What is the role of imaging in the workup of implant-associated Cutibacterium (Propionibacterium) infections?

Updated: Dec 03, 2019
  • Author: Sajeev Handa, MBBCh, BAO, LRCSI, LRCPI; Chief Editor: John L Brusch, MD, FACP  more...
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Answer

In cardiovascular device–related infections, C acnes can be difficult to recover in cultures of clinical specimens unless anaerobic cultures are obtained and held for extended periods. CT scanning, ultrasonography, and MRI are useful in demonstrating fluid collection around a device, which can suggest infection. Percutaneous aspirate of the fluid with ultrasound or CT guidance may confirm device infection. Transesophageal echocardiography is required to visualize a vegetation in prosthetic valve endocarditis. [22]

In CNS shunt infections, neuroimaging studies may be used to look for evidence of ventriculitis or CSF obstruction. CT scanning or ultrasonography may be helpful in evaluating loculations at the distal end of a ventriculoperitoneal shunt.


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