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Negative pressure aerosol containment box: An innovation to reduce COVID-19 infection risk in healthcare workers.

ABSTRACT: Healthcare workers (HCW's) are at increased risk of corona virus disease (COVID-19) infection during aerosol generating activities. The aerosol box has been used during intubation and extubation to prevent transmission of infection to HCWs. Isolation room with negative pressure has been advocated for COVID-19 patients. The described containment box has been designed to be useful in COVID intensive care unit (ICU) as a multipurpose box which is a cost effective and readily available resource. This innovation combines the containment box with negative pressure generation using central vacuum.

SUBMITTER: Gupta V

PROVIDER: S-EPMC7574021 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Negative pressure aerosol containment box: An innovation to reduce COVID-19 infection risk in healthcare workers.

Gupta Vivek V Sahani Ashish A Mohan Bishav B Wander G S GS

Journal of anaesthesiology, clinical pharmacology 20200724 Suppl 1

Healthcare workers (HCW's) are at increased risk of corona virus disease (COVID-19) infection during aerosol generating activities. The aerosol box has been used during intubation and extubation to prevent transmission of infection to HCWs. Isolation room with negative pressure has been advocated for COVID-19 patients. The described containment box has been designed to be useful in COVID intensive care unit (ICU) as a multipurpose box which is a cost effective and readily available resource. Thi ...[more]

PMID: 33100667

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Project description:BackgroundSpurred by the Coronavirus infectious disease 2019 pandemic, aerosol containment devices (ACDs) were developed to capture infectious respiratory aerosols generated by patients at their source. Prior reviews indicated that such devices had low evidence of effectiveness, but did not address how ACDs should be evaluated, how well they should perform, nor have clearly defined performance standards. Towards developing design criteria for ACDs, two questions were posed: 1) What characteristics have guided the design of ACDs? 2) How have these characteristics been evaluated?MethodsA scoping review was performed consistent with PRISMA guidelines. Data were extracted with respect to general study information, intended use of the device, device design characteristics and evaluation.ResultsFifty-four articles were included. Evaluation was most commonly performed with respect to device aerosol containment (n = 31, 61%), with only 5 (9%), 3 (6%) and 8 (15%) formally assessing providing experience, patient experience and procedure impact, respectively. Nearly all of the studies that explored provider experience and procedure impact studied intubation. Few studies provided a priori performance criteria for any evaluation metric, or referenced any external guidelines by which to bench mark performance.ConclusionWith respect to aerosol containment, ACDs should reduce exposure among HCP with the device compared with the absence of the device, and provide ≥90% reduction in respirable aerosols, equivalent in performance to N95 filtering facepiece respirators, if the goal is to reduce reliance on personal protective equipment. The ACD should not increase awkward or uncomfortable postures, or adversely impact biomechanics of the procedure itself as this could have implications for procedure outcomes. A variety of standardized instruments exist to assess the experience of patients and healthcare personnel. Integration of ACDs into routine clinical practice requires rigorous studies of aerosol containment and the user experience.

Dataset Information

Negative pressure aerosol containment box: An innovation to reduce COVID-19 infection risk in healthcare workers.

Publications

Negative pressure aerosol containment box: An innovation to reduce COVID-19 infection risk in healthcare workers.

Similar Datasets

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