Impact of covid-19 on long-term oxygen therapy 2020 : A nationwide study in Sweden
Introduction Covid-19 can cause chronic hypoxic respiratory failure, but the impact on the need for long-term oxygen therapy (LTOT) is unknown. The aim was to investigate change in incidence and characteristics of patients starting LTOT in Sweden 2020 after the outbreak of the pandemic. Material and methods Population-based observational study using data from the National Registry for Respiratory