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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


Sindwani, Raj, and Ralph Metson. "Sinusitis (or Rhinosinusitis): Subacute/Chronic." Johns Hopkins ABX Guide, The Johns Hopkins University, 2011. Pediatrics Central, peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540505/5/Sinusitis__or_Rhinosinusitis_:_Subacute_Chronic.
Sindwani R, Metson R. Sinusitis (or Rhinosinusitis): Subacute/Chronic. Johns Hopkins ABX Guide. The Johns Hopkins University; 2011. https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540505/5/Sinusitis__or_Rhinosinusitis_:_Subacute_Chronic. Accessed June 17, 2019.
Sindwani, R., & Metson, R. (2011). Sinusitis (or Rhinosinusitis): Subacute/Chronic. In Johns Hopkins ABX Guide. Available from https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540505/5/Sinusitis__or_Rhinosinusitis_:_Subacute_Chronic
Sindwani R, Metson R. Sinusitis (or Rhinosinusitis): Subacute/Chronic [Internet]. In: Johns Hopkins ABX Guide. The Johns Hopkins University; 2011. [cited 2019 June 17]. Available from: https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540505/5/Sinusitis__or_Rhinosinusitis_:_Subacute_Chronic.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Sinusitis (or Rhinosinusitis): Subacute/Chronic ID - 540505 A1 - Sindwani,Raj,M.D., F.A.C.S., F.R.C.S.C. AU - Metson,Ralph,M.D. Y1 - 2011/03/15/ BT - Johns Hopkins ABX Guide UR - https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540505/5/Sinusitis__or_Rhinosinusitis_:_Subacute_Chronic PB - The Johns Hopkins University DB - Pediatrics Central DP - Unbound Medicine ER -