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Open Access Case report

From cat scratch disease to endocarditis, the possible natural history of Bartonella henselae infection

Frédérique Gouriet1, Hubert Lepidi1, Gilbert Habib2, Frédéric Collart3 and Didier Raoult1*

Author Affiliations

1 Unité des Rickettsies, CNRS UMR 6020, IFR 48, Faculté de Médecine, Université de la Méditerranée, 27 Boulevard Jean Moulin, 13385 Marseille cedex 05, France

2 Service de Cardiologie B, Centre Hospitalier Universitaire de La Timone, Marseille, 247, rue Saint-Pierre, Marseille 13385 Cedex 5, France

3 Service de Chirurgie Cardiaque, Centre Hospitalier Universitaire de La Timone, 247, rue Saint-Pierre, Marseille 13385 Cedex 5, France

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BMC Infectious Diseases 2007, 7:30  doi:10.1186/1471-2334-7-30

Published: 18 April 2007

Abstract

Background

Most patients with infectious endocarditis (IE) due to Bartonella henselae have a history of exposure to cats and pre-existing heart valve lesions. To date, none of the reported patients have had a history of typical cat scratch disease (CSD) which is also a manifestation of infection with B. henselae.

Case presentation

Here we report the case of a patient who had CSD and six months later developed IE of the mitral valve caused by B. henselae.

Conclusion

Based on this unique case, we speculate that CSD represents the primary-infection of B. henselae and that IE follows in patients with heart valve lesions.