Infectious Endocarditis Caused by Lactobacillus acidophilus in a Patient with Mistreated Dental Caries

Takeshi Nishijima; Katsuji Teruya; Mikio Yanase; Yuiichi Tamori; Kazuhisa Mezaki; Shinichi Oka

doi:10.2169/internalmedicine.51.7294

CASE REPORTS

Infectious Endocarditis Caused by Lactobacillus acidophilus in a Patient with Mistreated Dental Caries

Takeshi Nishijima, Katsuji Teruya, Mikio Yanase, Yuiichi Tamori, Kazuhisa Mezaki, Shinichi Oka

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Keywords: infectious endocarditis, lactobacillus species, immunocompromised, dental infection

JOURNAL OPEN ACCESS

2012 Volume 51 Issue 12 Pages 1619-1621

DOI https://doi.org/10.2169/internalmedicine.51.7294

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Abstract

We present a rare case of infectious endocarditis caused by Lactobacillus acidophilus in a patient on long-term steroid use for autoimmune hepatitis. In vitro susceptibility-guided antibiotics with benzylpenicillin plus clindamycin and successive mitral annuloplasty resulted in a favorable outcome. Infectious endocarditis was suspected to be a complication of mistreated periodontal infection. Maintenance of oral hygiene is important in immunocompromised patients.

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