Academic Journal
Contamination of CT scanner surfaces with SARS-CoV-2 and infective potential after examination of invasively ventilated, non-invasively ventilated and non-ventilated patients with positive throat swabs: prospective investigation using real-time reverse-transcription PCR and viral cell culture
| العنوان: | Contamination of CT scanner surfaces with SARS-CoV-2 and infective potential after examination of invasively ventilated, non-invasively ventilated and non-ventilated patients with positive throat swabs: prospective investigation using real-time reverse-transcription PCR and viral cell culture |
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| المؤلفون: | Göhler, Friedemann, Corman, Victor M., Bleicker, Tobias, Stroux, Andrea, Dewey, Marc, Diekhoff, Torsten |
| سنة النشر: | 2022 |
| المجموعة: | FU Berlin: Refubium |
| مصطلحات موضوعية: | SARS-CoV-2, COVID-19, Disease transmission (Infectious), Cross infection, ddc:610 |
| الوصف: | Background: During the current severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2) pandemic, computed tomography (CT) has become widely used in patients with suspected or known coronavirus disease 2019 (COVID-19). This prospective observational study in 28 invasively ventilated and 18 non-invasively ventilated patients with confirmed SARS-CoV-2 contamination aims at investigating SARS-CoV-2 contamination of CT scanner surfaces and its infectiousness. Methods: Swab sampling of the CT table and gantry before and after CT examinations was performed. Additionally, the CT ventilation system air grid was wiped off after each examination. Real-time reverse-transcription polymerase chain reaction (RT-PCR) for SARS-CoV-2 RNA (ribonucleic acid) and viral cell culture were performed in the virology core lab. Results: After examination of non-invasively ventilated or non-ventilated patients, SARS-CoV-2 RNA was found in 11.1% (4/36) on patient near surfaces (CT table and gantry) and in 16.7% (3/18) on the CT air grid respectively after examination of invasively ventilated patients in 5.4% (3/56) on CT table and gantry and 7.1% (2/28) on the CT air grid. Surface contamination was more common in non-invasively ventilated or non-ventilated patients with a high viral load who were actively coughing. RT-PCR cycle threshold (Ct) was high (35.96-39.31) in all positive samples and no positive viral cell culture was found. Conclusion: Our study suggests that CT scanner surface contamination with SARS-CoV-2 is considerable and more common after examination of non-invasively ventilated or non-ventilated patients compared to invasively ventilated patients. However, no viral cell culture positivity was found, hence the infectious potential seems low. |
| نوع الوثيقة: | article in journal/newspaper |
| وصف الملف: | application/pdf |
| اللغة: | English |
| Relation: | https://refubium.fu-berlin.de/handle/fub188/41866; http://dx.doi.org/10.17169/refubium-41587 |
| DOI: | 10.17169/refubium-41587 |
| DOI: | 10.1186/s13244-022-01202-x |
| الاتاحة: | https://refubium.fu-berlin.de/handle/fub188/41866 https://doi.org/10.17169/refubium-41587 https://doi.org/10.1186/s13244-022-01202-x |
| Rights: | https://creativecommons.org/licenses/by/4.0/ |
| رقم الانضمام: | edsbas.85373B4A |
| قاعدة البيانات: | BASE |
| DOI: | 10.17169/refubium-41587 |
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