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Eur J Cardiothorac Surg. 2012 Aug;42(2):268-76; discussion 276. doi: 10.1093/ejcts/ezs014. Epub 2012 Feb 13.

Short- and mid-term safety and effectiveness of transcatheter aortic valve implantation in a failing surgical aortic bioprosthesis.

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  • 1HELIOS Heart Center, Siegburg, Germany. seahing@gmail.com

Abstract

OBJECTIVES:

The feasibility of transcatheter aortic valve implantation (TAVI) in patients with a failing surgical aortic bioprosthesis has been reported from single centres. We present results from a multi-centre feasibility study in such patients followed for 1 year after TAVI.

METHODS:

This study evaluated 18 patients undergoing implantation with the 18-Fr CoreValve TAVI prosthesis in a failing surgical aortic bioprosthesis at three centres in Germany. Subject inclusion requirements included ≥ 75 years old and either surgical risk with logistic European System for Cardiac Operative Risk Evaluation ≥ 15% or ≥ 1 high-risk co-morbidity.

RESULTS:

Implanted subjects were 79 ± 4 years old, 67% males, 78% NYHA Class III/IV, with logistic EuroSCORE 34 ± 14, and had failed surgical bioprostheses from six manufacturers. The procedure was considered technically successful in 94% (17/18) of cases. One subject was converted to surgery during the procedure. Mortality at 30 days and 1 year was 11% (2/18) and 28% (5/18), respectively. Two cardiac deaths occurred, including 1 within 30 days. Two subjects had strokes, both within 30 days. After 30 days and 1 year, respectively, 86 and 73% of subjects improved at least 1 NYHA class and the remainder had no change. No aortic regurgitation was reported beyond mild (Grade 1) at 6- and 12-month follow-up.

CONCLUSIONS:

Most patients with a failing aortic surgical bioprosthesis were successfully implanted with a TAVI prosthesis in this multi-centre feasibility study. Outcomes at 30 days were within expectations for this very high-risk subgroup and improvements were sustained through 12 months.

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PMID:
22334629
[PubMed - indexed for MEDLINE]
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