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Journal of Hospital Infection
Volume 70, Issue 2, October 2008, Pages 174-179
Evaluation of contamination by blood aerosols produced during various healthcare procedures
诊疗过程中产生的含血气溶胶的污染评估
F. Perdellia, A.M. Spagnoloa, M.L. Cristinaa, , , M. Sartinia, R. Malcontentib, M. Dalleraa, G. Ottriaa, R. Lombardic and P. Orlandoa
aDepartment of Health Sciences, University of Genoa, Italy bDepartment of Legal Medicine, Criminology and Clinical Psychology, University of Genoa, Italy cNational Institute for Occupational Safety and Prevention (ISPESL), Rome, Italy
Received 27 March 2008; accepted 13 June 2008. Available online 23 August 2008.
Summary
This study aimed to quantify the blood content of aerosols produced during dental, maxillofacial and autopsy procedures and to identify those activities which involve the greatest risk of infection due to exposure to blood-containing aerosols. A total of 132 air samples were taken in several dental cubicles, a maxillofacial operating theatre and an autopsy room. The concentration of haemoglobin (Hb) in the samples was quantified and, for each day of sampling, the concentration of blood/m3 of air aspirated (μL blood/m3 air) was calculated. Hb was detected in 38.64% of samples. The mean concentration of Hb in the samples was 0.10 ± 0.19 μg Hb/m3 of aspirated air, with a range of 0–0.72 μg Hb/m3. No statistically significant differences in the concentration of blood aerosol per m3 of aspirated air were noted among the three types of activity analysed (P > 0.05). Although there is, as yet, no concrete proof of the risk of infection through blood-containing aerosols, minimising the production and dispersal of aerosols and spatters is strongly recommended.
Keywords: Blood particles; Infection risk; Bloodborne viruses
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发表于 2008-9-15 16:08
发表于 2008-9-16 15:01