The effects of VARC-defined acute kidney injury after transcatheter aortic valve implantation (TAVI) using the Edwards bioprosthesis.
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| Abstract | AIMS: The aim of this study was to identify the incidence and risk factors for acute kidney injury (AKI) after TAVI, a potentially serious complication of transcatheter aortic valve implantation (TAVI) that has been redefined by the Valve Academic Research Consortium (VARC). METHODS AND RESULTS: We performed a retrospective analysis of 248 patients undergoing TAVI. AKI was defined as a VARC-modified Risk, Injury, Failure, Loss, and End-stage (RIFLE) kidney disease score ≥ 2. Eighty-nine patients suffered AKI (35.9%) and demonstrated increased mortality at 30 days (13.5% vs. 3.8%) and one year (31.5% vs. 15.0%) (p<0.001). Multivariate regression analysis identified diabetes mellitus (p<0.001), peripheral vascular disease (p=0.007), chronic kidney disease stage (p=0.010) as independently associated risk factors for AKI. CONCLUSIONS: More than one third of patients sustain AKI after TAVI using the Edwards bioprosthesis, as defined by the VARC-modified RIFLE score. AKI increased the mortality at both 30 days and at one year. A history of diabetes mellitus, peripheral vascular disease and higher chronic kidney disease stage had the strongest independent associations with post-TAVI AKI.
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| Authors | Muhammed Zeeshan Khawaja, Martyn Thomas, Abhishek Joshi, Kaleab N Asrress, Karen Wilson, Kirsty Bolter, Christopher P Young, Jane Hancock, Vinayak Bapat, Simon Redwood |
| Journal | EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology (EuroIntervention) Vol. 8 Issue 5 Pg. 563-70 (Sep 2012) ISSN: 1969-6213 [Electronic] France |
| PMID | 22995082 (Publication Type: Journal Article) |
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