Investigation of respiratory muscle strength, exercise capacity and sleep quality level in post-COVID-19 Individuals: case-control study
Abstract
Abstract Introduction COVID-19 patients may arrive at the hospital with a variety of symptoms, from severe pneumonia and multiple organ failure to moderate upper respiratory symptoms, or no symptoms at all. The aim of the was to evaluate the respiratory muscle strength, exercise capacity and sleep quality of young individuals who had COVID-19 infection and recovered without the need for hospitalization, and to compare them with asymptomatic individuals. Material and methods Fifty-two sedentary people aged 18 to 45 were recruited: 30 post-COVID-19, and 22 who had not contracted COVID. All COVID-19 patients had achieved a negative PCR test three months after infection, were not hospitalized during the disease, did not smoke and were not involved in any exercise program. A spirometer was used to measure pulmonary function, an electronic mouth pressure monitor was used to measure respiratory muscle strength, the six-minute walk test (6MWT) was used to measure exercise capacity, and the Pittsburgh Sleep Quality Scale was used to measure sleep quality. Results The individuals with COVID-19 infection had significantly lower measured and maximal inspiratory pressure, maximal expiratory pressure, and 6MWT distances compared to the healthy individuals (respectively; p = 0.001, p = 0.001, p = 0.002). They also had lower sleep quality (p=0.003). Pulmonary function values (FEV1, FVC, FEV1/FVC, PEF) of both groups were similar (p > 0.05). Conclusions Our study indicated that young…
How strong is the evidence?
Evidence Hub reads this as a case-control, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause. Reported size: 19 participants or records.
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