Experimental Assessment of Carbon Dioxide Content in Inhaled Air With or Without Face Masks in Healthy Children: A Randomized Clinical Trial

doi:10.1001/jamapediatrics.2021.2659

. 2021 Jun 30:e212659.

doi: 10.1001/jamapediatrics.2021.2659. Online ahead of print.

Experimental Assessment of Carbon Dioxide Content in Inhaled Air With or Without Face Masks in Healthy Children: A Randomized Clinical Trial

Harald Walach¹, Ronald Weikl², Juliane Prentice³, Andreas Diemer⁴, Helmut Traindl⁵, Anna Kappes⁶, Stefan Hockertz⁷

Affiliations

¹ Poznan University of the Medical Sciences, Pediatric Clinic, Poznań, Poland.
² Obstetric, Gynecological, and General Practice, Passau, Germany.
³ Psychotherapeutic Practice, Müllheim, Germany.
⁴ General Practice, Gernsbach, Germany.
⁵ Traindl Consult, Vienna, Austria.
⁶ Psychotherapeutic Practice for Children and Youth, Müllheim, Germany.
⁷ tpi consult GmbH, Bollschweil, Germany.

PMID: 34190984
PMCID: PMC8246331
DOI: 10.1001/jamapediatrics.2021.2659

Experimental Assessment of Carbon Dioxide Content in Inhaled Air With or Without Face Masks in Healthy Children: A Randomized Clinical Trial

Harald Walach et al. JAMA Pediatr. 2021.

. 2021 Jun 30:e212659.

doi: 10.1001/jamapediatrics.2021.2659. Online ahead of print.

Authors

Harald Walach¹, Ronald Weikl², Juliane Prentice³, Andreas Diemer⁴, Helmut Traindl⁵, Anna Kappes⁶, Stefan Hockertz⁷

Affiliations

¹ Poznan University of the Medical Sciences, Pediatric Clinic, Poznań, Poland.
² Obstetric, Gynecological, and General Practice, Passau, Germany.
³ Psychotherapeutic Practice, Müllheim, Germany.
⁴ General Practice, Gernsbach, Germany.
⁵ Traindl Consult, Vienna, Austria.
⁶ Psychotherapeutic Practice for Children and Youth, Müllheim, Germany.
⁷ tpi consult GmbH, Bollschweil, Germany.

PMID: 34190984
PMCID: PMC8246331
DOI: 10.1001/jamapediatrics.2021.2659

Retraction in

Notice of Retraction. Walach H, et al. Experimental Assessment of Carbon Dioxide Content in Inhaled Air With or Without Face Masks in Healthy Children: A Randomized Clinical Trial. JAMA Pediatr. Published online June 30, 2021.
Christakis D, Fontanarosa PB. Christakis D, et al. JAMA Pediatr. 2021 Sep 1;175(9):e213252. doi: 10.1001/jamapediatrics.2021.3252. Epub 2021 Sep 7. JAMA Pediatr. 2021. PMID: 34269801 No abstract available.

Abstract

This randomized clinical trial measured inhaled and exhaled carbon dioxide in children with and without face masks.

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Conflict of interest statement

Conflict of Interest Disclosures: None reported.

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References

1. Xiao J, Shiu EYC, Gao H, et al. . Nonpharmaceutical measures for pandemic influenza in nonhealthcare settings —personal protective and environmental measures. Emerg Infect Dis. 2020;26(5):967-975. doi:10.3201/eid2605.190994 - DOI - PMC - PubMed
1. Matuschek C, Moll F, Fangerau H, et al. . Face masks: benefits and risks during the COVID-19 crisis. Eur J Med Res. 2020;25(1):32. doi:10.1186/s40001-020-00430-5 - DOI - PMC - PubMed
1. Schwarz S, Jenetzky E, Krafft H, Maurer T, Martin D. Corona children studies “Co-Ki”: first results of a Germany-wide registry on mouth and nose covering (mask) in children. Published 2021. Accessed June 15, 2021. https://www.researchsquare.com/article/rs-124394/v1 - PMC - PubMed
1. Mitteilungen der Ad-hoc-Arbeitsgruppe Innenraumrichtwerte der Innenraumlufthygiene-Kommission des Umweltbundesamtes und der Obersten Landesgesundheitsbehörden . [Health evaluation of carbon dioxide in indoor air]. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz.2008;51(11):1358-1369. doi:10.1007/s00103-008-0707-2 - DOI - PubMed
1. Walach H, Weikl R, Traindl H, et al. . Is carbon dioxide content under nose-mouth covering in children without potential risks? a measurement study in healthy children. Published April 14, 2021. Accessed June 15, 2021. https://osf.io/yh97a/?view_only=df003592db5c4bd1ab183dad8a71834f

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[1] Xiao J, Shiu EYC, Gao H, et al. . Nonpharmaceutical measures for pandemic influenza in nonhealthcare settings —personal protective and environmental measures. Emerg Infect Dis. 2020;26(5):967-975. doi:10.3201/eid2605.190994 - DOI - PMC - PubMed

[2] Xiao J, Shiu EYC, Gao H, et al. . Nonpharmaceutical measures for pandemic influenza in nonhealthcare settings —personal protective and environmental measures. Emerg Infect Dis. 2020;26(5):967-975. doi:10.3201/eid2605.190994 - DOI - PMC - PubMed

[3] Matuschek C, Moll F, Fangerau H, et al. . Face masks: benefits and risks during the COVID-19 crisis. Eur J Med Res. 2020;25(1):32. doi:10.1186/s40001-020-00430-5 - DOI - PMC - PubMed

[4] Matuschek C, Moll F, Fangerau H, et al. . Face masks: benefits and risks during the COVID-19 crisis. Eur J Med Res. 2020;25(1):32. doi:10.1186/s40001-020-00430-5 - DOI - PMC - PubMed

[5] Schwarz S, Jenetzky E, Krafft H, Maurer T, Martin D. Corona children studies “Co-Ki”: first results of a Germany-wide registry on mouth and nose covering (mask) in children. Published 2021. Accessed June 15, 2021. https://www.researchsquare.com/article/rs-124394/v1 - PMC - PubMed

[6] Schwarz S, Jenetzky E, Krafft H, Maurer T, Martin D. Corona children studies “Co-Ki”: first results of a Germany-wide registry on mouth and nose covering (mask) in children. Published 2021. Accessed June 15, 2021. https://www.researchsquare.com/article/rs-124394/v1 - PMC - PubMed

[7] Mitteilungen der Ad-hoc-Arbeitsgruppe Innenraumrichtwerte der Innenraumlufthygiene-Kommission des Umweltbundesamtes und der Obersten Landesgesundheitsbehörden . [Health evaluation of carbon dioxide in indoor air]. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz.2008;51(11):1358-1369. doi:10.1007/s00103-008-0707-2 - DOI - PubMed

[8] Mitteilungen der Ad-hoc-Arbeitsgruppe Innenraumrichtwerte der Innenraumlufthygiene-Kommission des Umweltbundesamtes und der Obersten Landesgesundheitsbehörden . [Health evaluation of carbon dioxide in indoor air]. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz.2008;51(11):1358-1369. doi:10.1007/s00103-008-0707-2 - DOI - PubMed

[9] Walach H, Weikl R, Traindl H, et al. . Is carbon dioxide content under nose-mouth covering in children without potential risks? a measurement study in healthy children. Published April 14, 2021. Accessed June 15, 2021. https://osf.io/yh97a/?view_only=df003592db5c4bd1ab183dad8a71834f

[10] Walach H, Weikl R, Traindl H, et al. . Is carbon dioxide content under nose-mouth covering in children without potential risks? a measurement study in healthy children. Published April 14, 2021. Accessed June 15, 2021. https://osf.io/yh97a/?view_only=df003592db5c4bd1ab183dad8a71834f

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Retracted article

Experimental Assessment of Carbon Dioxide Content in Inhaled Air With or Without Face Masks in Healthy Children: A Randomized Clinical Trial

Affiliations

Experimental Assessment of Carbon Dioxide Content in Inhaled Air With or Without Face Masks in Healthy Children: A Randomized Clinical Trial

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