• Am. J. Med. · Dec 2017

    Comparative Study

    Outcomes of Transcatheter and Surgical Aortic Valve Replacement in Patients on Maintenance Dialysis.

    • Fahad Alqahtani, Sami Aljohani, Khaled Boobes, Elad Maor, Assem Sherieh, Charanjit S Rihal, David R Holmes, and Mohamad Alkhouli.
    • West Virginia University Heart & Vascular Institute, Morgantown.
    • Am. J. Med. 2017 Dec 1; 130 (12): 1464.e11464.e111464.e1-1464.e11.

    BackgroundThe introduction of transcatheter aortic valve replacement (TAVR) expanded definitive therapy of aortic stenosis to many high-risk patients, but it has not been fully evaluated in the dialysis population. We aimed to evaluate the current trend and in-hospital outcome of surgical aortic valve replacement (SAVR) and TAVR in the dialysis population.MethodsSevere aortic stenosis patients on maintenance dialysis who underwent SAVR or TAVR in the Nationwide Inpatient Sample database from January 1, 2005, through December 31, 2014, were included in our comparative analysis. The trends of SAVR and TAVR were assessed. In-hospital mortality, rates of major adverse events, hospital length of stay, cost of care, and intermediate care facility utilization were compared between the 2 groups using both unadjusted and propensity-matched data.ResultsUtilization of aortic valve replacement in dialysis patients increased 3-fold; a total of 2531 dialysis patients who underwent either SAVR (n = 2264) or TAVR (n = 267) between 2005 and 2014 were identified. Propensity score matching yielded 197 matched pairs. After matching, a 2-fold increase in in-hospital mortality was found with SAVR compared with TAVR (13.7% vs 6.1%, P = .021). Patients who underwent TAVR had more permanent pacemaker implantation (13.2% vs 5.6%, P = .012) but less blood transfusion (43.7% vs 56.8%, P = .02). Rates of other key morbidities were similar. Hospital length of stay (19 ± 16 vs 11 ± 11 days, P <.001) and non-home discharges (44.7% vs 31.5%, P = .002) were significantly higher with SAVR. Cost of hospitalization was 25% less with TAVR.ConclusionIn patients on maintenance dialysis, TAVR is associated with lower hospital mortality, resource utilization, and cost in comparison with SAVR.Copyright © 2017 Elsevier Inc. All rights reserved.

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