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18.03.2021 | COVID-19 | Original Article Zur Zeit gratis

Retrospective study on the effectiveness of a prevention strategy in a dental hospital during the COVID-19 pandemic

verfasst von: Ling Zhang, Yuedan Xu, Xinyang Jin, Zhiwei Shi, Mengting Wu, Ning Xu, Xuefen Yu, Shuli Deng, Kai Zhang, Liefen Zhang, Matthias Hannig, Qianming Chen, Baiping Fu

Erschienen in: Clinical Oral Investigations | Ausgabe 10/2021

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Abstract

Objectives

To evaluate the effectiveness of a prevention strategy against the spread of SARS-CoV-2 infection among dental hospital staff over a 3-month period.

Materials and methods

The effectiveness of the prevention strategy, which adopted healthcare staff protective measures, including patient triage and correct usage of personal preventive equipment, was evaluated by SARS-CoV-2 detection and serological testing. Patients who visited the Affiliated Stomatology Hospital, Zhejiang University School of Medicine, Hangzhou, China, between January 31 and March 1 (lockdown period) and March 2 and April 27 (reopening period) in 2020 and in the same period in 2019 were included in the study. Patients’ diagnosis, age, gender, and several undergoing aerosol-generating procedures during the study period were collected from the hospital’s database. Corresponding data were compared year-on-year (2020-on-2019). A total of 757 hospital staff underwent SARS-CoV-2 detection and serological testing on April 28–29, 2020.

Results

During the lockdown and reopening period in 2020, the number of hospital visits was dramatically decreased to about 6% and 58%, respectively, compared with the same period in 2019. However, emergency visits were increased 16- and 6.4-fold. A total of at least 6654 patients (13.58%) underwent aerosol-generating procedures during the study period in the year 2020. All hospital staff were negative according to SARS-CoV-2 detection and serological testing (IgG, IgM) data.

Conclusion

During the study period in 2020, the total number of hospital visits dramatically reduced but emergency visits significantly increased. The prevention strategy implemented successfully prevented SARS-CoV-2 infection spread among healthcare workers in a dental hospital.

Clinical relevance

The prevention strategy indicated patient triage and how to adopt preventive measures for controlling SARS-CoV-2 spread among healthcare workers. These data can be used as a reference for other sectors suffering from the COVID-19 pandemic.

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Titel: Retrospective study on the effectiveness of a prevention strategy in a dental hospital during the COVID-19 pandemic
verfasst von: Ling Zhang
Yuedan Xu
Xinyang Jin
Zhiwei Shi
Mengting Wu
Ning Xu
Xuefen Yu
Shuli Deng
Kai Zhang
Liefen Zhang
Matthias Hannig
Qianming Chen
Baiping Fu
Publikationsdatum: 18.03.2021
Verlag: Springer Berlin Heidelberg
Schlagwort: COVID-19
Erschienen in: Clinical Oral Investigations / Ausgabe 10/2021
Print ISSN: 1432-6981
Elektronische ISSN: 1436-3771
DOI: https://doi.org/10.1007/s00784-021-03886-9

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Retrospective study on the effectiveness of a prevention strategy in a dental hospital during the COVID-19 pandemic