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

BMC Pulmonary Medicine

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

		Phenotypic classification
Date specimen taken	Specimen cultured from (Location)	Gram staining + ve or -ve	Mucoid (+ or -)	Proteolytic (+/++/+++)	Siderophore producing (+/++/+++)
11/08/06^a	Cough Swab	-	-
23/08/07^c	Cough Swab	-	-
07/08/08^c,d	Cough Swab	-	-
05/05/10^b	Cough Swab	-	-
14/12/10	Cough Swab	-	+
22/04/11^b	Cough Swab	-	-
10/04/12^b,c,d	Cough Swab	-	-
23/03/13	Cough Swab	-	+	+++	+++
06/06/13^c	Cough Swab	-	+	++	+
30/09/13	Cough Swab	-	-	+++	++
20/12/13	Cough Swab	-	+	+	+
23/01/14^e	Antral Washing	-	+	++	+++
11/09/14	Antral Washing	-	-	+	+

^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
^dHaemophilus parainfluenzae also identified in addition to P. aeruginosa. ^ePseudomonas fluorescens also identified in addition to P. aeruginosa
Where + = low, ++ = intermediate, +++ = high

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