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- W1837994488 abstract "There is accumulating evidence that up to 20% of the implanted devices after TAVI are associated with a significant degree of paravalvular leaks, which appear to be associated with a negative clinical outcome.A total of 355 patients with severe aortic valvular stenosis (AVS) were treated by TAVI (Corevalve n = 222, Edwards Sapien n = 133). Survival, NT-proBNP and the grade of PVL were quantified up to 12 months after implantation.Technical success rate was 97.8%. Thirty-day mortality was 9.6%. Post-procedural transvalvular aortic regurgitation was seen only in a minority of cases (5%), whereas PVL were frequently observed (grade: <1+ in 58.2%, ≥1-<2 in 33.9%, and ≥2 in 7.9%). There was a clear relation-ship between PVL and adverse outcome (P < 0.001). After a transient increase, NT-proBNP showed a significant decline. Interestingly, a PVL ≥2+ was associated with a much higher rise in NT-proBNP compared to the other groups (P < 0.01), and a post-procedural increase in NT-proBNP by more than 1640 ng L(-1) within 5 days was associated with a significant increase in rate of death (P < 0.01).TAVI is an efficient treatment option for high-risk patients with severe AVS. The incidence of PVL is an inacceptable clinical problem. Serial measurement of NT-proBNP can be used for risk-stratification in patients with a significant PVL. In general, PVL graded ≥2+ is associated with a dramatically increased 6-month mortality. Therefore, any action to reduce paraprosthetical regurgitation is highly recommended." @default.
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- W1837994488 date "2013-12-31" @default.
- W1837994488 modified "2023-10-07" @default.
- W1837994488 title "Clinical impact of paravalvular leaks on biomarkers and survival after transcatheter aortic valve implantation" @default.
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- W1837994488 doi "https://doi.org/10.1002/ccd.25295" @default.
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