Heart failure & cardiomyopathies

Long-term outcomes in nonprogressors to cardiac resynchronization therapy

Heart RhythmPublished Retrospective cohort study

Authors' conclusion

Nonprogressors to CRT have superior medium-term outcomes but similar long-term outcomes to progressors and inferior outcomes to responders and super-responders.

Study context

Population
HF patients with Left Ventricular Ejection Fraction (LVEF) ≤35% and QRS ≥120 ms undergoing Cardiac Resynchronization Therapy (CRT) at Cleveland Clinic, Johns Hopkins Hospital and Johns Hopkins Bayview Medical Center, 2003–2014
Participants
1,058 patients
Exposure
CRT response categories by LVEF change
Outcome
Survival free of LVAD implantation and heart transplantation
Follow-up
Mean 8.7 ± 5.4 years
Methodological detailsmulticentre
  • Multicentre

Main finding

As reported in the abstract

Survival free of LVAD and heart transplant · 4 years and 8.7 ± 5.4 years
Differed significantly between response groups at 4 years and long term; super-responders best, progressors worst
P < .001

Observational data: associations, not effects.

Original publication

Long-term outcomes in nonprogressors to cardiac resynchronization therapy. Heart Rhythm. Published 7 November 2022. doi:10.1016/j.hrthm.2022.10.029

Composed by AI from the published abstract and checked against it. How Briefs are made →

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