Temporal Dynamics of Nasopharyngeal and Tracheal Severe Acute Respiratory Syndrome Coronavirus 2 Cycle Thresholds in Coronavirus Disease 2019 Patients With Tracheostomy.

Sallie M Long,Alexander Chern,Victoria Cooley,Sei Chung,Noah Z Feit,Arryn Craney,Matthew S Simon,Andrew B Tassler

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America（2022）

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摘要

In this study of 45 patients with COVID-19 undergoing tracheostomy, nasopharyngeal and tracheal cycle threshold (Ct) values were analyzed. Ct values rose to 37.9 by the time of tracheostomy and remained >35 postoperatively, demonstrating that persistent test positivity may not be associated with persistent transmissible virus in this population.

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COVID,PCR,SARS-CoV-2,cycle thresholds,tracheostomy

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