Population
512 operative survivors of repaired tetralogy of Fallot in Japan
Design
Cohort
Follow-up
maximum 30 years
Authors
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Supports excellent long-term TOF outcomes with low arrhythmia rates; extends Western data but hypothesis-generating for ethnic or surgical differences.
The prevalence of serious late arrhythmias in Japanese patients with repaired tetralogy of Fallot is low compared to Western cohorts, potentially related to narrower postoperative QRS durations.
Nakazawa et al. (2004) studied this question.
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