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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04874766
Other study ID # 2701
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date May 28, 2021
Est. completion date August 31, 2021

Study information

Verified date October 2021
Source University of Saskatchewan
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

There is concern that wearing a face mask during COVID will affect oxygen uptake, especially during intense exercise. COVID transmission is especially prevalent in sports such as hockey, where there is close contact between players and arena ventilation is poor. This study will assess the effect of wearing a surgical face mask on simulated hockey performance and blood and muscle oxygenation during cycling exercise.


Description:

The sport of ice hockey involves close contact between players in poorly ventilated arenas. This increases susceptibility for transmission of viruses, such as COVID-19. Face masks can reduce the risk of virus transmission; however, there is concern that wearing a face mask during exercise will reduce oxygen uptake or increase carbon dioxide re-breathing, which can result in low blood oxygen levels, reduced oxygen delivery to muscle and reduced exercise capacity. The purpose of the study is to determine the effect of wearing a surgical face mask during exercise that simulates ice hockey play on exercise performance and blood and muscle oxygenation in boys and girls. Twelve boys and twelve girls (age 9-14y) who are experienced playing hockey, will take part in this randomized cross-over study that will assess exercise performance, blood oxygenation (i.e. pulse oximetry) and muscle oxygenation (with near infrared spectroscopy) during an exercise test on a cycle ergometer with workloads and work to rest intervals that simulates hockey performance. Participants will also be tested for repeated-sprint performance on ice while wearing full hockey equipment. The conditions include no mask (a "sham" mask) and a surgical mask. Outcome variables include power output during the cycle ergometer testing, skating distance during the on-ice test, rating of perceived exertion, blood oxygen saturation levels, and oxygenated, deoxygenated, and total hemoglobin at the quadriceps muscle.


Recruitment information / eligibility

Status Completed
Enrollment 26
Est. completion date August 31, 2021
Est. primary completion date July 15, 2021
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 9 Years to 14 Years
Eligibility Inclusion Criteria: - Experience playing ice-hockey Exclusion Criteria: - Contra-indications to exercise as identified by a screening questionnaire (the "Get Active Questionnaire")

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Wingate exercise test and on-ice testing while wearing a face mask
Power output during 2 x 20s Wingate cycle tests and total distance during an on-ice skating test while wearing a face mask
Wingate exercise test and on-ice testing while wearing a sham face mask
Power output during 2 x 20s Wingate cycle tests and total distance during an on-ice skating test while wearing a face mask

Locations

Country Name City State
Canada University of Saskatchewan Saskatoon Saskatchewan

Sponsors (2)

Lead Sponsor Collaborator
University of Saskatchewan Saskatchewan Health Research Foundation

Country where clinical trial is conducted

Canada, 

Outcome

Type Measure Description Time frame Safety issue
Primary Change from baseline in average power output Average power output in Watts during two 20 second Wingate tests Up to 40 seconds
Secondary Change from baseline in peak power output Peak power output in Watts during two 20 second Wingate tests Up to 40 seconds
Secondary Change from baseline in on-ice sprint testing distance Distance in meters covered during a repeated 20-meter sprint test that progressively increases in speed Up to 12 minutes
Secondary Change from baseline in blood oxygen saturation Blood oxygen saturation (%) determined by pulse oximetry Up to 40 minutes
Secondary Change from baseline in quadriceps tissue oxygenation index Tissue oxygenation index (oxygenated hemoglobin/total hemoglobin) as measured by near infra-red spectroscopy Up to 40 minutes
Secondary Change from baseline in rating of perceived exertion Rating of perceived exertion on a scale of 1-10 (Modified Borg Scale), a higher score indicates a greater perceived exertion Up to 40 minutes
Secondary Change from baseline in heart rate Heart rate (beats per minute) Up to 40 minutes
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