Native Valve Endocarditis Due to Mycobacterium fortuitum biovar fortuitum: Case Report and Review

Abstract
Rapidly growing mycobacteria such as Mycobacterium fortuitum and Mycobacterium chelonae are well-known causes of skin and soft tissue infections. Endocarditis caused by these organisms is rare and usually involves prosthetic valve infections with M. chelonae. We describe an HIV-infected injection drug user who developed native valve endocarditis due to M, fortuitum biovar fortuitum and review the literature on all published cases of M fortuitum endocarditis. To our knowledge, this is the first case of native-valve endocarditis caused by M. fortuitum biovar fortuitum.