期刊
INFECTIOUS DISEASES
卷 47, 期 6, 页码 379-384出版社
TAYLOR & FRANCIS LTD
DOI: 10.3109/00365548.2014.995696
关键词
Bacteremia; infective endocarditis; MRSA; salvage therapy; telavancin
Background: Methicillin-resistant Staphylococcus aureus (MRSA) bacteremia and infective endocarditis (IE) have become increasingly difficult to treat over the past decade, with suboptimal response rates of less than 50%. Although vancomycin and daptomycin are standard therapeutic options, treatment failures with either or both agents are common. Telavancin is a lipoglycopeptide antibiotic with activity against MRSA. In vitro, telavancin displays bactericidal activity and has lower minimum inhibitory concentrations to MRSA than vancomycin. Methods: We present a retrospective, case-series report of 14 patients treated with telavancin for refractory MRSA bacteremia with and without IE at our institution from 9 September 2010 to 2 April 2012. Results: Of the 14 patients who received telavancin for refractory MRSA bacteremia and IE, eight survived their inpatient admission and were able to be followed for 30 days. The overall survival rate was 57% (n = 8). Of the eight surviving patients, five were diagnosed with MRSA IE and the remaining three were diagnosed with complicated MRSA bacteremia. All six patients who did not survive the inpatient admission were diagnosed with left-sided IE involving the mitral valves. Conclusions: This retrospective case series provides clinical evidence for the use of telavancin as a treatment option for refractory MRSA bacteremia and IE. With limited effective agents in the treatment of MRSA-complicated bacteremia and IE, telavancin represents a potential treatment option. Further randomized, controlled trials are necessary to define the optimal role of telavancin in the treatment of MRSA bacteremia and IE.
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