Which factors increase the risk of sinus node dysfunction (SND) after catheter ablation to restore sinus rhythm?

Updated: Nov 30, 2018
  • Author: Bharat K Kantharia, MD, FRCP, FAHA, FACC, FESC, FHRS; Chief Editor: Mikhael F El-Chami, MD  more...
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Answer

A study by Sunaga et al involving 202 subjects indicated that in patients with persistent AF, those with low-amplitude fibrillatory waves and a large left atrial volume index are at an increased risk for the appearance of concealed SND after catheter ablation has restored sinus rhythm. [19]


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