Article ; Online: Negative Pressure Assisted Microenvironment Surgical Hood: A Novel Cost-Effective Device to Minimize Aerosol Contamination During Neurosurgical Procedures in Times of COVID-19.
2021 Volume 150, Page(s) 153–160
Abstract: ... localized environment around the operative field-the negative pressure assisted microenvironment surgical ... Objective: Present guidelines on reducing aerosol generation during neurosurgical procedures are ... disease 2019 (COVID-19) in aerosol particles is awaited, we describe a cost-effective strategy to reduce ...
| Abstract | Objective: Present guidelines on reducing aerosol generation during neurosurgical procedures are futile. The aim of this article was to describe a novel device to contain aerosol within a small localized environment around the operative field-the negative pressure assisted microenvironment surgical hood (NEPA-MESH). Methods: This device can be assembled using easily available materials-steel wires, image intensifier cover, surgical drape, and three-dimensional-printed self-locking copolyester double hoops. Large-bore pipes in continuity with a high-volume suction apparatus create a constant negative pressure microenvironment around the operative field. The CEM DT-9880 particle counter was used to estimate particle concentration inside the NEPA-MESH during various stages of a neurosurgical procedure as well as outside. The NEPA-MESH was tested in different craniotomies and endoscopic procedures. Results: Mean particle concentration inside the NEPA-MESH and outside during drilling in various procedures was calculated and compared using unpaired t test. Significant reduction in particle concentrations was recorded for particles sized 0.3 μm (t = 17.55, P < 0.0001), 0.5 μm (t = 11.39, P < 0.0001), 1 μm (t = 6.36, P = 0.0002), 2.5 μm (t = 2.04, P = 0.074), 5.0 μm (t = 7.026, P = 0.0008), and 10 μm (t = 4.39, P = 0.0023). Conclusions: As definitive evidence demonstrating the presence of coronavirus disease 2019 (COVID-19) in aerosol particles is awaited, we describe a cost-effective strategy to reduce aerosol contamination. Significant reduction in particle concentrations was seen outside the NEPA-MESH compared with inside it during various stages of neurosurgical procedures. |
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| MeSH term(s) | Aerosols ; Air Pressure ; COVID-19/prevention & control ; Cost-Benefit Analysis ; Craniotomy ; Environmental Monitoring ; Equipment Design ; Humans ; Infectious Disease Transmission, Patient-to-Professional/economics ; Infectious Disease Transmission, Patient-to-Professional/prevention & control ; Neuroendoscopy ; Neurosurgeons ; Neurosurgery/economics ; Neurosurgery/methods ; Personal Protective Equipment/economics ; Surgical Drapes | |||||
| Chemical Substances | Aerosols | |||||
| Language | English | |||||
| Publishing date | 2021-03-19 | |||||
| Publishing country | United States | |||||
| Document type | Journal Article | |||||
| ZDB-ID | 2534351-8 | |||||
| ISSN | 1878-8769 ; 1878-8750 | |||||
| ISSN (online) | 1878-8769 | |||||
| ISSN | 1878-8750 | |||||
| DOI | 10.1016/j.wneu.2021.03.055 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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