Dear Editor, Since the first case of COVID-19 was reported in Wuhan, this new respiratory
disease has evolved rapidly and been found in almost all the countries in the world. From …

Dear Editor, A large number of coronavirus disease 2019 (COVID-19) studies have emerged
recently, and most of them investigated the clinical features, epidemiological treatment, and …

Dear Editor, About a third of patients infected with severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) become critically ill and require intensive care unit (ICU) …

To the Editor, In early February 2020, Yang et al.[1] reported an alarming high mortality rate
in patients with COVID-19-associated acute respiratory failure requiring mechanical …

Background There are large uncertainties with regard to the outcome of patients with
coronavirus disease 2019 (COVID-19) and mechanical ventilation (MV). High mortality (50 …

Background The role of non-invasive ventilation (NIV) in severe COVID-19 remains a matter
of debate. Therefore, the utilization and outcome of NIV in COVID-19 in an unbiased cohort …

Background Uncertainty about the optimal respiratory support strategies in critically ill
COVID-19 patients is widespread. While the risks and benefits of noninvasive techniques …

Background The COVID-19 pandemic is responsible for many hospitalizations in intensive
care units (ICU), with widespread use of invasive mechanical ventilation (IMV) which …

Question We evaluated whether the time between first respiratory support and intubation of
patients receiving invasive mechanical ventilation (IMV) due to COVID-19 was associated …

Many studies have been performed on the clinical features of COVID-19 patients [1–3].
There are no reports covering the pulmonary ventilation function of COVID-19 patients …