Blood Oxygen Saturation and Prolong Face Mask Use in Healthcare Workers in Port Harcourt Nigeria, in the COVID 19 Pandemic Era

Main Article Content

Petronila N. Tabansi
Uchenna Onubogu

Abstract

Introduction: The World Health Organization (WHO) declared the Corona Virus disease 2019 (COVID 19) caused by Severe Acute Respiratory Syndrome Corona Virus 2(SARS-Cov-2) a pandemic in March 2020. Aerosolized infected droplets and airborne transmission have been proffered as means of transmission, and as such, the use of face masks has been advocated as a key strategy in the disease control - more so in health care workers who are at the fore-front of the pandemic. However, the use of face masks for prolonged periods has raised concerns on possible adverse effect on blood oxygenation, potentially affecting compliance.

Aim: To monitor the blood oxygen saturation (SPO2) of healthcare workers wearing facemasks for 8-hours in the course of their duties, in a tertiary institution in Port Harcourt, Nigeria.

Methods: A cross-sectional study of healthcare workers wearing face masks while working. Baseline pre-face mask use SPO2 was done at Zero hour. Subsequently, serial hourly SPO2 were recorded until completion at the eight-hour. The respiratory and pulse rates were recorded at zero and eight hours. The results were analysed and presented as Means, Medians, Graphs and Tables.

Results: There were 220 participants with more females 147(66.8%). Doctors constituted 133(60.5%). The baseline pre-facemask Mean SPO2 was 97.9% ±0.75. The Median SPO2 was 98%. The overall SPO2 trend across 8 hours was maintained above 97.7% for all participants. Age was significantly associated with differences in SPO2 trend (P=0.032) (P=006); while Type of Facemask use had no significant effect on mean SPO2 trend (p=1.00). There was no significant difference in respiratory and pulse rates pre and post 8-hours face mask use.

Conclusion: Healthcare workers using facemasks continuously over eight hours maintained normal SPO2 level, with physiologic adaptation of respiratory and pulse rates.

Keywords:
Blood oxygen saturation, face masks, health workers, COVID 19 pandemic.

Article Details

How to Cite
Tabansi, P. N., & Onubogu, U. (2020). Blood Oxygen Saturation and Prolong Face Mask Use in Healthcare Workers in Port Harcourt Nigeria, in the COVID 19 Pandemic Era. Asian Journal of Cardiology Research, 3(2), 1-11. Retrieved from https://journalajcr.com/index.php/AJCR/article/view/30108
Section
Review Article

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