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Campylobacter laridis Causing Bacteremia in an Immunosuppressed Patient
- IRVING NACHAMKIN, Dr.P.H., M.P.H.;
- CHRISTOPHER STOWELL, M.D., Ph.D.;
- DANIELA SKALINA, B.SC.;
- ANN M. JONES, B.S.;
- R. MARTIN HOOP II, B.S.; and
- ROBERT M. SMIBERT, Ph.D.
Abstract
An unusual species, Campylobacter laridis, belonging to the group of nalidixic acid resistant thermophilic Campylobacter species, was isolated from the blood of a 71-year-old man with multiple myeloma, hyperviscosity syndrome, and renal failure. The organism was first recognized in the laboratory by gram-stain reaction and resistance to nalidixic acid. The organism differs from C. jejuni and C. coli by its resistance to nalidixic acid, whereas anaerobic growth in the presence of trimethylamine N-oxide hydrochloride differentiates this organism from other Campylobacter species. Biochemical characterization and DNA homology studies confirmed the identity of this species as being C. laridis. To our knowledge, this is the first recorded case of bacteremia due to C. laridis in humans.
Article and Author Information
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▸From the Clinical Microbiology Laboratory, Hospital of the University of Pennsylvania, and the Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania; and the Departments of Biology and Anaerobic Microbiology, Virginia Polytechnic Institute and State University, Blacksburg, Virginia.
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▸ Requests for reprints should be addressed to Irving Nachamkin, Dr. P.H., M.P.H.; Department of Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, 3400 Spruce Street/G1; Philadelphia, PA 19104.
- © 1984 American College of Physicians
