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Review
. 2024 Mar;35(3):511-515.
doi: 10.1111/jce.16180. Epub 2024 Jan 15.

Posttransplant atrial fibrillation: Evidence of early posttransplant recipient-to-donor atrioatrial connections

Affiliations
Review

Posttransplant atrial fibrillation: Evidence of early posttransplant recipient-to-donor atrioatrial connections

Bright Izekor et al. J Cardiovasc Electrophysiol. 2024 Mar.

Abstract

Introduction: Atrial fibrillation and atrial flutter originating from the donor s heart is a commonly reported complication post heart transplant. Atrial tachyarrhythmia originating from the recipient s heart, propagated through recipient-to-donor connections, is rare with only few cases reported in the literature; most reported cases from our review occur years post-transplant.

Case: A 47-year-old male presented with atrial tachycardia 6 months post heart transplant. Electrophysiologic study demonstrated atrial fibrillation originating from native heart and propagated through atrio-atrial connections to the donor heart. This arrhythmia was successfully terminated with radiofrequency ablation.

Conclusion: Atrio-atrial connection between recipient and donor can form as early as a few months post heart transplant. Radiofrequency ablation appears to be an effective treatment for atrial fibrillation propagated through donor-to-recipient connections.

Keywords: ablation; atrial fibrillation; atrial tachycardia; heart transplant; mapping; radiofrequency.

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References

REFERENCES

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