ArticleInfection and drug resistance2023
Benefit of Nasal Douche in COVID-19 Patients with Recurrence of Positive SARS-CoV-2 Viral RNA.
Article in Infection and drug resistance, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed, 1 synthesis or guideline pooled it, 2 citations in OpenAlex.
- Saline nasal irrigation and gargling in COVID-19: Part II. Outcomes in Omicron and risk-benefit for self-care.Frontiers in public health · 2025Pooled it
- Inter-societal Delphi Consensus on the topical nasal treatments in Italy.Multidisciplinary respiratory medicine · 2024Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
18 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Purpose: The purpose was to review relevant clinical data and formulate recommendations supporting the use of saline as a simple rinse for an early reassuring intervention to reduce the occurrence of re-positive COVID-19 patients. Methods: We conducted a single-centre retrospective cohort study, which enrolled patients with confirmed re-testing positive COVID-19 during 7-60 days after discharge from Third People's Hospital of Shenzhen. By one-to-two propensity score matching for age and sex, the control group of those not re-testing positive during the same period served as matched control. Results: A total of 223 patients were included in our study, 94 in re-positive group and 129 in non-re-positive group. The result shows that the rates of nasal douche treatment in the non-re-positive group were considerably higher than that of the re-positive group. And the Ct value of nasal douche group increased faster than that of non-nasal douche group after the Ct value reaching ≥35. Further analysis revealed that the higher the Ct value at the time of readmission, the shorter the time of average Ct values to reach ≥35. Conclusion: These findings suggest that nasal douche is beneficial to shorten the time of virus nucleic acid turning negative, thereby reducing the incidence of re-positive. The prevention and control of epidemics focuses on re-positive patients with Ct values <35.
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Registered trials
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