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Clinical features of COVID-19 among patients with end-stage renal disease on hemodialysis in the context of high vaccination coverage during the omicron surge period: a retrospective cohort study
- Title
- Clinical features of COVID-19 among patients with end-stage renal disease on hemodialysis in the context of high vaccination coverage during the omicron surge period: a retrospective cohort study
- Authors
- Beck; Nam-Seon; Song; Soomin; Park; Taesung; Hong; So-Hyeon; Jeong-Eun; Jang; Kim; Kyoung-Hwan; Im; Joung-Il; Sae-Yong
- Ewha Authors
- 홍소현
- SCOPUS Author ID
- 홍소현
- Issue Date
- 2023
- Journal Title
- BMC Nephrology
- ISSN
- 1471-2369
- Citation
- BMC Nephrology vol. 24, no. 1
- Keywords
- COVID-19; COVID-19 vaccination; End-stage renal disease; Hemodialysis; Omicron variant
- Publisher
- BioMed Central Ltd
- Indexed
- SCIE; SCOPUS
- Document Type
- Article
- Abstract
- Background: We determined the clinical presentation and outcomes of the Omicron variant of severe acute respiratory syndrome coronavirus 2 infection in hemodialysis patients and identified the risk factors for severe coronavirus disease (COVID-19) and mortality in the context of high vaccination coverage. Methods: This was a retrospective cohort study involving hemodialysis patients who were vaccinated against COVID-19 during March–September 2022, when the Omicron variant was predominant, and the COVID-19 vaccination rate was high. The proportion of people with severe COVID-19 or mortality was evaluated using univariate logistic regression. Results: Eighty-three (78.3%) patients had asymptomatic/mild symptoms, 10 (9.4%) had moderate symptoms, and 13 (12.3%) had severe symptoms. Six (5.7%) patients required intensive care admission, two (1.9%) required mechanical ventilation, and one (0.9%) was kept on high-flow nasal cannula. Of the five (4.7%) mortality cases, one was directly attributed to COVID-19 and four to pre-existing comorbidities. Risk factors for both severe COVID-19 and mortality were advanced age; number of comorbidities; cardiovascular diseases; increased levels of aspartate transaminase, lactate dehydrogenase, blood urea nitrogen/creatinine ratio, brain natriuretic peptide, and red cell distribution; and decreased levels of hematocrit and albumin. Moreover, the number of COVID-19 vaccinations wasa protective factor against both severe disease and mortality. Conclusions: Clinical features of hemodialysis patients during the Omicron surge with high COVID-19 vaccination coverage were significant for low mortality. The risk features for severe COVID-19 or mortality were similar to those in the pre-Omicron period in the context of low vaccination coverage. © 2023, The Author(s).
- DOI
- 10.1186/s12882-023-03219-w
- Appears in Collections:
- 의료원 > 의료원 > Journal papers
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