EvidenzUpdate
Masken tragen – "Für die Wirksamkeit des Fallschirms braucht es erstmal keine Studie"
15 Apr 2020
Für den schrittweisen Ausstieg aus dem Lockdown fordern Wissenschaftler und Politiker unter anderem das Tragen von Masken in der Öffentlichkeit, zumindest in speziellen Situationen, etwa in Bussen und Bahnen. Wie wirksam aber wäre der Schutz vor SARS-CoV-2, würden alle Bürger Masken tragen? Ließe sich die Pandemie damit bezwingen? Oder wiegen wir uns mit ihnen vielleicht nur in trügerischer Sicherheit? Die Forschung hat sich des Themas schon vor Jahren angenommen und ist auch jetzt angesichts der Coronavirus-Pandemie aktiv. Gesucht wird nach dem Beweis, welche Masken was nützen. In dieser Episode vom "CoronaUpdate" sichten wir die jüngste Literatur. Quellen: 1. Lydia Bourouiba. A Sneeze. N Engl J Med 2016; 375:e15. doi: https://doi.org/10.1056/NEJMicm1501197. 2. Greenhalgh Trisha, Schmid Manuel B, Czypionka Thomas, Bassler Dirk, Gruer Laurence. Face masks for the public during the covid-19 crisis BMJ 2020; 369 :m1435. doi: https://doi.org/10.1136/bmj.m1435 3. Marasinghe KM. A systematic review investigating the effectiveness of face mask use in limiting the spread of COVID-19 among medically not diagnosed individuals: shedding light on current recommendations provided to individuals not medically diagnosed with covid-19. Version 2. Research Square 2020.[Preprint.] doi: https://doi.org/10.21203/rs.3.rs-16701/v2 4. Long Y, Hu T, Liu L, et al. Effectiveness of N95 respirators versus surgical masks against influenza: A systematic review and meta-analysis. J Evid Based Med2020. doi: https://doi.org/10.1111/jebm.12381 pmid:32167245 5. MacIntyre CR, Cauchemez S, Dwyer DE, et al. Face mask use and control of respiratory virus transmission in households. Emerg Infect Dis2009;15:233-41. doi: https://doi.org/10.3201/eid1502.081166 pmid:19193267 6. Jefferson T, Del Mar CB, Dooley L, et al. Physical interventions to interrupt or reduce the spread of respiratory viruses. Cochrane Database Syst Rev2011;7:CD006207. doi: https://doi.org/10.1002/14651858.CD006207.pub4 pmid:21735402 7. Cowling BJ, Zhou Y, Ip DK, Leung GM, Aiello AE. Face masks to prevent transmission of influenza virus: a systematic review. Epidemiol Infect2010;138:449-56. doi: https://doi.org/10.1017/S0950268809991658 pmid:20092668 8. Aledort JE, Lurie N, Wasserman J, Bozzette SA. Non-pharmaceutical public health interventions for pandemic influenza: an evaluation of the evidence base. BMC Public Health2007;7:208. doi: https://doi.org/10.1186/1471-2458-7-208 pmid:17697389 9. Xiao J, Shiu EYC, Gao H, et al. Nonpharmaceutical measures for pandemic influenza in nonhealthcare settings-personal protective and environmental measures. Emerg Infect Dis2020;26. doi: https://doi.org/10.3201/eid2605.190994 pmid:32027586 10. Brainard JS, Jones N, Lake I, et al. Facemasks and similar barriers to prevent respiratory illness such as COVID-19: A rapid systematic review. MedRxiv 2020.04.01.20049528 [Preprint.] 2020 doi: https://doi.org/10.1101/2020.04.01.20049528 11. Cowling BJ, Ali ST, Ng TW, et al. Impact assessment of non-pharmaceutical interventions against COVID-19 and influenza in Hong Kong: an observational study. medRxiv 2020.03.12.20034660. [Preprint.] doi: https://doi.org/10.1101/2020.03.12.20034660 12. Bae S, Kim M, Kim JY, et al. Effectiveness of Surgical and Cotton Masks in Blocking SARS–CoV-2: A Controlled Comparison in 4 Patients. Ann Intern Med. 2020; [Epub ahead of print 6 April 2020]. doi: https://doi.org/10.7326/M20-1342
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3ª PARTE | 17 DIC 2025 | EL PARTIDAZO DE COPE
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