Valvular & structural heart disease

Valve Underexpansion and Clinical Outcomes With ACURATE neo2: Findings From the ACURATE IDE Trial

J Am Coll CardiolPublished Post hoc analysis of the ACURATE IDE randomised controlled trial

Primary result · Death, stroke, or rehospitalizationResult — go to the resultHazard ratio 1.92 95% CI 1.27–2.91

Authors' conclusion

Underexpansion of the ACURATE neo2 valve in the ACURATE IDE study was associated with a higher risk of the composite endpoint of death, stroke, or rehospitalization.

Study context

Population
Patients implanted with ACURATE neo2 in the ACURATE IDE trial's main randomised cohort with evaluable procedural angiogramsmain randomised cohort n = 752
Participants
624 patients
Comparison
Underexpanded vs expanded ACURATE neo2 valves
  • Underexpandedn = 135
Primary endpoint
Death, stroke, or rehospitalization
Follow-up
1 year
Methodological detailsexploratory analysis, independent core laboratory
  • Exploratory analysis
  • Independent core laboratory

Primary result

As reported in the abstract

Hazard ratio

1.92

95% CI 1.27–2.91

P = 0.002

By group

Underexpandedvs Expanded
HR 1.92 (95% CI 1.27–2.91); P = 0.002

Further findings

Predictor of underexpansion: greater baseline leaflet and annulus calcification

OR (95% CI)P value
Greater calcificationIndependently associated1.92 (1.27–2.91)P = 0.002

Postdilation

P = 0.72

OutcomeUnderexpandedExpanded
Prevalence of underexpansion21.6%— not stated in the abstract

— not stated in the abstract

Postdilation

Predilation 100% in both groups; balloon sizing did not differ

Original publication

Valve Underexpansion and Clinical Outcomes With ACURATE neo2: Findings From the ACURATE IDE Trial. J Am Coll Cardiol. Published 21 May 2025. doi:10.1016/j.jacc.2025.05.011

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.