Delftia acidovorans

Background

Microbiology

• Gram-negative bacillus
• Also known as Comamonas acidovorans or Pseudomonas acidovorans
• Found in soil, water and the hospital environments
• May be found in respiratory tract, eyes, and blood, but rarely clinically significant

Clinical Manifestations

• Only rarely causes infection
• Case reports of pulmonary infections , bacteremia from line infection, endocarditis; even more rarely, case reports of peritonitis, ocular infections, and urinary tract infection1

Management

• Resistant to common antibiotics
• Often treated with piperacillin-tazobactam, meropenem, ceftazidime, imipenem, aminoglycosides, and fluoroquinolones

Further Reading

• Delftia acidovorans: A rare pathogen in immunocompetent and immunocompromised patients. Can J Infect Dis Med Microbiol. 2015 Sep-Oct; 26(5): 277–279. doi: 10.1155/2015/973284