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  • Title: Early and Late Results After David vs Bentall Procedure: A Propensity Matched Analysis.
    Author: Leontyev S, Schamberger L, Davierwala PM, Von Aspern K, Etz C, Lehmann S, Misfeld M, Borger MA.
    Journal: Ann Thorac Surg; 2020 Jul; 110(1):120-126. PubMed ID: 31786286.
    Abstract:
    BACKGROUND: The aim of this study was to compare the short- and long-term outcomes of patients who underwent aortic valve-sparing reimplantation (David) vs aortic root replacement (Bentall) operations in a propensity-matched analysis. METHODS: The study compared the data of propensity-matched patients who underwent David (n = 261) or Bentall (n = 262) procedures from 2000 to 2015. The mean age at surgery in the entire cohort was 53 ± 13 years, and 19.7% (n = 103) of the study patients were female. Connective tissue disease was present in 9.4% (n = 49) of patients, whereas 37.1% (n = 194) presented with a bicuspid aortic valve. RESULTS: The overall 30-day mortality was 1.1% (n = 6) and was not significantly different in patients with the David compared with the Bentall operation (0.4% [n = 1] vs 1.9% [n = 5]; P = .1). The 5- and 10-year survival rates were 93.7 ± 1.8% vs 93.8 ± 1.6% and 84.4 ± 4.7% vs 89.5 ± 3.2% for David vs Bentall, respectively (log-rank P = .98). Cox regression analysis identified age, smoking and previous cardiac surgery as independent predictors of long-term mortality. Freedom from reoperation did not significantly differ between patient groups (89.5 ± 3.4% vs 87.8 ± 4.1% 10 years postoperatively; log-rank P = .71). Bentall-treated patients had a higher rate of serious bleeding during follow-up (P = .025). CONCLUSIONS: Both the David and Bentall operations are associated with excellent early and long-term results in patients with aortic root aneurysmal disease. The David operation is associated with less bleeding than the Bentall operation, without an increased risk of reoperation. Because of avoidance of bleeding and other long-term complications associated with prosthetic heart valves, the David operation is preferable to the Bentall operation in patients with appropriate pathoanatomy.
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