What causes nongonococcal infectious tenosynovitis?

Updated: Aug 27, 2018
  • Author: Mark R Foster, MD, PhD, FACS; Chief Editor: Harris Gellman, MD  more...
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Predisposing factors include diabetes mellitus, intravenous (IV) drug abuse, debility, and arteriosclerosis obliterans.

The primary inciting event of infectious FT usually is penetrating trauma, such as a bite wound. [11, 12] Hematogenous spread may occur. Infecting organisms include the following:

  • Staphylococcus aureus and Streptococcus species - The most common etiologic agents, but infection is frequently mixed (aerobic and anaerobic) [13]
  • Pasteurella multocida - High index of suspicion if the infection develops within 24 hours after a cat bite
  • Eikenella corrodens - Higher incidence with human bite wounds ( Staphylococcus and Streptococcus species still most common cause)
  • Anaerobes - Bacteroides and Fusobacterium species most common
  • Haemophilus species
  • Capnocytophaga canimorsus - Can infrequently be isolated after dog bites
  • Miscellaneous gram-negative organisms
  • Mycobacterium tuberculosis
  • Other Mycobacterium species
  • Clostridium difficile - Case reported following antibiotic treatment for ear infection in a child [14]
  • Pseudomonas aeruginosa
  • Listeria monocytogenes
  • Vibrio vulnificus - Stings from marine life

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