Does the use of LGE-CMR to guide LV lead deployment away from scarred myocardium improve clinical outcomes in patients undergoing CRT compared to a conventional implantation approach?
Using LGE-CMR to avoid pacing scarred myocardium during CRT implantation improves clinical outcomes and reduces the risk of pump failure and sudden cardiac death.
Compared with a conventional implantation approach, the use of LGE-CMR to guide LV lead deployment away from scarred myocardium results in a better clinical outcome after CRT. Pacing scarred myocardium was associated with the worst outcome, in terms of both pump failure and sudden cardiac death.
Leyva et al. (2011) studied this question.