Publications by authors named "Cristina Kirkegaard"

2 Publications

  • Page 1 of 1

Incidence and risk factors for early readmission after hospitalization for SARS-CoV-2 infection: results from a retrospective cohort study.

Infection 2021 Jul 30. Epub 2021 Jul 30.

Infectious Diseases Department, University Hospital Vall d'Hebron, Universitat Autónoma de Barcelona, Barcelona, Spain.

Purpose: We aim to assess risk factors related to early readmission in previous hospitalized patients with COVID-19.

Methods: We analyzed a retrospective cohort of patients with laboratory-confirmed COVID-19 admitted to Vall d'Hebron University Hospital, Barcelona, Spain. Early readmission was defined as the need for hospitalization within a period of 60 days after discharge. A descriptive analysis of the readmission was performed, including hospitalization outcome. We also performed a multivariate logistic regression to define risk factors for readmission RESULTS: A total of 629 patients were followed up during 60 days with a readmission cumulative incidence of 5.4% (34 out of 629) and an incidence rate of 0.034 person-years. Main reasons for readmission were respiratory worsening (13, 38.2%), decompensation of previous disease (12, 35.3%) or infectious complications (6, 17.6%). Median time to readmission was 12 days (interquartile range 7-33 days). Prior diagnosis of heart failure (OR 4.09; 95% CI 1.35-12.46; p = 0.013), length of stay during index admission greater than 13 days (OR 2.72; 95% CI 1.21-6.12; p = 0.015), treatment with corticosteroids (OR 2.39; 95% CI 1.01-5.70; p = 0.049) and developing pulmonary thromboembolism (OR 11.59; 95% CI 2.89-46.48; p = 0.001) were the risk factors statistically associated with early readmission.

Conclusion: Readmission cumulative incidence was 5.4%. Those patients with prior diagnosis of heart failure, length of stay greater than 13 days, treated with corticosteroids or who developed pulmonary thromboembolism might benefit from close monitoring after being discharged.
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http://dx.doi.org/10.1007/s15010-021-01662-1DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8323963PMC
July 2021

Peripheral and lung resident memory T cell responses against SARS-CoV-2.

Nat Commun 2021 05 21;12(1):3010. Epub 2021 May 21.

Infectious Diseases Department, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain.

Resident memory T cells (T) positioned within the respiratory tract are probably required to limit SARS-CoV-2 spread and COVID-19. Importantly, T are mostly non-recirculating, which reduces the window of opportunity to examine these cells in the blood as they move to the lung parenchyma. Here, we identify circulating virus-specific T cell responses during acute infection with functional, migratory and apoptotic patterns modulated by viral proteins and associated with clinical outcome. Disease severity is associated predominantly with IFNγ and IL-4 responses, increased responses against S peptides and apoptosis, whereas non-hospitalized patients have increased IL-12p70 levels, degranulation in response to N peptides and SARS-CoV-2-specific CCR7 T cells secreting IL-10. In convalescent patients, lung-T are frequently detected even 10 months after initial infection, in which contemporaneous blood does not reflect tissue-resident profiles. Our study highlights a balanced anti-inflammatory antiviral response associated with a better outcome and persisting T cells as important for future protection against SARS-CoV-2 infection.
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http://dx.doi.org/10.1038/s41467-021-23333-3DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8140108PMC
May 2021
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