Evaluation of contamination by blood aerosols produced during various healthcare procedures

The Journal of Hospital Infection
F PerdelliP Orlando

Abstract

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/m(3) of air aspirated (muL blood/m(3) air) was calculated. Hb was detected in 38.64% of samples. The mean concentration of Hb in the samples was 0.10+/-0.19 microg Hb/m(3) of aspirated air, with a range of 0-0.72 microg Hb/m(3). No statistically significant differences in the concentration of blood aerosol per m(3) 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.

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Citations

Feb 1, 2011·The Journal of Hospital Infection·A CarducciG Privitera
Jun 18, 2019·Biocontrol Science·Akari WatanabeSusumu Kokeguchi
May 15, 2020·The Journal of Craniofacial Surgery·Joshua J DeSerresJeffrey A Fialkov
May 8, 2020·Journal of Otolaryngology - Head & Neck Surgery = Le Journal D'oto-rhino-laryngologie Et De Chirurgie Cervico-faciale·Andrew ThambooMarc Lammers
Jul 28, 2019·International Journal of Environmental Research and Public Health·Anna Maria SpagnoloMaria Luisa Cristina
Mar 13, 2021·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Monika E FreiserDavid H Chi
Dec 22, 2021·Lasers in Surgery and Medicine·Liora BikMartijn B A van Doorn
Dec 23, 2021·Journal of Evidence-based Medicine·Marina Tavares Costa NóbregaCarlos Flores-Mir

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