137 Hydrogen cyanide concentrations in the breath of adult cystic fibrosis patients with and without Pseudomonas aeruginosa infection

135 The use of rep-PCR (Diversilab®, bioMerieux) in combination with multiplex PCR (targeting virulence genes) reveals the transmission of Pseudomonas aeruginosa isolates among cystic fibrosis patients in a hospital background J. Dingemans1, M. Craggs1, F. Bilocq2, J. Willekens3, H. Eyns4, A. Crabbe5, D. De Vos2, J.-P. Pirnay2, A. Malfroot3, P. Cornelis6. 1Vrije Universiteit Brussel, Department of Bioengineering Sciences, Research Group Microbiology, Brussels, Belgium; 2Burn Centre, Queen Astrid Military Hospital, Laboratory for Molecular and Cellular Technology, Brussels, Belgium; 3Universitair Ziekenhuis Brussel, Cystic Fibrosis Clinic, Brussels, Belgium; 4Universitair Ziekenhuis Brussel, Department of Pediatrics, Brussels, Belgium; 5Arizona State University, Center for Infectious Diseases and Vaccinology, Arizona, United States; 6Vrije Universiteit Brussel, MICR, Brussels, Belgium