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Cardiology. 2013;126(1):15-23. doi: 10.1159/000351438. Epub 2013 Jul 5.

Early and late mortality in patients undergoing transcatheter aortic valve implantation: comparison of the novel EuroScore II with established risk scores.

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1
Department of Cardiology, University Heart Center, University Hospital Zurich, Zurich, Switzerland.

Abstract

OBJECTIVES:

In the evaluation of patients considered for transcatheter aortic valve implantation (TAVI), the EuroScore II might be superior to established risk scores.

METHODS:

We assessed the performance of the EuroScore II in predicting mortality in a cohort of 350 TAVI patients.

RESULTS:

The EuroScore II and the logistic EuroScore were higher in nonsurvivors compared to survivors at 30 days (12.6 ± 1.8 vs. 7.5 ± 0.3%, p < 0.001 for EuroScore II, and 27.7 ± 2.8 vs. 22.1 ± 0.8%, p = 0.04 for logistic EuroScore), while the STS-PROM score did not differ (7.3 ± 0.8 vs. 6.4 ± 0.3%, p = 0.09). The area under the curve (AUC) was 0.70 for the EuroScore II, 0.61 for the logistic EuroScore and 0.59 for the STS-PROM score for predicting 30-day mortality. Based on the estimated 30-day mortality risk, 3 risk groups were identified, a low-risk (EuroScore II ≤4%, 30-day mortality 1.2%), an intermediate-risk (EuroScore II between 4% and 9%, 30-day mortality 8.6%) and a high-risk group (EuroScore II >9%, 30-day mortality, 17.1%; p = 0.03). Regarding cumulative mortality, the AUC was 0.67 for the EuroScore II, 0.62 for the logistic EuroScore and 0.55 for the STS-PROM score for predicting mortality at total follow-up.

CONCLUSIONS:

In this patient cohort, the EuroScore II performed best in predicting short- and long-term mortality.

PMID:
23912448
DOI:
10.1159/000351438
[Indexed for MEDLINE]
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