Evaluation of microbial contamination on cuff syringe, cuff pressure gauge, and their surroundings in the operating room

JA Clinical Reports

Rieko Oishi¹  Shinju Obara¹  Masahiro Murakawa¹  Satoki Inoue¹  Kazutaka Ohashi²  Yukiko Takano²  Rie Harada³  Kiwamu Nakamura³  Keiji Kanemitsu³  Yoko Yahagi⁴ 

[1] Department of Anesthesiology, Fukushima Medical University, 1 Hikarigaoka, Fukushima-city, Fukushima, Japan;Department of Clinical Laboratory Medicine, Fukushima Medical University Hospital, 1 Hikarigaoka, Fukushima-city, Fukushima, Japan;Department of Infection Control, Fukushima Medical University, 1 Hikarigaoka, Fukushima-city, Fukushima, Japan;Fukushima Medical University, 1 Hikarigaoka, Fukushima-city, Fukushima, Japan;

关键词: Hospital-acquired infections, HAI;    Operating rooms, ORs;    Equipment contamination;    Infections;    Operating rooms;    Bacterial infections;    Anesthesia;    Syringes;   

DOI  :  10.1186/s40981-021-00486-0

来源: Springer

【 摘 要 】

BackgroundSome institutions reuse cuff syringes and do not periodically sterilize cuff pressure gauges. Pathogenic bacterial contamination of such equipment may increase the probability of pathogen transmission to patients during anesthetic procedures. Therefore, microbial contamination on cuff syringes, cuff pressure gauges, and their surroundings was assessed in the operating rooms of a university-affiliated tertiary care hospital in Japan.MethodsThis study was conducted between April and May 2019 in 14 operating suites at a hospital. The following sites in each operating suite were sampled: cuff syringe (inner/outer components), outer components of cuff pressure gauge, cuff syringe and cuff pressure gauge storage drawers, and computer mice. The swabs were directly streaked onto agar plates and incubated. Then, the bacterial species were identified using mass spectrometry.ResultsThe highest bacterial isolation was observed in computer mice, followed by the outside of cuff pressure gauges and the drawers of cuff pressure gauges (92.9, 78.6, and 64.3%, respectively). Most of the identified bacteria belonged to the Bacillus species, with colonization rates of 85.7, 57.1, and 57.1% on computer mice, cuff pressure gauges, and cuff pressure gauge storage drawers, respectively. Coagulase-negative Staphylococcus was found in 35.7% of the specimens and was more prevalent on computer mice (71.4%), followed by on cuff pressure gauges (64.3%).ConclusionAnesthesiologists should be aware of the possible pathogen contamination risk from cuff syringes, cuff pressure gauges, or associated equipment and take appropriate infection control measures to minimize the risk of pathogenic transmission.

【 授权许可】

CC BY