The Journal of hospital infection · 2016
Pertussis outbreak among patients and healthcare workers in a provincial dialysis facility in Japan.
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Nakamura K, Kobayashi M, Yamamoto N, Tokuda K, Miura S, Abe Y, Kashiwazaki J, Aoyagi T, Kaku M, Kanemitsu K
Аннотация
BACKGROUND: Sixteen pertussis cases in haemodialysis patients and healthcare workers were detected in a 25-bed outpatient haemodialysis facility in Japan between October 2013 and April 2014.
AIM: To describe an outbreak of pertussis among patients and healthcare workers, and to identify risk factors for pertussis infection.
METHODS: Sputum cultures, loop-mediated isothermal amplification assays performed on nasopharyngeal swabs to detect respiratory pathogens including Bordetella pertussis, and serum anti-pertussis toxin immunoglobulin G measurements were performed for all haemodialysis patients and healthcare workers. A retrospective case-control study was performed to identify the risk factors for pertussis infection in the clinic.
FINDINGS: Only six of the 16 pertussis patients (37.5%) had respiratory symptoms. Recent exposure to an unmasked individual with a cough was associated with pertussis infection (odds ratio 6.25, P<0.05). The outbreak was terminated successfully after enforcing the use of surgical masks among both patients and healthcare workers.
CONCLUSION: This report demonstrates the risk of pertussis transmission in a haemodialysis facility, and underscores the importance of wearing surgical masks to control a pertussis outbreak.
AIM: To describe an outbreak of pertussis among patients and healthcare workers, and to identify risk factors for pertussis infection.
METHODS: Sputum cultures, loop-mediated isothermal amplification assays performed on nasopharyngeal swabs to detect respiratory pathogens including Bordetella pertussis, and serum anti-pertussis toxin immunoglobulin G measurements were performed for all haemodialysis patients and healthcare workers. A retrospective case-control study was performed to identify the risk factors for pertussis infection in the clinic.
FINDINGS: Only six of the 16 pertussis patients (37.5%) had respiratory symptoms. Recent exposure to an unmasked individual with a cough was associated with pertussis infection (odds ratio 6.25, P<0.05). The outbreak was terminated successfully after enforcing the use of surgical masks among both patients and healthcare workers.
CONCLUSION: This report demonstrates the risk of pertussis transmission in a haemodialysis facility, and underscores the importance of wearing surgical masks to control a pertussis outbreak.