Long-term outcomes in COVID-19 patients admitted to intensive care in Denmark: A nationwide observational study
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Long-term outcomes in COVID-19 patients admitted to intensive care in Denmark : A nationwide observational study. / Meier, Nick; Perner, Anders; Plovsing, Ronni; Christensen, Steffen; Poulsen, Lone M.; Brøchner, Anne C.; Rasmussen, Bodil S.; Helleberg, Marie; Jensen, Jens U. S.; Andersen, Lars P. K.; Siegel, Hanna; Ibsen, Michael; Jørgensen, Vibeke L.; Winding, Robert; Iversen, Susanne; Pedersen, Henrik P.; Sølling, Christoffer; Garcia, Ricardo S.; Michelsen, Jens; Mohr, Thomas; Michagin, George; Espelund, Ulrick S.; Bundgaard, Helle; Kirkegaard, Lynge; Smitt, Margit; Sigurdsson, Sigurdur; Buck, David L.; Ribergaard, Niels‐Erik; Pedersen, Helle S.; Toft, Mette Helene; Jonassen, Trine B.; Mølgaard Nielsen, Frederik; Madsen, Emilie K.; Haberlandt, Trine N.; Bredahl, Louise Sophie; Haase, Nicolai.
I: Acta Anaesthesiologica Scandinavica, Bind 67, Nr. 9, 2023, s. 1239-1248.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Long-term outcomes in COVID-19 patients admitted to intensive care in Denmark
T2 - A nationwide observational study
AU - Meier, Nick
AU - Perner, Anders
AU - Plovsing, Ronni
AU - Christensen, Steffen
AU - Poulsen, Lone M.
AU - Brøchner, Anne C.
AU - Rasmussen, Bodil S.
AU - Helleberg, Marie
AU - Jensen, Jens U. S.
AU - Andersen, Lars P. K.
AU - Siegel, Hanna
AU - Ibsen, Michael
AU - Jørgensen, Vibeke L.
AU - Winding, Robert
AU - Iversen, Susanne
AU - Pedersen, Henrik P.
AU - Sølling, Christoffer
AU - Garcia, Ricardo S.
AU - Michelsen, Jens
AU - Mohr, Thomas
AU - Michagin, George
AU - Espelund, Ulrick S.
AU - Bundgaard, Helle
AU - Kirkegaard, Lynge
AU - Smitt, Margit
AU - Sigurdsson, Sigurdur
AU - Buck, David L.
AU - Ribergaard, Niels‐Erik
AU - Pedersen, Helle S.
AU - Toft, Mette Helene
AU - Jonassen, Trine B.
AU - Mølgaard Nielsen, Frederik
AU - Madsen, Emilie K.
AU - Haberlandt, Trine N.
AU - Bredahl, Louise Sophie
AU - Haase, Nicolai
N1 - Funding Information: This study was funded by Statens Serum Institut (SST) and Regionernes Kliniske Kvalitetsudviklingsprogram (RKKP). Publisher Copyright: © 2023 The Authors. Acta Anaesthesiologica Scandinavica published by John Wiley & Sons Ltd on behalf of Acta Anaesthesiologica Scandinavica Foundation.
PY - 2023
Y1 - 2023
N2 - Background: Among ICU patients with COVID-19, it is largely unknown how the overall outcome and resource use have changed with time, different genetic variants, and vaccination status. Methods: For all Danish ICU patients with COVID-19 from March 10, 2020 to March 31, 2022, we manually retrieved data on demographics, comorbidities, vaccination status, use of life support, length of stay, and vital status from medical records. We compared patients based on the period of admittance and vaccination status and described changes in epidemiology related to the Omicron variant. Results: Among all 2167 ICU patients with COVID-19, 327 were admitted during the first (March 10–19, 2020), 1053 during the second (May 20, 2020 to June 30, 2021) and 787 during the third wave (July 1, 2021 to March 31, 2022). We observed changes over the three waves in age (median 72 vs. 68 vs. 65 years), use of invasive mechanical ventilation (81% vs. 58% vs. 51%), renal replacement therapy (26% vs. 13% vs. 12%), extracorporeal membrane oxygenation (7% vs. 3% vs. 2%), duration of invasive mechanical ventilation (median 13 vs. 13 vs. 9 days) and ICU length of stay (median 13 vs. 10 vs. 7 days). Despite these changes, 90-day mortality remained constant (36% vs. 35% vs. 33%). Vaccination rates among ICU patients were 42% as compared to 80% in society. Unvaccinated versus vaccinated patients were younger (median 57 vs. 73 years), had less comorbidity (50% vs. 78%), and had lower 90-day mortality (29% vs. 51%). Patient characteristics changed significantly after the Omicron variant became dominant including a decrease in the use of COVID-specific pharmacological agents from 95% to 69%. Conclusions: In Danish ICUs, the use of life support declined, while mortality seemed unchanged throughout the three waves of COVID-19. Vaccination rates were lower among ICU patients than in society, but the selected group of vaccinated patients admitted to the ICU still had very severe disease courses. When the Omicron variant became dominant a lower fraction of SARS-CoV-2 positive patients received COVID treatment indicating other causes for ICU admission.
AB - Background: Among ICU patients with COVID-19, it is largely unknown how the overall outcome and resource use have changed with time, different genetic variants, and vaccination status. Methods: For all Danish ICU patients with COVID-19 from March 10, 2020 to March 31, 2022, we manually retrieved data on demographics, comorbidities, vaccination status, use of life support, length of stay, and vital status from medical records. We compared patients based on the period of admittance and vaccination status and described changes in epidemiology related to the Omicron variant. Results: Among all 2167 ICU patients with COVID-19, 327 were admitted during the first (March 10–19, 2020), 1053 during the second (May 20, 2020 to June 30, 2021) and 787 during the third wave (July 1, 2021 to March 31, 2022). We observed changes over the three waves in age (median 72 vs. 68 vs. 65 years), use of invasive mechanical ventilation (81% vs. 58% vs. 51%), renal replacement therapy (26% vs. 13% vs. 12%), extracorporeal membrane oxygenation (7% vs. 3% vs. 2%), duration of invasive mechanical ventilation (median 13 vs. 13 vs. 9 days) and ICU length of stay (median 13 vs. 10 vs. 7 days). Despite these changes, 90-day mortality remained constant (36% vs. 35% vs. 33%). Vaccination rates among ICU patients were 42% as compared to 80% in society. Unvaccinated versus vaccinated patients were younger (median 57 vs. 73 years), had less comorbidity (50% vs. 78%), and had lower 90-day mortality (29% vs. 51%). Patient characteristics changed significantly after the Omicron variant became dominant including a decrease in the use of COVID-specific pharmacological agents from 95% to 69%. Conclusions: In Danish ICUs, the use of life support declined, while mortality seemed unchanged throughout the three waves of COVID-19. Vaccination rates were lower among ICU patients than in society, but the selected group of vaccinated patients admitted to the ICU still had very severe disease courses. When the Omicron variant became dominant a lower fraction of SARS-CoV-2 positive patients received COVID treatment indicating other causes for ICU admission.
KW - COVID-19
KW - COVID-19 vaccination
KW - COVID-19 variants
KW - intensive care unit
U2 - 10.1111/aas.14290
DO - 10.1111/aas.14290
M3 - Journal article
C2 - 37288935
AN - SCOPUS:85161547094
VL - 67
SP - 1239
EP - 1248
JO - Acta Anaesthesiologica Scandinavica
JF - Acta Anaesthesiologica Scandinavica
SN - 0001-5172
IS - 9
ER -
ID: 362893103