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Article Dans Une Revue American Journal of Cardiology Année : 2018

Relation Between Renin-Angiotensin System Blockers and Survival Following Isolated Aortic Valve Replacement for Aortic Stenosis

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Résumé

Renin-angiotensin system blockers (RASb) improve cardiac remodeling, but their clinical utility after surgical aortic valve replacement (SAVR) for aortic stenosis (AS) is unclear. We aimed to assess the impact of RASb on short- and long-term survival following isolated SAVR for severe AS. From January 2005 to January 2014, 508 consecutive patients had isolated SAVR for severe AS. Patients with RASb (n = 286; 53%) were more often female (p = 0.039), hypertensive (p < 0.0001), and diabetic (p = 0.004), with higher body mass index (p < 0.0001) and EuroSCORE II (p = 0.025), and lower mean aortic pressure gradient (p = 0.011). The 30-day mortality was similar in both groups (RASb: 3% vs no RASb: 5.8%, p = 0.13), but lower under angiotensin receptor blockers (ARB) than angiotensin-converting enzyme inhibitors (ACEi; 0.7% vs 5.6%, p = 0.017). Patients under RASb had a better 8-year survival than those without RASb (83 ± 3% vs 52 ± 5%, p < 0.0001), confirmed in a propensity score-matched pairs analysis (82 ± 4% vs 50 ± 7%, p < 0.0001). Regarding different types of RASb, patients under ARB had lower mortality than those under ACEi (87 ± 3% vs 79 ± 4%, p = 0.028). In multivariate analysis, the use of RASb was associated with improved survival (hazard ratio = 0.31, 95% confidence interval 0.20 to 0.47, p < 0.0001), with lower mortality under ARB than under ACEi (hazard ratio = 0.39, 95% confidence interval 0.18 to 0.85, p = 0.018). In this observational study, the use of RASb was associated with improved long-term outcome after isolated SAVR for severe AS. A randomized clinical trial is mandatory.
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Dates et versions

hal-02039197 , version 1 (20-02-2019)

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  • HAL Id : hal-02039197 , version 1

Citer

Julien Magne, Barthélémy Guinot, Alexandre Le Guyader, Emmanuelle Bégot, Jean-Philippe Marsaud, et al.. Relation Between Renin-Angiotensin System Blockers and Survival Following Isolated Aortic Valve Replacement for Aortic Stenosis. American Journal of Cardiology, 2018, 121 (4), pp.455-460. ⟨hal-02039197⟩
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