Article ; Online: Chronic rhinosinusitis is associated with prolonged SARS-CoV-2 RNA shedding in upper respiratory tract samples: A case-control study.
2021 Volume 289, Issue 6, Page(s) 921–925
Abstract: Background: SARS-CoV-2, the COVID-19 causative agent, has infected millions of people and killed over 1.6 million worldwide. A small percentage of cases persist with prolonged positive RT-PCR on nasopharyngeal swabs. The aim of this study was to ... ...
| Abstract | Background: SARS-CoV-2, the COVID-19 causative agent, has infected millions of people and killed over 1.6 million worldwide. A small percentage of cases persist with prolonged positive RT-PCR on nasopharyngeal swabs. The aim of this study was to determine risk factors for prolonged viral shedding amongst patient's basal clinical conditions. Methods: We have evaluated all 513 patients attended in our hospital between 1 March and 1 July. We have selected all 18 patients with prolonged viral shedding and compared them with 36 sex-matched randomly selected controls. Demographic, treatment and clinical data were systematically collected. Results: Global median duration of viral clearance was 25.5 days (n = 54; IQR, 22-39.3 days), 48.5 days in cases (IQR 38.7-54.9 days) and 23 days in controls (IQR 20.2-25.7), respectively. There were not observed differences in demographic, symptoms or treatment data between groups. Chronic rhinosinusitis and atopy were more common in patients with prolonged viral shedding (67%) compared with controls (11% and 25% respectively) (P < 0.001 and P = 0.003). The use of inhaled corticosteroids was also more frequent in case group (P = 0.007). Multivariate analysis indicated that CRS (odds ratio [OR], 18.78; 95% confidence interval [95%CI], 3.89-90.59; P < 0.001) was independently associated with prolonged SARS-CoV-2 RNA shedding in URT samples, after adjusting for initial PCR Ct values. Conclusion: We found that chronic rhinosinusitis and atopy might be associated with increased risk of prolonged viral shedding. If confirmed in prospective trials, this finding might have clinical implications for quarantine duration due to increased risk of pandemic spread. |
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| MeSH term(s) | Aged ; COVID-19/complications ; COVID-19/virology ; Case-Control Studies ; Female ; Humans ; Male ; Middle Aged ; Nasopharynx/virology ; Rhinitis/complications ; Rhinitis/virology ; SARS-CoV-2/physiology ; Sinusitis/complications ; Sinusitis/virology ; Virus Shedding | |||||
| Language | English | |||||
| Publishing date | 2021-02-09 | |||||
| Publishing country | England | |||||
| Document type | Journal Article | |||||
| ZDB-ID | 96274-0 | |||||
| ISSN | 1365-2796 ; 0954-6820 | |||||
| ISSN (online) | 1365-2796 | |||||
| ISSN | 0954-6820 | |||||
| DOI | 10.1111/joim.13237 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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