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Article
September 1987

Infections Caused by Pseudomonas maltophilia: Expanding Clinical Spectrum

Arch Intern Med. 1987;147(9):1672-1674. doi:10.1001/archinte.1987.00370090148025
Abstract

Pseudomonas maltophilia (Xanthomonas maltophilia) is a frequently isolated commensal that is gaining increasing recognition as an opportunistic pathogen in debilitated hosts. We report three unusual infections due to P maltophilia that illustrate the ability of the organism to cause life-threatening illness. We describe a case of postoperative meningitis, a case of recurrent bacteremia complicated by ecthyma gangrenosum, and a case of native valve endocarditis in a drug addict. Because of frequent isolation from noninfected sites, the pathogenic potential of P maltophilia may be overlooked. The notable resistance of this organism is commonly used βlactam and aminoglycoside antibiotics may complicate therapy.

(Arch Intern Med 1987;147:1672-1674)

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