory failure.

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