Carbapenem-Resistant Acinetobacter baumannii: Concomitant Contamination of Air and Environmental Surfaces. Infect Control Hosp Epidemiol 2016 Jul;37(7):777-81
Date
04/06/2016Pubmed ID
27045768DOI
10.1017/ice.2016.69Scopus ID
2-s2.0-84976351514 (requires institutional sign-in at Scopus site) 27 CitationsAbstract
OBJECTIVE To concomitantly determine the differential degrees of air and environmental contamination by Acinetobacter baumannii based on anatomic source of colonization and type of ICU layout (single-occupancy vs open layout). DESIGN Longitudinal prospective surveillance study of air and environmental surfaces in patient rooms. SETTING A 1,500-bed public teaching hospital in Miami, Florida. PATIENTS Consecutive A. baumannii-colonized patients admitted to our ICUs between October 2013 and February 2014. METHODS Air and environmental surfaces of the rooms of A. baumannii-colonized patients were sampled daily for up to 10 days. Pulsed-field gel electrophoresis (PFGE) was used to type and match the matching air, environmental, and clinical A. baumannii isolates. RESULTS A total of 25 A. baumannii-colonized patients were identified during the study period; 17 were colonized in the respiratory tract and 8 were colonized in the rectum. In rooms with rectally colonized patients, 38.3% of air samples were positive for A. baumannii; in rooms of patients with respiratory colonization, 13.1% of air samples were positive (P=.0001). In rooms with rectally colonized patients, 15.5% of environmental samples were positive for A. baumannii; in rooms of patients with respiratory colonization, 9.5% of environmental samples were positive (P=.02). The rates of air contamination in the open-layout and single-occupancy ICUs were 17.9% and 21.8%, respectively (P=.5). Environmental surfaces were positive in 9.5% of instances in open-layout ICUs versus 13.4% in single-occupancy ICUs (P=.09). CONCLUSIONS Air and environmental surface contaminations were significantly greater among rectally colonized patients; however, ICU layout did not influence the rate of contamination. Infect Control Hosp Epidemiol 2016;37:777-781.
Author List
Shimose LA, Masuda E, Sfeir M, Berbel Caban A, Bueno MX, dePascale D, Spychala CN, Cleary T, Namias N, Kett DH, Doi Y, Munoz-Price LSMESH terms used to index this publication - Major topics in bold
Acinetobacter InfectionsAcinetobacter baumannii
Air Microbiology
Anti-Bacterial Agents
Carbapenems
Cross Infection
Electrophoresis, Gel, Pulsed-Field
Environmental Exposure
Humans
Intensive Care Units
Patients' Rooms
Rectum
Respiratory System
beta-Lactam Resistance
