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Multicenter Study
. 2020 Dec;7(2):e001467.
doi: 10.1136/openhrt-2020-001467.

Patients' characteristics and mortality in urgent/emergent/salvage transcatheter aortic valve replacement: insight from the OCEAN-TAVI registry

Yusuke Enta  1 , Masaki Miyasaka  2 , Masataka Taguri  2   3 , Norio Tada  2 , Masaki Hata  2 , Yusuke Watanabe  4 , Toru Naganuma  5 , Masahiro Yamawaki  6 , Futoshi Yamanaka  7 , Shinichi Shirai  8 , Hiroshi Ueno  9 , Kazuki Mizutani  10 , Minoru Tabata  11 , Kensuke Takagi  12 , Masanori Yamamoto  13   14 , Kentaro Hayashida  15 ; OCEAN-TAVI investigators
Affiliations
Multicenter Study

Patients' characteristics and mortality in urgent/emergent/salvage transcatheter aortic valve replacement: insight from the OCEAN-TAVI registry

Yusuke Enta et al. Open Heart. 2020 Dec.

Abstract

Objectives: Patients' backgrounds and clinical outcomes in urgent/emergent/salvage transcatheter aortic valve replacement (Em-TAVR) remain unclear. We investigated patient characteristics and the mortality in Em-TAVR and the predictors for the need for Em-TAVR.

Methods: We consecutively enrolled 1613 patients undergoing TAVR for severe aortic stenosis between October 2013 and July 2016 from the Optimised transCathEter vAlvular interventioN (OCEAN)-transcatheter aortic valve implantation (TAVI) registry. The urgency was based on the European System for Cardiac Operative Risk Evaluation II. Urgent, emergent or salvage were included with the Em-TAVR group and elective with the El-TAVR group.

Results: Em-TAVR was observed in 87 (5.4%) patients. A higher Clinical Frailty Scale (CFS), peripheral artery disease (PAD), hypoalbuminaemia, reduced left ventricular ejection fraction (LVEF) and preoperative at least moderate mitral regurgitation (MR) predicted the need for the Em-TAVR by the multivariate logistic regression analysis. The Em-TAVR group had the higher Society of Thoracic Surgeons Score (13.7 (IQR 8.2-21.0) vs 6.5 (IQR 4.6-9.2); p<0.001) and higher 30-day mortality (9.2% vs 1.3%; p<0.001) than the El-TAVR group. Accordingly, Kaplan-Meier analysis showed that the cumulative mortality was higher in the Em-TAVR group than that in the El-TAVR group (log-rank; p<0.001). However, Em-TAVR did not predict mortality in the multivariate Cox regression analysis.

Conclusions: Em-TAVR was performed in 5.4% of patients. Higher CFS, PAD, hypoalbuminaemia, reduced LVEF and preprocedural MR predicted the need for Em-TAVR. Em-TAVR was not a predictor for mortality in the multivariate analysis, suggesting that it is a reasonable treatment option.

Keywords: aortic valve stenosis; heart valve prosthesis implantation; transcatheter aortic valve replacement.

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Conflict of interest statement

Competing interests: NT, MY, TN, SS, KM, HU, YW, and MT are clinical proctors for Edwards Lifesciences and Medtronic. KT and KH are clinical proctors of Edwards Lifesciences.

Figures

Figure 1
Figure 1
Cumulative survival curves according to urgency of transcatheter aortic valve replacement (TAVR). El-TAVR=elective TAVR; Em-TAVR=urgent/emergent/salvage TAVR.
Figure 2
Figure 2
Cumulative survival curves according to urgency of transcatheter aortic valve replacement (TAVR). El-TAVR=elective TAVR.
See this image and copyright information in PMC

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