2.1 Data sources and searches
This systematic review and meta-analysis were carried out following the
Preferred Reporting Items for Systematic Reviews and Meta-Analyses
(PRISMA) statement.20 Searches were independently
performed by two investigators (G.Y. and T.K.) who searched Embase,
Medline (PubMed), and Cochrane’s Library databases for related articles,
with the keywords: “left bundle branch pacing” OR “left bundle branch
area pacing.” At the same time, references of the relevant original and
review articles were manually sorted to undergo a comprehensive search.
The search was restricted to research in humans published in English,
and was completed on July 17, 2022.