Proteus mirabilis: An Unlikely Device-related Infection

Mark A Colantonio1, Michelle Hartzell1, Brooke Shannon1

  • 1Department of Medicine, West Virginia University, House Staff 4Floor HSC-N Morgantown, PO Box 9168, Morgantown, WV, USA.

Insights

Pacemaker infections pose significant risks, with Gram-positive bacteria being most common. This case highlights a rare instance of pacemaker site infection caused by the Gram-negative bacterium Proteus mirabilis.

Area of Science:

  • Infectious Diseases
  • Cardiology
  • Medical Microbiology

Background:

  • Implantable cardiac devices carry a 5-15% risk of infection.
  • Gram-positive organisms cause the majority (91%) of device infections.
  • Gram-negative organisms are infrequent causes (2%), typically excluding Pseudomonas aeruginosa.