Objectives: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is highly contagious; gastrointestinal endoscopies are considered risky procedures for the endoscopy staff. Data on the SARS-CoV-2-exposure/infection rate of gastrointestinal endoscopy staff is scarce. This study aimed to assess the SARS-CoV-2-exposure/infection rate among gastrointestinal endoscopists/nurses performing gastrointestinal endoscopies before and after the adoption of specific prevention measures.
Patients and methods: Cross-sectional study in a teaching hospital (Rome, Central Italy) on retrospective data (9 March-15 April 2020) of consecutive gastrointestinal endoscopies, characteristics of procedures, patients and endoscopy staff, SARS-CoV-2-exposure/positivity of patients and staff before and after adoption of prevention measures. Exposed staff tested for SARS-CoV-2 by nasopharyngeal swabs(RNA-PCR) and serology.
Results: A total of 130 gastrointestinal endoscopies were performed in 130 patients (age 66 ± 14 years, 51% women, 51% inpatients, 56.9% lower). A total of 12 (9.2%) patients were SARS-CoV-2-positive and 14(10.8%) had a high risk of potential infection. Of the endoscopy staff (n = 16, 5 endoscopists, 8 nurses and 3 residents), 14 (87.5%) were exposed to SARS-CoV-2-infected and 16 (100%) to potentially infected patients. 3/5 and 5/5 endoscopists were exposed to actual and potential, 1/3 and 3/3 residents to actual and potential and 8/8 nurses to actual and potential infection, respectively. None of the staff was found to be infected with SARS-CoV-2. None experienced fever or any other suspicious symptoms of coronavirus disease 2019. Before the adoption of prevention measures, more endoscopists/nurses were in the endoscopy room than after (3.5 ± 0.6 vs. 2.1 ± 0.3, P < 0.0001).
Conclusions: Despite supposed high infection risk, gastrointestinal endoscopies may be safe for the endoscopy staff during the SARS-CoV-2 pandemic.
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