Infective endocarditis complicated with progressive heart failure due to beta-lactamase-producing Cardiobacterium hominis

J Clin Microbiol. 2000 May;38(5):2015-7. doi: 10.1128/JCM.38.5.2015-2017.2000.

Abstract

We describe a 66-year-old woman with infective endocarditis due to Cardiobacterium hominis whose condition, complicated by severe aortic regurgitation and congestive heart failure, necessitated aortic valve replacement despite treatment with ceftriaxone followed by ciprofloxacin. The blood isolate of C. hominis produced beta-lactamase and exhibited high-level resistance to penicillin (MIC, >==256 microgram/ml) and reduced susceptibility to vancomycin (MIC, 8 microgram/ml).

Publication types

  • Case Reports

MeSH terms

  • Aged
  • Aortic Valve
  • Aortic Valve Insufficiency / complications
  • Aortic Valve Insufficiency / surgery
  • Ceftriaxone / therapeutic use
  • Ciprofloxacin / therapeutic use
  • Endocarditis, Bacterial / complications*
  • Endocarditis, Bacterial / drug therapy
  • Endocarditis, Bacterial / microbiology
  • Female
  • Gram-Negative Bacterial Infections / complications*
  • Gram-Negative Bacterial Infections / drug therapy
  • Gram-Negative Facultatively Anaerobic Rods / classification
  • Gram-Negative Facultatively Anaerobic Rods / drug effects
  • Gram-Negative Facultatively Anaerobic Rods / isolation & purification*
  • Heart Failure / complications*
  • Heart Failure / microbiology
  • Heart Failure / surgery
  • Heart Valve Prosthesis Implantation
  • Humans
  • Microbial Sensitivity Tests
  • Penicillin Resistance
  • Penicillins / pharmacology
  • Taiwan
  • Vancomycin / pharmacology
  • beta-Lactamases / analysis

Substances

  • Penicillins
  • Ciprofloxacin
  • Vancomycin
  • Ceftriaxone
  • beta-Lactamases