VVI pacing with normal QRS duration and ventricular function: MOST trial findings relevant to leadless pacemakers.
Zak LoringRebecca NorthAnne S HellkampBrett D AtwaterCamille G Frazier-MillsKevin P JacksonSean D PokorneyGervasio A LamasJonathan P PicciniPublished in: Pacing and clinical electrophysiology : PACE (2020)
In patients without reduced LVEF or prolonged QRSd who would be eligible for LP, DDDR, and VVIR pacing demonstrated similar rates of death, stroke or HF hospitalization; however, VVIR pacing significantly increased the risk of AF development.