Reduced maximal aerobic capacity after COVID-19 in young adult recruits, Switzerland, May 2020

Crameri, Giovanni Andrea Gerardo; Bielecki, Michel; Züst, Roland; Buehrer, Thomas Werner; Stanga, Zeno; Deuel, Jeremy

doi:10.2807/1560-7917.es.2020.25.36.2001542

Cited by 73 publications

(89 citation statements)

References 10 publications

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“…These problems are worth further exploration. The results of the present study are consistent with those published by other researchers, who reported similar impaired physical fitness in athletes during the same period [ 54 , 55 , 56 ].…”

Section: Discussionsupporting

confidence: 94%

The Impact of Reduced Training Activity of Elite Kickboxers on Physical Fitness, Body Build, and Performance during Competitions

Ambroży

Rydzik

Obmiński

et al. 2021

IJERPH

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Background: Kickboxing is a combat sport where athletes require constant supervision of a coach. The outbreak of the pandemic caused by SARS-CoV-2 has led to a crisis in many sectors, including sport. Global efforts to limit the spread of the pathogen resulted in temporary lockdowns that limited sporting activity, thus deteriorating athletes’ physical fitness. Methods: The participants included 20 kickboxers competing at the international level. Their physical fitness was evaluated based on the test developed by the International Committee on the Standardization of Physical Fitness Test (ICSPFT) and their body build was assessed using Tanita BC601 body composition monitor and a body height meter. Differences between physical fitness before the COVID-19 outbreak and during the pandemic after re-opening sports facilities were evaluated. Results: Temporary closing of sports clubs has led to the increase in body mass of the participants by 2.65 kg on average and significantly deteriorated physical fitness. Conclusions: Temporary closing of sports clubs and restrictions on physical activity aimed at containing the spread of COVID-19 caused a significant reduction in physical fitness and increased body mass of the participants. This is likely to cause worse performance in the nearest competitions and have a negative impact on the athletes’ health status and immunity to diseases.

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Section: Discussionsupporting

confidence: 94%

The Impact of Reduced Training Activity of Elite Kickboxers on Physical Fitness, Body Build, and Performance during Competitions

Ambroży

Rydzik

Obmiński

et al. 2021

IJERPH

View full text Add to dashboard Cite

show abstract

“…There were two prospective and eight retrospective cohort studies and one case report containing information regarding the respiratory system [ 14 , 15 , [16] , [17] , [18] , [19] , [20] , [21] , [22] , [23] , 24 ,]].…”

Section: Resultsmentioning

confidence: 99%

“…Eight out of 11 studies used computed tomography [ [16] , [17] , [18] , [19] , [21] , [22] , [23] , [24] ]. Six out of 11 performed a lung function test [ [14] , [15] , [16] , 20 , 23 , 24 ]. Follow-up intervals ranged from nine days to three months post-discharge from hospital.…”

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

COVID-19 sequelae in adults aged less than 50 years: A systematic review

Willi

Lüthold

Hunt

et al. 2021

Travel Medicine and Infectious Disease

136

115

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Background There is emerging evidence of long-term sequelae in a considerable proportion of COVID-19 patients after recovery and the spectrum and severity of such sequelae should be systematically reviewed. This review aims to evaluate the available evidence of all intermediate and long-term COVID-19 sequelae affecting formerly healthy adults. Methods A systematic literature search of Embase, WHO, Scopus, Pubmed, Litcovid, bioRxiv and medRxiv was conducted with a cutoff date of the 17th September 2020 according to PRISMA guidelines and registered in PROSPERO (CRD42020208725). Search terms included “COVID-19”, “coronavirus disease 2019”, “SARS-CoV-2”, “sequelae” and “consequence*”. Publications on adult participants, with a confirmed SARS-CoV-2 infection were included. Elderly (>50 years old) and children (<18 years old) were excluded. Bias assessment was performed using a modified Newcastle-Ottawa Scale. Results A total of 31 papers were included. Study types included prospective and retrospective cohort studies, cross-sectional studies and case reports. Sequelae persistence since infection spanned 14 days to three months. Sequelae included persistent fatigue (39-73% of assessed persons), breathlessness (39-74%), decrease in quality of life (44-69%), impaired pulmonary function, abnormal CT findings including pulmonary fibrosis (39-83%), evidence of peri-/perimyo-/myocarditis (3-26%), changes in microstructural and functional brain integrity with persistent neurological symptoms (55%), increased incidence of psychiatric diagnoses (5.8% versus 2.5-3.4% in controls), incomplete recovery of olfactory and gustatory dysfunction (33-36% of evaluated persons). Conclusions A variety of organ systems are affected by COVID-19 in the intermediate and longer-term after recovery. Main sequelae include post-infectious fatigue, persistent reduced lung function and carditis. Careful follow-up post COVID 19 is indicated to assess and mitigate possible organ damage and preserve life quality.

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“…IRBs are charged with making that assessment, but in the case of human challenge studies, knowledge about infection with SARS-CoV-2 and potential resulting COVID-19 illness continues to evolve; many unknowns remain. Despite the earlier belief that young, healthy adults (the proposed subjects) experience a mild form of COVID-19 and recover quickly, recent data have revealed that this population can experience significant adverse effects when they become infected (22)(23)(24). An additional shortcoming of HCS is that some risks of the vaccine itself may emerge only when a larger number of individuals have been vaccinated.…”

Section: Acceptable Risk-benefitmentioning

confidence: 99%

For now, it’s unethical to use human challenge studies for SARS-CoV-2 vaccine development

Kahn

Henry

Mastroianni

et al. 2020

Proc. Natl. Acad. Sci. U.S.A.

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Reduced maximal aerobic capacity after COVID-19 in young adult recruits, Switzerland, May 2020

Cited by 73 publications

References 10 publications

The Impact of Reduced Training Activity of Elite Kickboxers on Physical Fitness, Body Build, and Performance during Competitions

The Impact of Reduced Training Activity of Elite Kickboxers on Physical Fitness, Body Build, and Performance during Competitions

COVID-19 sequelae in adults aged less than 50 years: A systematic review

For now, it’s unethical to use human challenge studies for SARS-CoV-2 vaccine development

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