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Table 1 Phenotypic profile of Pseudomonas aeruginosa isolates from a paediatric patient over n 8 year period

From: A case of failed eradication of cystic fibrosis-related sinus colonisation by Pseudomonas aeruginosa

   Phenotypic classification
Date specimen taken Specimen cultured from (Location) Gram staining + ve or -ve Mucoid (+ or -) Proteolytic (+/++/+++) Siderophore producing (+/++/+++)
11/08/06a Cough Swab - -   
23/08/07c Cough Swab - -   
07/08/08c,d Cough Swab - -   
05/05/10b Cough Swab - -   
14/12/10 Cough Swab - +   
22/04/11b Cough Swab - -   
10/04/12b,c,d Cough Swab - -   
23/03/13 Cough Swab - + +++ +++
06/06/13c Cough Swab - + ++ +
30/09/13 Cough Swab - - +++ ++
20/12/13 Cough Swab - + + +
23/01/14e Antral Washing - + ++ +++
11/09/14 Antral Washing - - + +
  1. aFirst identification of Pseudomonas aeruginosa. bP. aeruginosa growth described as “scanty” by University Hospital Limerick microbiology laboratory. cStaphylococcus aureus also identified in addition to P. aeruginosa
  2. dHaemophilus parainfluenzae also identified in addition to P. aeruginosa. ePseudomonas fluorescens also identified in addition to P. aeruginosa
  3. Where + = low, ++ = intermediate, +++ = high