Table. Cultured Isolates Obtained From Endoscopically Directed Swabs of Chronically Draining Sinuses (n = 23)
IsolateNumber of CasesFrequency, %
Pseudomonas aeruginosa626.1
Staphylococcus aureus, methicillin-resistant521.7
Escherichia coli28.7
Enterobacter cloacae28.7
Prevotella sp.28.7
Staphylococcus aureus, methicillin-sensitive14.3
Klebsiella pneumoniae14.3
Serratia marcescens14.3
Citrobacter sp.14.3
Propionibacterium sp.14.3
Fusarium sp.14.3
No growth626.1
  • Note: Percentages total greater than 100% because of polymicrobial growth in 6 cases.