Valvular & structural heart diseaseRandomised controlled trial

Transcatheter or Surgical Treatment of Aortic-Valve Stenosis

N Engl J MedPublished

  • Randomised controlled trial
  • non-inferiority
  • 38 sites in Germany

Authors' conclusion

Among patients with severe aortic stenosis at low or intermediate surgical risk, TAVI was noninferior to SAVR with respect to death from any cause or stroke at 1 year.

Study context

Population
Patients with severe AS at low or intermediate surgical risk
Participants
1,414 patients
Comparison
Transcatheter aortic-valve implantation (TAVI) vs surgical aortic-valve replacement (SAVR)
  • TAVIn = 701
  • SAVRn = 713reference
Primary endpoint
Composite of death from any cause or fatal or nonfatal stroke
Follow-up
1 year

Primary result

As reported in the abstract

Death from any cause or stroke (Kaplan-Meier estimate)

Hazard ratio

0.53

95% CI 0.35–0.79

P < 0.001 for non-inferiority

By group

TAVI vs SAVR
HR 0.53 (95% CI 0.35–0.79); P for non-inferiority < 0.001

Further findings

OutcomeTAVISAVRHR (95% CI)
Death from any cause2.6%6.2%0.43 (0.24–0.73)
Stroke2.9%4.7%0.61 (0.35–1.06)

Safety

Procedural complications

Original publication

Transcatheter or Surgical Treatment of Aortic-Valve Stenosis. N Engl J Med. Published 8 April 2024. doi:10.1056/nejmoa2400685

Summarised from the published abstract; every number is checked against it