Sinusitis (or Rhinosinusitis): Subacute/Chronic

Sinusitis (or Rhinosinusitis): Subacute/Chronic is a topic covered in the Johns Hopkins ABX Guide.

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  • Bacteriology of chronic sinusitis less well defined than acute sinusitis [Streptococcus pneumoniae, Haemophilus influenzae, Moraxella catarrhalis] although flares of chronic sinusitis may be cause be the usual acute pathogens just noted.
  • Polymicrobial flora typically, increased Gram negative organisms and possibly anaerobes.
  • Pseudomonas aeruginosa, Staphylococcus aureus more common in nosocomial and immunocompromised infections.
  • Controversy exists over role of fungi in chronic sinusitis. Suggestion that fungal elements may be inciting an eosinophil-mediated immune response in sinonasal mucosa.

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Last updated: March 15, 2011


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TY - ELEC T1 - Sinusitis (or Rhinosinusitis): Subacute/Chronic ID - 540505 A1 - Metson,Ralph,M.D. AU - Sindwani,Raj,M.D., F.A.C.S., F.R.C.S.C. Y1 - 2011/03/15/ BT - Johns Hopkins ABX Guide UR - PB - The Johns Hopkins University DB - Pediatrics Central DP - Unbound Medicine ER -