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December 1986

Streptococcus mitis Endocarditis: Report of 17 Cases

Author Affiliations

From the Division of Cardiology, Lenox Hill Hospital, New York (Dr Rapeport); the Division of Infectious Diseases (Dr Girón) and the Department of Medicine (Dr Rosner), Queens Hospital Center Affiliation of the Long Island Jewish Medical Center, Jamaica, NY; and the School of Medicine, Health Sciences Center, State University of New York at Stony Brook (Drs Girón and Rosner).

Arch Intern Med. 1986;146(12):2361-2363. doi:10.1001/archinte.1986.00360240083014

• Seventeen patients with Streptococcus mitis endocarditis were treated at a municipal hospital over a three-year period. Thirteen patients were intravenous drug addicts. Streptococcus mitis has a predilection for right-sided endocarditis in intravenous drug addicts and left-sided endocarditis in non-drug addicts. Streptococcus mitis is highly susceptible to therapy with penicillin G potassium (minimal inhibitory concentration less than or equal to 0.1 mg/L of penicillin in all of these 17 cases), and four to six weeks of therapy is safe and effective.

(Arch Intern Med 1986;146:2361-2363)

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