Summertime Bacillus cereus colonization of hospital newborns traced to contaminated, laundered linen

Hosein, I. K.; Hoffman, Peter; Ellam, S.; Asseez, T.-M.; Fakokunde, A.; Silles, Josephine M.; Devereux, Emma; Kaur, Daljit; Bosanquet, Joanne

doi:10.1016/j.jhin.2013.06.001

Cited by 42 publications

(25 citation statements)

References 12 publications

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“…Some studies indicated that B. cereus nosocomial infections occurred notably in summer, suggesting an association with high room temperature [2,3]. In our hospital, the number of B. cereus-positive cases showed a similar tendency.…”

Section: Discussionsupporting

confidence: 68%

“…However, these results suggest that the increase of BSI in summer was not associated with a specific strain. The contribution of common [3,5,12]. Our study was not able to explain the virulence determinants that affected the clinical presentation.…”

Section: Discussioncontrasting

confidence: 56%

“…Previous studies showed that B. cereus infection often develops in hospitalised neonates [3] or hospitalised patients with haematological malignancies [5]. In our study, no neonates were diagnosed as B. cereus BSI during the study period.…”

Section: Discussioncontrasting

confidence: 41%

“…Complete removal of B. cereus from linen is impractical, and there are no universally acceptable levels in washed linen, sheets and pyjamas [3]. Thus, these can be a source of pollution and can cause outbreaks [2].…”

Section: Discussionmentioning

confidence: 99%

“…Bacillus spores are widespread in soil, dust, water and the hospital environment [1]. B. cereus contamination of laundered linen was associated with nosocomial outbreaks of B. cereus infections [2][3][4]. In a clinical setting, B. cereus infection frequently occurs as emetic and diarrhoeal food poisoning [1].…”

Section: Introductionmentioning

confidence: 99%

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Erratum to: Seasonal trend and clinical presentation of Bacillus cereus bloodstream infection: association with summer and indwelling catheter

Kato

Matsumura

Yamamoto

et al. 2016

Eur J Clin Microbiol Infect Dis

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Bacillus cereus, an opportunistic pathogen, can cause fatal infection. However, B. cereus bloodstream infections (BSIs) have not been well characterised. From 2008 to 2013, B. cereus isolates from all of the specimens and patients with B. cereus BSIs were identified. Environmental samples were collected to detect B. cereus contamination. We also characterised the clinical presentation of B. cereus BSI through analyses of risk factors for BSI and mortality. A total of 143 clinical B. cereus isolates was detected. Fifty-one patients with nosocomial infections were diagnosed as B. cereus BSI, and 37 had contaminated blood cultures. The number of B. cereus isolates and BSI patients was significantly greater from June to September than from January to April (3.4 vs. 1.0 per month and 1.4 vs. 0.2, respectively). All BSIs were nosocomial and related to central or peripheral vascular catheter. Urinary catheter [odds ratio (OR) 6.93, 95 % confidence interval (CI) 2.40-20.0] was the independent risk factor associated with BSI patients when compared to patients regarded as contaminated. In-hospital mortality among BSI patients was 20 % and was associated with urinary catheter (OR 12.3, p = 0.045) and higher Charlson index (OR 1.99,). The number of B. cereus isolates and BSI increased during summer. Inpatients with indwelling vascular or urinary catheters should be carefully monitored for potential B. cereus BSIs.

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Section: Discussionsupporting

confidence: 68%

Section: Discussioncontrasting

confidence: 56%