Wang et al identified risk factors for sudden death after atrioventricular junction ablation and pacemaker implantation. These can help to identify a patient who may benefit from more aggressive management. The authors are from Wuxi People's Hospital, Mayo Clinic and Thomas Jefferson University.
Patient selection: atrioventricular junction ablation and pacemaker insertion for atrial fibrillation
Risk factors for overall mortality:
(1) congestive heart failure
(2) NYHA functional class III or IV
(3) chronic renal failure
(4) nonsustained ventricular tachycardia
Risk factors for sudden death:
(1) dilated cardiomyopathy
(2) mitral stenosis
(3) narrow QRS complex prior to procedure
(4) right bundle branch block prior to procedure
Sudden death was not seen in any patient with pre-existing left bundle branch block.
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