Why the study?
Does radiofrequency ablation of AV node slow pathway affect global and regional heart function in children at late follow-up?
Does radiofrequency ablation of AV node slow pathway affect global and regional heart function in children at late follow-up?
Radiofrequency ablation of the AV node slow pathway in children is associated with reduced regional atrial myocardial deformation and increased atrial volumes at late follow-up, without impairing ventricular function.
Impairment of atria and ventricular function may occur after radiofreąuency ablation (RFA) of AV node slow pathway in the case of tachycardia. The 2D speckle tracking imaging technique was used for quantification of global and regional function of the heart at late follow-up in children who underwent RFA of slow pathway. The study group consisted of 22 children who underwent RFA 5, 5 (2,5) years ago and 20 healthy children. The age was comparable between the groups. The study revealed no impairment of global and regional function of the ventricles and increased atria volumes, reduced regional atrial myocardial deformation parameters in children late after RFA. One of the possible cause of reduced atrial function may be negative effect of radiofrequency ablation. Bibl. 11, tabl. 9 (in English; abstracts in English and Lithuanian).http://dx.doi.org/10.5755/j01.eee.109.3.171
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Šileikienė et al. (2011) studied this question.
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