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Exercise Capacity and Perceived Exertion on Treadmill Stress Test Performed While Wearing vs Without a Surgical Mask: A Randomized Clinical Trial in Healthy Adults.


ABSTRACT:

Background

The graded exercise treadmill stress test (GXT) is among the most frequently performed tests in cardiology. The COVID-19 pandemic led many healthcare facilities to require patients to wear a mask during the test. This study evaluated the effect of wearing a surgical face mask on exercise capacity and perceived exertion.

Methods

In this prospective, randomized crossover trial, 35 healthy adults performed a GXT using the Bruce protocol while wearing a surgical mask, and without a mask. The primary outcome was exercise capacity in metabolic equivalents (MET), and the secondary outcome was exercise perception on the modified Borg scale (from 0 to 10). Effort duration, heart rate, oxygen saturation, and blood pressure were also analyzed.

Results

Exercise capacity was reduced by 0.4 MET (95% confidence interval [CI] -0.7 to -0.2) during the GXT with a mask (11.8 ± 2.7 vs 12.3 ± 2.5 MET, P = 0.001), and the final perceived effort increased by 0.5 points (95% CI 0.2 to 0.8; 8.4 ± 1.3 vs 7.9 ± 1.6, P = 0.004). Effort duration was cut down by 24 seconds (CI -0:39 to -0:09; 10:03 ± 2:30 vs 10:27 ± 2:16 [minutes:seconds], P = 0.003). Oxygen saturation was slightly lower at the end of the test when participants wore a mask. No significant differences occurred in heart rate or blood pressure during the test.

Conclusion

Wearing a surgical mask causes a statistically significant decrease in exercise capacity and increase in perceived exertion. This small effect is not clinically significant for the interpretation of test results.

SUBMITTER: Dube F 

PROVIDER: S-EPMC9473141 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature

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Publications

Exercise Capacity and Perceived Exertion on Treadmill Stress Test Performed While Wearing vs Without a Surgical Mask: A Randomized Clinical Trial in Healthy Adults.

Dubé Frédérique F   Croteau Etienne E   Richard Gabriel G   Allard Catherine C   Mampuya Warner M WM  

CJC open 20220716 12


<h4>Background</h4>The graded exercise treadmill stress test (GXT) is among the most frequently performed tests in cardiology. The COVID-19 pandemic led many healthcare facilities to require patients to wear a mask during the test. This study evaluated the effect of wearing a surgical face mask on exercise capacity and perceived exertion.<h4>Methods</h4>In this prospective, randomized crossover trial, 35 healthy adults performed a GXT using the Bruce protocol while wearing a surgical mask, and w  ...[more]

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