Long-term outcomes of aortic valve replacement in dialysis patients - a nationwide retrospective cohort study.

Autor:	Fu HY; Department of Cardiovascular Surgery, National Taiwan University Hospital Hsinchu Branch, Hsinchu., Wang TC; Health Data Research Center, National Taiwan University., Wang CH; Department of Cardiovascular Surgery, National Taiwan University Hospital, Taipei, Taiwan., Chou NK; Department of Cardiovascular Surgery, National Taiwan University Hospital, Taipei, Taiwan., Wu IH; Department of Cardiovascular Surgery, National Taiwan University Hospital, Taipei, Taiwan., Hsu RB; Department of Cardiovascular Surgery, National Taiwan University Hospital, Taipei, Taiwan., Huang SC; Department of Cardiovascular Surgery, National Taiwan University Hospital, Taipei, Taiwan., Yu HY; Department of Cardiovascular Surgery, National Taiwan University Hospital, Taipei, Taiwan., Chen YS; Department of Cardiovascular Surgery, National Taiwan University Hospital, Taipei, Taiwan., Chi NH; Department of Cardiovascular Surgery, National Taiwan University Hospital, Taipei, Taiwan.
Jazyk:	angličtina
Zdroj:	International journal of surgery (London, England) [Int J Surg] 2023 Nov 01; Vol. 109 (11), pp. 3430-3440. Date of Electronic Publication: 2023 Nov 01.
DOI:	10.1097/JS9.0000000000000611
Abstrakt:	Background: Improved durability of modern biologic prostheses and growing experience with the transcatheter valve-in-valve technique have contributed to a substantial increase in the use of bioprostheses in younger patients. However, discussion of prosthetic valve selection in dialysis patients remains scarce as the guidelines are updated. This study aims to compare long-term outcomes between propensity score-matched cohorts of dialysis patients who underwent primary aortic valve replacement with a mechanical prosthesis or a bioprosthesis. Materials and Methods: Longitudinal data of dialysis patients who underwent primary aortic valve replacement between 1 January 2001 and 31 December 2018, were retrieved from the National Health Insurance Research Database. Results: A total of 891 eligible patients were identified, of whom 243 ideally matched pairs of patients were analyzed. There was no significant difference in all-cause mortality (hazard ratio 1.11, 95% CI: 0.88-1.40) or the incidence of major adverse prosthesis-related events between the two groups (hazard ratio 1.03, 95% CI: 0.84-1.25). In patients younger than 50 years of age, using a mechanical prosthesis was associated with a significantly longer survival time across 10 years of follow-up than using a bioprosthesis (restricted mean survival time) at 10 years: 7.24 (95% CI: 6.33-8.14) years for mechanical prosthesis versus 5.25 (95% CI: 4.25-6.25) years for bioprosthesis, restricted mean survival time difference 1.99 years, 95% CI: -3.34 to -0.64). Conclusion: A 2-year survival gain in favor of mechanical prostheses was identified in dialysis patients younger than 50 years. The authors suggest mechanical prostheses for aortic valve replacement in these younger patients. (Copyright © 2023 The Author(s). Published by Wolters Kluwer Health, Inc.)
Databáze:	MEDLINE
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