From cat scratch disease to endocarditis, the possible natural history of Bartonella henselae infection Frederique Gouriet , Hubert Lepidi , Gilbert Habib , Frederic Collart and Didier Raoult
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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.