Catheter ablation may be an effective therapy in AF patients with left ventricular systolic impairment , and can be associated with improvements in left ventricular function , quality of life , exercise capacity , and modest rates of serious adverse events
INTRODUCTION Catheter ablation of atrial fibrillation ( AF ) is an established rhythm control strategy ; however , the impact of co-existing LV systolic dysfunction ( LVSD ) on ablation success is less well understood .
This systematic review compiles the outcomes of catheter ablation of atrial fibrillation in patients with LVSD .
Catheter ablation for atrial fibrillation results in greater improvement in cardiac function in patients with low versus normal left ventricular ejection fraction
Purpose It is still unknown whether left ventricular ejection fraction ( LVEF ) might affect the magnitude of improvement after atrial fibrillation ( AF ) ablation on cardiac function in persistent or longst and ing persistent AF ( CAF ) patients . Method We performed echocardiography in 35 patients with CAF before and after catheter ablation ( CA ) .  Patients were stratified by LVEF into two groups prior to CA — normal LVEF ( ≥50 % LVEF , N group , n = 24 ) and a low LVEF group ( < 50 % LVEF , L group , n = 11 ) . Patients were followed at 1 month , 3 months , 6 months , 1 year , and 2 years after ablation . Results After 15.8 ± 7.4 months follow-up , the L group showed greater improvement in LVEF and left atrial ejection fraction ( LAEF ; N group vs L group : LVEF difference ( % ) , 5 ±8 vs 20± 13 , p < 0.01 ; LAEF difference ( % ) , 11 ± 12 vs 21 ± 10 , p < 0.05 ) . LA maximal volume and E/e′ showed the same tendency after ablation , although the extent of improvement was not statistically significant . Both groups showed almost the same time course of improvement up to 2 years , although the L group showed earlier recovery in LVEF . Conclusion The greater improvement in several cardiac functions was seen in patients with greater LV dysfunction , after the CA for CAF
Catheter ablation may be an effective therapy in AF patients with left ventricular systolic impairment , and can be associated with improvements in left ventricular function , quality of life , exercise capacity , and modest rates of serious adverse events
INTRODUCTION Catheter ablation of atrial fibrillation ( AF ) is an established rhythm control strategy ; however , the impact of co-existing LV systolic dysfunction ( LVSD ) on ablation success is less well understood .
This systematic review compiles the outcomes of catheter ablation of atrial fibrillation in patients with LVSD .