Description

Finegoldia magna (formerly Peptostreptococcus magna) can be part of the normal human flora. However, its presence should not be dismissed as it has been associated with a number of serious infections. In an era of cost-cutting in healthcare its presence may be missed if suitable cultures are not performed.


 

Microbiology: anaerobic Gram-positive coccus

 

Sites where it can be cultured as part of the normal flora:

(1) gastrointestinal tract

(2) genitourinary tract

(3) skin

(4) oral cavity

 

Infections from which it has been isolated:

(1) septic arthritis

(2) infected prosthetic joint

(3) bacterial endocarditis

(4) septicemia

(5) mediastinitis

(6) necrotizing pneumonia with or without empyema

(7) chorioamnionitis

(8) meningitis

(9) peritonitis

(10) soft tissue infections

(11) pericarditis

(12) osteomyelitis

 

Additional associations may include:

(1) postoperative infection despite preoperative prophylaxis with cefamandole or other antibiotic with low activity against it

(2) toxic shock syndrome

(3) post-traumatic infections

 

It is important:

(1) not to dismiss the organism as a contaminant and

(2) to perform anaerobic cultures.

 


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