Cleaning and infection control of airway clearance devices used by CF patients

Chronic Respiratory Disease
Eynav ManorLea Bentur

Abstract

Respiratory treatment for cystic fibrosis (CF) patients includes use of respiratory devices. Contamination of airway clearance devices has not been adequately explored. We aimed to determine whether airway clearance devices are contaminated after use and whether cleaning guidelines for nebulizers are as effective for airway clearance devices. Patients brought their airway clearance devices to the clinic. Swabs from the devices were taken before and after cleaning and were cultured for bacterial counts. Total colony-forming units (CFU) was determined, and predominant colonies were identified using Matrix-Assisted Laser Desorption Ionization Time-of-Flight Mass Spectrometry technology. Thirty devices were collected from 23 patients. Most of the devices (28/30) were contaminated when brought to the clinic. Complete bacterial eradication was achieved in 15 (50%) samples and partial eradication in 9 (30%). The cleaning was totally ineffective in four samples. Median CFU decreased significantly from 1250 (IQR 25-75% 175-10.000) to 0 (IQR 25-75% 0-700) before and after cleaning ( p < 0.0001). The predominant organisms were identified in five samples only, and there was no concordance with sputum culture results. Airway clearance devic...Continue Reading

References

Feb 3, 2000·Journal of Clinical Microbiology·A N Neely, M P Maley
Jul 28, 2005·Journal of Cystic Fibrosis : Official Journal of the European Cystic Fibrosis Society·G ReychlerP Lebecque
Aug 18, 2006·BMC Infectious Diseases·Axel KramerGünter Kampf
Jun 23, 2007·Child: Care, Health and Development·H BlauH A Cohen
Feb 29, 2008·Journal of Cystic Fibrosis : Official Journal of the European Cystic Fibrosis Society·Rosa Patricia Arias LlorenteJuan José Díaz Martín
Feb 19, 2011·American Journal of Respiratory and Critical Care Medicine·Malena Cohen-CymberknohEitan Kerem

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Citations

Mar 21, 2019·Expert Review of Respiratory Medicine·Nicola J RowbothamAlan R Smyth
Feb 23, 2019·Transplant International : Official Journal of the European Society for Organ Transplantation·Matevž HarlanderIvan Kneževič
Apr 2, 2020·Journal of Feline Medicine and Surgery·Friederike K KlenkBianka S Schulz
Jul 21, 2020·Breathe·Jane BellB Cherie Millar

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