Effects of N95 Masks on Cerebral Oxygen Saturation and End-Tidal Carbon Dioxide Partial Pressure in Healthcare Workers
| Author | Jahangir Ghorbani | en |
| Author | Fatemeh Doraneh-Gard | en |
| Author | Seyed Bashir Mirtajani | en |
| Author | Mohammad Shirvani | en |
| Author | Majid Golestani Eraghi | en |
| Author | Seied-Reza Seied-Mohammad Doulabi | en |
| Author | Alireza Jahangirifard | en |
| Orcid | Jahangir Ghorbani [0000-0001-6209-1081] | en |
| Orcid | Seyed Bashir Mirtajani [0000-0003-4373-1383] | en |
| Orcid | Mohammad Shirvani [0000-0003-2844-1361] | en |
| Orcid | Seied-Reza Seied-Mohammad Doulabi [0000-0003-1372-3710] | en |
| Orcid | Alireza Jahangirifard [0000-0002-2705-4055] | en |
| Issued Date | 2023-10-31 | en |
| Abstract | Background: Healthcare workers must wear masks throughout their shifts, especially those in operating rooms for long periods. Objectives: This study evaluated the effects of wearing N95 masks on blood and cerebral oxygen saturation levels for three hours. Methods: The present case-control study enrolled 20 operating room workers wearing N95 masks. Their blood oxygen saturation (SaO2), end-tidal carbon dioxide partial pressure (PETCO2), and right- and left-sided cerebral regional oxygen saturation (rSO2) were measured in the beginning (0 h) and after wearing N95 masks for one and three hours. Results: Wearing a mask affected PETCO2, rSO2, and pulse rate and caused fatigue and lightheadedness in some cases. The participants' mean PETCO2 increased significantly, from 32 mmHg before putting on a mask to 38 mmHg after wearing it for three hours (P < 0.05). No significant change was observed in the participants' mean rSO2, though changes in their rSO2 levels were recorded (P > 0.05). Conclusions: We showed evidence of changes in different physiology parameters due to using masks for 1 to 3 h. Notably, wearing an N95 mask increased end-tidal carbon dioxide partial pressure and decreased cerebral oxygen saturation in individual cases, not all cases. | en |
| DOI | https://doi.org/10.5812/aapm-135081 | en |
| Keyword | N95 Masks | en |
| Keyword | Cerebral Oxygen Saturation | en |
| Keyword | Carbon Dioxide | en |
| Keyword | Healthcare Workers | en |
| Publisher | Brieflands | en |
| Title | Effects of N95 Masks on Cerebral Oxygen Saturation and End-Tidal Carbon Dioxide Partial Pressure in Healthcare Workers | en |
| Type | Research Article | en |
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