Is Rifampin Use Associated With Better Outcome in Staphylococcal Prosthetic Valve Endocarditis? A Multicenter Retrospective Study - Archive ouverte HAL Access content directly
Journal Articles Clinical Infectious Diseases Year : 2021

Is Rifampin Use Associated With Better Outcome in Staphylococcal Prosthetic Valve Endocarditis? A Multicenter Retrospective Study

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Pierre Tattevin

Abstract

Background: International guidelines recommend rifampin-based combinations for staphylococcal prosthetic valve endocarditis (PVE). However, no robust clinical data supports this recommendation, and rifampin tolerability is an issue. We aimed to evaluate the impact of rifampin for the treatment of staphylococcal PVE.Methods: An observational retrospective cohort study of all adults with staphylococcal PVE (modified Duke criteria) was conducted in three referral centers for endocarditis, during years 2000-2018. Primary outcome measurement was one-year mortality.Results: We enrolled 180 patients with PVE due to Staphylococcus aureus (n=114, 63.3%), or coagulase-negative staphylococci (n=66, 36.7%), on bioprosthesis (n=111, 61.7%), mechanical valve (n=67, 37.2%), or both (n=2). There were 132 males (73.3%), and mean age was 70.4±12.4 years. Valvular surgery was performed in 51/180 (28.3%) cases. Despite all isolates were susceptible to rifampin, only 101 (56.1%) were treated with rifampin, for a median duration of 33.0 days, while 79 (43.9%) received no rifampin. Baseline characteristics were similar in both groups. One-year mortality was, respectively, 37.6% (38/101), and 31.6% (25/79), in patients treated with, or without, rifampin (P=0.62). Relapse rates were 5.9% (6/101), and 8.9% (7/79), P=0.65. Patients treated with rifampin had longer hospital length-of-stay: 42.3±18.6 vs. 31.3±14.0 days (P<0.0001). On multivariate analysis, only cerebral emboli (OR 2.95, CI95% 1.30-6.70, P=0.009), definite endocarditis (OR 7.15, 1.47-34.77, P=0.018), and methicillin-resistant S. aureus (OR 6.04, 1.34-27.26, P=0.019), were associated with one-year mortality.Conclusions: A large proportion (43.9%) of staphylococcal PVE received no rifampin. One-year survival and relapse rates were similar in patients treated with or without rifampin.
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hal-02961182 , version 1 (19-10-2020)

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Audrey Le Bot, Raphaël Lecomte, Pierre Gazeau, François Benezit, Cédric Arvieux, et al.. Is Rifampin Use Associated With Better Outcome in Staphylococcal Prosthetic Valve Endocarditis? A Multicenter Retrospective Study. Clinical Infectious Diseases, 2021, 72 (9), pp.e249-e255. ⟨10.1093/cid/ciaa1040⟩. ⟨hal-02961182⟩
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