Article ; Online: Characterizing Particulate Generation During Cardiopulmonary Rehabilitation Classes With Patients Wearing Procedural Masks.
2021 Volume 160, Issue 2, Page(s) 633–641
Abstract: ... rehabilitation classes, with larger class sizes (ie, more patients), despite participants wearing a procedural ... with all patients wearing a procedural mask. Small (0.3-4.9 μm) and large (5-10 μm) particle generation was ... cardiopulmonary rehabilitation while wearing a procedural mask a particle-generating procedure?: Study design ...
| Abstract | Background: The clinical benefits of cardiopulmonary rehabilitation are extensive, including improvements in health-related quality of life, emotional condition, physical function, and overall mortality. The COVID-19 pandemic continues to have a negative impact on center-based cardiopulmonary rehabilitation. Justifiable concern exists that the exercise-related increase in pulmonary ventilation within the rehabilitation classes may lead to the generation of infectious respiratory particles. Research question: Is cardiopulmonary rehabilitation while wearing a procedural mask a particle-generating procedure? Study design and methods: Data were collected prospectively at a cardiopulmonary rehabilitation facility with all patients wearing a procedural mask. Small (0.3-4.9 μm) and large (5-10 μm) particle generation was quantified using a light-scattering particle counter. Data were analyzed by time, exertion level, and number of participants. Results: A total of 24 distinct patients attended two or more of the cardiopulmonary rehabilitation classes tested. Most of the patients were men (n = 16 [67%]) and were in rehabilitation because of cardiac disease. During the cardiopulmonary rehabilitation class, small and large micrometer-size particles increased with increasing class size. In classes with four patients or more, a significant increase was found from ambient levels in both small (four patients, P < .01; and five patients, P < .01) and large (four patients, P < .01; and five patients, P < .01) particle count that peaked at about 35 to 40 min during each class. Interpretation: Using an airborne particle counter, we found significant exercise-related increases in both small and large micrometer-size particle generation during cardiopulmonary rehabilitation classes, with larger class sizes (ie, more patients), despite participants wearing a procedural mask. |
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| MeSH term(s) | Aged ; COVID-19 ; Cardiac Rehabilitation ; Female ; Humans ; Male ; Masks ; Middle Aged ; Particle Size ; Particulate Matter/analysis ; Prospective Studies | ||||||||||
| Chemical Substances | Particulate Matter | ||||||||||
| Language | English | ||||||||||
| Publishing date | 2021-03-02 | ||||||||||
| Publishing country | United States | ||||||||||
| Document type | Journal Article | ||||||||||
| ZDB-ID | 1032552-9 | ||||||||||
| ISSN | 1931-3543 ; 0012-3692 | ||||||||||
| ISSN (online) | 1931-3543 | ||||||||||
| ISSN | 0012-3692 | ||||||||||
| DOI | 10.1016/j.chest.2021.02.045 | ||||||||||
| Shelf mark |
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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