SARS-CoV-2 infection among patients with haematological disorders: Severity and one-month outcome in 66 Danish patients in a nationwide cohort study

Andreas Glenthøj, Lasse H. Jakobsen, Henrik Sengeløv, Syed A. Ahmad, Kristian Qvist, Annika Rewes, Christian B. Poulsen, Ulrik M. Overgaard, Ingolf Mølle, Marianne T. Severinsen, Casper N. Strandholdt, Jack Maibom, Annette R. Kodahl, Jesper Ryg, Pernille Ravn, Isik S. Johansen, Søren N. Helsø, Søren Jensen-Fangel, Jacek Kisielewicz, Lothar WieseMarie Helleberg, Ole Kirk, Michael R. Clausen, Henrik Frederiksen*

*Kontaktforfatter

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Abstract

Objectives: Patients with haematological disorders may be particularly vulnerable to respiratory syndrome coronavirus 2 (SARS-CoV-2) infection; however, this is unknown. Methods: We conducted a prospective, nationwide study including 66 patients in follow-up at Danish haematology departments with a malignant or non-malignant haematological disorder and with verified SARS-CoV-2 infection. Outcomes were intensive care unit (ICU) admission and one-month survival rate. Results: Mean age was 66.7 years, 60.6% were males, 90.9% had comorbidity, and 13.6% had a BMI ≥ 30. The most frequent diagnoses were chronic lymphocytic leukaemia/lymphoma (47.0%), multiple myeloma (16.7%) and acute leukaemia/myelodysplastic syndrome (AL/MDS) (12.1%). Treatment for the haematological disease was ongoing in 59.1% of cases. Neutropenia was present in 6.5%, lymphopenia in 46.6% and hypogammaglobulinaemia in 26.3%. The SARS-CoV-2 infection was mild in 50.0%, severe in 36.4% and critical in 13.6%. After one month, 21.2% had been admitted to ICU, and 24.2% died. Mortality was highest in older patients, patients with severe/critical SARS-CoV-2 infection, high comorbidity score or high performance status score, purine analogue treatment and with AL/MDS. Although older patients and patients with comorbidities had the highest mortality rates, mortality was considerable among all haematological patients. Conclusion: Haematological patients with SARS-CoV-2 infection has a severe clinical course.

OriginalsprogEngelsk
TidsskriftEuropean journal of haematology
Vol/bind106
Udgave nummer1
Sider (fra-til)72-81
ISSN0902-4441
DOI
StatusUdgivet - jan. 2021

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