Atrial resynchronization following heart transplantation in childhood.

Abstract:

:Despite preserved left ventricular function, exercise capacity is often impaired after cardiac transplantation due to autonomic denervation of the donor's sinus node. We present our experience with atrio-atrial resynchronization in 2 pediatric heart transplant recipients. Both were highly active, suffered from chronotropic incompetence, and underwent successful atrial resynchronization with an objective improvement in exercise capacity, restoration of a physiologic chronotropic response, and resolution of dyspnea. Long-term stable recipient sinus node function may, therefore, be maintained in some cardiac transplant recipients with standard atrio-atrial anastomes. Atrio-atrial pacing may be feasible and effective years after transplantation.

authors

Cadrin-Tourigny J,Fournier A,Khairy P,Vobecky SJ

doi

10.1111/j.1540-8167.2009.01678.x

subject

Has Abstract

pub_date

2010-05-01 00:00:00

pages

577-80

issue

5

eissn

1045-3873

issn

1540-8167

pii

JCE1678

journal_volume

21

pub_type

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