Prolongation of the QT Interval and Ventricular Tachycardia in Patients Treated with Arsenic Trioxide for Acute Promyelocytic Leukemia

  1. Kazunori Ohnishi, MD;
  2. Hitoshi Yoshida, MD;
  3. Kazuyuki Shigeno, MD;
  4. Satoki Nakamura, MD;
  5. Shinya Fujisawa, MD;
  6. Kensuke Naito, MD;
  7. Kaori Shinjo, MD;
  8. Yota Fujita, MD;
  9. Hirotaka Matsui, MD;
  10. Akihiro Takeshita, MD;
  11. Shiho Sugiyama, MD;
  12. Hiroshi Satoh, MD;
  13. Hajime Terada, MD; and
  14. Ryuzo Ohno, MD
  1. From Hamamatsu University School of Medicine, Hamamatsu, and Aichi Cancer Center Hospital, Nagoya, Japan.
    1. Figure. Patient 1 received arsenic trioxide until day 43. Seven successive ventricular premature contractions developed on day 25, and mexiletine HCl was administered from day 28 to 148. VT = ventricular tachycardia.
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        Figure. Patient 1 received arsenic trioxide until day 43. Seven successive ventricular premature contractions developed on day 25, and mexiletine HCl was administered from day 28 to 148. VT = ventricular tachycardia. Electrocardiographic tracing and QT intervals in patient 1 during arsenic trioxide therapy.

      Summary for Patients

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