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Del Trigo, Maria, MD; Muñoz-Garcia, Antonio J., MD; Wijeysundera, Harindra C., MD; Nombela-Franco, Luis, MD; Cheema, Asim N., MD; Gutierrez, Enrique, MD; Serra, Vicenç, MD; Kefer, Joelle, MD, PhD; Amat-Santos, Ignacio J., MD; Benitez, Luis M., MD; Mewa, Jumana, MD; Jiménez-Quevedo, Pilar, MD, PhD; Alnasser, Sami, MD; Garcia del Blanco, Bruno, MD; Dager, Antonio, MD; Abdul-Jawad Altisent, Omar, MD; Puri, Rishi, MBBS, PhD; Campelo-Parada, Francisco, MD; Dahou, Abdellaziz, MD; Paradis, Jean-Michel, MD; Dumont, Eric, MD; Pibarot, Philippe, DVM, PhD; Rodés-Cabau, Josep, MD
Journal of the American College of Cardiology, 02/2016, Letnik: 67, Številka: 6Journal Article
Abstract Background Scarce data exist on the incidence of and factors associated with valve hemodynamic deterioration (VHD) after transcatheter aortic valve replacement (TAVR). Objectives This study sought to determine the incidence, timing, and predictors of VHD in a large cohort of patients undergoing TAVR. Methods This multicenter registry included 1,521 patients (48% male; 80 ± 7 years of age) who underwent TAVR. Mean echocardiographic follow-up was 20 ± 13 months (minimum: 6 months). Echocardiographic examinations were performed at discharge, at 6 to 12 months, and yearly thereafter. Annualized changes in mean gradient (mm Hg/year) were calculated by dividing the difference between the mean gradient at last follow-up and the gradient at discharge by the time between examinations. VHD was defined as a ≥10 mm Hg increase in transprosthetic mean gradient during follow-up compared with discharge assessment. Results The overall mean annualized rate of transprosthetic gradient progression during follow-up was 0.30 ± 4.99 mm Hg/year. A total of 68 patients met criteria of VHD (incidence: 4.5% during follow-up). The absence of anticoagulation therapy at hospital discharge (p = 0.002), a valve-in-valve (TAVR in a surgical valve) procedure (p = 0.032), the use of a 23-mm valve (p = 0.016), and a greater body mass index (p = 0.001) were independent predictors of VHD. Conclusions There was a mild but significant increase in transvalvular gradients over time after TAVR. The lack of anticoagulation therapy, a valve-in-valve procedure, a greater body mass index, and the use of a 23-mm transcatheter valve were associated with higher rates of VHD post-TAVR. Further prospective studies are required to determine whether a specific antithrombotic therapy post-TAVR may reduce the risk of VHD.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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