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Published online May 1, 2008
PEDIATRICS Vol. 121 No. 5 May 2008, pp. e1178-e1183 (doi:10.1542/peds.2007-1874)
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ARTICLE

Diagnostic and Therapeutic Challenges of Childhood Brucellosis in a Nonendemic Country

Mark W. Shen, MD

Department of Pediatrics, University of Texas Medical Branch, Austin, Texas

OBJECTIVE. We sought to define the current epidemiology, clinical manifestations, and course of childhood brucellosis in the United States.

METHODS. A retrospective chart review was performed of 20 patients who received a diagnosis of brucellosis over a period of 13 years at a large, tertiary care children's hospital in Dallas, Texas. Diagnostic criteria, epidemiology, clinical presentations, and outcomes were recorded.

RESULTS. Ninety-five percent of the patients had a recent history of either travel to Mexico or ingestion of unpasteurized milk products from Mexico. Fever was an initial complaint in 80% of the patients, and 50% of the patients presented with arthritis. Diagnosis was made via the identification of Brucella melitensis in the blood cultures of 18 patients. Five patients experienced relapse, and 3 experienced treatment failure.

CONCLUSIONS. Childhood brucellosis in the United States is now an imported disease, primarily from Mexico. In the context of this epidemiologic link, the diagnosis should be entertained for a patient who presents with signs of systemic inflammation and arthritis. Therapeutic challenges remain.

Key Words: brucellosis • child • United States • Mexico • epidemiology • zoonoses

Abbreviations: ICD-9-CM—International Classification of Diseases, Ninth Revision, Clinical Modification • SAT—serum agglutination test • TMP-SMX—trimethoprim-sulfamethoxazole

Accepted Oct 8, 2007.


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