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Pseudomonas maltophilia Causing Heroin-Associated Infective Endocarditis

Victor L. Yu, MD; Larry W. Rumans, MD; Edward J. Wing, MD; Rima McLeod, MD; Fred N. Sattler, MD; Robert M. Harvey, MD; Stanley C. Deresinski, MD
Arch Intern Med. 1978;138(11):1667-1671. doi:10.1001/archinte.1978.03630360049022.
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The association of Pseudomonas maltophilia endocarditis in three patients with recent history of intravenous drug abuse is reported. All three patients had abnormal heart valves (two prosthetic and one rheumatic). A prominent characteristic of this uncommon pathogen is its in vitro resistance to the commonly used antimicrobials. Cure was achieved in all three cases. In two cases, synergistic antibiotic combinations were used. In one case, plasmid-mediated resistance to amikacin sulfate (Amikan, British; no comparable US product) emerged during therapy. The two patients with prosthetic valves received combined surgical and antibiotic therapy.

(Arch Intern Med 138:1667-1671, 1978)


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