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. 2020 May 15;76(2):227–229. doi: 10.1016/j.jacc.2020.05.022

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© 2020 by the American College of Cardiology Foundation. Published by Elsevier.

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Trend of Type A Repair Volume

(A) Variation in monthly volumes of surgically treated acute type A aortic dissections (AAD) (red line, left vertical axis) and coronavirus disease-2019 (COVID-19) cases (blue bar, right vertical axis) in New York City from January 1, 2018 to April 15, 2020. (B) Decrease in average monthly volumes before and after COVID-19 (p < 0.05).