Heart failure & cardiomyopathies

Left ventricular electrical delay predicts volumetric response to leadless cardiac resynchronization therapy

Heart RhythmPublished Secondary analysis of the SOLVE-CRT randomised trial

Primary result · LVESV response (reduction >15%)Result — go to the resultAdjusted odds ratio 1.015

Authors' conclusion

Increased Q-LV was associated with improved reverse remodeling following leadless CRT.

Study context

Population
Patients in the active arms of SOLVE-CRT receiving leadless left ventricular (LV) endocardial cardiac resynchronization therapy (CRT) (WiSE-CRT system)of 153 with complete Q-LV data
Participants
122 patients
Comparison
LV pacing site Q-LV and left ventricular end-systolic volume (LVESV) response to leadless CRT
Primary endpoint
LVESV reduction >15%
Follow-up
6 months
Methodological detailspost hoc analysis
  • Post hoc analysis

Primary result

LVESV response (reduction >15%)

Adjusted odds ratio

1.015

P = 0.05

By group

As reported in the abstract

Overall 6-month LVESV response rate
46%

Further findings

OutcomeAdjusted ORP value
LVESV response, ischemic cardiomyopathy (subgroup) · 6 months1.034P = 0.004

Original publication

Left ventricular electrical delay predicts volumetric response to leadless cardiac resynchronization therapy. Heart Rhythm. Published 28 August 2024. doi:10.1016/j.hrthm.2024.08.050

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

Get them every week

New studies on this topic in My Week and in your Monday e-mail.

We e-mail you a sign-in link and a code. No password, no spam.