Prenatal diagnosis of fetal complete atrioventricular block with QT prolongation and alternating ventricular pacemakers using multi-channel magnetocardiography and current-arrow maps

Takayoshi Hosono, Mika Shinto, Yoshihide Chiba, Akihiko Kandori, Keiji Tsukada

研究成果査読

19 被引用数 (Scopus)

抄録

We report a case of fetal complete atrioventricular block (CAVB) with QT prolongation and alternating ventricular pacemakers diagnosed by magentocardiography (MCG). Fetal bradyarrhythmia of around 60 bpm was detected at 30 weeks of gestation. Ultrasonography revealed fetal CAVB without structural cardiac anomalies. MCG was recorded at 30 weeks of gestation using a 64-channel superconducting quantum interference device (MC-6400, Hitachi, Japan). The averaged MCG revealed QT prolongation, and the current-arrow maps generated by MCG revealed alternating ventricular pacemakers. The diagnosis was confirmed by electrocardiogram after birth. A permanent pacemaker was implanted during the early neonatal period, and the infant was healthy at 6 months of follow-up. MCG may be a useful diagnostic tool for fetal CAVB with QT prolongation and alternating ventricular pacemakers.

本文言語English
ページ(範囲)173-176
ページ数4
ジャーナルFetal Diagnosis and Therapy
17
3
DOI
出版ステータスPublished - 2002
外部発表はい

ASJC Scopus subject areas

  • 小児科学、周産期医学および子どもの健康
  • 胎生学
  • 放射線学、核医学およびイメージング
  • 産婦人科学

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