Limitations
Our meta-analysis has several limitations, which should be taken into
account while interpreting the results. Only a small number of studies
have assessed the impact of first-line VT ablation in patients with ICM,
and the data available to stratify outcomes based on LVEF is limited;
hence, the necessity to assess a composite endpoint. Also, techniques
for VT mapping and ablation differed amongst the studies. Our results
are applicable only to patients with ICM, and should not be generalized
to NICM.