Table 1. The search strategy summary.

Items	Specification
Date of search	20th May 2024
Database searched	PubMed
Search terms used	“heart failure”, “ccTGA”, “VAD”, “heart transplantation”, and “systemic RV failure”
Timeframe	Between 1st April 2010 and 31st March 2024
Inclusion criteria	Literature that represents the current guidelines or multicentre trials (however most of the literature was derived from observational studies and guidelines for patients with ccTGA have the evidence level of expert opinion), consideration of qualitative and quantitative studies, restriction to original research, humans, and papers published in English at any date within the timeframe
Selection process	Review of all abstracts meeting the inclusion criteria. Manual search of the reference lists of all eligible articles. Two authors (i.e., M.K. and M.L.B.V. with support of S.I. and C.S.) assessed the importance of the studies independently prior to their inclusion in the review. A relevant manuscript was defined based on the impact factor of the journal, being a guideline manuscript, a society position paper, or a comprehensive review of the current literature

ccTGA, congenitally corrected transposition of the great arteries.